ARM: mach-shmobile: ap4evb: Add USB host support (fb54d268) · Commits · e / devices / android_kernel_teracube_2e

arch/arm/mach-shmobile/board-ap4evb.c

+63 −0

Original line number	Diff line number	Diff line
		@@ -33,6 +33,7 @@
		#include <linux/gpio.h>
		#include <linux/input.h>
		#include <linux/input/sh_keysc.h>
		#include <linux/usb/r8a66597.h>
		#include <mach/common.h>
		#include <mach/sh7372.h>
		#include <asm/mach-types.h>
		@@ -94,6 +95,15 @@
		* OFF \| KEY / IrDA / IRQ \| IRQ \|
		*/

		/*
		* USB
		*
		* J7 : 1-2 MAX3355E VBUS
		* 2-3 DC 5.0V
		*
		* S39: bit2: off
		*/

		/* MTD */
		static struct mtd_partition nor_flash_partitions[] = {
		{
		@@ -233,11 +243,53 @@ static struct platform_device sdhi0_device = {
		.id = 0,
		};

		/* USB1 */
		void usb1_host_port_power(int port, int power)
		{
		if (!power) /* only power-on supported for now */
		return;

		/* set VBOUT/PWEN and EXTLP1 in DVSTCTR */
		__raw_writew(__raw_readw(0xE68B0008) \| 0x600, 0xE68B0008);
		}

		static struct r8a66597_platdata usb1_host_data = {
		.on_chip = 1,
		.port_power = usb1_host_port_power,
		};

		static struct resource usb1_host_resources[] = {
		[0] = {
		.name = "USBHS",
		.start = 0xE68B0000,
		.end = 0xE68B00E6 - 1,
		.flags = IORESOURCE_MEM,
		},
		[1] = {
		.start = 215,
		.end = 215,
		.flags = IORESOURCE_IRQ,
		},
		};

		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 *ap4evb_devices[] __initdata = {
		&nor_flash_device,
		&smc911x_device,
		&keysc_device,
		&sdhi0_device,
		&usb1_host_device,
		};

		/* TouchScreen (Needs SW3 set to OFF) */
		@@ -351,6 +403,17 @@ static void __init ap4evb_init(void)
		i2c_register_board_info(1, i2c1_devices,
		ARRAY_SIZE(i2c1_devices));

		/* USB enable */
		gpio_request(GPIO_FN_VBUS0_1, NULL);
		gpio_request(GPIO_FN_IDIN_1_18, NULL);
		gpio_request(GPIO_FN_PWEN_1_115, NULL);
		gpio_request(GPIO_FN_OVCN_1_114, NULL);
		gpio_request(GPIO_FN_EXTLP_1, NULL);
		gpio_request(GPIO_FN_OVCN2_1, NULL);

		/* setup USB phy */
		__raw_writew(0x8a0a, 0xE6058130); /* USBCR2 */

		sh7372_add_standard_devices();

		platform_add_devices(ap4evb_devices, ARRAY_SIZE(ap4evb_devices));