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894 lines
20 KiB
894 lines
20 KiB
// SPDX-License-Identifier: GPL-2.0+ |
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/* |
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* (C) Copyright 2017 Rockchip Electronics Co., Ltd. |
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*/ |
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#include <common.h> |
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#include <dm.h> |
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#include <errno.h> |
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#include <syscon.h> |
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#include <asm/io.h> |
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#include <asm/arch/clock.h> |
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#include <asm/arch/grf_rk322x.h> |
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#include <asm/arch/hardware.h> |
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#include <asm/arch/periph.h> |
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#include <dm/pinctrl.h> |
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DECLARE_GLOBAL_DATA_PTR; |
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/* GRF_GPIO0A_IOMUX */ |
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enum { |
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GPIO0A7_SHIFT = 14, |
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GPIO0A7_MASK = 3 << GPIO0A7_SHIFT, |
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GPIO0A7_GPIO = 0, |
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GPIO0A7_I2C3_SDA, |
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GPIO0A7_HDMI_DDCSDA, |
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GPIO0A6_SHIFT = 12, |
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GPIO0A6_MASK = 3 << GPIO0A6_SHIFT, |
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GPIO0A6_GPIO = 0, |
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GPIO0A6_I2C3_SCL, |
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GPIO0A6_HDMI_DDCSCL, |
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GPIO0A3_SHIFT = 6, |
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GPIO0A3_MASK = 3 << GPIO0A3_SHIFT, |
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GPIO0A3_GPIO = 0, |
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GPIO0A3_I2C1_SDA, |
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GPIO0A3_SDIO_CMD, |
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GPIO0A2_SHIFT = 4, |
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GPIO0A2_MASK = 3 << GPIO0A2_SHIFT, |
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GPIO0A2_GPIO = 0, |
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GPIO0A2_I2C1_SCL, |
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GPIO0A1_SHIFT = 2, |
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GPIO0A1_MASK = 3 << GPIO0A1_SHIFT, |
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GPIO0A1_GPIO = 0, |
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GPIO0A1_I2C0_SDA, |
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GPIO0A0_SHIFT = 0, |
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GPIO0A0_MASK = 3 << GPIO0A0_SHIFT, |
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GPIO0A0_GPIO = 0, |
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GPIO0A0_I2C0_SCL, |
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}; |
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/* GRF_GPIO0B_IOMUX */ |
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enum { |
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GPIO0B7_SHIFT = 14, |
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GPIO0B7_MASK = 3 << GPIO0B7_SHIFT, |
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GPIO0B7_GPIO = 0, |
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GPIO0B7_HDMI_HDP, |
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GPIO0B6_SHIFT = 12, |
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GPIO0B6_MASK = 3 << GPIO0B6_SHIFT, |
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GPIO0B6_GPIO = 0, |
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GPIO0B6_I2S_SDI, |
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GPIO0B6_SPI_CSN0, |
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GPIO0B5_SHIFT = 10, |
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GPIO0B5_MASK = 3 << GPIO0B5_SHIFT, |
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GPIO0B5_GPIO = 0, |
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GPIO0B5_I2S_SDO, |
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GPIO0B5_SPI_RXD, |
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GPIO0B3_SHIFT = 6, |
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GPIO0B3_MASK = 3 << GPIO0B3_SHIFT, |
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GPIO0B3_GPIO = 0, |
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GPIO0B3_I2S1_LRCKRX, |
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GPIO0B3_SPI_TXD, |
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GPIO0B1_SHIFT = 2, |
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GPIO0B1_MASK = 3 << GPIO0B1_SHIFT, |
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GPIO0B1_GPIO = 0, |
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GPIO0B1_I2S_SCLK, |
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GPIO0B1_SPI_CLK, |
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GPIO0B0_SHIFT = 0, |
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GPIO0B0_MASK = 3, |
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GPIO0B0_GPIO = 0, |
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GPIO0B0_I2S_MCLK, |
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}; |
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/* GRF_GPIO0C_IOMUX */ |
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enum { |
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GPIO0C4_SHIFT = 8, |
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GPIO0C4_MASK = 3 << GPIO0C4_SHIFT, |
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GPIO0C4_GPIO = 0, |
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GPIO0C4_HDMI_CECSDA, |
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GPIO0C1_SHIFT = 2, |
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GPIO0C1_MASK = 3 << GPIO0C1_SHIFT, |
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GPIO0C1_GPIO = 0, |
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GPIO0C1_UART0_RSTN, |
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GPIO0C1_CLK_OUT1, |
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}; |
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/* GRF_GPIO0D_IOMUX */ |
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enum { |
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GPIO0D6_SHIFT = 12, |
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GPIO0D6_MASK = 3 << GPIO0D6_SHIFT, |
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GPIO0D6_GPIO = 0, |
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GPIO0D6_SDIO_PWREN, |
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GPIO0D6_PWM11, |
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GPIO0D4_SHIFT = 8, |
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GPIO0D4_MASK = 3 << GPIO0D4_SHIFT, |
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GPIO0D4_GPIO = 0, |
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GPIO0D4_PWM2, |
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GPIO0D3_SHIFT = 6, |
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GPIO0D3_MASK = 3 << GPIO0D3_SHIFT, |
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GPIO0D3_GPIO = 0, |
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GPIO0D3_PWM1, |
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GPIO0D2_SHIFT = 4, |
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GPIO0D2_MASK = 3 << GPIO0D2_SHIFT, |
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GPIO0D2_GPIO = 0, |
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GPIO0D2_PWM0, |
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}; |
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/* GRF_GPIO1A_IOMUX */ |
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enum { |
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GPIO1A7_SHIFT = 14, |
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GPIO1A7_MASK = 1, |
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GPIO1A7_GPIO = 0, |
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GPIO1A7_SDMMC_WRPRT, |
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}; |
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/* GRF_GPIO1B_IOMUX */ |
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enum { |
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GPIO1B7_SHIFT = 14, |
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GPIO1B7_MASK = 3 << GPIO1B7_SHIFT, |
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GPIO1B7_GPIO = 0, |
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GPIO1B7_SDMMC_CMD, |
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GPIO1B6_SHIFT = 12, |
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GPIO1B6_MASK = 3 << GPIO1B6_SHIFT, |
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GPIO1B6_GPIO = 0, |
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GPIO1B6_SDMMC_PWREN, |
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GPIO1B4_SHIFT = 8, |
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GPIO1B4_MASK = 3 << GPIO1B4_SHIFT, |
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GPIO1B4_GPIO = 0, |
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GPIO1B4_SPI_CSN1, |
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GPIO1B4_PWM12, |
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GPIO1B3_SHIFT = 6, |
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GPIO1B3_MASK = 3 << GPIO1B3_SHIFT, |
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GPIO1B3_GPIO = 0, |
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GPIO1B3_UART1_RSTN, |
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GPIO1B3_PWM13, |
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GPIO1B2_SHIFT = 4, |
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GPIO1B2_MASK = 3 << GPIO1B2_SHIFT, |
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GPIO1B2_GPIO = 0, |
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GPIO1B2_UART1_SIN, |
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GPIO1B2_UART21_SIN, |
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GPIO1B1_SHIFT = 2, |
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GPIO1B1_MASK = 3 << GPIO1B1_SHIFT, |
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GPIO1B1_GPIO = 0, |
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GPIO1B1_UART1_SOUT, |
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GPIO1B1_UART21_SOUT, |
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}; |
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/* GRF_GPIO1C_IOMUX */ |
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enum { |
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GPIO1C7_SHIFT = 14, |
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GPIO1C7_MASK = 3 << GPIO1C7_SHIFT, |
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GPIO1C7_GPIO = 0, |
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GPIO1C7_NAND_CS3, |
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GPIO1C7_EMMC_RSTNOUT, |
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GPIO1C6_SHIFT = 12, |
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GPIO1C6_MASK = 3 << GPIO1C6_SHIFT, |
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GPIO1C6_GPIO = 0, |
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GPIO1C6_NAND_CS2, |
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GPIO1C6_EMMC_CMD, |
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GPIO1C5_SHIFT = 10, |
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GPIO1C5_MASK = 3 << GPIO1C5_SHIFT, |
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GPIO1C5_GPIO = 0, |
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GPIO1C5_SDMMC_D3, |
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GPIO1C5_JTAG_TMS, |
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GPIO1C4_SHIFT = 8, |
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GPIO1C4_MASK = 3 << GPIO1C4_SHIFT, |
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GPIO1C4_GPIO = 0, |
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GPIO1C4_SDMMC_D2, |
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GPIO1C4_JTAG_TCK, |
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GPIO1C3_SHIFT = 6, |
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GPIO1C3_MASK = 3 << GPIO1C3_SHIFT, |
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GPIO1C3_GPIO = 0, |
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GPIO1C3_SDMMC_D1, |
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GPIO1C3_UART2_SIN, |
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GPIO1C2_SHIFT = 4, |
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GPIO1C2_MASK = 3 << GPIO1C2_SHIFT, |
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GPIO1C2_GPIO = 0, |
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GPIO1C2_SDMMC_D0, |
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GPIO1C2_UART2_SOUT, |
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GPIO1C1_SHIFT = 2, |
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GPIO1C1_MASK = 3 << GPIO1C1_SHIFT, |
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GPIO1C1_GPIO = 0, |
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GPIO1C1_SDMMC_DETN, |
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GPIO1C0_SHIFT = 0, |
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GPIO1C0_MASK = 3 << GPIO1C0_SHIFT, |
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GPIO1C0_GPIO = 0, |
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GPIO1C0_SDMMC_CLKOUT, |
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}; |
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/* GRF_GPIO1D_IOMUX */ |
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enum { |
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GPIO1D7_SHIFT = 14, |
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GPIO1D7_MASK = 3 << GPIO1D7_SHIFT, |
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GPIO1D7_GPIO = 0, |
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GPIO1D7_NAND_D7, |
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GPIO1D7_EMMC_D7, |
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GPIO1D6_SHIFT = 12, |
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GPIO1D6_MASK = 3 << GPIO1D6_SHIFT, |
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GPIO1D6_GPIO = 0, |
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GPIO1D6_NAND_D6, |
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GPIO1D6_EMMC_D6, |
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GPIO1D5_SHIFT = 10, |
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GPIO1D5_MASK = 3 << GPIO1D5_SHIFT, |
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GPIO1D5_GPIO = 0, |
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GPIO1D5_NAND_D5, |
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GPIO1D5_EMMC_D5, |
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GPIO1D4_SHIFT = 8, |
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GPIO1D4_MASK = 3 << GPIO1D4_SHIFT, |
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GPIO1D4_GPIO = 0, |
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GPIO1D4_NAND_D4, |
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GPIO1D4_EMMC_D4, |
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GPIO1D3_SHIFT = 6, |
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GPIO1D3_MASK = 3 << GPIO1D3_SHIFT, |
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GPIO1D3_GPIO = 0, |
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GPIO1D3_NAND_D3, |
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GPIO1D3_EMMC_D3, |
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GPIO1D2_SHIFT = 4, |
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GPIO1D2_MASK = 3 << GPIO1D2_SHIFT, |
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GPIO1D2_GPIO = 0, |
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GPIO1D2_NAND_D2, |
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GPIO1D2_EMMC_D2, |
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GPIO1D1_SHIFT = 2, |
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GPIO1D1_MASK = 3 << GPIO1D1_SHIFT, |
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GPIO1D1_GPIO = 0, |
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GPIO1D1_NAND_D1, |
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GPIO1D1_EMMC_D1, |
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GPIO1D0_SHIFT = 0, |
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GPIO1D0_MASK = 3 << GPIO1D0_SHIFT, |
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GPIO1D0_GPIO = 0, |
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GPIO1D0_NAND_D0, |
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GPIO1D0_EMMC_D0, |
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}; |
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/* GRF_GPIO2A_IOMUX */ |
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enum { |
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GPIO2A7_SHIFT = 14, |
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GPIO2A7_MASK = 3 << GPIO2A7_SHIFT, |
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GPIO2A7_GPIO = 0, |
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GPIO2A7_NAND_DQS, |
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GPIO2A7_EMMC_CLKOUT, |
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GPIO2A5_SHIFT = 10, |
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GPIO2A5_MASK = 3 << GPIO2A5_SHIFT, |
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GPIO2A5_GPIO = 0, |
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GPIO2A5_NAND_WP, |
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GPIO2A5_EMMC_PWREN, |
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GPIO2A4_SHIFT = 8, |
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GPIO2A4_MASK = 3 << GPIO2A4_SHIFT, |
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GPIO2A4_GPIO = 0, |
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GPIO2A4_NAND_RDY, |
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GPIO2A4_EMMC_CMD, |
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GPIO2A3_SHIFT = 6, |
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GPIO2A3_MASK = 3 << GPIO2A3_SHIFT, |
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GPIO2A3_GPIO = 0, |
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GPIO2A3_NAND_RDN, |
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GPIO2A4_SPI1_CSN1, |
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GPIO2A2_SHIFT = 4, |
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GPIO2A2_MASK = 3 << GPIO2A2_SHIFT, |
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GPIO2A2_GPIO = 0, |
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GPIO2A2_NAND_WRN, |
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GPIO2A4_SPI1_CSN0, |
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GPIO2A1_SHIFT = 2, |
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GPIO2A1_MASK = 3 << GPIO2A1_SHIFT, |
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GPIO2A1_GPIO = 0, |
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GPIO2A1_NAND_CLE, |
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GPIO2A1_SPI1_TXD, |
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GPIO2A0_SHIFT = 0, |
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GPIO2A0_MASK = 3 << GPIO2A0_SHIFT, |
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GPIO2A0_GPIO = 0, |
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GPIO2A0_NAND_ALE, |
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GPIO2A0_SPI1_RXD, |
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}; |
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/* GRF_GPIO2B_IOMUX */ |
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enum { |
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GPIO2B7_SHIFT = 14, |
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GPIO2B7_MASK = 3 << GPIO2B7_SHIFT, |
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GPIO2B7_GPIO = 0, |
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GPIO2B7_GMAC_RXER, |
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GPIO2B6_SHIFT = 12, |
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GPIO2B6_MASK = 3 << GPIO2B6_SHIFT, |
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GPIO2B6_GPIO = 0, |
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GPIO2B6_GMAC_CLK, |
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GPIO2B6_MAC_LINK, |
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GPIO2B5_SHIFT = 10, |
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GPIO2B5_MASK = 3 << GPIO2B5_SHIFT, |
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GPIO2B5_GPIO = 0, |
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GPIO2B5_GMAC_TXEN, |
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GPIO2B4_SHIFT = 8, |
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GPIO2B4_MASK = 3 << GPIO2B4_SHIFT, |
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GPIO2B4_GPIO = 0, |
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GPIO2B4_GMAC_MDIO, |
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GPIO2B3_SHIFT = 6, |
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GPIO2B3_MASK = 3 << GPIO2B3_SHIFT, |
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GPIO2B3_GPIO = 0, |
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GPIO2B3_GMAC_RXCLK, |
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GPIO2B2_SHIFT = 4, |
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GPIO2B2_MASK = 3 << GPIO2B2_SHIFT, |
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GPIO2B2_GPIO = 0, |
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GPIO2B2_GMAC_CRS, |
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GPIO2B1_SHIFT = 2, |
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GPIO2B1_MASK = 3 << GPIO2B1_SHIFT, |
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GPIO2B1_GPIO = 0, |
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GPIO2B1_GMAC_TXCLK, |
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GPIO2B0_SHIFT = 0, |
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GPIO2B0_MASK = 3 << GPIO2B0_SHIFT, |
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GPIO2B0_GPIO = 0, |
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GPIO2B0_GMAC_RXDV, |
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GPIO2B0_MAC_SPEED_IOUT, |
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}; |
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/* GRF_GPIO2C_IOMUX */ |
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enum { |
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GPIO2C7_SHIFT = 14, |
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GPIO2C7_MASK = 3 << GPIO2C7_SHIFT, |
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GPIO2C7_GPIO = 0, |
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GPIO2C7_GMAC_TXD3, |
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GPIO2C6_SHIFT = 12, |
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GPIO2C6_MASK = 3 << GPIO2C6_SHIFT, |
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GPIO2C6_GPIO = 0, |
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GPIO2C6_GMAC_TXD2, |
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GPIO2C5_SHIFT = 10, |
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GPIO2C5_MASK = 3 << GPIO2C5_SHIFT, |
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GPIO2C5_GPIO = 0, |
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GPIO2C5_I2C2_SCL, |
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GPIO2C5_GMAC_RXD2, |
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GPIO2C4_SHIFT = 8, |
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GPIO2C4_MASK = 3 << GPIO2C4_SHIFT, |
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GPIO2C4_GPIO = 0, |
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GPIO2C4_I2C2_SDA, |
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GPIO2C4_GMAC_RXD3, |
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GPIO2C3_SHIFT = 6, |
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GPIO2C3_MASK = 3 << GPIO2C3_SHIFT, |
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GPIO2C3_GPIO = 0, |
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GPIO2C3_GMAC_TXD0, |
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GPIO2C2_SHIFT = 4, |
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GPIO2C2_MASK = 3 << GPIO2C2_SHIFT, |
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GPIO2C2_GPIO = 0, |
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GPIO2C2_GMAC_TXD1, |
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GPIO2C1_SHIFT = 2, |
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GPIO2C1_MASK = 3 << GPIO2C1_SHIFT, |
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GPIO2C1_GPIO = 0, |
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GPIO2C1_GMAC_RXD0, |
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GPIO2C0_SHIFT = 0, |
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GPIO2C0_MASK = 3 << GPIO2C0_SHIFT, |
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GPIO2C0_GPIO = 0, |
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GPIO2C0_GMAC_RXD1, |
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}; |
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/* GRF_GPIO2D_IOMUX */ |
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enum { |
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GPIO2D1_SHIFT = 2, |
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GPIO2D1_MASK = 3 << GPIO2D1_SHIFT, |
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GPIO2D1_GPIO = 0, |
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GPIO2D1_GMAC_MDC, |
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GPIO2D0_SHIFT = 0, |
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GPIO2D0_MASK = 3, |
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GPIO2D0_GPIO = 0, |
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GPIO2D0_GMAC_COL, |
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}; |
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/* GRF_GPIO3C_IOMUX */ |
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enum { |
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GPIO3C6_SHIFT = 12, |
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GPIO3C6_MASK = 3 << GPIO3C6_SHIFT, |
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GPIO3C6_GPIO = 0, |
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GPIO3C6_DRV_VBUS1, |
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GPIO3C5_SHIFT = 10, |
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GPIO3C5_MASK = 3 << GPIO3C5_SHIFT, |
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GPIO3C5_GPIO = 0, |
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GPIO3C5_PWM10, |
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GPIO3C1_SHIFT = 2, |
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GPIO3C1_MASK = 3 << GPIO3C1_SHIFT, |
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GPIO3C1_GPIO = 0, |
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GPIO3C1_DRV_VBUS, |
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}; |
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/* GRF_GPIO3D_IOMUX */ |
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enum { |
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GPIO3D2_SHIFT = 4, |
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GPIO3D2_MASK = 3 << GPIO3D2_SHIFT, |
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GPIO3D2_GPIO = 0, |
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GPIO3D2_PWM3, |
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}; |
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/* GRF_CON_IOMUX */ |
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enum { |
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CON_IOMUX_GMACSEL_SHIFT = 15, |
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CON_IOMUX_GMACSEL_MASK = 1 << CON_IOMUX_GMACSEL_SHIFT, |
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CON_IOMUX_GMACSEL_1 = 1, |
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CON_IOMUX_UART1SEL_SHIFT = 11, |
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CON_IOMUX_UART1SEL_MASK = 1 << CON_IOMUX_UART1SEL_SHIFT, |
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CON_IOMUX_UART2SEL_SHIFT = 8, |
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CON_IOMUX_UART2SEL_MASK = 1 << CON_IOMUX_UART2SEL_SHIFT, |
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CON_IOMUX_UART2SEL_2 = 0, |
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CON_IOMUX_UART2SEL_21, |
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CON_IOMUX_EMMCSEL_SHIFT = 7, |
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CON_IOMUX_EMMCSEL_MASK = 1 << CON_IOMUX_EMMCSEL_SHIFT, |
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CON_IOMUX_PWM3SEL_SHIFT = 3, |
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CON_IOMUX_PWM3SEL_MASK = 1 << CON_IOMUX_PWM3SEL_SHIFT, |
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CON_IOMUX_PWM2SEL_SHIFT = 2, |
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CON_IOMUX_PWM2SEL_MASK = 1 << CON_IOMUX_PWM2SEL_SHIFT, |
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CON_IOMUX_PWM1SEL_SHIFT = 1, |
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CON_IOMUX_PWM1SEL_MASK = 1 << CON_IOMUX_PWM1SEL_SHIFT, |
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CON_IOMUX_PWM0SEL_SHIFT = 0, |
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CON_IOMUX_PWM0SEL_MASK = 1 << CON_IOMUX_PWM0SEL_SHIFT, |
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}; |
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/* GRF_GPIO2B_E */ |
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enum { |
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GRF_GPIO2B0_E_SHIFT = 0, |
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GRF_GPIO2B0_E_MASK = 3 << GRF_GPIO2B0_E_SHIFT, |
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GRF_GPIO2B1_E_SHIFT = 2, |
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GRF_GPIO2B1_E_MASK = 3 << GRF_GPIO2B1_E_SHIFT, |
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GRF_GPIO2B3_E_SHIFT = 6, |
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GRF_GPIO2B3_E_MASK = 3 << GRF_GPIO2B3_E_SHIFT, |
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GRF_GPIO2B4_E_SHIFT = 8, |
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GRF_GPIO2B4_E_MASK = 3 << GRF_GPIO2B4_E_SHIFT, |
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GRF_GPIO2B5_E_SHIFT = 10, |
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GRF_GPIO2B5_E_MASK = 3 << GRF_GPIO2B5_E_SHIFT, |
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GRF_GPIO2B6_E_SHIFT = 12, |
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GRF_GPIO2B6_E_MASK = 3 << GRF_GPIO2B6_E_SHIFT, |
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}; |
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/* GRF_GPIO2C_E */ |
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enum { |
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GRF_GPIO2C0_E_SHIFT = 0, |
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GRF_GPIO2C0_E_MASK = 3 << GRF_GPIO2C0_E_SHIFT, |
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GRF_GPIO2C1_E_SHIFT = 2, |
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GRF_GPIO2C1_E_MASK = 3 << GRF_GPIO2C1_E_SHIFT, |
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GRF_GPIO2C2_E_SHIFT = 4, |
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GRF_GPIO2C2_E_MASK = 3 << GRF_GPIO2C2_E_SHIFT, |
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GRF_GPIO2C3_E_SHIFT = 6, |
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GRF_GPIO2C3_E_MASK = 3 << GRF_GPIO2C3_E_SHIFT, |
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GRF_GPIO2C4_E_SHIFT = 8, |
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GRF_GPIO2C4_E_MASK = 3 << GRF_GPIO2C4_E_SHIFT, |
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GRF_GPIO2C5_E_SHIFT = 10, |
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GRF_GPIO2C5_E_MASK = 3 << GRF_GPIO2C5_E_SHIFT, |
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GRF_GPIO2C6_E_SHIFT = 12, |
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GRF_GPIO2C6_E_MASK = 3 << GRF_GPIO2C6_E_SHIFT, |
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GRF_GPIO2C7_E_SHIFT = 14, |
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GRF_GPIO2C7_E_MASK = 3 << GRF_GPIO2C7_E_SHIFT, |
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}; |
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/* GRF_GPIO2D_E */ |
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enum { |
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GRF_GPIO2D1_E_SHIFT = 2, |
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GRF_GPIO2D1_E_MASK = 3 << GRF_GPIO2D1_E_SHIFT, |
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}; |
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/* GPIO Bias drive strength settings */ |
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enum GPIO_BIAS { |
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GPIO_BIAS_2MA = 0, |
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GPIO_BIAS_4MA, |
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GPIO_BIAS_8MA, |
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GPIO_BIAS_12MA, |
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}; |
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struct rk322x_pinctrl_priv { |
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struct rk322x_grf *grf; |
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}; |
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|
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static void pinctrl_rk322x_pwm_config(struct rk322x_grf *grf, int pwm_id) |
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{ |
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u32 mux_con = readl(&grf->con_iomux); |
|
|
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switch (pwm_id) { |
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case PERIPH_ID_PWM0: |
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if (mux_con & CON_IOMUX_PWM0SEL_MASK) |
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rk_clrsetreg(&grf->gpio3c_iomux, GPIO3C5_MASK, |
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GPIO3C5_PWM10 << GPIO3C5_SHIFT); |
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else |
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rk_clrsetreg(&grf->gpio0d_iomux, GPIO0D2_MASK, |
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GPIO0D2_PWM0 << GPIO0D2_SHIFT); |
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break; |
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case PERIPH_ID_PWM1: |
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if (mux_con & CON_IOMUX_PWM1SEL_MASK) |
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rk_clrsetreg(&grf->gpio0d_iomux, GPIO0D6_MASK, |
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GPIO0D6_PWM11 << GPIO0D6_SHIFT); |
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else |
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rk_clrsetreg(&grf->gpio0d_iomux, GPIO0D3_MASK, |
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GPIO0D3_PWM1 << GPIO0D3_SHIFT); |
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break; |
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case PERIPH_ID_PWM2: |
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if (mux_con & CON_IOMUX_PWM2SEL_MASK) |
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rk_clrsetreg(&grf->gpio1b_iomux, GPIO1B4_MASK, |
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GPIO1B4_PWM12 << GPIO1B4_SHIFT); |
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else |
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rk_clrsetreg(&grf->gpio0d_iomux, GPIO0D4_MASK, |
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GPIO0D4_PWM2 << GPIO0D4_SHIFT); |
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break; |
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case PERIPH_ID_PWM3: |
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if (mux_con & CON_IOMUX_PWM3SEL_MASK) |
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rk_clrsetreg(&grf->gpio1b_iomux, GPIO1B3_MASK, |
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GPIO1B3_PWM13 << GPIO1B3_SHIFT); |
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else |
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rk_clrsetreg(&grf->gpio3d_iomux, GPIO3D2_MASK, |
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GPIO3D2_PWM3 << GPIO3D2_SHIFT); |
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break; |
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default: |
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debug("pwm id = %d iomux error!\n", pwm_id); |
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break; |
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} |
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} |
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|
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static void pinctrl_rk322x_i2c_config(struct rk322x_grf *grf, int i2c_id) |
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{ |
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switch (i2c_id) { |
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case PERIPH_ID_I2C0: |
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rk_clrsetreg(&grf->gpio0a_iomux, |
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GPIO0A1_MASK | GPIO0A0_MASK, |
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GPIO0A1_I2C0_SDA << GPIO0A1_SHIFT | |
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GPIO0A0_I2C0_SCL << GPIO0A0_SHIFT); |
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|
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break; |
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case PERIPH_ID_I2C1: |
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rk_clrsetreg(&grf->gpio0a_iomux, |
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GPIO0A3_MASK | GPIO0A2_MASK, |
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GPIO0A3_I2C1_SDA << GPIO0A3_SHIFT | |
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GPIO0A2_I2C1_SCL << GPIO0A2_SHIFT); |
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break; |
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case PERIPH_ID_I2C2: |
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rk_clrsetreg(&grf->gpio2c_iomux, |
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GPIO2C5_MASK | GPIO2C4_MASK, |
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GPIO2C5_I2C2_SCL << GPIO2C5_SHIFT | |
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GPIO2C4_I2C2_SDA << GPIO2C4_SHIFT); |
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break; |
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case PERIPH_ID_I2C3: |
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rk_clrsetreg(&grf->gpio0a_iomux, |
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GPIO0A7_MASK | GPIO0A6_MASK, |
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GPIO0A7_I2C3_SDA << GPIO0A7_SHIFT | |
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GPIO0A6_I2C3_SCL << GPIO0A6_SHIFT); |
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|
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break; |
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} |
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} |
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|
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static void pinctrl_rk322x_spi_config(struct rk322x_grf *grf, int cs) |
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{ |
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switch (cs) { |
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case 0: |
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rk_clrsetreg(&grf->gpio0b_iomux, GPIO0B6_MASK, |
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GPIO0B6_SPI_CSN0 << GPIO0B6_SHIFT); |
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break; |
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case 1: |
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rk_clrsetreg(&grf->gpio1b_iomux, GPIO1B4_MASK, |
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GPIO1B4_SPI_CSN1 << GPIO1B4_SHIFT); |
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break; |
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} |
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rk_clrsetreg(&grf->gpio0b_iomux, |
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GPIO0B1_MASK | GPIO0B3_MASK | GPIO0B5_MASK, |
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GPIO0B5_SPI_RXD << GPIO0B5_SHIFT | |
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GPIO0B3_SPI_TXD << GPIO0B3_SHIFT | |
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GPIO0B1_SPI_CLK << GPIO0B1_SHIFT); |
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} |
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|
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static void pinctrl_rk322x_uart_config(struct rk322x_grf *grf, int uart_id) |
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{ |
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u32 mux_con = readl(&grf->con_iomux); |
|
|
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switch (uart_id) { |
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case PERIPH_ID_UART1: |
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if (!(mux_con & CON_IOMUX_UART1SEL_MASK)) |
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rk_clrsetreg(&grf->gpio1b_iomux, |
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GPIO1B1_MASK | GPIO1B2_MASK, |
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GPIO1B1_UART1_SOUT << GPIO1B1_SHIFT | |
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GPIO1B2_UART1_SIN << GPIO1B2_SHIFT); |
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break; |
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case PERIPH_ID_UART2: |
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if (mux_con & CON_IOMUX_UART2SEL_MASK) |
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rk_clrsetreg(&grf->gpio1b_iomux, |
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GPIO1B1_MASK | GPIO1B2_MASK, |
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GPIO1B1_UART21_SOUT << GPIO1B1_SHIFT | |
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GPIO1B2_UART21_SIN << GPIO1B2_SHIFT); |
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else |
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rk_clrsetreg(&grf->gpio1c_iomux, |
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GPIO1C3_MASK | GPIO1C2_MASK, |
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GPIO1C3_UART2_SIN << GPIO1C3_SHIFT | |
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GPIO1C2_UART2_SOUT << GPIO1C2_SHIFT); |
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break; |
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} |
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} |
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|
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static void pinctrl_rk322x_sdmmc_config(struct rk322x_grf *grf, int mmc_id) |
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{ |
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switch (mmc_id) { |
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case PERIPH_ID_EMMC: |
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rk_clrsetreg(&grf->gpio1d_iomux, 0xffff, |
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GPIO1D7_EMMC_D7 << GPIO1D7_SHIFT | |
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GPIO1D6_EMMC_D6 << GPIO1D6_SHIFT | |
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GPIO1D5_EMMC_D5 << GPIO1D5_SHIFT | |
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GPIO1D4_EMMC_D4 << GPIO1D4_SHIFT | |
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GPIO1D3_EMMC_D3 << GPIO1D3_SHIFT | |
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GPIO1D2_EMMC_D2 << GPIO1D2_SHIFT | |
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GPIO1D1_EMMC_D1 << GPIO1D1_SHIFT | |
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GPIO1D0_EMMC_D0 << GPIO1D0_SHIFT); |
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rk_clrsetreg(&grf->gpio2a_iomux, |
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GPIO2A5_MASK | GPIO2A7_MASK, |
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GPIO2A5_EMMC_PWREN << GPIO2A5_SHIFT | |
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GPIO2A7_EMMC_CLKOUT << GPIO2A7_SHIFT); |
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rk_clrsetreg(&grf->gpio1c_iomux, |
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GPIO1C6_MASK | GPIO1C7_MASK, |
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GPIO1C6_EMMC_CMD << GPIO1C6_SHIFT | |
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GPIO1C7_EMMC_RSTNOUT << GPIO1C6_SHIFT); |
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break; |
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case PERIPH_ID_SDCARD: |
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rk_clrsetreg(&grf->gpio1b_iomux, |
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GPIO1B6_MASK | GPIO1B7_MASK, |
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GPIO1B6_SDMMC_PWREN << GPIO1B6_SHIFT | |
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GPIO1B7_SDMMC_CMD << GPIO1B7_SHIFT); |
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rk_clrsetreg(&grf->gpio1c_iomux, 0xfff, |
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GPIO1C5_SDMMC_D3 << GPIO1C5_SHIFT | |
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GPIO1C4_SDMMC_D2 << GPIO1C4_SHIFT | |
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GPIO1C3_SDMMC_D1 << GPIO1C3_SHIFT | |
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GPIO1C2_SDMMC_D0 << GPIO1C2_SHIFT | |
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GPIO1C1_SDMMC_DETN << GPIO1C1_SHIFT | |
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GPIO1C0_SDMMC_CLKOUT << GPIO1C0_SHIFT); |
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break; |
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} |
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} |
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|
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#if CONFIG_IS_ENABLED(GMAC_ROCKCHIP) |
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static void pinctrl_rk322x_gmac_config(struct rk322x_grf *grf, int gmac_id) |
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{ |
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switch (gmac_id) { |
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case PERIPH_ID_GMAC: |
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/* set rgmii pins mux */ |
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rk_clrsetreg(&grf->gpio2b_iomux, |
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GPIO2B0_MASK | |
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GPIO2B1_MASK | |
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GPIO2B3_MASK | |
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GPIO2B4_MASK | |
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GPIO2B5_MASK | |
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GPIO2B6_MASK, |
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GPIO2B0_GMAC_RXDV << GPIO2B0_SHIFT | |
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GPIO2B1_GMAC_TXCLK << GPIO2B1_SHIFT | |
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GPIO2B3_GMAC_RXCLK << GPIO2B3_SHIFT | |
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GPIO2B4_GMAC_MDIO << GPIO2B4_SHIFT | |
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GPIO2B5_GMAC_TXEN << GPIO2B5_SHIFT | |
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GPIO2B6_GMAC_CLK << GPIO2B6_SHIFT); |
|
|
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rk_clrsetreg(&grf->gpio2c_iomux, |
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GPIO2C0_MASK | |
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GPIO2C1_MASK | |
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GPIO2C2_MASK | |
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GPIO2C3_MASK | |
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GPIO2C4_MASK | |
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GPIO2C5_MASK | |
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GPIO2C6_MASK | |
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GPIO2C7_MASK, |
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GPIO2C0_GMAC_RXD1 << GPIO2C0_SHIFT | |
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GPIO2C1_GMAC_RXD0 << GPIO2C1_SHIFT | |
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GPIO2C2_GMAC_TXD1 << GPIO2C2_SHIFT | |
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GPIO2C3_GMAC_TXD0 << GPIO2C3_SHIFT | |
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GPIO2C4_GMAC_RXD3 << GPIO2C4_SHIFT | |
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GPIO2C5_GMAC_RXD2 << GPIO2C5_SHIFT | |
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GPIO2C6_GMAC_TXD2 << GPIO2C6_SHIFT | |
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GPIO2C7_GMAC_TXD3 << GPIO2C7_SHIFT); |
|
|
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rk_clrsetreg(&grf->gpio2d_iomux, |
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GPIO2D1_MASK, |
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GPIO2D1_GMAC_MDC << GPIO2D1_SHIFT); |
|
|
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/* |
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* set rgmii tx pins to 12ma drive-strength, |
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* clean others with 2ma. |
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*/ |
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rk_clrsetreg(&grf->gpio2_e[1], |
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GRF_GPIO2B0_E_MASK | |
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GRF_GPIO2B1_E_MASK | |
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GRF_GPIO2B3_E_MASK | |
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GRF_GPIO2B4_E_MASK | |
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GRF_GPIO2B5_E_MASK | |
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GRF_GPIO2B6_E_MASK, |
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GPIO_BIAS_2MA << GRF_GPIO2B0_E_SHIFT | |
|
GPIO_BIAS_12MA << GRF_GPIO2B1_E_SHIFT | |
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GPIO_BIAS_2MA << GRF_GPIO2B3_E_SHIFT | |
|
GPIO_BIAS_2MA << GRF_GPIO2B4_E_SHIFT | |
|
GPIO_BIAS_12MA << GRF_GPIO2B5_E_SHIFT | |
|
GPIO_BIAS_2MA << GRF_GPIO2B6_E_SHIFT); |
|
|
|
rk_clrsetreg(&grf->gpio2_e[2], |
|
GRF_GPIO2C0_E_MASK | |
|
GRF_GPIO2C1_E_MASK | |
|
GRF_GPIO2C2_E_MASK | |
|
GRF_GPIO2C3_E_MASK | |
|
GRF_GPIO2C4_E_MASK | |
|
GRF_GPIO2C5_E_MASK | |
|
GRF_GPIO2C6_E_MASK | |
|
GRF_GPIO2C7_E_MASK, |
|
GPIO_BIAS_2MA << GRF_GPIO2C0_E_SHIFT | |
|
GPIO_BIAS_2MA << GRF_GPIO2C1_E_SHIFT | |
|
GPIO_BIAS_12MA << GRF_GPIO2C2_E_SHIFT | |
|
GPIO_BIAS_12MA << GRF_GPIO2C3_E_SHIFT | |
|
GPIO_BIAS_2MA << GRF_GPIO2C4_E_SHIFT | |
|
GPIO_BIAS_2MA << GRF_GPIO2C5_E_SHIFT | |
|
GPIO_BIAS_12MA << GRF_GPIO2C6_E_SHIFT | |
|
GPIO_BIAS_12MA << GRF_GPIO2C7_E_SHIFT); |
|
|
|
rk_clrsetreg(&grf->gpio2_e[3], |
|
GRF_GPIO2D1_E_MASK, |
|
GPIO_BIAS_2MA << GRF_GPIO2D1_E_SHIFT); |
|
break; |
|
default: |
|
debug("gmac id = %d iomux error!\n", gmac_id); |
|
break; |
|
} |
|
} |
|
#endif |
|
|
|
static int rk322x_pinctrl_request(struct udevice *dev, int func, int flags) |
|
{ |
|
struct rk322x_pinctrl_priv *priv = dev_get_priv(dev); |
|
|
|
debug("%s: func=%x, flags=%x\n", __func__, func, flags); |
|
switch (func) { |
|
case PERIPH_ID_PWM0: |
|
case PERIPH_ID_PWM1: |
|
case PERIPH_ID_PWM2: |
|
case PERIPH_ID_PWM3: |
|
pinctrl_rk322x_pwm_config(priv->grf, func); |
|
break; |
|
case PERIPH_ID_I2C0: |
|
case PERIPH_ID_I2C1: |
|
case PERIPH_ID_I2C2: |
|
pinctrl_rk322x_i2c_config(priv->grf, func); |
|
break; |
|
case PERIPH_ID_SPI0: |
|
pinctrl_rk322x_spi_config(priv->grf, flags); |
|
break; |
|
case PERIPH_ID_UART0: |
|
case PERIPH_ID_UART1: |
|
case PERIPH_ID_UART2: |
|
pinctrl_rk322x_uart_config(priv->grf, func); |
|
break; |
|
case PERIPH_ID_SDMMC0: |
|
case PERIPH_ID_SDMMC1: |
|
pinctrl_rk322x_sdmmc_config(priv->grf, func); |
|
break; |
|
#if CONFIG_IS_ENABLED(GMAC_ROCKCHIP) |
|
case PERIPH_ID_GMAC: |
|
pinctrl_rk322x_gmac_config(priv->grf, func); |
|
break; |
|
#endif |
|
default: |
|
return -EINVAL; |
|
} |
|
|
|
return 0; |
|
} |
|
|
|
static int rk322x_pinctrl_get_periph_id(struct udevice *dev, |
|
struct udevice *periph) |
|
{ |
|
u32 cell[3]; |
|
int ret; |
|
|
|
ret = fdtdec_get_int_array(gd->fdt_blob, dev_of_offset(periph), |
|
"interrupts", cell, ARRAY_SIZE(cell)); |
|
if (ret < 0) |
|
return -EINVAL; |
|
|
|
switch (cell[1]) { |
|
case 12: |
|
return PERIPH_ID_SDCARD; |
|
case 14: |
|
return PERIPH_ID_EMMC; |
|
case 36: |
|
return PERIPH_ID_I2C0; |
|
case 37: |
|
return PERIPH_ID_I2C1; |
|
case 38: |
|
return PERIPH_ID_I2C2; |
|
case 49: |
|
return PERIPH_ID_SPI0; |
|
case 50: |
|
return PERIPH_ID_PWM0; |
|
case 55: |
|
return PERIPH_ID_UART0; |
|
case 56: |
|
return PERIPH_ID_UART1; |
|
case 57: |
|
return PERIPH_ID_UART2; |
|
#if CONFIG_IS_ENABLED(GMAC_ROCKCHIP) |
|
case 24: |
|
return PERIPH_ID_GMAC; |
|
#endif |
|
} |
|
return -ENOENT; |
|
} |
|
|
|
static int rk322x_pinctrl_set_state_simple(struct udevice *dev, |
|
struct udevice *periph) |
|
{ |
|
int func; |
|
|
|
func = rk322x_pinctrl_get_periph_id(dev, periph); |
|
if (func < 0) |
|
return func; |
|
return rk322x_pinctrl_request(dev, func, 0); |
|
} |
|
|
|
static struct pinctrl_ops rk322x_pinctrl_ops = { |
|
.set_state_simple = rk322x_pinctrl_set_state_simple, |
|
.request = rk322x_pinctrl_request, |
|
.get_periph_id = rk322x_pinctrl_get_periph_id, |
|
}; |
|
|
|
static int rk322x_pinctrl_probe(struct udevice *dev) |
|
{ |
|
struct rk322x_pinctrl_priv *priv = dev_get_priv(dev); |
|
|
|
priv->grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF); |
|
debug("%s: grf=%p\n", __func__, priv->grf); |
|
return 0; |
|
} |
|
|
|
static const struct udevice_id rk322x_pinctrl_ids[] = { |
|
{ .compatible = "rockchip,rk3228-pinctrl" }, |
|
{ } |
|
}; |
|
|
|
U_BOOT_DRIVER(pinctrl_rk3228) = { |
|
.name = "pinctrl_rk3228", |
|
.id = UCLASS_PINCTRL, |
|
.of_match = rk322x_pinctrl_ids, |
|
.priv_auto_alloc_size = sizeof(struct rk322x_pinctrl_priv), |
|
.ops = &rk322x_pinctrl_ops, |
|
.bind = dm_scan_fdt_dev, |
|
.probe = rk322x_pinctrl_probe, |
|
};
|
|
|