brcm2708: update to latest patches from RPi Foundation
[openwrt/staging/chunkeey.git] / target / linux / brcm2708 / patches-4.19 / 950-0373-overlays-Add-PiGlow-overlay.patch
diff --git a/target/linux/brcm2708/patches-4.19/950-0373-overlays-Add-PiGlow-overlay.patch b/target/linux/brcm2708/patches-4.19/950-0373-overlays-Add-PiGlow-overlay.patch
new file mode 100644 (file)
index 0000000..4c3e76a
--- /dev/null
@@ -0,0 +1,147 @@
+From 615467f56356a2054d3a86854d391b7a2e0d5811 Mon Sep 17 00:00:00 2001
+From: Stefan Wahren <wahrenst@gmx.net>
+Date: Mon, 29 Apr 2019 19:35:33 +0200
+Subject: [PATCH] overlays: Add PiGlow overlay
+
+The PiGlow is a small add-on board for the Raspberry Pi that provides
+18 individually controllable LEDs (SN3218) and uses the following pins:
+
+P1 & P17 (3V3)
+P2 (5V)
+P3 (SDA)
+P5 (SCL)
+P14 (GND)
+
+Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
+---
+ arch/arm/boot/dts/overlays/Makefile           |  1 +
+ arch/arm/boot/dts/overlays/README             |  6 ++
+ arch/arm/boot/dts/overlays/piglow-overlay.dts | 97 +++++++++++++++++++
+ 3 files changed, 104 insertions(+)
+ create mode 100644 arch/arm/boot/dts/overlays/piglow-overlay.dts
+
+--- a/arch/arm/boot/dts/overlays/Makefile
++++ b/arch/arm/boot/dts/overlays/Makefile
+@@ -97,6 +97,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
+       pi3-disable-wifi.dtbo \
+       pi3-miniuart-bt.dtbo \
+       pibell.dtbo \
++      piglow.dtbo \
+       piscreen.dtbo \
+       piscreen2r.dtbo \
+       pisound.dtbo \
+--- a/arch/arm/boot/dts/overlays/README
++++ b/arch/arm/boot/dts/overlays/README
+@@ -1532,6 +1532,12 @@ Params: alsaname                Set the
+                                 "PiBell")
++Name:   piglow
++Info:   Configures the PiGlow by pimoroni.com
++Load:   dtoverlay=piglow
++Params: <None>
++
++
+ Name:   piscreen
+ Info:   PiScreen display by OzzMaker.com
+ Load:   dtoverlay=piscreen,<param>=<val>
+--- /dev/null
++++ b/arch/arm/boot/dts/overlays/piglow-overlay.dts
+@@ -0,0 +1,97 @@
++// Definitions for SN3218 LED driver from Si-En Technology on PiGlow
++/dts-v1/;
++/plugin/;
++
++/ {
++      compatible = "brcm,bcm2708";
++
++      fragment@0 {
++              target = <&i2c_arm>;
++              __overlay__ {
++                      #address-cells = <1>;
++                      #size-cells = <0>;
++                      status = "okay";
++
++                      sn3218@54 {
++                              compatible = "si-en,sn3218";
++                              reg = <0x54>;
++                              #address-cells = <1>;
++                              #size-cells = <0>;
++                              status = "okay";
++
++                              led@1 {
++                                      reg = <1>;
++                                      label = "piglow:red:led1";
++                              };
++                              led@2 {
++                                      reg = <2>;
++                                      label = "piglow:orange:led2";
++                              };
++                              led@3 {
++                                      reg = <3>;
++                                      label = "piglow:yellow:led3";
++                              };
++                              led@4 {
++                                      reg = <4>;
++                                      label = "piglow:green:led4";
++                              };
++                              led@5 {
++                                      reg = <5>;
++                                      label = "piglow:blue:led5";
++                              };
++                              led@6 {
++                                      reg = <6>;
++                                      label = "piglow:green:led6";
++                              };
++                              led@7 {
++                                      reg = <7>;
++                                      label = "piglow:red:led7";
++                              };
++                              led@8 {
++                                      reg = <8>;
++                                      label = "piglow:orange:led8";
++                              };
++                              led@9 {
++                                      reg = <9>;
++                                      label = "piglow:yellow:led9";
++                              };
++                              led@10 {
++                                      reg = <10>;
++                                      label = "piglow:white:led10";
++                              };
++                              led@11 {
++                                      reg = <11>;
++                                      label = "piglow:white:led11";
++                              };
++                              led@12 {
++                                      reg = <12>;
++                                      label = "piglow:blue:led12";
++                              };
++                              led@13 {
++                                      reg = <13>;
++                                      label = "piglow:white:led13";
++                              };
++                              led@14 {
++                                      reg = <14>;
++                                      label = "piglow:green:led14";
++                              };
++                              led@15 {
++                                      reg = <15>;
++                                      label = "piglow:blue:led15";
++                              };
++                              led@16 {
++                                      reg = <16>;
++                                      label = "piglow:yellow:led16";
++                              };
++                              led@17 {
++                                      reg = <17>;
++                                      label = "piglow:orange:led17";
++                              };
++                              led@18 {
++                                      reg = <18>;
++                                      label = "piglow:red:led18";
++                              };
++                      };
++              };
++      };
++};