diff options
| -rw-r--r-- | arch/x86/platform/intel-mid/device_libs/platform_tc35876x.c | 26 | ||||
| -rw-r--r-- | drivers/gpu/drm/gma500/tc35876x-dsi-lvds.c | 88 | ||||
| -rw-r--r-- | include/linux/platform_data/tc35876x.h | 11 |
3 files changed, 51 insertions, 74 deletions
diff --git a/arch/x86/platform/intel-mid/device_libs/platform_tc35876x.c b/arch/x86/platform/intel-mid/device_libs/platform_tc35876x.c index 44d1f884c3d3..139738bbdd36 100644 --- a/arch/x86/platform/intel-mid/device_libs/platform_tc35876x.c +++ b/arch/x86/platform/intel-mid/device_libs/platform_tc35876x.c @@ -6,21 +6,31 @@ * Author: Sathyanarayanan Kuppuswamy <sathyanarayanan.kuppuswamy@intel.com> */ -#include <linux/gpio.h> -#include <linux/platform_data/tc35876x.h> +#include <linux/gpio/machine.h> #include <asm/intel-mid.h> +static struct gpiod_lookup_table tc35876x_gpio_table = { + .dev_id = "i2c_disp_brig", + .table = { + GPIO_LOOKUP("0000:00:0c.0", -1, "bridge-reset", GPIO_ACTIVE_HIGH), + GPIO_LOOKUP("0000:00:0c.0", -1, "bl-en", GPIO_ACTIVE_HIGH), + GPIO_LOOKUP("0000:00:0c.0", -1, "vadd", GPIO_ACTIVE_HIGH), + { }, + }, +}; + /*tc35876x DSI_LVDS bridge chip and panel platform data*/ static void *tc35876x_platform_data(void *data) { - static struct tc35876x_platform_data pdata; + struct gpiod_lookup_table *table = &tc35876x_gpio_table; + struct gpiod_lookup *lookup = table->table; - /* gpio pins set to -1 will not be used by the driver */ - pdata.gpio_bridge_reset = get_gpio_by_name("LCMB_RXEN"); - pdata.gpio_panel_bl_en = get_gpio_by_name("6S6P_BL_EN"); - pdata.gpio_panel_vadd = get_gpio_by_name("EN_VREG_LCD_V3P3"); + lookup[0].chip_hwnum = get_gpio_by_name("LCMB_RXEN"); + lookup[1].chip_hwnum = get_gpio_by_name("6S6P_BL_EN"); + lookup[2].chip_hwnum = get_gpio_by_name("EN_VREG_LCD_V3P3"); + gpiod_add_lookup_table(table); - return &pdata; + return NULL; } static const struct devs_id tc35876x_dev_id __initconst = { diff --git a/drivers/gpu/drm/gma500/tc35876x-dsi-lvds.c b/drivers/gpu/drm/gma500/tc35876x-dsi-lvds.c index 7de3ce637c7f..9e8224456ea2 100644 --- a/drivers/gpu/drm/gma500/tc35876x-dsi-lvds.c +++ b/drivers/gpu/drm/gma500/tc35876x-dsi-lvds.c @@ -25,7 +25,7 @@ #include <linux/delay.h> #include <linux/kernel.h> #include <linux/module.h> -#include <linux/platform_data/tc35876x.h> +#include <linux/gpio/consumer.h> #include <asm/intel_scu_ipc.h> @@ -36,6 +36,11 @@ static struct i2c_client *tc35876x_client; static struct i2c_client *cmi_lcd_i2c_client; +/* Panel GPIOs */ +static struct gpio_desc *bridge_reset; +static struct gpio_desc *bridge_bl_enable; +static struct gpio_desc *backlight_voltage; + #define FLD_MASK(start, end) (((1 << ((start) - (end) + 1)) - 1) << (end)) #define FLD_VAL(val, start, end) (((val) << (end)) & FLD_MASK(start, end)) @@ -316,27 +321,23 @@ static int tc35876x_regr(struct i2c_client *client, u16 reg, u32 *value) void tc35876x_set_bridge_reset_state(struct drm_device *dev, int state) { - struct tc35876x_platform_data *pdata; - if (WARN(!tc35876x_client, "%s called before probe", __func__)) return; dev_dbg(&tc35876x_client->dev, "%s: state %d\n", __func__, state); - pdata = dev_get_platdata(&tc35876x_client->dev); - - if (pdata->gpio_bridge_reset == -1) + if (!bridge_reset) return; if (state) { - gpio_set_value_cansleep(pdata->gpio_bridge_reset, 0); + gpiod_set_value_cansleep(bridge_reset, 0); mdelay(10); } else { /* Pull MIPI Bridge reset pin to Low */ - gpio_set_value_cansleep(pdata->gpio_bridge_reset, 0); + gpiod_set_value_cansleep(bridge_reset, 0); mdelay(20); /* Pull MIPI Bridge reset pin to High */ - gpio_set_value_cansleep(pdata->gpio_bridge_reset, 1); + gpiod_set_value_cansleep(bridge_reset, 1); mdelay(40); } } @@ -510,25 +511,20 @@ void tc35876x_brightness_control(struct drm_device *dev, int level) void tc35876x_toshiba_bridge_panel_off(struct drm_device *dev) { - struct tc35876x_platform_data *pdata; - if (WARN(!tc35876x_client, "%s called before probe", __func__)) return; dev_dbg(&tc35876x_client->dev, "%s\n", __func__); - pdata = dev_get_platdata(&tc35876x_client->dev); - - if (pdata->gpio_panel_bl_en != -1) - gpio_set_value_cansleep(pdata->gpio_panel_bl_en, 0); + if (bridge_bl_enable) + gpiod_set_value_cansleep(bridge_bl_enable, 0); - if (pdata->gpio_panel_vadd != -1) - gpio_set_value_cansleep(pdata->gpio_panel_vadd, 0); + if (backlight_voltage) + gpiod_set_value_cansleep(backlight_voltage, 0); } void tc35876x_toshiba_bridge_panel_on(struct drm_device *dev) { - struct tc35876x_platform_data *pdata; struct drm_psb_private *dev_priv = dev->dev_private; if (WARN(!tc35876x_client, "%s called before probe", __func__)) @@ -536,10 +532,8 @@ void tc35876x_toshiba_bridge_panel_on(struct drm_device *dev) dev_dbg(&tc35876x_client->dev, "%s\n", __func__); - pdata = dev_get_platdata(&tc35876x_client->dev); - - if (pdata->gpio_panel_vadd != -1) { - gpio_set_value_cansleep(pdata->gpio_panel_vadd, 1); + if (backlight_voltage) { + gpiod_set_value_cansleep(backlight_voltage, 1); msleep(260); } @@ -571,8 +565,8 @@ void tc35876x_toshiba_bridge_panel_on(struct drm_device *dev) "i2c write failed (%d)\n", ret); } - if (pdata->gpio_panel_bl_en != -1) - gpio_set_value_cansleep(pdata->gpio_panel_bl_en, 1); + if (bridge_bl_enable) + gpiod_set_value_cansleep(bridge_bl_enable, 1); tc35876x_brightness_control(dev, dev_priv->brightness_adjusted); } @@ -635,8 +629,6 @@ static int tc35876x_get_panel_info(struct drm_device *dev, int pipe, static int tc35876x_bridge_probe(struct i2c_client *client, const struct i2c_device_id *id) { - struct tc35876x_platform_data *pdata; - dev_info(&client->dev, "%s\n", __func__); if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) { @@ -645,26 +637,23 @@ static int tc35876x_bridge_probe(struct i2c_client *client, return -ENODEV; } - pdata = dev_get_platdata(&client->dev); - if (!pdata) { - dev_err(&client->dev, "%s: no platform data\n", __func__); - return -ENODEV; - } + bridge_reset = devm_gpiod_get_optional(&client->dev, "bridge-reset", GPIOD_OUT_LOW); + if (IS_ERR(bridge_reset)) + return PTR_ERR(bridge_reset); + if (bridge_reset) + gpiod_set_consumer_name(bridge_reset, "tc35876x bridge reset"); - if (pdata->gpio_bridge_reset != -1) { - gpio_request(pdata->gpio_bridge_reset, "tc35876x bridge reset"); - gpio_direction_output(pdata->gpio_bridge_reset, 0); - } - - if (pdata->gpio_panel_bl_en != -1) { - gpio_request(pdata->gpio_panel_bl_en, "tc35876x panel bl en"); - gpio_direction_output(pdata->gpio_panel_bl_en, 0); - } + bridge_bl_enable = devm_gpiod_get_optional(&client->dev, "bl-en", GPIOD_OUT_LOW); + if (IS_ERR(bridge_bl_enable)) + return PTR_ERR(bridge_bl_enable); + if (bridge_bl_enable) + gpiod_set_consumer_name(bridge_bl_enable, "tc35876x panel bl en"); - if (pdata->gpio_panel_vadd != -1) { - gpio_request(pdata->gpio_panel_vadd, "tc35876x panel vadd"); - gpio_direction_output(pdata->gpio_panel_vadd, 0); - } + backlight_voltage = devm_gpiod_get_optional(&client->dev, "vadd", GPIOD_OUT_LOW); + if (IS_ERR(backlight_voltage)) + return PTR_ERR(backlight_voltage); + if (backlight_voltage) + gpiod_set_consumer_name(backlight_voltage, "tc35876x panel vadd"); tc35876x_client = client; @@ -673,19 +662,8 @@ static int tc35876x_bridge_probe(struct i2c_client *client, static int tc35876x_bridge_remove(struct i2c_client *client) { - struct tc35876x_platform_data *pdata = dev_get_platdata(&client->dev); - dev_dbg(&client->dev, "%s\n", __func__); - if (pdata->gpio_bridge_reset != -1) - gpio_free(pdata->gpio_bridge_reset); - - if (pdata->gpio_panel_bl_en != -1) - gpio_free(pdata->gpio_panel_bl_en); - - if (pdata->gpio_panel_vadd != -1) - gpio_free(pdata->gpio_panel_vadd); - tc35876x_client = NULL; return 0; diff --git a/include/linux/platform_data/tc35876x.h b/include/linux/platform_data/tc35876x.h deleted file mode 100644 index cd6a51c71e7e..000000000000 --- a/include/linux/platform_data/tc35876x.h +++ /dev/null @@ -1,11 +0,0 @@ - -#ifndef _TC35876X_H -#define _TC35876X_H - -struct tc35876x_platform_data { - int gpio_bridge_reset; - int gpio_panel_bl_en; - int gpio_panel_vadd; -}; - -#endif /* _TC35876X_H */ |