linux-kernel - [RFC 13/25] arm64: dts: realtek: rtd1295-xnano-x5: Add FD628 LED controller

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Date:   Thu, 12 Dec 2019 04:39:40 +0100
From:   Andreas Färber <afaerber@...e.de>
To:     linux-realtek-soc@...ts.infradead.org, linux-leds@...r.kernel.org
Cc:     Jacek Anaszewski <jacek.anaszewski@...il.com>,
        Pavel Machek <pavel@....cz>, Dan Murphy <dmurphy@...com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Andreas Färber <afaerber@...e.de>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>, devicetree@...r.kernel.org
Subject: [RFC 13/25] arm64: dts: realtek: rtd1295-xnano-x5: Add FD628 LED controller

Add a spi-gpio node and LED controller slave node.

Signed-off-by: Andreas Färber <afaerber@...e.de>
---
 arch/arm64/boot/dts/realtek/rtd1295-xnano-x5.dts | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/arch/arm64/boot/dts/realtek/rtd1295-xnano-x5.dts b/arch/arm64/boot/dts/realtek/rtd1295-xnano-x5.dts
index d7878ff942e6..ea9e9a96f1d3 100644
--- a/arch/arm64/boot/dts/realtek/rtd1295-xnano-x5.dts
+++ b/arch/arm64/boot/dts/realtek/rtd1295-xnano-x5.dts
@@ -5,6 +5,8 @@
 
 /dts-v1/;
 
+#include <dt-bindings/gpio/gpio.h>
+
 #include "rtd1295.dtsi"
 
 / {
@@ -23,6 +25,26 @@
 	chosen {
 		stdout-path = "serial0:115200n8";
 	};
+
+	spi {
+		compatible = "spi-gpio";
+		sck-gpios = <&iso_gpio 4 GPIO_ACTIVE_HIGH>;
+		mosi-gpios = <&iso_gpio 3 GPIO_ACTIVE_HIGH>;
+		cs-gpios = <&iso_gpio 2 GPIO_ACTIVE_LOW>;
+		num-chipselects = <1>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		fd628: led-controller@0 {
+			compatible = "fdhisi,fd628";
+			reg = <0>;
+			spi-3wire;
+			spi-lsb-first;
+			spi-rx-delay-us = <1>;
+			spi-max-frequency = <500000>;
+			#grids = <7>;
+		};
+	};
 };
 
 &uart0 {
-- 
2.16.4