ARM: tegra: move pinmux table to DT for vcm30-t124

Move pinmux table to DT for vcm30-t124.
Also move the pca registration to board-vcm30_t124-power.c
to get rid of file board-vcm30_t124-pinmux.c.

Change-Id: I4f526ad96c4e87127a8d7145fff1077ae6b92a59
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Reviewed-on: http://git-master/r/353245
GVS: Gerrit_Virtual_Submit

1 files changed, 76 insertions, 0 deletions

diff --git a/arch/arm/mach-tegra/board-vcm30_t124-power.c b/arch/arm/mach-tegra/board-vcm30_t124-power.c
index 174d90ef5912..c3c93e8a4e81 100644
--- a/arch/arm/mach-tegra/board-vcm30_t124-power.c
+++ b/arch/arm/mach-tegra/board-vcm30_t124-power.c
@@ -20,6 +20,8 @@
 #include <linux/mfd/max77663-core.h>
 #include <linux/regulator/max77663-regulator.h>
 #include <linux/regulator/max15569-regulator.h>
+#include <linux/gpio.h>
+#include <linux/i2c/pca953x.h>
 
 #include <mach/edp.h>
 
@@ -378,3 +380,77 @@ int __init vcm30_t124_soctherm_init(void)
 */
 	return tegra11_soctherm_init(&vcm30_t124_soctherm_data);
 }
+
+
+/*
+ * GPIO init table for PCA9539 MISC IO GPIOs
+ * that have to be brought up to a known good state
+ * except for WiFi as it is handled via the
+ * WiFi stack.
+ */
+static struct gpio vcm30_t124_system_gpios[] = {
+	{MISCIO_BT_WAKEUP_GPIO,	GPIOF_OUT_INIT_HIGH,	"bt_wk"},
+	{MISCIO_ABB_RST_GPIO,	GPIOF_OUT_INIT_HIGH,	"ebb_rst"},
+	{MISCIO_USER_LED2_GPIO,	GPIOF_OUT_INIT_LOW,	"usr_led2"},
+	{MISCIO_USER_LED1_GPIO, GPIOF_OUT_INIT_LOW,	"usr_led1"},
+};
+
+static int __init vcm30_t124_system_gpio_init(void)
+{
+	int ret, pin_count = 0;
+	struct gpio *gpios_info = NULL;
+	gpios_info = vcm30_t124_system_gpios;
+	pin_count = ARRAY_SIZE(vcm30_t124_system_gpios);
+
+	/* Set required system GPIOs to initial bootup values */
+	ret = gpio_request_array(gpios_info, pin_count);
+
+	if (ret)
+		pr_err("%s gpio_request_array failed(%d)\r\n",
+				 __func__, ret);
+
+	/* Export the LED GPIOs to userland for any check */
+	gpio_export(MISCIO_USER_LED2_GPIO, false);
+	gpio_export(MISCIO_USER_LED1_GPIO, false);
+
+	return ret;
+}
+
+/*
+ * TODO: Check for the correct pca953x before invoking client
+ *  init functions
+ */
+static int pca953x_client_setup(struct i2c_client *client,
+				unsigned gpio, unsigned ngpio,
+				void *context)
+{
+	int ret = 0;
+
+	ret = vcm30_t124_system_gpio_init();
+	if (ret < 0)
+		goto fail;
+
+	return 0;
+fail:
+	pr_err("%s failed(%d)\r\n", __func__, ret);
+	return ret;
+}
+
+static struct pca953x_platform_data vcm30_t124_miscio_pca9539_data = {
+	.gpio_base  = PCA953X_MISCIO_GPIO_BASE,
+	.setup = pca953x_client_setup,
+};
+
+static struct i2c_board_info vcm30_t124_i2c2_board_info_pca9539[] = {
+	{
+		I2C_BOARD_INFO("pca9539", PCA953X_MISCIO_ADDR),
+		.platform_data = &vcm30_t124_miscio_pca9539_data,
+	},
+};
+
+int __init vcm30_t124_pca953x_init(void)
+{
+	i2c_register_board_info(1, vcm30_t124_i2c2_board_info_pca9539,
+		ARRAY_SIZE(vcm30_t124_i2c2_board_info_pca9539));
+	return 0;
+}