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Groups > linux.kernel > #1739439
| From | Ryder Lee <ryder.lee@mediatek.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v2 02/10] arm: dts: mt2701: enable display pwm backlight |
| Date | 2017-09-26 04:10 +0200 |
| Message-ID | <utNtV-6AN-31@gated-at.bofh.it> (permalink) |
| References | <utNtT-6AN-1@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
From: Weiqing Kong <weiqing.kong@mediatek.com>
This patch adds board related config for MT2701 pwm backlight.
Signed-off-by: Weiqing Kong <weiqing.kong@mediatek.com>
Signed-off-by: Erin Lo <erin.lo@mediatek.com>
Signed-off-by: Ryder Lee <ryder.lee@mediatek.com>
---
arch/arm/boot/dts/mt2701-evb.dts | 23 +++++++++++++++++++++++
1 file changed, 23 insertions(+)
diff --git a/arch/arm/boot/dts/mt2701-evb.dts b/arch/arm/boot/dts/mt2701-evb.dts
index f484973..63af4b1 100644
--- a/arch/arm/boot/dts/mt2701-evb.dts
+++ b/arch/arm/boot/dts/mt2701-evb.dts
@@ -56,12 +56,29 @@
bt_sco_codec:bt_sco_codec {
compatible = "linux,bt-sco";
};
+
+ 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>;
+ };
};
&auxadc {
status = "okay";
};
+&bls {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pwm_bls_gpio>;
+};
+
&i2c0 {
pinctrl-names = "default";
pinctrl-0 = <&i2c0_pins_a>;
@@ -111,6 +128,12 @@
};
};
+ pwm_bls_gpio: pwm_bls_gpio {
+ pins_cmd_dat {
+ pinmux = <MT2701_PIN_208_AUD_EXT_CK1__FUNC_DISP_PWM>;
+ };
+ };
+
spi_pins_a: spi0@0 {
pins_spi {
pinmux = <MT2701_PIN_53_SPI0_CSN__FUNC_SPI0_CS>,
--
1.9.1
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[PATCH v2 00/10] update MT7623 and MT2701 dts Ryder Lee <ryder.lee@mediatek.com> - 2017-09-26 04:10 +0200
[PATCH v2 03/10] arm: dts: mt2701: add display subsystem related nodes Ryder Lee <ryder.lee@mediatek.com> - 2017-09-26 04:10 +0200
[PATCH v2 06/10] arm: dts: mt7623: add subsystem clock controller nodes Ryder Lee <ryder.lee@mediatek.com> - 2017-09-26 04:10 +0200
[PATCH v2 09/10] arm: dts: mt7623: enable bananapi-r2 display function Ryder Lee <ryder.lee@mediatek.com> - 2017-09-26 04:10 +0200
[PATCH v2 04/10] arm: dts: mediatek: update audio node for mt2701 and mt7623 Ryder Lee <ryder.lee@mediatek.com> - 2017-09-26 04:10 +0200
[PATCH v2 05/10] arm: dts: mt7623: update pio, usb and crypto nodes Ryder Lee <ryder.lee@mediatek.com> - 2017-09-26 04:10 +0200
Re: [PATCH v2 05/10] arm: dts: mt7623: update pio, usb and crypto nodes Yingjoe Chen <yingjoe.chen@mediatek.com> - 2017-09-26 12:20 +0200
[PATCH v2 02/10] arm: dts: mt2701: enable display pwm backlight Ryder Lee <ryder.lee@mediatek.com> - 2017-09-26 04:10 +0200
[PATCH v2 01/10] arm: dts: mt2701: add pwm backlight device node Ryder Lee <ryder.lee@mediatek.com> - 2017-09-26 04:10 +0200
[PATCH v2 07/10] arm: dts: mt7623: add iommmu and jpecdec nodes Ryder Lee <ryder.lee@mediatek.com> - 2017-09-26 04:10 +0200
[PATCH v2 08/10] arm: dts: mt7623: add display subsystem related nodes Ryder Lee <ryder.lee@mediatek.com> - 2017-09-26 04:10 +0200
[PATCH v2 10/10] arm: dts: mt7623: add PCIe related nodes Ryder Lee <ryder.lee@mediatek.com> - 2017-09-26 04:10 +0200
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