linux-kernel - [RFC 08/25] arm64: dts: realtek: rtd129x-zidoo-x9s: Add TM1628 LED controller

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Date:   Thu, 12 Dec 2019 04:39:35 +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>,
        Roc He <hepeng@...oo.tv>, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>, devicetree@...r.kernel.org
Subject: [RFC 08/25] arm64: dts: realtek: rtd129x-zidoo-x9s: Add TM1628 LED controller

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

Cc: Roc He <hepeng@...oo.tv>
Signed-off-by: Andreas Färber <afaerber@...e.de>
---
 arch/arm64/boot/dts/realtek/rtd1295-zidoo-x9s.dts | 22 +++++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/realtek/rtd1295-zidoo-x9s.dts b/arch/arm64/boot/dts/realtek/rtd1295-zidoo-x9s.dts
index 628dfd123fa1..5183acd851a8 100644
--- a/arch/arm64/boot/dts/realtek/rtd1295-zidoo-x9s.dts
+++ b/arch/arm64/boot/dts/realtek/rtd1295-zidoo-x9s.dts
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-2-Clause)
 /*
- * Copyright (c) 2016-2017 Andreas Färber
+ * Copyright (c) 2016-2019 Andreas Färber
  */
 
 /dts-v1/;
@@ -42,6 +42,26 @@
 		gpio = <&misc_gpio 16 GPIO_ACTIVE_HIGH>;
 		enable-active-high;
 	};
+
+	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>;
+
+		tm1628: led-controller@0 {
+			compatible = "titanmec,tm1628";
+			reg = <0>;
+			spi-3wire;
+			spi-lsb-first;
+			spi-rx-delay-us = <1>;
+			spi-max-frequency = <500000>;
+			#grids = <7>;
+		};
+	};
 };
 
 &cpu0 {
-- 
2.16.4