sh: Add USB support for EcoVec24 (907050a3) · Commits · e / devices / android_kernel_oneplus_sm8150

arch/sh/boards/mach-ecovec24/setup.c

+97 −0

Original line number	Diff line number	Diff line
		@@ -16,6 +16,7 @@
		#include <linux/interrupt.h>
		#include <linux/io.h>
		#include <linux/delay.h>
		#include <linux/usb/r8a66597.h>
		#include <asm/heartbeat.h>
		#include <asm/sh_eth.h>
		#include <cpu/sh7724.h>
		@@ -126,10 +127,96 @@ static struct platform_device sh_eth_device = {
		.resource = sh_eth_resources,
		};

		/* USB0 host */
		void usb0_port_power(int port, int power)
		{
		gpio_set_value(GPIO_PTB4, power);
		}

		static struct r8a66597_platdata usb0_host_data = {
		.on_chip = 1,
		.port_power = usb0_port_power,
		};

		static struct resource usb0_host_resources[] = {
		[0] = {
		.start = 0xa4d80000,
		.end = 0xa4d80124 - 1,
		.flags = IORESOURCE_MEM,
		},
		[1] = {
		.start = 65,
		.end = 65,
		.flags = IORESOURCE_IRQ \| IRQF_TRIGGER_LOW,
		},
		};

		static struct platform_device usb0_host_device = {
		.name = "r8a66597_hcd",
		.id = 0,
		.dev = {
		.dma_mask = NULL, /* not use dma */
		.coherent_dma_mask = 0xffffffff,
		.platform_data = &usb0_host_data,
		},
		.num_resources = ARRAY_SIZE(usb0_host_resources),
		.resource = usb0_host_resources,
		};

		/*
		* USB1
		*
		* CN5 can use both host/function,
		* and we can determine it by checking PTB[3]
		*
		* This time only USB1 host is supported.
		*/
		void usb1_port_power(int port, int power)
		{
		if (!gpio_get_value(GPIO_PTB3)) {
		printk(KERN_ERR "USB1 function is not supported\n");
		return;
		}

		gpio_set_value(GPIO_PTB5, power);
		}

		static struct r8a66597_platdata usb1_host_data = {
		.on_chip = 1,
		.port_power = usb1_port_power,
		};

		static struct resource usb1_host_resources[] = {
		[0] = {
		.start = 0xa4d90000,
		.end = 0xa4d90124 - 1,
		.flags = IORESOURCE_MEM,
		},
		[1] = {
		.start = 66,
		.end = 66,
		.flags = IORESOURCE_IRQ \| IRQF_TRIGGER_LOW,
		},
		};

		static struct platform_device usb1_host_device = {
		.name = "r8a66597_hcd",
		.id = 1,
		.dev = {
		.dma_mask = NULL, /* not use dma */
		.coherent_dma_mask = 0xffffffff,
		.platform_data = &usb1_host_data,
		},
		.num_resources = ARRAY_SIZE(usb1_host_resources),
		.resource = usb1_host_resources,
		};

		static struct platform_device *ecovec_devices[] __initdata = {
		&heartbeat_device,
		&nor_flash_device,
		&sh_eth_device,
		&usb0_host_device,
		&usb1_host_device, /* USB1 host support */
		};

		static int __init devices_setup(void)
		@@ -165,6 +252,16 @@ static int __init devices_setup(void)
		gpio_request(GPIO_FN_MDC, NULL);
		gpio_request(GPIO_FN_LNKSTA, NULL);

		/* enable USB */
		gpio_request(GPIO_PTB3, NULL);
		gpio_request(GPIO_PTB4, NULL);
		gpio_request(GPIO_PTB5, NULL);
		gpio_direction_input(GPIO_PTB3);
		gpio_direction_output(GPIO_PTB4, 0);
		gpio_direction_output(GPIO_PTB5, 0);
		ctrl_outw(0x0600, 0xa40501d4);
		ctrl_outw(0x0600, 0xa4050192);

		return platform_add_devices(ecovec_devices,
		ARRAY_SIZE(ecovec_devices));
		}