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148 lines
3.2 KiB
Diff
148 lines
3.2 KiB
Diff
From 615467f56356a2054d3a86854d391b7a2e0d5811 Mon Sep 17 00:00:00 2001
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From: Stefan Wahren <wahrenst@gmx.net>
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Date: Mon, 29 Apr 2019 19:35:33 +0200
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Subject: [PATCH] overlays: Add PiGlow overlay
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The PiGlow is a small add-on board for the Raspberry Pi that provides
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18 individually controllable LEDs (SN3218) and uses the following pins:
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P1 & P17 (3V3)
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P2 (5V)
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P3 (SDA)
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P5 (SCL)
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P14 (GND)
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Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
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---
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arch/arm/boot/dts/overlays/Makefile | 1 +
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arch/arm/boot/dts/overlays/README | 6 ++
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arch/arm/boot/dts/overlays/piglow-overlay.dts | 97 +++++++++++++++++++
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3 files changed, 104 insertions(+)
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create mode 100644 arch/arm/boot/dts/overlays/piglow-overlay.dts
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--- a/arch/arm/boot/dts/overlays/Makefile
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+++ b/arch/arm/boot/dts/overlays/Makefile
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@@ -97,6 +97,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
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pi3-disable-wifi.dtbo \
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pi3-miniuart-bt.dtbo \
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pibell.dtbo \
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+ piglow.dtbo \
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piscreen.dtbo \
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piscreen2r.dtbo \
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pisound.dtbo \
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--- a/arch/arm/boot/dts/overlays/README
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+++ b/arch/arm/boot/dts/overlays/README
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@@ -1532,6 +1532,12 @@ Params: alsaname Set the
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"PiBell")
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+Name: piglow
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+Info: Configures the PiGlow by pimoroni.com
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+Load: dtoverlay=piglow
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+Params: <None>
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+
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+
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Name: piscreen
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Info: PiScreen display by OzzMaker.com
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Load: dtoverlay=piscreen,<param>=<val>
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--- /dev/null
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+++ b/arch/arm/boot/dts/overlays/piglow-overlay.dts
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@@ -0,0 +1,97 @@
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+// Definitions for SN3218 LED driver from Si-En Technology on PiGlow
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+/dts-v1/;
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+/plugin/;
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+
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+/ {
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+ compatible = "brcm,bcm2708";
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+
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+ fragment@0 {
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+ target = <&i2c_arm>;
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+ __overlay__ {
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+ status = "okay";
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+
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+ sn3218@54 {
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+ compatible = "si-en,sn3218";
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+ reg = <0x54>;
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+ status = "okay";
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+
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+ led@1 {
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+ reg = <1>;
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+ label = "piglow:red:led1";
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+ };
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+ led@2 {
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+ reg = <2>;
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+ label = "piglow:orange:led2";
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+ };
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+ led@3 {
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+ reg = <3>;
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+ label = "piglow:yellow:led3";
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+ };
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+ led@4 {
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+ reg = <4>;
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+ label = "piglow:green:led4";
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+ };
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+ led@5 {
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+ reg = <5>;
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+ label = "piglow:blue:led5";
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+ };
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+ led@6 {
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+ reg = <6>;
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+ label = "piglow:green:led6";
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+ };
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+ led@7 {
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+ reg = <7>;
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+ label = "piglow:red:led7";
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+ };
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+ led@8 {
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+ reg = <8>;
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+ label = "piglow:orange:led8";
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+ };
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+ led@9 {
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+ reg = <9>;
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+ label = "piglow:yellow:led9";
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+ };
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+ led@10 {
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+ reg = <10>;
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+ label = "piglow:white:led10";
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+ };
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+ led@11 {
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+ reg = <11>;
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+ label = "piglow:white:led11";
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+ };
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+ led@12 {
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+ reg = <12>;
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+ label = "piglow:blue:led12";
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+ };
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+ led@13 {
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+ reg = <13>;
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+ label = "piglow:white:led13";
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+ };
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+ led@14 {
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+ reg = <14>;
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+ label = "piglow:green:led14";
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+ };
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+ led@15 {
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+ reg = <15>;
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+ label = "piglow:blue:led15";
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+ };
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+ led@16 {
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+ reg = <16>;
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+ label = "piglow:yellow:led16";
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+ };
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+ led@17 {
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+ reg = <17>;
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+ label = "piglow:orange:led17";
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+ };
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+ led@18 {
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+ reg = <18>;
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+ label = "piglow:red:led18";
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+ };
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+ };
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+ };
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+ };
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+};
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