linux-kernel - [PATCH 3/4] ARM: dts: aspeed: ast2600-evb: Adjust SPI flash configuration

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Message-ID: <20201102075213.32404-4-chin-ting_kuo@aspeedtech.com>
Date:   Mon, 2 Nov 2020 15:52:12 +0800
From:   Chin-Ting Kuo <chin-ting_kuo@...eedtech.com>
To:     <broonie@...nel.org>, <robh+dt@...nel.org>, <joel@....id.au>,
        <andrew@...id.au>, <clg@...d.org>, <bbrezillon@...nel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-aspeed@...ts.ozlabs.org>, <linux-spi@...r.kernel.org>
CC:     <BMC-SW@...eedtech.com>
Subject: [PATCH 3/4] ARM: dts: aspeed: ast2600-evb: Adjust SPI flash configuration

- Enable FMC CS1 and SPI2 CS0 SPI NOR flashes since both of
  these two flashes are mounted on AST2600 EVB by default.
- Remove spi-max-frequency setting: 50MHz is usual SPI bus
  frequency adopted on AST2600 EVB which has already been
  configured in aspeed-g6.dtsi.

Signed-off-by: Chin-Ting Kuo <chin-ting_kuo@...eedtech.com>
---
 arch/arm/boot/dts/aspeed-ast2600-evb.dts | 26 ++++++++++++++++++++----
 1 file changed, 22 insertions(+), 4 deletions(-)

diff --git a/arch/arm/boot/dts/aspeed-ast2600-evb.dts b/arch/arm/boot/dts/aspeed-ast2600-evb.dts
index 8d0f4656aa05..5a2e4612d155 100644
--- a/arch/arm/boot/dts/aspeed-ast2600-evb.dts
+++ b/arch/arm/boot/dts/aspeed-ast2600-evb.dts
@@ -96,12 +96,11 @@
 
 &fmc {
 	status = "okay";
+
 	flash@0 {
 		status = "okay";
 		m25p,fast-read;
 		label = "bmc";
-		spi-max-frequency = <50000000>;
-
 		partitions {
 			compatible = "fixed-partitions";
 			#address-cells = <1>;
@@ -133,18 +132,37 @@
 			};
 		};
 	};
+
+	flash@1 {
+		status = "okay";
+		m25p,fast-read;
+		label = "fmc0:1";
+	};
 };
 
 &spi1 {
 	status = "okay";
+
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_spi1_default>;
 
 	flash@0 {
 		status = "okay";
 		m25p,fast-read;
-		label = "pnor";
-		spi-max-frequency = <100000000>;
+		label = "spi1:0";
+	};
+};
+
+&spi2 {
+	status = "okay";
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_spi2_default>;
+
+	flash@0 {
+		status = "okay";
+		m25p,fast-read;
+		label = "spi2:0";
 	};
 };
 
-- 
2.17.1