Merge branch 'for-rmk' of git://git.pengutronix.de/git/imx/linux-2.6 into devel-stable

1 files changed, 246 insertions, 1 deletions

diff --git a/arch/arm/mach-mx5/board-mx51_efikamx.c b/arch/arm/mach-mx5/board-mx51_efikamx.c
index 6e623bda3ee7..b7946f8e8d40 100644
--- a/arch/arm/mach-mx5/board-mx51_efikamx.c
+++ b/arch/arm/mach-mx5/board-mx51_efikamx.c
@@ -18,9 +18,13 @@
 #include <linux/platform_device.h>
 #include <linux/i2c.h>
 #include <linux/gpio.h>
+#include <linux/leds.h>
+#include <linux/input.h>
 #include <linux/delay.h>
 #include <linux/io.h>
 #include <linux/fsl_devices.h>
+#include <linux/spi/flash.h>
+#include <linux/spi/spi.h>
 
 #include <mach/common.h>
 #include <mach/hardware.h>
@@ -39,12 +43,81 @@
 
 #define	MX51_USB_PLL_DIV_24_MHZ	0x01
 
-static struct pad_desc mx51efikamx_pads[] = {
+#define EFIKAMX_PCBID0		IMX_GPIO_NR(3, 16)
+#define EFIKAMX_PCBID1		IMX_GPIO_NR(3, 17)
+#define EFIKAMX_PCBID2		IMX_GPIO_NR(3, 11)
+
+#define EFIKAMX_BLUE_LED	IMX_GPIO_NR(3, 13)
+#define EFIKAMX_GREEN_LED	IMX_GPIO_NR(3, 14)
+#define EFIKAMX_RED_LED		IMX_GPIO_NR(3, 15)
+
+#define EFIKAMX_POWER_KEY	IMX_GPIO_NR(2, 31)
+
+#define EFIKAMX_SPI_CS0		IMX_GPIO_NR(4, 24)
+#define EFIKAMX_SPI_CS1		IMX_GPIO_NR(4, 25)
+
+/* board 1.1 doesn't have same reset gpio */
+#define EFIKAMX_RESET1_1	IMX_GPIO_NR(3, 2)
+#define EFIKAMX_RESET		IMX_GPIO_NR(1, 4)
+
+/* the pci ids pin have pull up. they're driven low according to board id */
+#define MX51_PAD_PCBID0	IOMUX_PAD(0x518, 0x130, 3, 0x0,   0, PAD_CTL_PUS_100K_UP)
+#define MX51_PAD_PCBID1	IOMUX_PAD(0x51C, 0x134, 3, 0x0,   0, PAD_CTL_PUS_100K_UP)
+#define MX51_PAD_PCBID2	IOMUX_PAD(0x504, 0x128, 3, 0x0,   0, PAD_CTL_PUS_100K_UP)
+#define MX51_PAD_PWRKEY	IOMUX_PAD(0x48c, 0x0f8, 1, 0x0,   0, PAD_CTL_PUS_100K_UP | PAD_CTL_PKE)
+
+static iomux_v3_cfg_t mx51efikamx_pads[] = {
 	/* UART1 */
 	MX51_PAD_UART1_RXD__UART1_RXD,
 	MX51_PAD_UART1_TXD__UART1_TXD,
 	MX51_PAD_UART1_RTS__UART1_RTS,
 	MX51_PAD_UART1_CTS__UART1_CTS,
+	/* board id */
+	MX51_PAD_PCBID0,
+	MX51_PAD_PCBID1,
+	MX51_PAD_PCBID2,
+
+	/* SD 1 */
+	MX51_PAD_SD1_CMD__SD1_CMD,
+	MX51_PAD_SD1_CLK__SD1_CLK,
+	MX51_PAD_SD1_DATA0__SD1_DATA0,
+	MX51_PAD_SD1_DATA1__SD1_DATA1,
+	MX51_PAD_SD1_DATA2__SD1_DATA2,
+	MX51_PAD_SD1_DATA3__SD1_DATA3,
+
+	/* SD 2 */
+	MX51_PAD_SD2_CMD__SD2_CMD,
+	MX51_PAD_SD2_CLK__SD2_CLK,
+	MX51_PAD_SD2_DATA0__SD2_DATA0,
+	MX51_PAD_SD2_DATA1__SD2_DATA1,
+	MX51_PAD_SD2_DATA2__SD2_DATA2,
+	MX51_PAD_SD2_DATA3__SD2_DATA3,
+
+	/* SD/MMC WP/CD */
+	MX51_PAD_GPIO1_0__SD1_CD,
+	MX51_PAD_GPIO1_1__SD1_WP,
+	MX51_PAD_GPIO1_7__SD2_WP,
+	MX51_PAD_GPIO1_8__SD2_CD,
+
+	/* leds */
+	MX51_PAD_CSI1_D9__GPIO3_13,
+	MX51_PAD_CSI1_VSYNC__GPIO3_14,
+	MX51_PAD_CSI1_HSYNC__GPIO3_15,
+
+	/* power key */
+	MX51_PAD_PWRKEY,
+
+	/* spi */
+	MX51_PAD_CSPI1_MOSI__ECSPI1_MOSI,
+	MX51_PAD_CSPI1_MISO__ECSPI1_MISO,
+	MX51_PAD_CSPI1_SS0__GPIO4_24,
+	MX51_PAD_CSPI1_SS1__GPIO4_25,
+	MX51_PAD_CSPI1_RDY__ECSPI1_RDY,
+	MX51_PAD_CSPI1_SCLK__ECSPI1_SCLK,
+
+	/* reset */
+	MX51_PAD_DI1_PIN13__GPIO3_2,
+	MX51_PAD_GPIO1_4__GPIO1_4,
 };
 
 /* Serial ports */
@@ -75,6 +148,8 @@ static int initialize_otg_port(struct platform_device *pdev)
 	void __iomem *usb_base;
 	void __iomem *usbother_base;
 	usb_base = ioremap(MX51_OTG_BASE_ADDR, SZ_4K);
+	if (!usb_base)
+		return -ENOMEM;
 	usbother_base = (void __iomem *)(usb_base + MX5_USBOTHER_REGS_OFFSET);
 
 	/* Set the PHY clock to 19.2MHz */
@@ -92,12 +167,182 @@ static struct mxc_usbh_platform_data dr_utmi_config = {
 	.flags  = MXC_EHCI_INTERNAL_PHY,
 };
 
+/*   PCBID2  PCBID1 PCBID0  STATE
+	1       1      1    ER1:rev1.1
+	1       1      0    ER2:rev1.2
+	1       0      1    ER3:rev1.3
+	1       0      0    ER4:rev1.4
+*/
+static void __init mx51_efikamx_board_id(void)
+{
+	int id;
+
+	/* things are taking time to settle */
+	msleep(150);
+
+	gpio_request(EFIKAMX_PCBID0, "pcbid0");
+	gpio_direction_input(EFIKAMX_PCBID0);
+	gpio_request(EFIKAMX_PCBID1, "pcbid1");
+	gpio_direction_input(EFIKAMX_PCBID1);
+	gpio_request(EFIKAMX_PCBID2, "pcbid2");
+	gpio_direction_input(EFIKAMX_PCBID2);
+
+	id = gpio_get_value(EFIKAMX_PCBID0);
+	id |= gpio_get_value(EFIKAMX_PCBID1) << 1;
+	id |= gpio_get_value(EFIKAMX_PCBID2) << 2;
+
+	switch (id) {
+	case 7:
+		system_rev = 0x11;
+		break;
+	case 6:
+		system_rev = 0x12;
+		break;
+	case 5:
+		system_rev = 0x13;
+		break;
+	case 4:
+		system_rev = 0x14;
+		break;
+	default:
+		system_rev = 0x10;
+		break;
+	}
+
+	if ((system_rev == 0x10)
+		|| (system_rev == 0x12)
+		|| (system_rev == 0x14)) {
+		printk(KERN_WARNING
+			"EfikaMX: Unsupported board revision 1.%u!\n",
+			system_rev & 0xf);
+	}
+}
+
+static struct gpio_led mx51_efikamx_leds[] = {
+	{
+		.name = "efikamx:green",
+		.default_trigger = "default-on",
+		.gpio = EFIKAMX_GREEN_LED,
+	},
+	{
+		.name = "efikamx:red",
+		.default_trigger = "ide-disk",
+		.gpio = EFIKAMX_RED_LED,
+	},
+	{
+		.name = "efikamx:blue",
+		.default_trigger = "mmc0",
+		.gpio = EFIKAMX_BLUE_LED,
+	},
+};
+
+static struct gpio_led_platform_data mx51_efikamx_leds_data = {
+	.leds = mx51_efikamx_leds,
+	.num_leds = ARRAY_SIZE(mx51_efikamx_leds),
+};
+
+static struct platform_device mx51_efikamx_leds_device = {
+	.name = "leds-gpio",
+	.id = -1,
+	.dev = {
+		.platform_data = &mx51_efikamx_leds_data,
+	},
+};
+
+static struct gpio_keys_button mx51_efikamx_powerkey[] = {
+	{
+		.code = KEY_POWER,
+		.gpio = EFIKAMX_POWER_KEY,
+		.type = EV_PWR,
+		.desc = "Power Button (CM)",
+		.wakeup = 1,
+		.debounce_interval = 10, /* ms */
+	},
+};
+
+static const struct gpio_keys_platform_data mx51_efikamx_powerkey_data __initconst = {
+	.buttons = mx51_efikamx_powerkey,
+	.nbuttons = ARRAY_SIZE(mx51_efikamx_powerkey),
+};
+
+static struct mtd_partition mx51_efikamx_spi_nor_partitions[] = {
+	{
+	 .name = "u-boot",
+	 .offset = 0,
+	 .size = SZ_256K,
+	},
+	{
+	  .name = "config",
+	  .offset = MTDPART_OFS_APPEND,
+	  .size = SZ_64K,
+	},
+};
+
+static struct flash_platform_data mx51_efikamx_spi_flash_data = {
+	.name		= "spi_flash",
+	.parts		= mx51_efikamx_spi_nor_partitions,
+	.nr_parts	= ARRAY_SIZE(mx51_efikamx_spi_nor_partitions),
+	.type		= "sst25vf032b",
+};
+
+static struct spi_board_info mx51_efikamx_spi_board_info[] __initdata = {
+	{
+		.modalias = "m25p80",
+		.max_speed_hz = 25000000,
+		.bus_num = 0,
+		.chip_select = 1,
+		.platform_data = &mx51_efikamx_spi_flash_data,
+		.irq = -1,
+	},
+};
+
+static int mx51_efikamx_spi_cs[] = {
+	EFIKAMX_SPI_CS0,
+	EFIKAMX_SPI_CS1,
+};
+
+static const struct spi_imx_master mx51_efikamx_spi_pdata __initconst = {
+	.chipselect     = mx51_efikamx_spi_cs,
+	.num_chipselect = ARRAY_SIZE(mx51_efikamx_spi_cs),
+};
+
+void mx51_efikamx_reset(void)
+{
+	if (system_rev == 0x11)
+		gpio_direction_output(EFIKAMX_RESET1_1, 0);
+	else
+		gpio_direction_output(EFIKAMX_RESET, 0);
+}
+
 static void __init mxc_board_init(void)
 {
 	mxc_iomux_v3_setup_multiple_pads(mx51efikamx_pads,
 					ARRAY_SIZE(mx51efikamx_pads));
+	mx51_efikamx_board_id();
 	mxc_register_device(&mxc_usbdr_host_device, &dr_utmi_config);
 	mxc_init_imx_uart();
+	imx51_add_sdhci_esdhc_imx(0, NULL);
+
+	/* on < 1.2 boards both SD controllers are used */
+	if (system_rev < 0x12) {
+		imx51_add_sdhci_esdhc_imx(1, NULL);
+		mx51_efikamx_leds[2].default_trigger = "mmc1";
+	}
+
+	platform_device_register(&mx51_efikamx_leds_device);
+	imx51_add_gpio_keys(&mx51_efikamx_powerkey_data);
+
+	spi_register_board_info(mx51_efikamx_spi_board_info,
+		ARRAY_SIZE(mx51_efikamx_spi_board_info));
+	imx51_add_ecspi(0, &mx51_efikamx_spi_pdata);
+
+	if (system_rev == 0x11) {
+		gpio_request(EFIKAMX_RESET1_1, "reset");
+		gpio_direction_output(EFIKAMX_RESET1_1, 1);
+	} else {
+		gpio_request(EFIKAMX_RESET, "reset");
+		gpio_direction_output(EFIKAMX_RESET, 1);
+	}
 }
 
 static void __init mx51_efikamx_timer_init(void)