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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 {
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