sh: MSIOF/mmc_spi platform data for the Ecovec24 board
diff mbox

Message ID 20091207140545.6294.90256.sendpatchset@rxone.opensource.se
State Not Applicable
Headers show

Commit Message

Magnus Damm Dec. 7, 2009, 2:05 p.m. UTC
None

Patch
diff mbox

--- 0001/arch/sh/boards/mach-ecovec24/setup.c
+++ work/arch/sh/boards/mach-ecovec24/setup.c	2009-12-07 22:37:51.000000000 +0900
@@ -19,6 +19,10 @@ 
 #include <linux/usb/r8a66597.h>
 #include <linux/i2c.h>
 #include <linux/i2c/tsc2007.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/sh_msiof.h>
+#include <linux/spi/mmc_spi.h>
+#include <linux/mmc/host.h>
 #include <linux/input.h>
 #include <linux/input/sh_keysc.h>
 #include <linux/mfd/sh_mobile_sdhi.h>
@@ -421,6 +425,7 @@  static struct i2c_board_info ts_i2c_clie
 	.irq		= IRQ0,
 };
 
+#ifdef CONFIG_MFD_SH_MOBILE_SDHI
 /* SHDI0 */
 static void sdhi0_set_pwr(struct platform_device *pdev, int state)
 {
@@ -493,6 +498,73 @@  static struct platform_device sdhi1_devi
 	},
 };
 
+#else
+
+static int mmc_spi_get_ro(struct device *dev)
+{
+	return gpio_get_value(GPIO_PTY6);
+}
+
+static int mmc_spi_get_cd(struct device *dev)
+{
+	return !gpio_get_value(GPIO_PTY7);
+}
+
+static void mmc_spi_setpower(struct device *dev, unsigned int maskval)
+{
+	gpio_set_value(GPIO_PTB6, maskval ? 1 : 0);
+}
+
+static struct mmc_spi_platform_data mmc_spi_info = {
+	.get_ro = mmc_spi_get_ro,
+	.get_cd = mmc_spi_get_cd,
+	.caps = MMC_CAP_NEEDS_POLL,
+	.ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34, /* 3.3V only */
+	.setpower = mmc_spi_setpower,
+};
+
+static struct spi_board_info spi_bus[] = {
+	{
+		.modalias	= "mmc_spi",
+		.platform_data	= &mmc_spi_info,
+		.max_speed_hz	= 5000000,
+		.mode		= SPI_MODE_0,
+		.controller_data = (void *) GPIO_PTM4,
+	},
+};
+
+static struct sh_msiof_spi_info msiof0_data = {
+	.num_chipselect = 1,
+};
+
+static struct resource msiof0_resources[] = {
+	[0] = {
+		.name	= "MSIOF0",
+		.start	= 0xa4c40000,
+		.end	= 0xa4c40063,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= 84,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device msiof0_device = {
+	.name		= "spi_sh_msiof",
+	.id		= 0, /* MSIOF0 */
+	.dev = {
+		.platform_data = &msiof0_data,
+	},
+	.num_resources	= ARRAY_SIZE(msiof0_resources),
+	.resource	= msiof0_resources,
+	.archdata = {
+		.hwblk_id = HWBLK_MSIOF0,
+	},
+};
+
+#endif
+
 static struct platform_device *ecovec_devices[] __initdata = {
 	&heartbeat_device,
 	&nor_flash_device,
@@ -503,8 +575,12 @@  static struct platform_device *ecovec_de
 	&ceu0_device,
 	&ceu1_device,
 	&keysc_device,
+#ifdef CONFIG_MFD_SH_MOBILE_SDHI
 	&sdhi0_device,
 	&sdhi1_device,
+#else
+	&msiof0_device,
+#endif
 };
 
 #define EEPROM_ADDR 0x50
@@ -773,7 +849,8 @@  static int __init arch_setup(void)
 	gpio_direction_input(GPIO_PTR5);
 	gpio_direction_input(GPIO_PTR6);
 
-	/* enable SDHI0 (needs DS2.4 set to ON) */
+#ifdef CONFIG_MFD_SH_MOBILE_SDHI
+	/* enable SDHI0 on CN11 (needs DS2.4 set to ON) */
 	gpio_request(GPIO_FN_SDHI0CD,  NULL);
 	gpio_request(GPIO_FN_SDHI0WP,  NULL);
 	gpio_request(GPIO_FN_SDHI0CMD, NULL);
@@ -785,7 +862,7 @@  static int __init arch_setup(void)
 	gpio_request(GPIO_PTB6, NULL);
 	gpio_direction_output(GPIO_PTB6, 0);
 
-	/* enable SDHI1 (needs DS2.6,7 set to ON,OFF) */
+	/* enable SDHI1 on CN12 (needs DS2.6,7 set to ON,OFF) */
 	gpio_request(GPIO_FN_SDHI1CD,  NULL);
 	gpio_request(GPIO_FN_SDHI1WP,  NULL);
 	gpio_request(GPIO_FN_SDHI1CMD, NULL);
@@ -799,6 +876,22 @@  static int __init arch_setup(void)
 
 	/* I/O buffer drive ability is high for SDHI1 */
 	ctrl_outw((ctrl_inw(IODRIVEA) & ~0x3000) | 0x2000 , IODRIVEA);
+#else
+	/* enable MSIOF0 on CN11 (needs DS2.4 set to OFF) */
+	gpio_request(GPIO_FN_MSIOF0_TXD, NULL);
+	gpio_request(GPIO_FN_MSIOF0_RXD, NULL);
+	gpio_request(GPIO_FN_MSIOF0_TSCK, NULL);
+	gpio_request(GPIO_PTM4, NULL); /* software CS control of TSYNC pin */
+	gpio_direction_output(GPIO_PTM4, 1); /* active low CS */
+	gpio_request(GPIO_PTB6, NULL); /* 3.3V power control */
+	gpio_direction_output(GPIO_PTB6, 0); /* disable power by default */
+	gpio_request(GPIO_PTY6, NULL); /* write protect */
+	gpio_direction_input(GPIO_PTY6);
+	gpio_request(GPIO_PTY7, NULL); /* card detect */
+	gpio_direction_input(GPIO_PTY7);
+
+	spi_register_board_info(spi_bus, ARRAY_SIZE(spi_bus));
+#endif
 
 	/* enable I2C device */
 	i2c_register_board_info(1, i2c1_devices,