From mboxrd@z Thu Jan  1 00:00:00 1970
From: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Subject: [PATCH v2 2/2] arm64: dts: renesas: condor: add I2C0 support
Date: Thu, 31 May 2018 23:26:49 +0300
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To: Simon Horman <horms@verge.net.au>, Rob Herring <robh+dt@kernel.org>, Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will.deacon@arm.com>, linux-renesas-soc@vger.kernel.org, devicetree@vger.kernel.org
Cc: Mark Rutland <mark.rutland@arm.com>, Magnus Damm <magnus.damm@gmail.com>, "linux-arm-kernel@lists.infradead.org" <linux-arm-kernel@lists.infradead.org>
List-Id: devicetree@vger.kernel.org

Define the Condor board dependent part of the I2C0 device node.

The I2C0 bus is populated by 2 ON Semiconductor PCA9654 I/O expanders
and Analog Devices  ADV7511W HDMI transmitter (but we're only describing
the former chips now).

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>

---
Changes in version 2:
- added Simon's tag.

 arch/arm64/boot/dts/renesas/r8a77980-condor.dts |   27 ++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

Index: renesas/arch/arm64/boot/dts/renesas/r8a77980-condor.dts
===================================================================
--- renesas.orig/arch/arm64/boot/dts/renesas/r8a77980-condor.dts
+++ renesas/arch/arm64/boot/dts/renesas/r8a77980-condor.dts
@@ -80,6 +80,28 @@
 	clock-frequency = <32768>;
 };
 
+&i2c0 {
+	pinctrl-0 = <&i2c0_pins>;
+	pinctrl-names = "default";
+
+	status = "okay";
+	clock-frequency = <400000>;
+
+	io_expander0: gpio@20 {
+		compatible = "onnn,pca9654";
+		reg = <0x20>;
+		gpio-controller;
+		#gpio-cells = <2>;
+	};
+
+	io_expander1: gpio@21 {
+		compatible = "onnn,pca9654";
+		reg = <0x21>;
+		gpio-controller;
+		#gpio-cells = <2>;
+	};
+};
+
 &mmc0 {
 	pinctrl-0 = <&mmc_pins>;
 	pinctrl-1 = <&mmc_pins_uhs>;
@@ -104,6 +126,11 @@
 		function = "canfd0";
 	};
 
+	i2c0_pins: i2c0 {
+		groups = "i2c0";
+		function = "i2c0";
+	};
+
 	mmc_pins: mmc {
 		groups = "mmc_data8", "mmc_ctrl", "mmc_ds";
 		function = "mmc";