ARM: mach-shmobile: mackerel: Add USB1(Host) support (25338f2e) · Commits · e / devices / android_kernel_fairphone_FP3

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

+68 −1

Original line number	Diff line number	Diff line
		@@ -33,6 +33,7 @@
		#include <linux/mtd/partitions.h>
		#include <linux/mtd/physmap.h>
		#include <linux/smsc911x.h>
		#include <linux/usb/r8a66597.h>

		#include <video/sh_mobile_lcdc.h>

		@@ -114,7 +115,21 @@
		* IRQ9 \| ICR2A.IRQ9SA=0010 \| KEY(TCA6408) \| Low
		* IRQ21 \| ICR4A.IRQ21SA=0011 \| Sensor(ADXL345) \| High
		* IRQ22 \| ICR4A.IRQ22SA=0011 \| Sensor(AK8975) \| High
		*/

		/*
		* USB
		*
		* USB0 : CN22 : Function
		* USB1 : CN31 : Function/Host *1
		*
		* J30 (for CN31) *1
		* ----------+---------------+-------------
		* 1-2 short \| VBUS 5V \| Host
		* open \| external VBUS \| Function
		*
		* *1
		* CN31 is used as Host in Linux.
		*/

		/* MTD */
		@@ -254,10 +269,51 @@ static struct platform_device lcdc_device = {
		},
		};

		/* USB1 (Host) */
		static void usb1_host_port_power(int port, int power)
		{
		if (!power) /* only power-on is 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 = evt2irq(0x1ce0) /* USB1_USB1I0 */,
		.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 *mackerel_devices[] __initdata = {
		&nor_flash_device,
		&smc911x_device,
		&lcdc_device,
		&usb1_host_device,
		};

		static struct map_desc mackerel_io_desc[] __initdata = {
		@@ -327,6 +383,17 @@ static void __init mackerel_init(void)
		gpio_request(GPIO_PORT151, NULL); /* LCDDON */
		gpio_direction_output(GPIO_PORT151, 1);

		/* 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();