forked from Minki/linux
ARM: mach-shmobile: mackerel: Add sdhi support
Signed-off-by: Yusuke Goda <yusuke.goda.sx@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Yusuke Goda
Paul Mundt
parent
cd8ab0041d
commit
6dff7da2ad
@ -31,6 +31,9 @@
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#include <linux/io.h>
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#include <linux/i2c.h>
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#include <linux/leds.h>
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#include <linux/mfd/sh_mobile_sdhi.h>
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#include <linux/mfd/tmio.h>
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#include <linux/mmc/host.h>
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/partitions.h>
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#include <linux/mtd/physmap.h>
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@ -138,6 +141,38 @@
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* CN31 is used as Host in Linux.
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*/
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/*
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* SDHI0 (CN12)
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*
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* SW56 : OFF
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*
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*/
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/* MMC /SDHI1 (CN7)
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*
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* I/O voltage : 1.8v
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*
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* Power voltage : 1.8v or 3.3v
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* J22 : select power voltage
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* 1-2 pin : 1.8v
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* 2-3 pin : 3.3v
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*
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* SW1 | SW33
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* | bit1 | bit2 | bit3 | bit4
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* -------------+------+------+------+-------
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* MMC0 OFF | OFF | ON | ON | X
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* MMC1 ON | OFF | ON | X | ON
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* SDHI1 OFF | ON | X | OFF | ON
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*
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*/
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/*
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* SDHI2 (CN23)
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*
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* microSD card sloct
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*
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*/
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/*
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* FIXME !!
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*
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@ -404,6 +439,114 @@ static struct platform_device fsi_ak4643_device = {
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.name = "sh_fsi2_a_ak4643",
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};
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/*
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* The card detect pin of the top SD/MMC slot (CN7) is active low and is
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* connected to GPIO A22 of SH7372 (GPIO_PORT41).
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*/
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static int slot_cn7_get_cd(struct platform_device *pdev)
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{
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if (gpio_is_valid(GPIO_PORT41))
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return !gpio_get_value(GPIO_PORT41);
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else
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return -ENXIO;
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}
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/* SDHI0 */
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static struct sh_mobile_sdhi_info sdhi0_info = {
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.dma_slave_tx = SHDMA_SLAVE_SDHI0_TX,
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.dma_slave_rx = SHDMA_SLAVE_SDHI0_RX,
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.tmio_caps = MMC_CAP_SD_HIGHSPEED,
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};
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static struct resource sdhi0_resources[] = {
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[0] = {
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.name = "SDHI0",
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.start = 0xe6850000,
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.end = 0xe68501ff,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = evt2irq(0x0e00) /* SDHI0 */,
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device sdhi0_device = {
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.name = "sh_mobile_sdhi",
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.num_resources = ARRAY_SIZE(sdhi0_resources),
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.resource = sdhi0_resources,
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.id = 0,
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.dev = {
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.platform_data = &sdhi0_info,
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},
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};
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/* SDHI1 */
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static struct sh_mobile_sdhi_info sdhi1_info = {
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.dma_slave_tx = SHDMA_SLAVE_SDHI1_TX,
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.dma_slave_rx = SHDMA_SLAVE_SDHI1_RX,
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.tmio_ocr_mask = MMC_VDD_165_195,
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.tmio_flags = TMIO_MMC_WRPROTECT_DISABLE,
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.tmio_caps = MMC_CAP_SD_HIGHSPEED |
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MMC_CAP_NEEDS_POLL,
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.get_cd = slot_cn7_get_cd,
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};
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static struct resource sdhi1_resources[] = {
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[0] = {
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.name = "SDHI1",
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.start = 0xe6860000,
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.end = 0xe68601ff,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = evt2irq(0x0e80),
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device sdhi1_device = {
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.name = "sh_mobile_sdhi",
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.num_resources = ARRAY_SIZE(sdhi1_resources),
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.resource = sdhi1_resources,
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.id = 1,
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.dev = {
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.platform_data = &sdhi1_info,
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},
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};
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/* SDHI2 */
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static struct sh_mobile_sdhi_info sdhi2_info = {
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.dma_slave_tx = SHDMA_SLAVE_SDHI2_TX,
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.dma_slave_rx = SHDMA_SLAVE_SDHI2_RX,
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.tmio_flags = TMIO_MMC_WRPROTECT_DISABLE,
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.tmio_caps = MMC_CAP_SD_HIGHSPEED |
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MMC_CAP_NEEDS_POLL,
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};
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static struct resource sdhi2_resources[] = {
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[0] = {
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.name = "SDHI2",
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.start = 0xe6870000,
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.end = 0xe68701ff,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = evt2irq(0x1200),
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device sdhi2_device = {
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.name = "sh_mobile_sdhi",
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.num_resources = ARRAY_SIZE(sdhi2_resources),
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.resource = sdhi2_resources,
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.id = 2,
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.dev = {
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.platform_data = &sdhi2_info,
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},
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};
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static struct platform_device *mackerel_devices[] __initdata = {
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&nor_flash_device,
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&smc911x_device,
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@ -412,6 +555,9 @@ static struct platform_device *mackerel_devices[] __initdata = {
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&leds_device,
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&fsi_device,
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&fsi_ak4643_device,
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&sdhi0_device,
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&sdhi1_device,
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&sdhi2_device,
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};
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/* Keypad Initialization */
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@ -567,6 +713,35 @@ static void __init mackerel_init(void)
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gpio_request(GPIO_FN_IRQ21, NULL);
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set_irq_type(IRQ21, IRQ_TYPE_LEVEL_HIGH);
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/* enable SDHI0 */
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gpio_request(GPIO_FN_SDHICD0, NULL);
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gpio_request(GPIO_FN_SDHIWP0, NULL);
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gpio_request(GPIO_FN_SDHICMD0, NULL);
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gpio_request(GPIO_FN_SDHICLK0, NULL);
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gpio_request(GPIO_FN_SDHID0_3, NULL);
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gpio_request(GPIO_FN_SDHID0_2, NULL);
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gpio_request(GPIO_FN_SDHID0_1, NULL);
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gpio_request(GPIO_FN_SDHID0_0, NULL);
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/* enable SDHI1 */
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gpio_request(GPIO_FN_SDHICMD1, NULL);
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gpio_request(GPIO_FN_SDHICLK1, NULL);
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gpio_request(GPIO_FN_SDHID1_3, NULL);
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gpio_request(GPIO_FN_SDHID1_2, NULL);
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gpio_request(GPIO_FN_SDHID1_1, NULL);
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gpio_request(GPIO_FN_SDHID1_0, NULL);
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/* card detect pin for MMC slot (CN7) */
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gpio_request(GPIO_PORT41, NULL);
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gpio_direction_input(GPIO_PORT41);
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/* enable SDHI2 */
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gpio_request(GPIO_FN_SDHICMD2, NULL);
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gpio_request(GPIO_FN_SDHICLK2, NULL);
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gpio_request(GPIO_FN_SDHID2_3, NULL);
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gpio_request(GPIO_FN_SDHID2_2, NULL);
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gpio_request(GPIO_FN_SDHID2_1, NULL);
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gpio_request(GPIO_FN_SDHID2_0, NULL);
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i2c_register_board_info(0, i2c0_devices,
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ARRAY_SIZE(i2c0_devices));
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i2c_register_board_info(1, i2c1_devices,
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