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From: Anson Huang <Anson.Huang@nxp.com>
To: shawnguo@kernel.org, kernel@pengutronix.de,
	fabio.estevam@nxp.com, robh+dt@kernel.org, mark.rutland@arm.com,
	fugang.duan@nxp.com, haibo.chen@nxp.com, yibin.gong@nxp.com,
	aisheng.dong@nxp.com
Cc: Linux-imx@nxp.com, linux-arm-kernel@lists.infradead.org,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH V7 3/7] ARM: dts: imx6sx-sabreauto: add IO expander max7310 support
Date: Sun,  6 May 2018 14:28:09 +0800	[thread overview]
Message-ID: <1525588093-29994-3-git-send-email-Anson.Huang@nxp.com> (raw)
In-Reply-To: <1525588093-29994-1-git-send-email-Anson.Huang@nxp.com>

i.MX6SX Sabre Auto board has two max7310 IO expander on I2C3 bus, add
support for them.

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
---
changes since V6:
	remove unnecessary sign-off.
 arch/arm/boot/dts/imx6sx-sabreauto.dts | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/arch/arm/boot/dts/imx6sx-sabreauto.dts b/arch/arm/boot/dts/imx6sx-sabreauto.dts
index ae253af..4d41b4d 100644
--- a/arch/arm/boot/dts/imx6sx-sabreauto.dts
+++ b/arch/arm/boot/dts/imx6sx-sabreauto.dts
@@ -73,6 +73,13 @@
 		>;
 	};
 
+	pinctrl_i2c3: i2c3grp {
+		fsl,pins = <
+			MX6SX_PAD_KEY_ROW4__I2C3_SDA            0x4001b8b1
+			MX6SX_PAD_KEY_COL4__I2C3_SCL            0x4001b8b1
+		>;
+	};
+
 	pinctrl_uart1: uart1grp {
 		fsl,pins = <
 			MX6SX_PAD_GPIO1_IO04__UART1_TX		0x1b0b1
@@ -262,3 +269,24 @@
 		#gpio-cells = <2>;
 	};
 };
+
+&i2c3 {
+	clock-frequency = <100000>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_i2c3>;
+	status = "okay";
+
+	max7310_a: gpio@30 {
+		compatible = "maxim,max7310";
+		reg = <0x30>;
+		gpio-controller;
+		#gpio-cells = <2>;
+	};
+
+	max7310_b: gpio@32 {
+		compatible = "maxim,max7310";
+		reg = <0x32>;
+		gpio-controller;
+		#gpio-cells = <2>;
+	};
+};
-- 
2.7.4

  parent reply	other threads:[~2018-05-06  6:32 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-06  6:28 [PATCH V7 1/7] ARM: dts: imx6sx-sabreauto: add PMIC support Anson Huang
2018-05-06  6:28 ` [PATCH V7 2/7] ARM: dts: imx6sx-sabreauto: add max7322 IO expander support Anson Huang
2018-05-06 15:05   ` Fabio Estevam
2018-05-06  6:28 ` Anson Huang [this message]
2018-05-06 15:06   ` [PATCH V7 3/7] ARM: dts: imx6sx-sabreauto: add IO expander max7310 support Fabio Estevam
2018-05-06  6:28 ` [PATCH V7 4/7] ARM: dts: imx6sx-sabreauto: add fec support Anson Huang
2018-05-06 15:06   ` Fabio Estevam
2018-05-06  6:28 ` [PATCH V7 5/7] ARM: dts: imx6sx-sabreauto: add wdog external reset Anson Huang
2018-05-06 15:06   ` Fabio Estevam
2018-05-06  6:28 ` [PATCH V7 6/7] ARM: dts: imx6sx-sabreauto: add debug LED support Anson Huang
2018-05-06 15:07   ` Fabio Estevam
2018-05-06  6:28 ` [PATCH V7 7/7] ARM: dts: imx6sx-sabreauto: add egalax touch screen support Anson Huang
2018-05-06 15:07   ` Fabio Estevam
2018-05-06 15:05 ` [PATCH V7 1/7] ARM: dts: imx6sx-sabreauto: add PMIC support Fabio Estevam
2018-05-07  1:36 ` Shawn Guo

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