[RFC 3/4] sh: ecovec24: convert backlight to use device properties

[Dmitry Torokhov]

Instead of backlight legacy platform data, let's switch to using device
properties and GPIO lookup tables.

Signed-off-by: Dmitry Torokhov <dmitry.torok...@gmail.com>
---
 arch/sh/boards/mach-ecovec24/setup.c | 23 +++++++++++++++--------
 1 file changed, 15 insertions(+), 8 deletions(-)

diff --git a/arch/sh/boards/mach-ecovec24/setup.c 
b/arch/sh/boards/mach-ecovec24/setup.c
index 67633d2d42390..ad3d48b3ead19 100644
--- a/arch/sh/boards/mach-ecovec24/setup.c
+++ b/arch/sh/boards/mach-ecovec24/setup.c
@@ -11,11 +11,13 @@
 #include <linux/init.h>
 #include <linux/device.h>
 #include <linux/platform_device.h>
+#include <linux/property.h>
 #include <linux/mmc/host.h>
 #include <linux/mmc/sh_mmcif.h>
 #include <linux/mtd/physmap.h>
 #include <linux/mfd/tmio.h>
 #include <linux/gpio.h>
+#include <linux/gpio/machine.h>
 #include <linux/interrupt.h>
 #include <linux/io.h>
 #include <linux/delay.h>
@@ -30,7 +32,6 @@
 #include <linux/spi/mmc_spi.h>
 #include <linux/input.h>
 #include <linux/input/sh_keysc.h>
-#include <linux/platform_data/gpio_backlight.h>
 #include <linux/sh_eth.h>
 #include <linux/sh_intc.h>
 #include <linux/videodev2.h>
@@ -367,17 +368,21 @@ static struct platform_device lcdc_device = {
        },
 };
 
-static struct gpio_backlight_platform_data gpio_backlight_data = {
-       .gpio = GPIO_PTR1,
-       .def_value = 1,
-       .name = "backlight",
+static struct gpiod_lookup_table gpio_backlight_gpios_table = {
+       .dev_id = "gpio-backlight.0",
+       .table = {
+               GPIO_LOOKUP_IDX("sh7724_pfc", GPIO_PTR1, NULL, 0, 
GPIO_ACTIVE_HIGH);
+               { }
+       },
+};
+
+static struct property_entry gpio_backlight_properties[] = {
+       PROPERTY_ENTRY_BOOL("default-on"),
+       { }
 };
 
 static struct platform_device gpio_backlight_device = {
        .name = "gpio-backlight",
-       .dev = {
-               .platform_data = &gpio_backlight_data,
-       },
 };
 
 /* CEU0 */
@@ -1436,6 +1441,8 @@ static int __init arch_setup(void)
                return error;
 
        if (use_backlight) {
+               device_add_properties(&gpio_backlight_device.dev,
+                                     gpio_backlight_properties);
                error = platform_device_add(&gpio_backlight_device);
                if (error)
                        pr_warn("%s: failed to register backlight: %d\n",
-- 
2.16.2.804.g6dcf76e118-goog