linux-kernel - [PATCH 2/3 v5] arm64: dts: fsl-ls1028a: add dspi2 support

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Date:   Tue, 26 Apr 2022 10:24:12 +0800
From:   Changming Huang <jerry.huang@....com>
To:     broonie@...nel.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, linux-spi@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        shawnguo@...nel.org, leoyang.li@....com,
        linux-arm-kernel@...ts.infradead.org
Cc:     Changming Huang <jerry.huang@....com>
Subject: [PATCH 2/3 v5] arm64: dts: fsl-ls1028a: add dspi2 support

Enable MikroBUS SPI port.

Signed-off-by: Changming Huang <jerry.huang@....com>
---
changes in v5:
  - rename compatible name to mikcroe,mikcroe-socket
changes in v3:
  - add the dt-bindings

 arch/arm64/boot/dts/freescale/fsl-ls1028a-rdb.dts | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a-rdb.dts b/arch/arm64/boot/dts/freescale/fsl-ls1028a-rdb.dts
index 68c31cb8eead..d2cea39d4966 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1028a-rdb.dts
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a-rdb.dts
@@ -117,6 +117,20 @@ &duart1 {
 	status = "okay";
 };
 
+&dspi2 {
+	bus-num = <2>;
+	status = "okay";
+
+	/* MikcroBus1 */
+	spi@0 {
+		compatible = "mikcroe,mikcroe-socket";
+		reg = <0>;
+		spi-max-frequency = <2000000>;
+		fsl,spi-cs-sck-delay = <1000000>;
+		fsl,spi-sck-cs-delay = <50>;
+	};
+};
+
 &enetc_mdio_pf3 {
 	sgmii_phy0: ethernet-phy@2 {
 		reg = <0x2>;
-- 
2.25.1