2020-02-17 03:27:18

by Joakim Zhang

Subject: [PATCH 5/7] arch: arm64: dts: imx8qxp: add device node for I2C and INTMUX in CM40 SS

Add device node for I2C and INTMUX in CM40 SS.

Signed-off-by: Joakim Zhang <[email protected]>
---
arch/arm64/boot/dts/freescale/imx8qxp-mek.dts | 27 +++++++++++
arch/arm64/boot/dts/freescale/imx8qxp.dtsi | 47 +++++++++++++++++++
2 files changed, 74 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8qxp-mek.dts b/arch/arm64/boot/dts/freescale/imx8qxp-mek.dts
index d3d26cca7d52..f88402ee650c 100644
--- a/arch/arm64/boot/dts/freescale/imx8qxp-mek.dts
+++ b/arch/arm64/boot/dts/freescale/imx8qxp-mek.dts
@@ -30,6 +30,26 @@
};
};

+&cm40_i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clock-frequency = <100000>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_cm40_i2c>;
+ status = "okay";
+
+ pca6416: gpio@20 {
+ compatible = "nxp,pca6416";
+ reg = <0x20>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ };
+};
+
+&cm40_intmux {
+ status = "okay";
+};
+
&adma_lpuart0 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_lpuart0>;
@@ -161,6 +181,13 @@
};

&iomuxc {
+ pinctrl_cm40_i2c: cm40i2cgrp {
+ fsl,pins = <
+ IMX8QXP_ADC_IN1_M40_I2C0_SDA 0x0600004c
+ IMX8QXP_ADC_IN0_M40_I2C0_SCL 0x0600004c
+ >;
+ };
+
pinctrl_fec1: fec1grp {
fsl,pins = <
IMX8QXP_ENET0_MDC_CONN_ENET0_MDC 0x06000020
diff --git a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
index fb5f752b15fe..cd10519eced7 100644
--- a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
@@ -213,6 +213,53 @@
clock-output-names = "xtal_24MHz";
};

+ cm40_subsys: bus@34000000 {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0x34000000 0x0 0x34000000 0x4000000>;
+
+ cm40_lpcg: clock-controller@375d0000 {
+ compatible = "fsl,imx8qxp-lpcg-cm40";
+ reg = <0x375d0000 0x70000>;
+ #clock-cells = <1>;
+ };
+
+ cm40_i2c: i2c@37230000 {
+ compatible = "fsl,imx8qxp-lpi2c", "fsl,imx7ulp-lpi2c";
+ reg = <0x37230000 0x1000>;
+ interrupts = <9 0>;
+ interrupt-parent = <&cm40_intmux>;
+ clocks = <&cm40_lpcg IMX_CM40_LPCG_I2C_CLK>,
+ <&cm40_lpcg IMX_CM40_LPCG_I2C_IPG_CLK>;
+ clock-names = "per", "ipg";
+ assigned-clocks = <&clk IMX_CM40_I2C_CLK>;
+ assigned-clock-rates = <24000000>;
+ power-domains = <&pd IMX_SC_R_M4_0_I2C>;
+ status = "disabled";
+ };
+
+ cm40_intmux: intmux@37400000 {
+ compatible = "fsl,imx-intmux";
+ reg = <0x37400000 0x1000>;
+ interrupts = <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 20 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH>,
+ <GIC_SPI 23 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-controller;
+ interrupt-parent = <&gic>;
+ #interrupt-cells = <2>;
+ clocks = <&clk IMX_CM40_IPG_CLK>;
+ clock-names = "ipg";
+ power-domains = <&pd IMX_SC_R_M4_0_INTMUX>;
+ status = "disabled";
+ };
+ };
+
adma_subsys: bus@59000000 {
compatible = "simple-bus";
#address-cells = <1>;
--
2.17.1

2020-03-10 03:50:47

by Shawn Guo

Subject: Re: [PATCH 5/7] arch: arm64: dts: imx8qxp: add device node for I2C and INTMUX in CM40 SS

On Mon, Feb 17, 2020 at 11:19:19AM +0800, Joakim Zhang wrote:
> Add device node for I2C and INTMUX in CM40 SS.
>
> Signed-off-by: Joakim Zhang <[email protected]>

The 'arch:' prefix in subject is not necessary.

Shawn