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548 lines
14 KiB
548 lines
14 KiB
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* Hardware definitions for Palm Treo smartphones |
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* |
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* currently supported: |
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* Palm Treo 680 (GSM) |
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* Palm Centro 685 (GSM) |
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* |
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* Author: Tomas Cech <[email protected]> |
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* |
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* (find more info at www.hackndev.com) |
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*/ |
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#include <linux/platform_device.h> |
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#include <linux/delay.h> |
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#include <linux/irq.h> |
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#include <linux/gpio_keys.h> |
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#include <linux/input.h> |
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#include <linux/memblock.h> |
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#include <linux/pda_power.h> |
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#include <linux/pwm_backlight.h> |
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#include <linux/gpio.h> |
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#include <linux/power_supply.h> |
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#include <linux/w1-gpio.h> |
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#include <asm/mach-types.h> |
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#include <asm/mach/arch.h> |
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#include <asm/mach/map.h> |
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#include "pxa27x.h" |
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#include "pxa27x-udc.h" |
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#include <mach/audio.h> |
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#include "palmtreo.h" |
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#include <linux/platform_data/mmc-pxamci.h> |
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#include <linux/platform_data/video-pxafb.h> |
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#include <linux/platform_data/irda-pxaficp.h> |
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#include <linux/platform_data/keypad-pxa27x.h> |
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#include "udc.h" |
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#include <linux/platform_data/usb-ohci-pxa27x.h> |
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#include <mach/pxa2xx-regs.h> |
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#include <linux/platform_data/asoc-palm27x.h> |
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#include <linux/platform_data/media/camera-pxa.h> |
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#include "palm27x.h" |
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#include <sound/pxa2xx-lib.h> |
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#include "generic.h" |
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#include "devices.h" |
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/****************************************************************************** |
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* Pin configuration |
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******************************************************************************/ |
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static unsigned long treo_pin_config[] __initdata = { |
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/* MMC */ |
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GPIO32_MMC_CLK, |
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GPIO92_MMC_DAT_0, |
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GPIO109_MMC_DAT_1, |
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GPIO110_MMC_DAT_2, |
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GPIO111_MMC_DAT_3, |
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GPIO112_MMC_CMD, |
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GPIO113_GPIO, /* SD detect */ |
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/* AC97 */ |
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GPIO28_AC97_BITCLK, |
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GPIO29_AC97_SDATA_IN_0, |
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GPIO30_AC97_SDATA_OUT, |
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GPIO31_AC97_SYNC, |
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GPIO89_AC97_SYSCLK, |
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GPIO95_AC97_nRESET, |
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/* IrDA */ |
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GPIO46_FICP_RXD, |
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GPIO47_FICP_TXD, |
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/* PWM */ |
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GPIO16_PWM0_OUT, |
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/* USB */ |
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GPIO1_GPIO | WAKEUP_ON_EDGE_BOTH, /* usb detect */ |
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/* MATRIX KEYPAD */ |
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GPIO101_KP_MKIN_1, |
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GPIO102_KP_MKIN_2, |
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GPIO97_KP_MKIN_3, |
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GPIO98_KP_MKIN_4, |
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GPIO91_KP_MKIN_6, |
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GPIO13_KP_MKIN_7, |
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GPIO103_KP_MKOUT_0 | MFP_LPM_DRIVE_HIGH, |
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GPIO104_KP_MKOUT_1, |
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GPIO105_KP_MKOUT_2, |
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GPIO106_KP_MKOUT_3, |
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GPIO107_KP_MKOUT_4, |
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GPIO108_KP_MKOUT_5, |
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GPIO96_KP_MKOUT_6, |
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GPIO93_KP_DKIN_0 | WAKEUP_ON_LEVEL_HIGH, /* Hotsync button */ |
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/* Quick Capture Interface */ |
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GPIO84_CIF_FV, |
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GPIO85_CIF_LV, |
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GPIO53_CIF_MCLK, |
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GPIO54_CIF_PCLK, |
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GPIO81_CIF_DD_0, |
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GPIO55_CIF_DD_1, |
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GPIO51_CIF_DD_2, |
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GPIO50_CIF_DD_3, |
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GPIO52_CIF_DD_4, |
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GPIO48_CIF_DD_5, |
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GPIO17_CIF_DD_6, |
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GPIO12_CIF_DD_7, |
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/* I2C */ |
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GPIO117_I2C_SCL, |
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GPIO118_I2C_SDA, |
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/* GSM */ |
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GPIO14_GPIO | WAKEUP_ON_EDGE_BOTH, /* GSM host wake up */ |
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GPIO34_FFUART_RXD, |
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GPIO35_FFUART_CTS, |
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GPIO39_FFUART_TXD, |
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GPIO41_FFUART_RTS, |
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/* MISC. */ |
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GPIO0_GPIO | WAKEUP_ON_EDGE_BOTH, /* external power detect */ |
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GPIO15_GPIO | WAKEUP_ON_EDGE_BOTH, /* silent switch */ |
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GPIO116_GPIO, /* headphone detect */ |
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GPIO11_GPIO | WAKEUP_ON_EDGE_BOTH, /* bluetooth host wake up */ |
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}; |
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#ifdef CONFIG_MACH_TREO680 |
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static unsigned long treo680_pin_config[] __initdata = { |
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GPIO33_GPIO, /* SD read only */ |
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/* MATRIX KEYPAD - different wake up source */ |
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GPIO100_KP_MKIN_0 | WAKEUP_ON_LEVEL_HIGH, |
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GPIO99_KP_MKIN_5, |
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/* LCD... L_BIAS alt fn not configured on Treo680; is GPIO instead */ |
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GPIOxx_LCD_16BPP, |
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GPIO74_LCD_FCLK, |
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GPIO75_LCD_LCLK, |
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GPIO76_LCD_PCLK, |
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}; |
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#endif /* CONFIG_MACH_TREO680 */ |
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#ifdef CONFIG_MACH_CENTRO |
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static unsigned long centro685_pin_config[] __initdata = { |
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/* Bluetooth attached to BT UART*/ |
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MFP_CFG_OUT(GPIO80, AF0, DRIVE_LOW), /* power: LOW = off */ |
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GPIO42_BTUART_RXD, |
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GPIO43_BTUART_TXD, |
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GPIO44_BTUART_CTS, |
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GPIO45_BTUART_RTS, |
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/* MATRIX KEYPAD - different wake up source */ |
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GPIO100_KP_MKIN_0, |
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GPIO99_KP_MKIN_5 | WAKEUP_ON_LEVEL_HIGH, |
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/* LCD */ |
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GPIOxx_LCD_TFT_16BPP, |
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}; |
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#endif /* CONFIG_MACH_CENTRO */ |
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/****************************************************************************** |
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* GPIO keyboard |
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******************************************************************************/ |
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#if IS_ENABLED(CONFIG_KEYBOARD_PXA27x) |
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static const unsigned int treo680_matrix_keys[] = { |
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KEY(0, 0, KEY_F8), /* Red/Off/Power */ |
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KEY(0, 1, KEY_LEFT), |
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KEY(0, 2, KEY_LEFTCTRL), /* Alternate */ |
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KEY(0, 3, KEY_L), |
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KEY(0, 4, KEY_A), |
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KEY(0, 5, KEY_Q), |
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KEY(0, 6, KEY_P), |
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KEY(1, 0, KEY_RIGHTCTRL), /* Menu */ |
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KEY(1, 1, KEY_RIGHT), |
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KEY(1, 2, KEY_LEFTSHIFT), /* Left shift */ |
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KEY(1, 3, KEY_Z), |
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KEY(1, 4, KEY_S), |
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KEY(1, 5, KEY_W), |
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KEY(2, 0, KEY_F1), /* Phone */ |
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KEY(2, 1, KEY_UP), |
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KEY(2, 2, KEY_0), |
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KEY(2, 3, KEY_X), |
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KEY(2, 4, KEY_D), |
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KEY(2, 5, KEY_E), |
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KEY(3, 0, KEY_F10), /* Calendar */ |
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KEY(3, 1, KEY_DOWN), |
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KEY(3, 2, KEY_SPACE), |
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KEY(3, 3, KEY_C), |
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KEY(3, 4, KEY_F), |
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KEY(3, 5, KEY_R), |
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KEY(4, 0, KEY_F12), /* Mail */ |
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KEY(4, 1, KEY_KPENTER), |
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KEY(4, 2, KEY_RIGHTALT), /* Alt */ |
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KEY(4, 3, KEY_V), |
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KEY(4, 4, KEY_G), |
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KEY(4, 5, KEY_T), |
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KEY(5, 0, KEY_F9), /* Home */ |
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KEY(5, 1, KEY_PAGEUP), /* Side up */ |
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KEY(5, 2, KEY_DOT), |
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KEY(5, 3, KEY_B), |
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KEY(5, 4, KEY_H), |
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KEY(5, 5, KEY_Y), |
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KEY(6, 0, KEY_TAB), /* Side Activate */ |
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KEY(6, 1, KEY_PAGEDOWN), /* Side down */ |
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KEY(6, 2, KEY_ENTER), |
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KEY(6, 3, KEY_N), |
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KEY(6, 4, KEY_J), |
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KEY(6, 5, KEY_U), |
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KEY(7, 0, KEY_F6), /* Green/Call */ |
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KEY(7, 1, KEY_O), |
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KEY(7, 2, KEY_BACKSPACE), |
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KEY(7, 3, KEY_M), |
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KEY(7, 4, KEY_K), |
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KEY(7, 5, KEY_I), |
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}; |
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static const unsigned int centro_matrix_keys[] = { |
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KEY(0, 0, KEY_F9), /* Home */ |
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KEY(0, 1, KEY_LEFT), |
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KEY(0, 2, KEY_LEFTCTRL), /* Alternate */ |
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KEY(0, 3, KEY_L), |
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KEY(0, 4, KEY_A), |
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KEY(0, 5, KEY_Q), |
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KEY(0, 6, KEY_P), |
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KEY(1, 0, KEY_RIGHTCTRL), /* Menu */ |
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KEY(1, 1, KEY_RIGHT), |
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KEY(1, 2, KEY_LEFTSHIFT), /* Left shift */ |
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KEY(1, 3, KEY_Z), |
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KEY(1, 4, KEY_S), |
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KEY(1, 5, KEY_W), |
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KEY(2, 0, KEY_F1), /* Phone */ |
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KEY(2, 1, KEY_UP), |
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KEY(2, 2, KEY_0), |
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KEY(2, 3, KEY_X), |
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KEY(2, 4, KEY_D), |
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KEY(2, 5, KEY_E), |
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KEY(3, 0, KEY_F10), /* Calendar */ |
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KEY(3, 1, KEY_DOWN), |
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KEY(3, 2, KEY_SPACE), |
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KEY(3, 3, KEY_C), |
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KEY(3, 4, KEY_F), |
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KEY(3, 5, KEY_R), |
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KEY(4, 0, KEY_F12), /* Mail */ |
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KEY(4, 1, KEY_KPENTER), |
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KEY(4, 2, KEY_RIGHTALT), /* Alt */ |
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KEY(4, 3, KEY_V), |
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KEY(4, 4, KEY_G), |
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KEY(4, 5, KEY_T), |
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KEY(5, 0, KEY_F8), /* Red/Off/Power */ |
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KEY(5, 1, KEY_PAGEUP), /* Side up */ |
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KEY(5, 2, KEY_DOT), |
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KEY(5, 3, KEY_B), |
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KEY(5, 4, KEY_H), |
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KEY(5, 5, KEY_Y), |
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KEY(6, 0, KEY_TAB), /* Side Activate */ |
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KEY(6, 1, KEY_PAGEDOWN), /* Side down */ |
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KEY(6, 2, KEY_ENTER), |
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KEY(6, 3, KEY_N), |
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KEY(6, 4, KEY_J), |
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KEY(6, 5, KEY_U), |
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KEY(7, 0, KEY_F6), /* Green/Call */ |
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KEY(7, 1, KEY_O), |
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KEY(7, 2, KEY_BACKSPACE), |
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KEY(7, 3, KEY_M), |
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KEY(7, 4, KEY_K), |
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KEY(7, 5, KEY_I), |
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}; |
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static struct matrix_keymap_data treo680_matrix_keymap_data = { |
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.keymap = treo680_matrix_keys, |
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.keymap_size = ARRAY_SIZE(treo680_matrix_keys), |
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}; |
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static struct matrix_keymap_data centro_matrix_keymap_data = { |
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.keymap = centro_matrix_keys, |
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.keymap_size = ARRAY_SIZE(centro_matrix_keys), |
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}; |
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static struct pxa27x_keypad_platform_data treo680_keypad_pdata = { |
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.matrix_key_rows = 8, |
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.matrix_key_cols = 7, |
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.matrix_keymap_data = &treo680_matrix_keymap_data, |
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.direct_key_map = { KEY_CONNECT }, |
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.direct_key_num = 1, |
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.debounce_interval = 30, |
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}; |
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static void __init palmtreo_kpc_init(void) |
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{ |
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static struct pxa27x_keypad_platform_data *data = &treo680_keypad_pdata; |
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if (machine_is_centro()) |
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data->matrix_keymap_data = ¢ro_matrix_keymap_data; |
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pxa_set_keypad_info(&treo680_keypad_pdata); |
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} |
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#else |
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static inline void palmtreo_kpc_init(void) {} |
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#endif |
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/****************************************************************************** |
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* USB host |
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******************************************************************************/ |
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#if IS_ENABLED(CONFIG_USB_OHCI_HCD) |
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static struct pxaohci_platform_data treo680_ohci_info = { |
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.port_mode = PMM_PERPORT_MODE, |
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.flags = ENABLE_PORT1 | ENABLE_PORT3, |
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.power_budget = 0, |
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}; |
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static void __init palmtreo_uhc_init(void) |
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{ |
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if (machine_is_treo680()) |
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pxa_set_ohci_info(&treo680_ohci_info); |
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} |
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#else |
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static inline void palmtreo_uhc_init(void) {} |
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#endif |
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/****************************************************************************** |
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* Vibra and LEDs |
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******************************************************************************/ |
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static struct gpio_led treo680_gpio_leds[] = { |
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{ |
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.name = "treo680:vibra:vibra", |
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.default_trigger = "none", |
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.gpio = GPIO_NR_TREO680_VIBRATE_EN, |
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}, |
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{ |
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.name = "treo680:green:led", |
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.default_trigger = "mmc0", |
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.gpio = GPIO_NR_TREO_GREEN_LED, |
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}, |
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{ |
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.name = "treo680:white:keybbl", |
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.default_trigger = "none", |
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.gpio = GPIO_NR_TREO680_KEYB_BL, |
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}, |
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}; |
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static struct gpio_led_platform_data treo680_gpio_led_info = { |
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.leds = treo680_gpio_leds, |
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.num_leds = ARRAY_SIZE(treo680_gpio_leds), |
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}; |
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static struct gpio_led centro_gpio_leds[] = { |
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{ |
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.name = "centro:vibra:vibra", |
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.default_trigger = "none", |
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.gpio = GPIO_NR_CENTRO_VIBRATE_EN, |
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}, |
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{ |
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.name = "centro:green:led", |
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.default_trigger = "mmc0", |
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.gpio = GPIO_NR_TREO_GREEN_LED, |
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}, |
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{ |
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.name = "centro:white:keybbl", |
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.default_trigger = "none", |
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.active_low = 1, |
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.gpio = GPIO_NR_CENTRO_KEYB_BL, |
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}, |
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}; |
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static struct gpio_led_platform_data centro_gpio_led_info = { |
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.leds = centro_gpio_leds, |
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.num_leds = ARRAY_SIZE(centro_gpio_leds), |
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}; |
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static struct platform_device palmtreo_leds = { |
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.name = "leds-gpio", |
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.id = -1, |
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}; |
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static void __init palmtreo_leds_init(void) |
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{ |
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if (machine_is_centro()) |
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palmtreo_leds.dev.platform_data = ¢ro_gpio_led_info; |
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else if (machine_is_treo680()) |
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palmtreo_leds.dev.platform_data = &treo680_gpio_led_info; |
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platform_device_register(&palmtreo_leds); |
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} |
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/****************************************************************************** |
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* Machine init |
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******************************************************************************/ |
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static void __init treo_reserve(void) |
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{ |
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memblock_reserve(0xa0000000, 0x1000); |
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memblock_reserve(0xa2000000, 0x1000); |
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} |
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static void __init palmphone_common_init(void) |
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{ |
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pxa2xx_mfp_config(ARRAY_AND_SIZE(treo_pin_config)); |
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pxa_set_ffuart_info(NULL); |
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pxa_set_btuart_info(NULL); |
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pxa_set_stuart_info(NULL); |
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palm27x_pm_init(TREO_STR_BASE); |
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palm27x_lcd_init(GPIO_NR_TREO_BL_POWER, &palm_320x320_new_lcd_mode); |
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palm27x_udc_init(GPIO_NR_TREO_USB_DETECT, GPIO_NR_TREO_USB_PULLUP, 1); |
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palm27x_irda_init(GPIO_NR_TREO_IR_EN); |
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palm27x_ac97_init(-1, -1, -1, 95); |
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palm27x_pwm_init(GPIO_NR_TREO_BL_POWER, -1); |
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palm27x_power_init(GPIO_NR_TREO_POWER_DETECT, -1); |
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palm27x_pmic_init(); |
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palmtreo_kpc_init(); |
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palmtreo_uhc_init(); |
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palmtreo_leds_init(); |
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} |
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#ifdef CONFIG_MACH_TREO680 |
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void __init treo680_gpio_init(void) |
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{ |
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unsigned int gpio; |
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|
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/* drive all three lcd gpios high initially */ |
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const unsigned long lcd_flags = GPIOF_INIT_HIGH | GPIOF_DIR_OUT; |
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/* |
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* LCD GPIO initialization... |
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*/ |
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/* |
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* This is likely the power to the lcd. Toggling it low/high appears to |
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* turn the lcd off/on. Can be toggled after lcd is initialized without |
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* any apparent adverse effects to the lcd operation. Note that this |
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* gpio line is used by the lcd controller as the L_BIAS signal, but |
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* treo680 configures it as gpio. |
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*/ |
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gpio = GPIO_NR_TREO680_LCD_POWER; |
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if (gpio_request_one(gpio, lcd_flags, "LCD power") < 0) |
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goto fail; |
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/* |
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* These two are called "enables", for lack of a better understanding. |
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* If either of these are toggled after the lcd is initialized, the |
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* image becomes degraded. N.B. The IPL shipped with the treo |
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* configures GPIO_NR_TREO680_LCD_EN_N as output and drives it high. If |
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* the IPL is ever reprogrammed, this initialization may be need to be |
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* revisited. |
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*/ |
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gpio = GPIO_NR_TREO680_LCD_EN; |
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if (gpio_request_one(gpio, lcd_flags, "LCD enable") < 0) |
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goto fail; |
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gpio = GPIO_NR_TREO680_LCD_EN_N; |
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if (gpio_request_one(gpio, lcd_flags, "LCD enable_n") < 0) |
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goto fail; |
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/* driving this low turns LCD on */ |
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gpio_set_value(GPIO_NR_TREO680_LCD_EN_N, 0); |
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return; |
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fail: |
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pr_err("gpio %d initialization failed\n", gpio); |
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gpio_free(GPIO_NR_TREO680_LCD_POWER); |
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gpio_free(GPIO_NR_TREO680_LCD_EN); |
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gpio_free(GPIO_NR_TREO680_LCD_EN_N); |
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} |
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static struct gpiod_lookup_table treo680_mci_gpio_table = { |
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.dev_id = "pxa2xx-mci.0", |
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.table = { |
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GPIO_LOOKUP("gpio-pxa", GPIO_NR_TREO_SD_DETECT_N, |
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"cd", GPIO_ACTIVE_LOW), |
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GPIO_LOOKUP("gpio-pxa", GPIO_NR_TREO680_SD_READONLY, |
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"wp", GPIO_ACTIVE_LOW), |
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GPIO_LOOKUP("gpio-pxa", GPIO_NR_TREO680_SD_POWER, |
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"power", GPIO_ACTIVE_HIGH), |
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{ }, |
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}, |
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}; |
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static void __init treo680_init(void) |
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{ |
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pxa2xx_mfp_config(ARRAY_AND_SIZE(treo680_pin_config)); |
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palmphone_common_init(); |
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treo680_gpio_init(); |
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palm27x_mmc_init(&treo680_mci_gpio_table); |
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} |
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#endif |
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#ifdef CONFIG_MACH_CENTRO |
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static struct gpiod_lookup_table centro685_mci_gpio_table = { |
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.dev_id = "pxa2xx-mci.0", |
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.table = { |
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GPIO_LOOKUP("gpio-pxa", GPIO_NR_TREO_SD_DETECT_N, |
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"cd", GPIO_ACTIVE_LOW), |
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GPIO_LOOKUP("gpio-pxa", GPIO_NR_CENTRO_SD_POWER, |
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"power", GPIO_ACTIVE_LOW), |
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{ }, |
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}, |
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}; |
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static void __init centro_init(void) |
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{ |
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pxa2xx_mfp_config(ARRAY_AND_SIZE(centro685_pin_config)); |
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palmphone_common_init(); |
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palm27x_mmc_init(¢ro685_mci_gpio_table); |
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} |
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#endif |
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#ifdef CONFIG_MACH_TREO680 |
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MACHINE_START(TREO680, "Palm Treo 680") |
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.atag_offset = 0x100, |
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.map_io = pxa27x_map_io, |
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.reserve = treo_reserve, |
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.nr_irqs = PXA_NR_IRQS, |
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.init_irq = pxa27x_init_irq, |
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.handle_irq = pxa27x_handle_irq, |
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.init_time = pxa_timer_init, |
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.init_machine = treo680_init, |
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.restart = pxa_restart, |
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MACHINE_END |
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#endif |
|
|
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#ifdef CONFIG_MACH_CENTRO |
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MACHINE_START(CENTRO, "Palm Centro 685") |
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.atag_offset = 0x100, |
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.map_io = pxa27x_map_io, |
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.reserve = treo_reserve, |
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.nr_irqs = PXA_NR_IRQS, |
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.init_irq = pxa27x_init_irq, |
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.handle_irq = pxa27x_handle_irq, |
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.init_time = pxa_timer_init, |
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.init_machine = centro_init, |
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.restart = pxa_restart, |
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MACHINE_END |
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#endif
|
|
|