ARM: mach-shmobile: mackerel: Add sdhi support (6dff7da2) · Commits · 戴 / test

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

+175 −0

Original line number	Diff line number	Diff line
		@@ -31,6 +31,9 @@
		#include <linux/io.h>
		#include <linux/i2c.h>
		#include <linux/leds.h>
		#include <linux/mfd/sh_mobile_sdhi.h>
		#include <linux/mfd/tmio.h>
		#include <linux/mmc/host.h>
		#include <linux/mtd/mtd.h>
		#include <linux/mtd/partitions.h>
		#include <linux/mtd/physmap.h>
		@@ -138,6 +141,38 @@
		* CN31 is used as Host in Linux.
		*/

		/*
		* SDHI0 (CN12)
		*
		* SW56 : OFF
		*
		*/

		/* MMC /SDHI1 (CN7)
		*
		* I/O voltage : 1.8v
		*
		* Power voltage : 1.8v or 3.3v
		* J22 : select power voltage
		* 1-2 pin : 1.8v
		* 2-3 pin : 3.3v
		*
		* SW1 \| SW33
		* \| bit1 \| bit2 \| bit3 \| bit4
		* -------------+------+------+------+-------
		* MMC0 OFF \| OFF \| ON \| ON \| X
		* MMC1 ON \| OFF \| ON \| X \| ON
		* SDHI1 OFF \| ON \| X \| OFF \| ON
		*
		*/

		/*
		* SDHI2 (CN23)
		*
		* microSD card sloct
		*
		*/

		/*
		* FIXME !!
		*
		@@ -404,6 +439,114 @@ static struct platform_device fsi_ak4643_device = {
		.name = "sh_fsi2_a_ak4643",
		};

		/*
		* The card detect pin of the top SD/MMC slot (CN7) is active low and is
		* connected to GPIO A22 of SH7372 (GPIO_PORT41).
		*/
		static int slot_cn7_get_cd(struct platform_device *pdev)
		{
		if (gpio_is_valid(GPIO_PORT41))
		return !gpio_get_value(GPIO_PORT41);
		else
		return -ENXIO;
		}

		/* SDHI0 */
		static struct sh_mobile_sdhi_info sdhi0_info = {
		.dma_slave_tx = SHDMA_SLAVE_SDHI0_TX,
		.dma_slave_rx = SHDMA_SLAVE_SDHI0_RX,
		.tmio_caps = MMC_CAP_SD_HIGHSPEED,
		};

		static struct resource sdhi0_resources[] = {
		[0] = {
		.name = "SDHI0",
		.start = 0xe6850000,
		.end = 0xe68501ff,
		.flags = IORESOURCE_MEM,
		},
		[1] = {
		.start = evt2irq(0x0e00) /* SDHI0 */,
		.flags = IORESOURCE_IRQ,
		},
		};

		static struct platform_device sdhi0_device = {
		.name = "sh_mobile_sdhi",
		.num_resources = ARRAY_SIZE(sdhi0_resources),
		.resource = sdhi0_resources,
		.id = 0,
		.dev = {
		.platform_data = &sdhi0_info,
		},
		};

		/* SDHI1 */
		static struct sh_mobile_sdhi_info sdhi1_info = {
		.dma_slave_tx = SHDMA_SLAVE_SDHI1_TX,
		.dma_slave_rx = SHDMA_SLAVE_SDHI1_RX,
		.tmio_ocr_mask = MMC_VDD_165_195,
		.tmio_flags = TMIO_MMC_WRPROTECT_DISABLE,
		.tmio_caps = MMC_CAP_SD_HIGHSPEED \|
		MMC_CAP_NEEDS_POLL,
		.get_cd = slot_cn7_get_cd,
		};

		static struct resource sdhi1_resources[] = {
		[0] = {
		.name = "SDHI1",
		.start = 0xe6860000,
		.end = 0xe68601ff,
		.flags = IORESOURCE_MEM,
		},
		[1] = {
		.start = evt2irq(0x0e80),
		.flags = IORESOURCE_IRQ,
		},
		};

		static struct platform_device sdhi1_device = {
		.name = "sh_mobile_sdhi",
		.num_resources = ARRAY_SIZE(sdhi1_resources),
		.resource = sdhi1_resources,
		.id = 1,
		.dev = {
		.platform_data = &sdhi1_info,
		},
		};

		/* SDHI2 */
		static struct sh_mobile_sdhi_info sdhi2_info = {
		.dma_slave_tx = SHDMA_SLAVE_SDHI2_TX,
		.dma_slave_rx = SHDMA_SLAVE_SDHI2_RX,
		.tmio_flags = TMIO_MMC_WRPROTECT_DISABLE,
		.tmio_caps = MMC_CAP_SD_HIGHSPEED \|
		MMC_CAP_NEEDS_POLL,
		};

		static struct resource sdhi2_resources[] = {
		[0] = {
		.name = "SDHI2",
		.start = 0xe6870000,
		.end = 0xe68701ff,
		.flags = IORESOURCE_MEM,
		},
		[1] = {
		.start = evt2irq(0x1200),
		.flags = IORESOURCE_IRQ,
		},
		};

		static struct platform_device sdhi2_device = {
		.name = "sh_mobile_sdhi",
		.num_resources = ARRAY_SIZE(sdhi2_resources),
		.resource = sdhi2_resources,
		.id = 2,
		.dev = {
		.platform_data = &sdhi2_info,
		},
		};

		static struct platform_device *mackerel_devices[] __initdata = {
		&nor_flash_device,
		&smc911x_device,
		@@ -412,6 +555,9 @@ static struct platform_device *mackerel_devices[] __initdata = {
		&leds_device,
		&fsi_device,
		&fsi_ak4643_device,
		&sdhi0_device,
		&sdhi1_device,
		&sdhi2_device,
		};

		/* Keypad Initialization */
		@@ -567,6 +713,35 @@ static void __init mackerel_init(void)
		gpio_request(GPIO_FN_IRQ21, NULL);
		set_irq_type(IRQ21, IRQ_TYPE_LEVEL_HIGH);

		/* enable SDHI0 */
		gpio_request(GPIO_FN_SDHICD0, NULL);
		gpio_request(GPIO_FN_SDHIWP0, NULL);
		gpio_request(GPIO_FN_SDHICMD0, NULL);
		gpio_request(GPIO_FN_SDHICLK0, NULL);
		gpio_request(GPIO_FN_SDHID0_3, NULL);
		gpio_request(GPIO_FN_SDHID0_2, NULL);
		gpio_request(GPIO_FN_SDHID0_1, NULL);
		gpio_request(GPIO_FN_SDHID0_0, NULL);

		/* enable SDHI1 */
		gpio_request(GPIO_FN_SDHICMD1, NULL);
		gpio_request(GPIO_FN_SDHICLK1, NULL);
		gpio_request(GPIO_FN_SDHID1_3, NULL);
		gpio_request(GPIO_FN_SDHID1_2, NULL);
		gpio_request(GPIO_FN_SDHID1_1, NULL);
		gpio_request(GPIO_FN_SDHID1_0, NULL);
		/* card detect pin for MMC slot (CN7) */
		gpio_request(GPIO_PORT41, NULL);
		gpio_direction_input(GPIO_PORT41);

		/* enable SDHI2 */
		gpio_request(GPIO_FN_SDHICMD2, NULL);
		gpio_request(GPIO_FN_SDHICLK2, NULL);
		gpio_request(GPIO_FN_SDHID2_3, NULL);
		gpio_request(GPIO_FN_SDHID2_2, NULL);
		gpio_request(GPIO_FN_SDHID2_1, NULL);
		gpio_request(GPIO_FN_SDHID2_0, NULL);

		i2c_register_board_info(0, i2c0_devices,
		ARRAY_SIZE(i2c0_devices));
		i2c_register_board_info(1, i2c1_devices,

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