linux-kernel - [PATCH v1 05/10] ARM: dts: aspeed: yosemite4: Revise quad mode to dual mode

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Message-Id: <20231101100609.2516844-6-Delphine_CC_Chiu@wiwynn.com>
Date:   Wed,  1 Nov 2023 18:06:02 +0800
From:   Delphine CC Chiu <Delphine_CC_Chiu@...ynn.com>
To:     patrick@...cx.xyz, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Joel Stanley <joel@....id.au>,
        Andrew Jeffery <andrew@...econstruct.com.au>
Cc:     Delphine CC Chiu <Delphine_CC_Chiu@...ynn.com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-aspeed@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: [PATCH v1 05/10] ARM: dts: aspeed: yosemite4: Revise quad mode to dual mode

Revise quad mode to dual mode to avoid WP pin influnece the SPI

Signed-off-by: Delphine CC Chiu <Delphine_CC_Chiu@...ynn.com>
---
 .../arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts
index bcff232a1782..5bad7abd8f65 100644
--- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts
@@ -149,15 +149,17 @@ flash@0 {
 		status = "okay";
 		m25p,fast-read;
 		label = "bmc";
-		spi-rx-bus-width = <4>;
+		spi-tx-bus-width = <2>;
+		spi-rx-bus-width = <2>;
 		spi-max-frequency = <50000000>;
-#include "openbmc-flash-layout-64.dtsi"
+#include "openbmc-flash-layout-128.dtsi"
 	};
 	flash@1 {
 		status = "okay";
 		m25p,fast-read;
 		label = "bmc2";
-		spi-rx-bus-width = <4>;
+		spi-tx-bus-width = <2>;
+		spi-rx-bus-width = <2>;
 		spi-max-frequency = <50000000>;
 	};
 };
-- 
2.25.1