From fdc223c8f163d6b80dba0c56e34170f61586d3a5 Mon Sep 17 00:00:00 2001 From: Peter Ujfalusi Date: Fri, 15 Dec 2017 14:09:32 +0200 Subject: [PATCH] ARM: dts: am437x-gp-evm: Add phandle for the backlight for the panel With the backlight phandle the driver can manage the backlight on/off in sync with the panel enable/disable. Signed-off-by: Peter Ujfalusi Reviewed-by: Tomi Valkeinen Signed-off-by: Tony Lindgren --- arch/arm/boot/dts/am437x-gp-evm.dts | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/am437x-gp-evm.dts b/arch/arm/boot/dts/am437x-gp-evm.dts index afb8eb0a0a16..c3b1a3fb5a2e 100644 --- a/arch/arm/boot/dts/am437x-gp-evm.dts +++ b/arch/arm/boot/dts/am437x-gp-evm.dts @@ -55,7 +55,7 @@ vmmcwl_fixed: fixedregulator-mmcwl { enable-active-high; }; - backlight { + lcd_bl: backlight { compatible = "pwm-backlight"; pwms = <&ecap0 0 50000 PWM_POLARITY_INVERTED>; brightness-levels = <0 51 53 56 62 75 101 152 255>; @@ -86,6 +86,8 @@ lcd0: display { compatible = "osddisplays,osd057T0559-34ts", "panel-dpi"; label = "lcd"; + backlight = <&lcd_bl>; + panel-timing { clock-frequency = <33000000>; hactive = <800>;