From 650480191492845c8eb7e0c2e5b1e37cabc59eff Mon Sep 17 00:00:00 2001
From: Pawel Dembicki <paweldembicki@gmail.com>
Date: Fri, 13 Nov 2020 07:17:39 +0100
Subject: [PATCH 1/2] arm64: dts: fsl-ls1012a-rdb: add i2c devices

LS1012A-RDB equipped in some i2c devices:
  - 3x GPIO Expander: PCAL9555A (NXP)
  - Gyro: FXAS21002 (NXP)
  - Accelerometer: FXOS8700 (NXP)
  - Current & Power Monitor: INA220 (TI)

This patch add listed devices to dts.

Signed-off-by: Pawel Dembicki <paweldembicki@gmail.com>
---
 .../boot/dts/freescale/fsl-ls1012a-rdb.dts    | 66 +++++++++++++++++++
 1 file changed, 66 insertions(+)

--- a/arch/arm64/boot/dts/freescale/fsl-ls1012a-rdb.dts
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1012a-rdb.dts
@@ -7,6 +7,7 @@
  */
 /dts-v1/;
 
+#include <dt-bindings/interrupt-controller/irq.h>
 #include "fsl-ls1012a.dtsi"
 
 / {
@@ -16,6 +17,25 @@
 	aliases {
 		ethernet0 = &pfe_mac0;
 		ethernet1 = &pfe_mac1;
+		serial0 = &duart0;
+	};
+
+	dummy3v3: dummy_reg {
+		compatible = "regulator-fixed";
+		regulator-name = "dummy_regulator_3v3";
+
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		regulator-always-on;
+	};
+
+	dummy1v8: dummy_reg {
+		compatible = "regulator-fixed";
+		regulator-name = "dummy_regulator_1v8";
+
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		regulator-always-on;
 	};
 };
 
@@ -42,6 +62,52 @@
 
 &i2c0 {
 	status = "okay";
+
+	accelerometer@1e {
+		compatible = "nxp,fxos8700";
+		reg = <0x1e>;
+		interrupt-parent = <&gpio26>;
+		interrupts = <13 IRQ_TYPE_EDGE_RISING>;
+		interrupt-names = "INT1";
+	};
+
+	gyroscope@20 {
+		compatible = "nxp,fxas21002c";
+		reg = <0x20>;
+		vdd-supply = <&dummy3v3>;
+		vddio-supply = <&dummy1v8>;
+	};
+
+	gpio@24 {
+		compatible = "nxp,pcal9555a";
+		reg = <0x24>;
+		gpio-controller;
+		#gpio-cells = <2>;
+	};
+
+	gpio25: gpio@25 {
+		compatible = "nxp,pcal9555a";
+		reg = <0x25>;
+		gpio-controller;
+		#gpio-cells = <2>;
+	};
+
+	gpio26: gpio@26 {
+		compatible = "nxp,pcal9555a";
+		reg = <0x26>;
+		interrupt-parent = <&gpio0>;
+		interrupts = <13 IRQ_TYPE_EDGE_FALLING>;
+		interrupt-controller;
+		#interrupt-cells = <2>;
+		gpio-controller;
+		#gpio-cells = <2>;
+	};
+
+	current-sensor@40 {
+		compatible = "ti,ina220";
+		reg = <0x40>;
+		shunt-resistor = <2000>;
+	};
 };
 
 &sata {