linux-kernel - [PATCH] arm64: dts: sun50i-pinephone: add led flash

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:   Sat, 25 Jul 2020 13:08:12 +0200
From:   Luca Weiss <luca@...tu.xyz>
To:     linux-arm-kernel@...ts.infradead.org
Cc:     ~postmarketos/upstreaming@...ts.sr.ht, Luca Weiss <luca@...tu.xyz>,
        Rob Herring <robh+dt@...nel.org>,
        Maxime Ripard <mripard@...nel.org>,
        Chen-Yu Tsai <wens@...e.org>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] arm64: dts: sun50i-pinephone: add led flash

All revisions of the PinePhone have an SGM3140 LED flash. The gpios were
swapped on v1.0 of the board but this was fixed in later revisions.

Signed-off-by: Luca Weiss <luca@...tu.xyz>
---
 .../boot/dts/allwinner/sun50i-a64-pinephone-1.0.dts   |  5 +++++
 .../boot/dts/allwinner/sun50i-a64-pinephone-1.1.dts   |  5 +++++
 .../boot/dts/allwinner/sun50i-a64-pinephone-1.2.dts   |  5 +++++
 .../boot/dts/allwinner/sun50i-a64-pinephone.dtsi      | 11 +++++++++++
 4 files changed, 26 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.0.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.0.dts
index 0c42272106afa..b579b03d4e026 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.0.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.0.dts
@@ -9,3 +9,8 @@ / {
 	model = "Pine64 PinePhone Developer Batch (1.0)";
 	compatible = "pine64,pinephone-1.0", "allwinner,sun50i-a64";
 };
+
+&sgm3140 {
+	flash-gpios = <&pio 3 24 GPIO_ACTIVE_HIGH>; /* PD24 */
+	enable-gpios = <&pio 2 3 GPIO_ACTIVE_HIGH>; /* PC3 */
+};
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.1.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.1.dts
index 3e99a87e9ce52..8552587aac248 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.1.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.1.dts
@@ -28,3 +28,8 @@ &backlight {
 	num-interpolated-steps = <50>;
 	default-brightness-level = <400>;
 };
+
+&sgm3140 {
+	flash-gpios = <&pio 2 3 GPIO_ACTIVE_HIGH>; /* PC3 */
+	enable-gpios = <&pio 3 24 GPIO_ACTIVE_HIGH>; /* PD24 */
+};
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.2.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.2.dts
index a9f5b670c9b82..ec77715ba4a2a 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.2.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone-1.2.dts
@@ -38,3 +38,8 @@ &lis3mdl {
 	interrupt-parent = <&pio>;
 	interrupts = <1 1 IRQ_TYPE_EDGE_RISING>; /* PB1 */
 };
+
+&sgm3140 {
+	flash-gpios = <&pio 2 3 GPIO_ACTIVE_HIGH>; /* PC3 */
+	enable-gpios = <&pio 3 24 GPIO_ACTIVE_HIGH>; /* PD24 */
+};
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi
index 25150aba749dc..e0bc1bcc1c1f3 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinephone.dtsi
@@ -60,6 +60,17 @@ vibrator {
 		enable-gpios = <&pio 3 2 GPIO_ACTIVE_HIGH>; /* PD2 */
 		vcc-supply = <&reg_dcdc1>;
 	};
+
+	sgm3140: led-controller {
+		compatible = "sgmicro,sgm3140";
+		vin-supply = <&reg_dcdc1>;
+
+		sgm3140_flash: led {
+			function = LED_FUNCTION_FLASH;
+			color = <LED_COLOR_ID_WHITE>;
+			flash-max-timeout-us = <250000>;
+		};
+	};
 };
 
 &codec {
-- 
2.27.0