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Diffstat (limited to 'arch/arm/mach-imx/mach-imx27_visstrim_m10.c')
-rw-r--r--arch/arm/mach-imx/mach-imx27_visstrim_m10.c93
1 files changed, 81 insertions, 12 deletions
diff --git a/arch/arm/mach-imx/mach-imx27_visstrim_m10.c b/arch/arm/mach-imx/mach-imx27_visstrim_m10.c
index f7b074f..ba09552 100644
--- a/arch/arm/mach-imx/mach-imx27_visstrim_m10.c
+++ b/arch/arm/mach-imx/mach-imx27_visstrim_m10.c
@@ -38,6 +38,7 @@
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
+#include <asm/system_info.h>
#include <mach/common.h>
#include <mach/iomux-mx27.h>
@@ -48,6 +49,14 @@
#define OTG_PHY_CS_GPIO (GPIO_PORTF + 17)
#define SDHC1_IRQ IRQ_GPIOB(25)
+#define MOTHERBOARD_BIT2 (GPIO_PORTD + 31)
+#define MOTHERBOARD_BIT1 (GPIO_PORTD + 30)
+#define MOTHERBOARD_BIT0 (GPIO_PORTD + 29)
+
+#define EXPBOARD_BIT2 (GPIO_PORTD + 25)
+#define EXPBOARD_BIT1 (GPIO_PORTD + 27)
+#define EXPBOARD_BIT0 (GPIO_PORTD + 28)
+
static const int visstrim_m10_pins[] __initconst = {
/* UART1 (console) */
PE12_PF_UART1_TXD,
@@ -107,6 +116,8 @@ static const int visstrim_m10_pins[] __initconst = {
PB23_PF_USB_PWR,
PB24_PF_USB_OC,
/* CSI */
+ TVP5150_RSTN | GPIO_GPIO | GPIO_OUT,
+ TVP5150_PWDN | GPIO_GPIO | GPIO_OUT,
PB10_PF_CSI_D0,
PB11_PF_CSI_D1,
PB12_PF_CSI_D2,
@@ -119,6 +130,41 @@ static const int visstrim_m10_pins[] __initconst = {
PB19_PF_CSI_D7,
PB20_PF_CSI_VSYNC,
PB21_PF_CSI_HSYNC,
+ /* mother board version */
+ MOTHERBOARD_BIT2 | GPIO_GPIO | GPIO_IN | GPIO_PUEN,
+ MOTHERBOARD_BIT1 | GPIO_GPIO | GPIO_IN | GPIO_PUEN,
+ MOTHERBOARD_BIT0 | GPIO_GPIO | GPIO_IN | GPIO_PUEN,
+ /* expansion board version */
+ EXPBOARD_BIT2 | GPIO_GPIO | GPIO_IN | GPIO_PUEN,
+ EXPBOARD_BIT1 | GPIO_GPIO | GPIO_IN | GPIO_PUEN,
+ EXPBOARD_BIT0 | GPIO_GPIO | GPIO_IN | GPIO_PUEN,
+};
+
+static struct gpio visstrim_m10_version_gpios[] = {
+ { EXPBOARD_BIT0, GPIOF_IN, "exp-version-0" },
+ { EXPBOARD_BIT1, GPIOF_IN, "exp-version-1" },
+ { EXPBOARD_BIT2, GPIOF_IN, "exp-version-2" },
+ { MOTHERBOARD_BIT0, GPIOF_IN, "mother-version-0" },
+ { MOTHERBOARD_BIT1, GPIOF_IN, "mother-version-1" },
+ { MOTHERBOARD_BIT2, GPIOF_IN, "mother-version-2" },
+};
+
+static const struct gpio visstrim_m10_gpios[] __initconst = {
+ {
+ .gpio = TVP5150_RSTN,
+ .flags = GPIOF_DIR_OUT | GPIOF_INIT_HIGH,
+ .label = "tvp5150_rstn",
+ },
+ {
+ .gpio = TVP5150_PWDN,
+ .flags = GPIOF_DIR_OUT | GPIOF_INIT_LOW,
+ .label = "tvp5150_pwdn",
+ },
+ {
+ .gpio = OTG_PHY_CS_GPIO,
+ .flags = GPIOF_DIR_OUT | GPIOF_INIT_LOW,
+ .label = "usbotg_cs",
+ },
};
/* Camera */
@@ -152,7 +198,7 @@ static struct soc_camera_link iclink_tvp5150 = {
static struct mx2_camera_platform_data visstrim_camera = {
.flags = MX2_CAMERA_CCIR | MX2_CAMERA_CCIR_INTERLACE |
- MX2_CAMERA_SWAP16 | MX2_CAMERA_PCLK_SAMPLE_RISING,
+ MX2_CAMERA_PCLK_SAMPLE_RISING,
.clk = 100000,
};
@@ -164,13 +210,6 @@ static void __init visstrim_camera_init(void)
struct platform_device *pdev;
int dma;
- /* Initialize tvp5150 gpios */
- mxc_gpio_mode(TVP5150_RSTN | GPIO_GPIO | GPIO_OUT);
- mxc_gpio_mode(TVP5150_PWDN | GPIO_GPIO | GPIO_OUT);
- gpio_set_value(TVP5150_RSTN, 1);
- gpio_set_value(TVP5150_PWDN, 0);
- ndelay(1);
-
gpio_set_value(TVP5150_PWDN, 1);
ndelay(1);
gpio_set_value(TVP5150_RSTN, 0);
@@ -351,10 +390,6 @@ static struct i2c_board_info visstrim_m10_i2c_devices[] = {
/* USB OTG */
static int otg_phy_init(struct platform_device *pdev)
{
- gpio_set_value(OTG_PHY_CS_GPIO, 0);
-
- mdelay(10);
-
return mx27_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED);
}
@@ -369,17 +404,51 @@ static const struct imx_ssi_platform_data visstrim_m10_ssi_pdata __initconst = {
.flags = IMX_SSI_DMA | IMX_SSI_SYN,
};
+static void __init visstrim_m10_revision(void)
+{
+ int exp_version = 0;
+ int mo_version = 0;
+ int ret;
+
+ ret = gpio_request_array(visstrim_m10_version_gpios,
+ ARRAY_SIZE(visstrim_m10_version_gpios));
+ if (ret) {
+ pr_err("Failed to request version gpios");
+ return;
+ }
+
+ /* Get expansion board version (negative logic) */
+ exp_version |= !gpio_get_value(EXPBOARD_BIT2) << 2;
+ exp_version |= !gpio_get_value(EXPBOARD_BIT1) << 1;
+ exp_version |= !gpio_get_value(EXPBOARD_BIT0);
+
+ /* Get mother board version (negative logic) */
+ mo_version |= !gpio_get_value(MOTHERBOARD_BIT2) << 2;
+ mo_version |= !gpio_get_value(MOTHERBOARD_BIT1) << 1;
+ mo_version |= !gpio_get_value(MOTHERBOARD_BIT0);
+
+ system_rev = 0x27000;
+ system_rev |= (mo_version << 4);
+ system_rev |= exp_version;
+}
+
static void __init visstrim_m10_board_init(void)
{
int ret;
imx27_soc_init();
+ visstrim_m10_revision();
ret = mxc_gpio_setup_multiple_pins(visstrim_m10_pins,
ARRAY_SIZE(visstrim_m10_pins), "VISSTRIM_M10");
if (ret)
pr_err("Failed to setup pins (%d)\n", ret);
+ ret = gpio_request_array(visstrim_m10_gpios,
+ ARRAY_SIZE(visstrim_m10_gpios));
+ if (ret)
+ pr_err("Failed to request gpios (%d)\n", ret);
+
imx27_add_imx_ssi(0, &visstrim_m10_ssi_pdata);
imx27_add_imx_uart0(&uart_pdata);