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authorArnd Bergmann <arnd@arndb.de>2019-10-18 17:41:53 +0200
committerLee Jones <lee.jones@linaro.org>2019-11-11 10:29:56 +0100
commit0b0cb52bd80eda76c4b9921f5cf9c1b709d44e83 (patch)
treecb5751a07c22aa9f15626a92d2d17820feef3772 /arch/arm/mach-pxa
parentbacklight: qcom-wled: Add auto string detection logic (diff)
downloadlinux-0b0cb52bd80eda76c4b9921f5cf9c1b709d44e83.tar.xz
linux-0b0cb52bd80eda76c4b9921f5cf9c1b709d44e83.zip
video: backlight: tosa: Use GPIO lookup table
The driver should not require a machine specific header. Change it to pass the GPIO line through a lookup table, and move the timing generator definitions into the drivers itself. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Robert Jarzmik <robert.jarzmik@free.fr> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Reviewed-by: Daniel Thompson <daniel.thompson@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'arch/arm/mach-pxa')
-rw-r--r--arch/arm/mach-pxa/include/mach/tosa.h15
-rw-r--r--arch/arm/mach-pxa/tosa.c22
2 files changed, 22 insertions, 15 deletions
diff --git a/arch/arm/mach-pxa/include/mach/tosa.h b/arch/arm/mach-pxa/include/mach/tosa.h
index a499ed17931e..8bfaca3a8b64 100644
--- a/arch/arm/mach-pxa/include/mach/tosa.h
+++ b/arch/arm/mach-pxa/include/mach/tosa.h
@@ -73,18 +73,6 @@
#define TOSA_GPIO_BAT1_TH_ON (TOSA_TC6393XB_GPIO_BASE + 15)
/*
- * Timing Generator
- */
-#define TG_PNLCTL 0x00
-#define TG_TPOSCTL 0x01
-#define TG_DUTYCTL 0x02
-#define TG_GPOSR 0x03
-#define TG_GPODR1 0x04
-#define TG_GPODR2 0x05
-#define TG_PINICTL 0x06
-#define TG_HPOSCTL 0x07
-
-/*
* PXA GPIOs
*/
#define TOSA_GPIO_POWERON (0)
@@ -192,7 +180,4 @@
#define TOSA_KEY_MAIL KEY_MAIL
#endif
-struct spi_device;
-extern int tosa_bl_enable(struct spi_device *spi, int enable);
-
#endif /* _ASM_ARCH_TOSA_H_ */
diff --git a/arch/arm/mach-pxa/tosa.c b/arch/arm/mach-pxa/tosa.c
index f537ff1c3ba7..4e13893edeb9 100644
--- a/arch/arm/mach-pxa/tosa.c
+++ b/arch/arm/mach-pxa/tosa.c
@@ -813,6 +813,26 @@ static struct pxa2xx_spi_controller pxa_ssp_master_info = {
.num_chipselect = 1,
};
+static struct gpiod_lookup_table tosa_lcd_gpio_table = {
+ .dev_id = "spi2.0",
+ .table = {
+ GPIO_LOOKUP("tc6393xb",
+ TOSA_GPIO_TG_ON - TOSA_TC6393XB_GPIO_BASE,
+ "tg #pwr", GPIO_ACTIVE_HIGH),
+ { },
+ },
+};
+
+static struct gpiod_lookup_table tosa_lcd_bl_gpio_table = {
+ .dev_id = "i2c-tosa-bl",
+ .table = {
+ GPIO_LOOKUP("tc6393xb",
+ TOSA_GPIO_BL_C20MA - TOSA_TC6393XB_GPIO_BASE,
+ "backlight", GPIO_ACTIVE_HIGH),
+ { },
+ },
+};
+
static struct spi_board_info spi_board_info[] __initdata = {
{
.modalias = "tosa-lcd",
@@ -923,6 +943,8 @@ static void __init tosa_init(void)
platform_scoop_config = &tosa_pcmcia_config;
pxa2xx_set_spi_info(2, &pxa_ssp_master_info);
+ gpiod_add_lookup_table(&tosa_lcd_gpio_table);
+ gpiod_add_lookup_table(&tosa_lcd_bl_gpio_table);
spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info));
clk_add_alias("CLK_CK3P6MI", tc6393xb_device.name, "GPIO11_CLK", NULL);