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Message-Id: <20221104192135.1661541-3-Frank.Li@nxp.com>
Date: Fri, 4 Nov 2022 15:21:27 -0400
From: Frank Li <Frank.Li@....com>
To: han.xu@....com, Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Shawn Guo <shawnguo@...nel.org>,
Sascha Hauer <s.hauer@...gutronix.de>,
Pengutronix Kernel Team <kernel@...gutronix.de>,
Fabio Estevam <festevam@...il.com>,
NXP Linux Team <linux-imx@....com>,
Dong Aisheng <aisheng.dong@....com>,
Peng Fan <peng.fan@....com>,
Shenwei Wang <shenwei.wang@....com>,
devicetree@...r.kernel.org (open list:OPEN FIRMWARE AND FLATTENED
DEVICE TREE BINDINGS),
linux-arm-kernel@...ts.infradead.org (moderated list:ARM/FREESCALE IMX
/ MXC ARM ARCHITECTURE), linux-kernel@...r.kernel.org (open list)
Cc: imx@...ts.linux.dev
Subject: [PATCH 3/3] arm64: dts: imx8dxl: add lpspi support
Add lpspi0 lpspi1 lpspi2 lpspi3 node at common dma subsystem.
Enable lpspi0 at imx8dxl_evk boards dts.
Signed-off-by: Frank Li <Frank.Li@....com>
---
.../arm64/boot/dts/freescale/imx8-ss-dma.dtsi | 112 ++++++++++++++++++
arch/arm64/boot/dts/freescale/imx8dxl-evk.dts | 15 +++
2 files changed, 127 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx8-ss-dma.dtsi b/arch/arm64/boot/dts/freescale/imx8-ss-dma.dtsi
index bdbb660c2682..a943a1e2797f 100644
--- a/arch/arm64/boot/dts/freescale/imx8-ss-dma.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8-ss-dma.dtsi
@@ -20,6 +20,70 @@ dma_ipg_clk: clock-dma-ipg {
clock-output-names = "dma_ipg_clk";
};
+ lpspi0: spi@...00000 {
+ compatible = "fsl,imx7ulp-spi";
+ reg = <0x5a000000 0x10000>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ interrupts = <GIC_SPI 336 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-parent = <&gic>;
+ clocks = <&spi0_lpcg 0>,
+ <&spi0_lpcg 1>;
+ clock-names = "per", "ipg";
+ assigned-clocks = <&clk IMX_SC_R_SPI_0 IMX_SC_PM_CLK_PER>;
+ assigned-clock-rates = <20000000>;
+ power-domains = <&pd IMX_SC_R_SPI_0>;
+ status = "disabled";
+ };
+
+ lpspi1: spi@...10000 {
+ compatible = "fsl,imx7ulp-spi";
+ reg = <0x5a010000 0x10000>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ interrupts = <GIC_SPI 337 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-parent = <&gic>;
+ clocks = <&spi1_lpcg 0>,
+ <&spi1_lpcg 1>;
+ clock-names = "per", "ipg";
+ assigned-clocks = <&clk IMX_SC_R_SPI_1 IMX_SC_PM_CLK_PER>;
+ assigned-clock-rates = <60000000>;
+ power-domains = <&pd IMX_SC_R_SPI_1>;
+ status = "disabled";
+ };
+
+ lpspi2: spi@...20000 {
+ compatible = "fsl,imx7ulp-spi";
+ reg = <0x5a020000 0x10000>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ interrupts = <GIC_SPI 338 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-parent = <&gic>;
+ clocks = <&spi2_lpcg 0>,
+ <&spi2_lpcg 1>;
+ clock-names = "per", "ipg";
+ assigned-clocks = <&clk IMX_SC_R_SPI_2 IMX_SC_PM_CLK_PER>;
+ assigned-clock-rates = <60000000>;
+ power-domains = <&pd IMX_SC_R_SPI_2>;
+ status = "disabled";
+ };
+
+ lpspi3: spi@...30000 {
+ compatible = "fsl,imx7ulp-spi";
+ reg = <0x5a030000 0x10000>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ interrupts = <GIC_SPI 339 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-parent = <&gic>;
+ clocks = <&spi3_lpcg 0>,
+ <&spi3_lpcg 1>;
+ clock-names = "per", "ipg";
+ assigned-clocks = <&clk IMX_SC_R_SPI_3 IMX_SC_PM_CLK_PER>;
+ assigned-clock-rates = <60000000>;
+ power-domains = <&pd IMX_SC_R_SPI_3>;
+ status = "disabled";
+ };
+
lpuart0: serial@...60000 {
reg = <0x5a060000 0x1000>;
interrupts = <GIC_SPI 225 IRQ_TYPE_LEVEL_HIGH>;
@@ -60,6 +124,54 @@ lpuart3: serial@...90000 {
status = "disabled";
};
+ spi0_lpcg: clock-controller@...00000 {
+ compatible = "fsl,imx8qxp-lpcg";
+ reg = <0x5a400000 0x10000>;
+ #clock-cells = <1>;
+ clocks = <&clk IMX_SC_R_SPI_0 IMX_SC_PM_CLK_PER>,
+ <&dma_ipg_clk>;
+ clock-indices = <IMX_LPCG_CLK_0>, <IMX_LPCG_CLK_4>;
+ clock-output-names = "spi0_lpcg_clk",
+ "spi0_lpcg_ipg_clk";
+ power-domains = <&pd IMX_SC_R_SPI_0>;
+ };
+
+ spi1_lpcg: clock-controller@...10000 {
+ compatible = "fsl,imx8qxp-lpcg";
+ reg = <0x5a410000 0x10000>;
+ #clock-cells = <1>;
+ clocks = <&clk IMX_SC_R_SPI_1 IMX_SC_PM_CLK_PER>,
+ <&dma_ipg_clk>;
+ clock-indices = <IMX_LPCG_CLK_0>, <IMX_LPCG_CLK_4>;
+ clock-output-names = "spi1_lpcg_clk",
+ "spi1_lpcg_ipg_clk";
+ power-domains = <&pd IMX_SC_R_SPI_1>;
+ };
+
+ spi2_lpcg: clock-controller@...20000 {
+ compatible = "fsl,imx8qxp-lpcg";
+ reg = <0x5a420000 0x10000>;
+ #clock-cells = <1>;
+ clocks = <&clk IMX_SC_R_SPI_2 IMX_SC_PM_CLK_PER>,
+ <&dma_ipg_clk>;
+ clock-indices = <IMX_LPCG_CLK_0>, <IMX_LPCG_CLK_4>;
+ clock-output-names = "spi2_lpcg_clk",
+ "spi2_lpcg_ipg_clk";
+ power-domains = <&pd IMX_SC_R_SPI_2>;
+ };
+
+ spi3_lpcg: clock-controller@...30000 {
+ compatible = "fsl,imx8qxp-lpcg";
+ reg = <0x5a430000 0x10000>;
+ #clock-cells = <1>;
+ clocks = <&clk IMX_SC_R_SPI_3 IMX_SC_PM_CLK_PER>,
+ <&dma_ipg_clk>;
+ clock-indices = <IMX_LPCG_CLK_0>, <IMX_LPCG_CLK_4>;
+ clock-output-names = "spi3_lpcg_clk",
+ "spi3_lpcg_ipg_clk";
+ power-domains = <&pd IMX_SC_R_SPI_3>;
+ };
+
uart0_lpcg: clock-controller@...60000 {
compatible = "fsl,imx8qxp-lpcg";
reg = <0x5a460000 0x10000>;
diff --git a/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts b/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts
index f8d416f7fd92..280a9c9d8bd9 100644
--- a/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8dxl-evk.dts
@@ -359,6 +359,21 @@ &usdhc2 {
status = "okay";
};
+&lpspi3 {
+ fsl,spi-num-chipselects = <1>;
+ fsl,spi-only-use-cs1-sel;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_lpspi3>;
+ pinctrl-assert-gpios = <&pca6416_1 7 GPIO_ACTIVE_HIGH>;
+ status = "okay";
+
+ spidev0: spi@0 {
+ reg = <0>;
+ compatible = "rohm,dh2228fv";
+ spi-max-frequency = <30000000>;
+ };
+};
+
&iomuxc {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_hog>;
--
2.34.1
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