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147 lines
3.4 KiB
147 lines
3.4 KiB
// SPDX-License-Identifier: GPL-2.0 |
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/* |
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* DA8xx USB |
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*/ |
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#include <linux/clk-provider.h> |
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#include <linux/delay.h> |
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#include <linux/dma-mapping.h> |
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#include <linux/init.h> |
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#include <linux/mfd/da8xx-cfgchip.h> |
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#include <linux/mfd/syscon.h> |
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#include <linux/phy/phy.h> |
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#include <linux/platform_data/clk-da8xx-cfgchip.h> |
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#include <linux/platform_data/phy-da8xx-usb.h> |
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#include <linux/platform_data/usb-davinci.h> |
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#include <linux/platform_device.h> |
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#include <linux/usb/musb.h> |
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#include <mach/common.h> |
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#include <mach/cputype.h> |
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#include <mach/da8xx.h> |
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#include "irqs.h" |
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#define DA8XX_USB0_BASE 0x01e00000 |
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#define DA8XX_USB1_BASE 0x01e25000 |
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#ifndef CONFIG_COMMON_CLK |
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static struct clk *usb20_clk; |
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#endif |
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static struct da8xx_usb_phy_platform_data da8xx_usb_phy_pdata; |
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static struct platform_device da8xx_usb_phy = { |
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.name = "da8xx-usb-phy", |
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.id = -1, |
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.dev = { |
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/* |
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* Setting init_name so that clock lookup will work in |
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* da8xx_register_usb11_phy_clk() even if this device is not |
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* registered yet. |
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*/ |
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.init_name = "da8xx-usb-phy", |
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.platform_data = &da8xx_usb_phy_pdata, |
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}, |
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}; |
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int __init da8xx_register_usb_phy(void) |
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{ |
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da8xx_usb_phy_pdata.cfgchip = da8xx_get_cfgchip(); |
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return platform_device_register(&da8xx_usb_phy); |
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} |
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static struct musb_hdrc_config musb_config = { |
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.multipoint = true, |
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.num_eps = 5, |
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.ram_bits = 10, |
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}; |
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static struct musb_hdrc_platform_data usb_data = { |
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/* OTG requires a Mini-AB connector */ |
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.mode = MUSB_OTG, |
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.clock = "usb20", |
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.config = &musb_config, |
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}; |
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static struct resource da8xx_usb20_resources[] = { |
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{ |
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.start = DA8XX_USB0_BASE, |
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.end = DA8XX_USB0_BASE + SZ_64K - 1, |
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.flags = IORESOURCE_MEM, |
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}, |
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{ |
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.start = DAVINCI_INTC_IRQ(IRQ_DA8XX_USB_INT), |
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.flags = IORESOURCE_IRQ, |
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.name = "mc", |
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}, |
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}; |
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static u64 usb_dmamask = DMA_BIT_MASK(32); |
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static struct platform_device da8xx_usb20_dev = { |
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.name = "musb-da8xx", |
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.id = -1, |
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.dev = { |
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.platform_data = &usb_data, |
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.dma_mask = &usb_dmamask, |
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.coherent_dma_mask = DMA_BIT_MASK(32), |
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}, |
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.resource = da8xx_usb20_resources, |
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.num_resources = ARRAY_SIZE(da8xx_usb20_resources), |
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}; |
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int __init da8xx_register_usb20(unsigned int mA, unsigned int potpgt) |
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{ |
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usb_data.power = mA > 510 ? 255 : mA / 2; |
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usb_data.potpgt = (potpgt + 1) / 2; |
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return platform_device_register(&da8xx_usb20_dev); |
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} |
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static struct resource da8xx_usb11_resources[] = { |
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[0] = { |
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.start = DA8XX_USB1_BASE, |
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.end = DA8XX_USB1_BASE + SZ_4K - 1, |
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.flags = IORESOURCE_MEM, |
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}, |
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[1] = { |
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.start = DAVINCI_INTC_IRQ(IRQ_DA8XX_IRQN), |
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.end = DAVINCI_INTC_IRQ(IRQ_DA8XX_IRQN), |
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.flags = IORESOURCE_IRQ, |
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}, |
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}; |
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static u64 da8xx_usb11_dma_mask = DMA_BIT_MASK(32); |
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static struct platform_device da8xx_usb11_device = { |
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.name = "ohci-da8xx", |
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.id = -1, |
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.dev = { |
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.dma_mask = &da8xx_usb11_dma_mask, |
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.coherent_dma_mask = DMA_BIT_MASK(32), |
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}, |
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.num_resources = ARRAY_SIZE(da8xx_usb11_resources), |
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.resource = da8xx_usb11_resources, |
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}; |
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int __init da8xx_register_usb11(struct da8xx_ohci_root_hub *pdata) |
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{ |
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da8xx_usb11_device.dev.platform_data = pdata; |
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return platform_device_register(&da8xx_usb11_device); |
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} |
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static struct platform_device da8xx_usb_phy_clks_device = { |
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.name = "da830-usb-phy-clks", |
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.id = -1, |
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}; |
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int __init da8xx_register_usb_phy_clocks(void) |
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{ |
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struct da8xx_cfgchip_clk_platform_data pdata; |
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pdata.cfgchip = da8xx_get_cfgchip(); |
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da8xx_usb_phy_clks_device.dev.platform_data = &pdata; |
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return platform_device_register(&da8xx_usb_phy_clks_device); |
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}
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