linux-kernel - [PATCH 3/8] arm64: dts: imx8mm-nitrogen-r2: add espi2 support

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Message-Id: <20210215231943.36910-4-adrien.grassein@gmail.com>
Date:   Tue, 16 Feb 2021 00:19:38 +0100
From:   Adrien Grassein <adrien.grassein@...il.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     robh+dt@...nel.org, shawnguo@...nel.org, s.hauer@...gutronix.de,
        kernel@...gutronix.de, festevam@...il.com, linux-imx@....com,
        catalin.marinas@....com, will@...nel.org, krzk@...nel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org,
        Adrien Grassein <adrien.grassein@...il.com>
Subject: [PATCH 3/8] arm64: dts: imx8mm-nitrogen-r2: add espi2 support

Add the description for espi support.

Signed-off-by: Adrien Grassein <adrien.grassein@...il.com>
---
 .../boot/dts/freescale/imx8mm-nitrogen-r2.dts | 30 +++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mm-nitrogen-r2.dts b/arch/arm64/boot/dts/freescale/imx8mm-nitrogen-r2.dts
index 1b29d8a12d04..22acde0f3ba8 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-nitrogen-r2.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mm-nitrogen-r2.dts
@@ -10,6 +10,14 @@ / {
 	model = "Boundary Devices i.MX8MMini Nitrogen8MM Rev2";
 	compatible = "boundary,imx8mm-nitrogen8mm", "fsl,imx8mm";
 
+	clocks {
+		clk16m: clk16m {
+			compatible = "fixed-clock";
+			#clock-cells = <0>;
+			clock-frequency = <16000000>;
+		};
+	};
+
 	reg_wlan_vmmc: regulator-wlan-vmmc {
 		compatible = "regulator-fixed";
 		pinctrl-names = "default";
@@ -39,6 +47,19 @@ &A53_3 {
 	cpu-supply = <&reg_buck3>;
 };
 
+/* J15 */
+&ecspi2 {
+	assigned-clocks = <&clk IMX8MM_CLK_ECSPI2>;
+	assigned-clock-parents = <&clk IMX8MM_SYS_PLL1_40M>;
+	assigned-clock-rates = <40000000>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_ecspi2>;
+	cs-gpios = <&gpio5 13 GPIO_ACTIVE_LOW>;
+	#address-cells = <1>;
+	#size-cells = <0>;
+	status = "okay";
+};
+
 &fec1 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_fec1>;
@@ -270,6 +291,15 @@ &iomuxc {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_hog>;
 
+	pinctrl_ecspi2: ecspi2grp {
+		fsl,pins = <
+			MX8MM_IOMUXC_ECSPI2_SS0_GPIO5_IO13	0x140
+			MX8MM_IOMUXC_ECSPI2_MISO_ECSPI2_MISO	0x19
+			MX8MM_IOMUXC_ECSPI2_SCLK_ECSPI2_SCLK	0x19
+			MX8MM_IOMUXC_ECSPI2_MOSI_ECSPI2_MOSI	0x19
+		>;
+	};
+
 	pinctrl_fec1: fec1grp {
 		fsl,pins = <
 			MX8MM_IOMUXC_ENET_MDC_ENET1_MDC			0x3
-- 
2.25.1