Commit 18847b42 authored by Javier Martin's avatar Javier Martin Committed by Sascha Hauer

ARM i.MX27 Visstrim M10: fix gpio handling.

Some GPIOs in Visstrim M10 are used without being registered.
This leads to USB and video malfunctions. This patch registers
those GPIOs to solve the issue.
Signed-off-by: default avatarJavier Martin <javier.martin@vista-silicon.com>
Signed-off-by: default avatarSascha Hauer <s.hauer@pengutronix.de>
parent f90da3c7
......@@ -107,6 +107,8 @@ 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,
......@@ -121,6 +123,24 @@ static const int visstrim_m10_pins[] __initconst = {
PB21_PF_CSI_HSYNC,
};
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 */
static int visstrim_camera_power(struct device *dev, int on)
{
......@@ -164,13 +184,6 @@ 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 +364,6 @@ 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);
}
......@@ -380,6 +389,11 @@ static void __init visstrim_m10_board_init(void)
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);
......
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