linux-kernel - [PATCH v3 03/14] ARM: dts: aspeed: yosemite4: Enable spi-gpio setting

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Message-Id: <20231211054730.208588-4-Delphine_CC_Chiu@wiwynn.com>
Date:   Mon, 11 Dec 2023 13:47:18 +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 v3 03/14] ARM: dts: aspeed: yosemite4: Enable spi-gpio setting

enable spi-gpio setting for spi flash

Signed-off-by: Delphine CC Chiu <Delphine_CC_Chiu@...ynn.com>
---
 .../aspeed/aspeed-bmc-facebook-yosemite4.dts   | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

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 c32736fbaf70..0449a7e36ff6 100644
--- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts
+++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts
@@ -53,6 +53,24 @@ iio-hwmon {
 				<&adc0 4>, <&adc0 5>, <&adc0 6>, <&adc0 7>,
 				<&adc1 0>, <&adc1 1>, <&adc1 7>;
 	};
+
+	spi_gpio: spi-gpio {
+		compatible = "spi-gpio";
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		gpio-sck = <&gpio0 ASPEED_GPIO(X, 3) GPIO_ACTIVE_HIGH>;
+		gpio-mosi = <&gpio0 ASPEED_GPIO(X, 4) GPIO_ACTIVE_HIGH>;
+		gpio-miso = <&gpio0 ASPEED_GPIO(X, 5) GPIO_ACTIVE_HIGH>;
+		num-chipselects = <1>;
+		cs-gpios = <&gpio0 ASPEED_GPIO(X, 0) GPIO_ACTIVE_LOW>;
+
+		tpmdev@0 {
+			compatible = "tcg,tpm_tis-spi";
+			spi-max-frequency = <33000000>;
+			reg = <0>;
+		};
+	};
 };
 
 &uart1 {
-- 
2.25.1