linux-kernel - [PATCH v2 1/4] arm64: dts: freescale: sl28: add SPI flash

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Date:   Wed, 11 Mar 2020 08:49:26 +0100
From:   Michael Walle <michael@...le.cc>
To:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Cc:     Shawn Guo <shawnguo@...nel.org>, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Li Yang <leoyang.li@....com>, Michael Walle <michael@...le.cc>
Subject: [PATCH v2 1/4] arm64: dts: freescale: sl28: add SPI flash

There is a SPI flash on this carrier connected to the third DSPI
controller. Add it.

Signed-off-by: Michael Walle <michael@...le.cc>
---
 .../dts/freescale/fsl-ls1028a-kontron-sl28-var3-ads2.dts | 9 +++++++++
 .../boot/dts/freescale/fsl-ls1028a-kontron-sl28.dts      | 6 ++++++
 2 files changed, 15 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28-var3-ads2.dts b/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28-var3-ads2.dts
index 7de55f2aa7dc..7aee14193dbd 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28-var3-ads2.dts
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28-var3-ads2.dts
@@ -68,6 +68,15 @@
 	};
 };
 
+&dspi2 {
+	flash@0 {
+		compatible = "jedec,spi-nor";
+		m25p,fast-read;
+		spi-max-frequency = <100000000>;
+		reg = <0>;
+	};
+};
+
 &i2c4 {
 	status = "okay";
 
diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28.dts b/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28.dts
index e6ad2f64e64e..58603bce5b0e 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28.dts
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a-kontron-sl28.dts
@@ -17,6 +17,8 @@
 		crypto = &crypto;
 		serial0 = &duart0;
 		serial1 = &duart1;
+		spi0 = &fspi;
+		spi1 = &dspi2;
 	};
 
 	chosen {
@@ -24,6 +26,10 @@
 	};
 };
 
+&dspi2 {
+	status = "okay";
+};
+
 &duart0 {
 	status = "okay";
 };
-- 
2.20.1