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Date: Thu, 22 Jun 2017 16:43:38 +0800
From: Erin Lo <erin.lo@...iatek.com>
To: Matthias Brugger <matthias.bgg@...il.com>
CC: <srv_heupstream@...iatek.com>, <devicetree@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>,
<linux-mediatek@...ts.infradead.org>,
Weiqing Kong <weiqing.kong@...iatek.com>,
Erin Lo <erin.lo@...iatek.com>
Subject: [PATCH v2 3/4] arm: dts: mt2701: Add display bls related nodes for MT2701
From: Weiqing Kong <weiqing.kong@...iatek.com>
This patch adds board related config for backlight
Signed-off-by: Weiqing Kong <weiqing.kong@...iatek.com>
Signed-off-by: Erin Lo <erin.lo@...iatek.com>
---
arch/arm/boot/dts/mt2701-evb.dts | 29 +++++++++++++++++++++++++++++
1 file changed, 29 insertions(+)
diff --git a/arch/arm/boot/dts/mt2701-evb.dts b/arch/arm/boot/dts/mt2701-evb.dts
index a483798..e49c2b7 100644
--- a/arch/arm/boot/dts/mt2701-evb.dts
+++ b/arch/arm/boot/dts/mt2701-evb.dts
@@ -22,6 +22,35 @@
memory {
reg = <0 0x80000000 0 0x40000000>;
};
+
+ backlight_lcd: backlight_lcd {
+ compatible = "pwm-backlight";
+ pwms = <&bls 0 100000>;
+ brightness-levels = <
+ 0 16 32 48 64 80 96 112
+ 128 144 160 176 192 208 224 240
+ 255
+ >;
+ default-brightness-level = <9>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pwm_bls_gpio>;
+ };
+};
+
+&bls {
+ status = "okay";
+};
+
+&mmsys {
+ status = "okay";
+};
+
+&pio {
+ pwm_bls_gpio: pwm_bls_gpio {
+ pins_cmd_dat {
+ pinmux = <MT2701_PIN_208_AUD_EXT_CK1__FUNC_DISP_PWM>;
+ };
+ };
};
&auxadc {
--
1.9.1
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