linux-kernel - [PATCH v2 3/3] arm64: allwinner: h6: add i2c0 node in PineH64

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Message-Id: <20190816064710.18280-4-bshah@kde.org>
Date:   Fri, 16 Aug 2019 12:17:10 +0530
From:   Bhushan Shah <bshah@....org>
To:     Icenowy Zheng <icenowy@...c.io>, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Maxime Ripard <maxime.ripard@...tlin.com>,
        Chen-Yu Tsai <wens@...e.org>, Wolfram Sang <wsa@...-dreams.de>,
        Gregory CLEMENT <gregory.clement@...tlin.com>,
        linux-i2c@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Cc:     Bhushan Shah <bshah@....org>
Subject: [PATCH v2 3/3] arm64: allwinner: h6: add i2c0 node in PineH64

i2c0 bus is exposed by PI-2 BUS in the PineH64, model B.

Signed-off-by: Bhushan Shah <bshah@....org>
---
Changes in v2:
  - Don't enable the i2c0 node in PineH64 by default

 arch/arm64/boot/dts/allwinner/sun50i-h6-pine-h64.dts | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6-pine-h64.dts b/arch/arm64/boot/dts/allwinner/sun50i-h6-pine-h64.dts
index 684d1daa3081..97d9b7c63fb3 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-h6-pine-h64.dts
+++ b/arch/arm64/boot/dts/allwinner/sun50i-h6-pine-h64.dts
@@ -160,6 +160,15 @@
 	vcc-pg-supply = <&reg_aldo1>;
 };
 
+/* This i2c interface is exposed on PI-2 BUS, Pin 3 (I2C_SDA) and 5 (I2C_SCL) */
+&i2c0 {
+	status = "disabled";
+};
+
+&i2c0_pins {
+	bias-pull-up;
+};
+
 &r_i2c {
 	status = "okay";
 
-- 
2.17.1