ARM: mach-shmobile: ag5evm: Use bd6107 backlight driver

Replace the backlight callback with a bd6107 backlight platform device.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

1 files changed, 16 insertions, 49 deletions

diff --git a/arch/arm/mach-shmobile/board-ag5evm.c b/arch/arm/mach-shmobile/board-ag5evm.c
index c7540710906f..f6d64495c405 100644
--- a/arch/arm/mach-shmobile/board-ag5evm.c
+++ b/arch/arm/mach-shmobile/board-ag5evm.c
@@ -41,6 +41,7 @@
 #include <linux/mmc/sh_mmcif.h>
 #include <linux/mmc/sh_mobile_sdhi.h>
 #include <linux/mfd/tmio.h>
+#include <linux/platform_data/bd6107.h>
 #include <linux/sh_clk.h>
 #include <linux/irqchip/arm-gic.h>
 #include <video/sh_mobile_lcdc.h>
@@ -291,47 +292,7 @@ static struct platform_device mipidsi0_device = {
         },
 };
 
-static unsigned char lcd_backlight_seq[3][2] = {
-        { 0x04, 0x07 },
-        { 0x23, 0x80 },
-        { 0x03, 0x01 },
-};
-
-static int lcd_backlight_set_brightness(int brightness)
-{
-        struct i2c_adapter *adap;
-        struct i2c_msg msg;
-        unsigned int i;
-        int ret;
-
-        if (brightness == 0) {
-                /* Reset the chip */
-                gpio_set_value(235, 0);
-                mdelay(24);
-                gpio_set_value(235, 1);
-                return 0;
-        }
-
-        adap = i2c_get_adapter(1);
-        if (adap == NULL)
-                return -ENODEV;
-
-        for (i = 0; i < ARRAY_SIZE(lcd_backlight_seq); i++) {
-                msg.addr = 0x6d;
-                msg.buf = &lcd_backlight_seq[i][0];
-                msg.len = 2;
-                msg.flags = 0;
-
-                ret = i2c_transfer(adap, &msg, 1);
-                if (ret < 0)
-                        break;
-        }
-
-        i2c_put_adapter(adap);
-        return ret < 0 ? ret : 0;
-}
-
-/* LCDC0 */
+/* LCDC0 and backlight */
 static const struct fb_videomode lcdc0_modes[] = {
         {
                 .name           = "R63302(QHD)",
@@ -361,11 +322,6 @@ static struct sh_mobile_lcdc_info lcdc0_info = {
                         .width = 44,
                         .height = 79,
                 },
-                .bl_info = {
-                        .name = "sh_mobile_lcdc_bl",
-                        .max_brightness = 1,
-                        .set_brightness = lcd_backlight_set_brightness,
-                },
                 .tx_dev = &mipidsi0_device,
         }
 };
@@ -394,6 +350,17 @@ static struct platform_device lcdc0_device = {
         },
 };
 
+static struct bd6107_platform_data backlight_data = {
+        .fbdev = &lcdc0_device.dev,
+        .reset = 235,
+        .def_value = 0,
+};
+
+static struct i2c_board_info backlight_board_info = {
+        I2C_BOARD_INFO("bd6107", 0x6d),
+        .platform_data = &backlight_data,
+};
+
 /* Fixed 2.8V regulators to be used by SDHI0 */
 static struct regulator_consumer_supply fixed2v8_power_consumers[] =
 {
@@ -648,15 +615,15 @@ static void __init ag5evm_init(void)
         gpio_set_value(217, 1);
         mdelay(100);
 
-        /* LCD backlight controller */
-        gpio_request_one(235, GPIOF_OUT_INIT_LOW, NULL); /* RESET */
-        lcd_backlight_set_brightness(0);
 
 #ifdef CONFIG_CACHE_L2X0
         /* Shared attribute override enable, 64K*8way */
         l2x0_init(IOMEM(0xf0100000), 0x00460000, 0xc2000fff);
 #endif
         sh73a0_add_standard_devices();
+
+        i2c_register_board_info(1, &backlight_board_info, 1);
+
         platform_add_devices(ag5evm_devices, ARRAY_SIZE(ag5evm_devices));
 }