Add Hydis hv070wsa lcd panel setup and control support in platform-lcd driver.
Signed-off-by: Thomas Abraham <thomas.abraham@xxxxxxxxxx>
---
drivers/video/backlight/Kconfig | 6 ++++
drivers/video/backlight/platform_lcd.c | 49 ++++++++++++++++++++++++++++++++
include/video/platform_lcd.h | 6 ++++
3 files changed, 61 insertions(+), 0 deletions(-)
diff --git a/drivers/video/backlight/Kconfig b/drivers/video/backlight/Kconfig
index 278aeaa..ef4e9a7 100644
--- a/drivers/video/backlight/Kconfig
+++ b/drivers/video/backlight/Kconfig
@@ -86,6 +86,12 @@ config LCD_PLATFORM
This driver provides a platform-device registered LCD power
control interface.
+config LCD_HYDIS_HV070WSA
+ tristate "Hydis HV070WSA LCD"
+ depends on LCD_PLATFORM
+ help
+ Enable support for Hydis HV070WSA lcd panel
+
config LCD_TOSA
tristate "Sharp SL-6000 LCD Driver"
depends on SPI && MACH_TOSA
diff --git a/drivers/video/backlight/platform_lcd.c b/drivers/video/backlight/platform_lcd.c
index 707c81f..feb4fd0 100644
--- a/drivers/video/backlight/platform_lcd.c
+++ b/drivers/video/backlight/platform_lcd.c
@@ -17,6 +17,7 @@
#include <linux/backlight.h>
#include <linux/lcd.h>
#include <linux/slab.h>
+#include <linux/gpio.h>
#include <video/platform_lcd.h>
@@ -160,10 +161,58 @@ static int platform_lcd_resume(struct platform_device *pdev)
#define platform_lcd_resume NULL
#endif
+#ifdef CONFIG_LCD_HYDIS_HV070WSA
+static int lcd_hv070wsa_init(struct platform_lcd *plcd)
+{
+ struct plat_lcd_hydis_hv070wsa_pdata *pdata = plcd->lcd_pdata;
+ int err;
+
+ if (!pdata) {
+ dev_err(plcd->us, "no platform data\n");
+ return -EINVAL;
+ }
+
+ err = gpio_request(pdata->gpio, "HV070WSA_GPIO");
+ if (err) {
+ dev_err(plcd->us, "gpio request failed for %d\n", pdata->gpio);
+ return err;
+ }
+
+ return 0;
+}
+
+static void lcd_hv070wsa_deinit(struct platform_lcd *plcd)
+{
+ struct plat_lcd_hydis_hv070wsa_pdata *pdata = plcd->lcd_pdata;
+
+ gpio_free(pdata->gpio);
+}
+
+static void lcd_hv070wsa_set_power(struct platform_lcd *plcd, unsigned int pwr)
+{
+ struct plat_lcd_hydis_hv070wsa_pdata *pdata = plcd->lcd_pdata;
+
+ gpio_direction_output(pdata->gpio, pwr);
+}
+
+static struct plat_lcd_driver_data hv070wsa_driver_data = {
+ .lcd_init = lcd_hv070wsa_init,
+ .lcd_deinit = lcd_hv070wsa_deinit,
+ .set_power = lcd_hv070wsa_set_power,
+};
+#define HV070WSA_DRV_DATA ((kernel_ulong_t)&hv070wsa_driver_data)
+#else
+#define HV070WSA_DRV_DATA (kernel_ulong_t)NULL
+#endif /* CONFIG_LCD_HYDIS_HV070WSA */
static struct platform_device_id platform_lcd_driver_ids[] = {
+ {
+ .name = "hv070wsa",
+ .driver_data = HV070WSA_DRV_DATA,
+ },
{ },
};
+MODULE_DEVICE_TABLE(platform, platform_lcd_driver_ids);
static struct platform_driver platform_lcd_driver = {
.driver = {
diff --git a/include/video/platform_lcd.h b/include/video/platform_lcd.h
index 8e6081a..d2fa188 100644
--- a/include/video/platform_lcd.h
+++ b/include/video/platform_lcd.h
@@ -10,3 +10,9 @@
* published by the Free Software Foundation.
*
*/
+
+#ifdef CONFIG_LCD_HYDIS_HV070WSA
+struct plat_lcd_hydis_hv070wsa_pdata {
+ unsigned int gpio;
+};
+#endif
--
1.6.6.rc2
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