linux-kernel - [PATCH v4 06/11] arm64: dts: mt7986: add spi related device nodes

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Message-Id: <20221112091518.7846-7-linux@fw-web.de>
Date:   Sat, 12 Nov 2022 10:15:13 +0100
From:   Frank Wunderlich <linux@...web.de>
To:     linux-mediatek@...ts.infradead.org
Cc:     Frank Wunderlich <frank-w@...lic-files.de>,
        Ryder Lee <ryder.lee@...iatek.com>,
        Jianjun Wang <jianjun.wang@...iatek.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Chunfeng Yun <chunfeng.yun@...iatek.com>,
        Kishon Vijay Abraham I <kishon@...com>,
        Vinod Koul <vkoul@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Paolo Abeni <pabeni@...hat.com>,
        Lorenzo Bianconi <lorenzo@...nel.org>,
        Bo Jiao <Bo.Jiao@...iatek.com>, linux-pci@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-phy@...ts.infradead.org, linux-usb@...r.kernel.org,
        Sam Shih <sam.shih@...iatek.com>
Subject: [PATCH v4 06/11] arm64: dts: mt7986: add spi related device nodes

From: Sam Shih <sam.shih@...iatek.com>

This patch adds spi support for MT7986.

Signed-off-by: Sam Shih <sam.shih@...iatek.com>
Signed-off-by: Frank Wunderlich <frank-w@...lic-files.de>
---
 arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts | 35 ++++++++++++++++++++
 arch/arm64/boot/dts/mediatek/mt7986a.dtsi    | 28 ++++++++++++++++
 arch/arm64/boot/dts/mediatek/mt7986b-rfb.dts | 35 ++++++++++++++++++++
 3 files changed, 98 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts b/arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts
index 2f48cc3d3ddb..006878e3f2b2 100644
--- a/arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts
+++ b/arch/arm64/boot/dts/mediatek/mt7986a-rfb.dts
@@ -59,6 +59,20 @@ switch: switch@0 {
 };
 
 &pio {
+	spi_flash_pins: spi-flash-pins {
+		mux {
+			function = "spi";
+			groups = "spi0", "spi0_wp_hold";
+		};
+	};
+
+	spic_pins: spic-pins {
+		mux {
+			function = "spi";
+			groups = "spi1_2";
+		};
+	};
+
 	uart1_pins: uart1-pins {
 		mux {
 			function = "uart";
@@ -105,6 +119,27 @@ conf {
 	};
 };
 
+&spi0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&spi_flash_pins>;
+	cs-gpios = <0>, <0>;
+	status = "okay";
+	spi_nand: spi_nand@0 {
+		compatible = "spi-nand";
+		reg = <0>;
+		spi-max-frequency = <10000000>;
+		spi-tx-buswidth = <4>;
+		spi-rx-buswidth = <4>;
+	};
+};
+
+&spi1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&spic_pins>;
+	cs-gpios = <0>, <0>;
+	status = "okay";
+};
+
 &switch {
 	ports {
 		#address-cells = <1>;
diff --git a/arch/arm64/boot/dts/mediatek/mt7986a.dtsi b/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
index afc01abfa99c..29da9b8ed753 100644
--- a/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7986a.dtsi
@@ -253,6 +253,34 @@ i2c0: i2c@...08000 {
 			status = "disabled";
 		};
 
+		spi0: spi@...0a000 {
+			compatible = "mediatek,mt7986-spi-ipm", "mediatek,spi-ipm";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0 0x1100a000 0 0x100>;
+			interrupts = <GIC_SPI 140 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&topckgen CLK_TOP_MPLL_D2>,
+				 <&topckgen CLK_TOP_SPI_SEL>,
+				 <&infracfg CLK_INFRA_SPI0_CK>,
+				 <&infracfg CLK_INFRA_SPI0_HCK_CK>;
+			clock-names = "parent-clk", "sel-clk", "spi-clk", "hclk";
+			status = "disabled";
+		};
+
+		spi1: spi@...0b000 {
+			compatible = "mediatek,mt7986-spi-ipm", "mediatek,spi-ipm";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0 0x1100b000 0 0x100>;
+			interrupts = <GIC_SPI 141 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&topckgen CLK_TOP_MPLL_D2>,
+				 <&topckgen CLK_TOP_SPIM_MST_SEL>,
+				 <&infracfg CLK_INFRA_SPI1_CK>,
+				 <&infracfg CLK_INFRA_SPI1_HCK_CK>;
+			clock-names = "parent-clk", "sel-clk", "spi-clk", "hclk";
+			status = "disabled";
+		};
+
 		ethsys: syscon@...00000 {
 			 #address-cells = <1>;
 			 #size-cells = <1>;
diff --git a/arch/arm64/boot/dts/mediatek/mt7986b-rfb.dts b/arch/arm64/boot/dts/mediatek/mt7986b-rfb.dts
index 79c5c78f7a14..2c7f1d4fb352 100644
--- a/arch/arm64/boot/dts/mediatek/mt7986b-rfb.dts
+++ b/arch/arm64/boot/dts/mediatek/mt7986b-rfb.dts
@@ -100,6 +100,20 @@ fixed-link {
 };
 
 &pio {
+	spi_flash_pins: spi-flash-pins {
+		mux {
+			function = "spi";
+			groups = "spi0", "spi0_wp_hold";
+		};
+	};
+
+	spic_pins: spic-pins {
+		mux {
+			function = "spi";
+			groups = "spi1_2";
+		};
+	};
+
 	wf_2g_5g_pins: wf-2g-5g-pins {
 		mux {
 			function = "wifi";
@@ -132,6 +146,27 @@ conf {
 	};
 };
 
+&spi0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&spi_flash_pins>;
+	cs-gpios = <0>, <0>;
+	status = "okay";
+	spi_nand: spi_nand@0 {
+		compatible = "spi-nand";
+		reg = <0>;
+		spi-max-frequency = <10000000>;
+		spi-tx-buswidth = <4>;
+		spi-rx-buswidth = <4>;
+	};
+};
+
+&spi1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&spic_pins>;
+	cs-gpios = <0>, <0>;
+	status = "okay";
+};
+
 &uart0 {
 	status = "okay";
 };
-- 
2.34.1