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Message-Id: <20250613062208.978641-1-faraz.ata@samsung.com>
Date: Fri, 13 Jun 2025 11:52:08 +0530
From: Faraz Ata <faraz.ata@...sung.com>
To: robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org,
alim.akhtar@...sung.com
Cc: devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
rosa.pila@...sung.com, Faraz Ata <faraz.ata@...sung.com>
Subject: [PATCH v1] arm64: dts: exynos: Add DT node for all SPI ports
Universal Serial Interface (USI) supports three serial protocol
like uart, i2c and spi. ExynosAutov920 has 18 instances of USI.
Add spi nodes for all the instances.
Signed-off-by: Faraz Ata <faraz.ata@...sung.com>
---
.../arm64/boot/dts/exynos/exynosautov920.dtsi | 361 ++++++++++++++++++
1 file changed, 361 insertions(+)
diff --git a/arch/arm64/boot/dts/exynos/exynosautov920.dtsi b/arch/arm64/boot/dts/exynos/exynosautov920.dtsi
index 2cb8041c8a9f..aa4798b1363c 100644
--- a/arch/arm64/boot/dts/exynos/exynosautov920.dtsi
+++ b/arch/arm64/boot/dts/exynos/exynosautov920.dtsi
@@ -455,6 +455,26 @@ serial_0: serial@...80000 {
samsung,uart-fifosize = <256>;
status = "disabled";
};
+
+ spi_0: spi@...80000 {
+ compatible = "samsung,exynosautov920-spi",
+ "samsung,exynos850-spi";
+ reg = <0x10880000 0x30>;
+ interrupts = <GIC_SPI 764 IRQ_TYPE_LEVEL_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&spi0_bus &spi0_cs_func>;
+ clocks = <&cmu_peric0 CLK_MOUT_PERIC0_NOC_USER>,
+ <&cmu_peric0 CLK_DOUT_PERIC0_USI00_USI>;
+ clock-names = "spi", "spi_busclk0";
+ samsung,spi-src-clk = <0>;
+ dmas = <&pdma0 1>, <&pdma0 0>;
+ dma-names = "tx", "rx";
+ num-cs = <1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ fifo-depth = <256>;
+ status = "disabled";
+ };
};
usi_1: usi@...a00c0 {
@@ -484,6 +504,26 @@ serial_1: serial@...a0000 {
samsung,uart-fifosize = <256>;
status = "disabled";
};
+
+ spi_1: spi@...a0000 {
+ compatible = "samsung,exynosautov920-spi",
+ "samsung,exynos850-spi";
+ reg = <0x108a0000 0x30>;
+ interrupts = <GIC_SPI 766 IRQ_TYPE_LEVEL_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&spi1_bus &spi1_cs_func>;
+ clocks = <&cmu_peric0 CLK_MOUT_PERIC0_NOC_USER>,
+ <&cmu_peric0 CLK_DOUT_PERIC0_USI01_USI>;
+ clock-names = "spi", "spi_busclk0";
+ samsung,spi-src-clk = <0>;
+ dmas = <&pdma0 3>, <&pdma0 2>;
+ dma-names = "tx", "rx";
+ num-cs = <1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ fifo-depth = <256>;
+ status = "disabled";
+ };
};
usi_2: usi@...c00c0 {
@@ -513,6 +553,26 @@ serial_2: serial@...c0000 {
samsung,uart-fifosize = <64>;
status = "disabled";
};
+
+ spi_2: spi@...c0000 {
+ compatible = "samsung,exynosautov920-spi",
+ "samsung,exynos850-spi";
+ reg = <0x108c0000 0x30>;
+ interrupts = <GIC_SPI 768 IRQ_TYPE_LEVEL_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&spi2_bus &spi2_cs_func>;
+ clocks = <&cmu_peric0 CLK_MOUT_PERIC0_NOC_USER>,
+ <&cmu_peric0 CLK_DOUT_PERIC0_USI02_USI>;
+ clock-names = "spi", "spi_busclk0";
+ samsung,spi-src-clk = <0>;
+ dmas = <&pdma0 5>, <&pdma0 4>;
+ dma-names = "tx", "rx";
+ num-cs = <1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ fifo-depth = <64>;
+ status = "disabled";
+ };
};
usi_3: usi@...e00c0 {
@@ -542,6 +602,26 @@ serial_3: serial@...e0000 {
samsung,uart-fifosize = <64>;
status = "disabled";
};
+
+ spi_3: spi@...e0000 {
+ compatible = "samsung,exynosautov920-spi",
+ "samsung,exynos850-spi";
+ reg = <0x108e0000 0x30>;
+ interrupts = <GIC_SPI 770 IRQ_TYPE_LEVEL_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&spi3_bus &spi3_cs_func>;
+ clocks = <&cmu_peric0 CLK_MOUT_PERIC0_NOC_USER>,
+ <&cmu_peric0 CLK_DOUT_PERIC0_USI03_USI>;
+ clock-names = "spi", "spi_busclk0";
+ samsung,spi-src-clk = <0>;
+ dmas = <&pdma0 7>, <&pdma0 6>;
+ dma-names = "tx", "rx";
+ num-cs = <1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ fifo-depth = <64>;
+ status = "disabled";
+ };
};
usi_4: usi@...000c0 {
@@ -571,6 +651,26 @@ serial_4: serial@...00000 {
samsung,uart-fifosize = <64>;
status = "disabled";
};
+
+ spi_4: spi@...00000 {
+ compatible = "samsung,exynosautov920-spi",
+ "samsung,exynos850-spi";
+ reg = <0x10900000 0x30>;
+ interrupts = <GIC_SPI 772 IRQ_TYPE_LEVEL_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&spi4_bus &spi4_cs_func>;
+ clocks = <&cmu_peric0 CLK_MOUT_PERIC0_NOC_USER>,
+ <&cmu_peric0 CLK_DOUT_PERIC0_USI04_USI>;
+ clock-names = "spi", "spi_busclk0";
+ samsung,spi-src-clk = <0>;
+ dmas = <&pdma0 9>, <&pdma0 8>;
+ dma-names = "tx", "rx";
+ num-cs = <1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ fifo-depth = <64>;
+ status = "disabled";
+ };
};
usi_5: usi@...200c0 {
@@ -600,6 +700,26 @@ serial_5: serial@...20000 {
samsung,uart-fifosize = <64>;
status = "disabled";
};
+
+ spi_5: spi@...20000 {
+ compatible = "samsung,exynosautov920-spi",
+ "samsung,exynos850-spi";
+ reg = <0x10920000 0x30>;
+ interrupts = <GIC_SPI 774 IRQ_TYPE_LEVEL_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&spi5_bus &spi5_cs_func>;
+ clocks = <&cmu_peric0 CLK_MOUT_PERIC0_NOC_USER>,
+ <&cmu_peric0 CLK_DOUT_PERIC0_USI05_USI>;
+ clock-names = "spi", "spi_busclk0";
+ samsung,spi-src-clk = <0>;
+ dmas = <&pdma0 11>, <&pdma0 10>;
+ dma-names = "tx", "rx";
+ num-cs = <1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ fifo-depth = <64>;
+ status = "disabled";
+ };
};
usi_6: usi@...400c0 {
@@ -629,6 +749,26 @@ serial_6: serial@...40000 {
samsung,uart-fifosize = <64>;
status = "disabled";
};
+
+ spi_6: spi@...40000 {
+ compatible = "samsung,exynosautov920-spi",
+ "samsung,exynos850-spi";
+ reg = <0x10940000 0x30>;
+ interrupts = <GIC_SPI 776 IRQ_TYPE_LEVEL_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&spi6_bus &spi6_cs_func>;
+ clocks = <&cmu_peric0 CLK_MOUT_PERIC0_NOC_USER>,
+ <&cmu_peric0 CLK_DOUT_PERIC0_USI06_USI>;
+ clock-names = "spi", "spi_busclk0";
+ samsung,spi-src-clk = <0>;
+ dmas = <&pdma0 13>, <&pdma0 12>;
+ dma-names = "tx", "rx";
+ num-cs = <1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ fifo-depth = <64>;
+ status = "disabled";
+ };
};
usi_7: usi@...600c0 {
@@ -658,6 +798,26 @@ serial_7: serial@...60000 {
samsung,uart-fifosize = <64>;
status = "disabled";
};
+
+ spi_7: spi@...60000 {
+ compatible = "samsung,exynosautov920-spi",
+ "samsung,exynos850-spi";
+ reg = <0x10960000 0x30>;
+ interrupts = <GIC_SPI 778 IRQ_TYPE_LEVEL_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&spi7_bus &spi7_cs_func>;
+ clocks = <&cmu_peric0 CLK_MOUT_PERIC0_NOC_USER>,
+ <&cmu_peric0 CLK_DOUT_PERIC0_USI07_USI>;
+ clock-names = "spi", "spi_busclk0";
+ samsung,spi-src-clk = <0>;
+ dmas = <&pdma0 15>, <&pdma0 14>;
+ dma-names = "tx", "rx";
+ num-cs = <1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ fifo-depth = <64>;
+ status = "disabled";
+ };
};
usi_8: usi@...800c0 {
@@ -687,6 +847,27 @@ serial_8: serial@...80000 {
samsung,uart-fifosize = <64>;
status = "disabled";
};
+
+ spi_8: spi@...80000 {
+ compatible = "samsung,exynosautov920-spi",
+ "samsung,exynos850-spi";
+ reg = <0x10980000 0x30>;
+ interrupts = <GIC_SPI 780 IRQ_TYPE_LEVEL_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&spi8_bus &spi8_cs_func>;
+ clocks = <&cmu_peric0 CLK_MOUT_PERIC0_NOC_USER>,
+ <&cmu_peric0 CLK_DOUT_PERIC0_USI08_USI>;
+ clock-names = "spi", "spi_busclk0";
+ samsung,spi-src-clk = <0>;
+ dmas = <&pdma0 17>, <&pdma0 16>;
+ dma-names = "tx", "rx";
+ num-cs = <1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ fifo-depth = <64>;
+ status = "disabled";
+ };
+
};
pwm: pwm@...b0000 {
@@ -752,6 +933,26 @@ serial_9: serial@...8000 {
samsung,uart-fifosize = <256>;
status = "disabled";
};
+
+ spi_9: spi@...80000 {
+ compatible = "samsung,exynosautov920-spi",
+ "samsung,exynos850-spi";
+ reg = <0x10c80000 0x30>;
+ interrupts = <GIC_SPI 787 IRQ_TYPE_LEVEL_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&spi9_bus &spi9_cs_func>;
+ clocks = <&cmu_peric1 CLK_MOUT_PERIC1_NOC_USER>,
+ <&cmu_peric1 CLK_DOUT_PERIC1_USI09_USI>;
+ clock-names = "spi", "spi_busclk0";
+ samsung,spi-src-clk = <0>;
+ dmas = <&pdma1 1>, <&pdma1 0>;
+ dma-names = "tx", "rx";
+ num-cs = <1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ fifo-depth = <256>;
+ status = "disabled";
+ };
};
usi_10: usi@...a00c0 {
@@ -781,6 +982,26 @@ serial_10: serial@...a0000 {
samsung,uart-fifosize = <64>;
status = "disabled";
};
+
+ spi_10: spi@...a0000 {
+ compatible = "samsung,exynosautov920-spi",
+ "samsung,exynos850-spi";
+ reg = <0x10ca0000 0x30>;
+ interrupts = <GIC_SPI 789 IRQ_TYPE_LEVEL_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&spi10_bus &spi10_cs_func>;
+ clocks = <&cmu_peric1 CLK_MOUT_PERIC1_NOC_USER>,
+ <&cmu_peric1 CLK_DOUT_PERIC1_USI10_USI>;
+ clock-names = "spi", "spi_busclk0";
+ samsung,spi-src-clk = <0>;
+ dmas = <&pdma1 3>, <&pdma1 2>;
+ dma-names = "tx", "rx";
+ num-cs = <1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ fifo-depth = <64>;
+ status = "disabled";
+ };
};
usi_11: usi@...c00c0 {
@@ -810,6 +1031,26 @@ serial_11: serial@...c0000 {
samsung,uart-fifosize = <64>;
status = "disabled";
};
+
+ spi_11: spi@...c0000 {
+ compatible = "samsung,exynosautov920-spi",
+ "samsung,exynos850-spi";
+ reg = <0x10cc0000 0x30>;
+ interrupts = <GIC_SPI 791 IRQ_TYPE_LEVEL_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&spi11_bus &spi11_cs_func>;
+ clocks = <&cmu_peric1 CLK_MOUT_PERIC1_NOC_USER>,
+ <&cmu_peric1 CLK_DOUT_PERIC1_USI11_USI>;
+ clock-names = "spi", "spi_busclk0";
+ samsung,spi-src-clk = <0>;
+ dmas = <&pdma1 5>, <&pdma1 4>;
+ dma-names = "tx", "rx";
+ num-cs = <1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ fifo-depth = <64>;
+ status = "disabled";
+ };
};
usi_12: usi@...e00c0 {
@@ -839,6 +1080,26 @@ serial_12: serial@...e0000 {
samsung,uart-fifosize = <64>;
status = "disabled";
};
+
+ spi_12: spi@...e0000 {
+ compatible = "samsung,exynosautov920-spi",
+ "samsung,exynos850-spi";
+ reg = <0x10ce0000 0x30>;
+ interrupts = <GIC_SPI 793 IRQ_TYPE_LEVEL_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&spi12_bus &spi12_cs_func>;
+ clocks = <&cmu_peric1 CLK_MOUT_PERIC1_NOC_USER>,
+ <&cmu_peric1 CLK_DOUT_PERIC1_USI12_USI>;
+ clock-names = "spi", "spi_busclk0";
+ samsung,spi-src-clk = <0>;
+ dmas = <&pdma1 7>, <&pdma1 6>;
+ dma-names = "tx", "rx";
+ num-cs = <1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ fifo-depth = <64>;
+ status = "disabled";
+ };
};
usi_13: usi@...000c0 {
@@ -868,6 +1129,26 @@ serial_13: serial@...00000 {
samsung,uart-fifosize = <64>;
status = "disabled";
};
+
+ spi_13: spi@...00000 {
+ compatible = "samsung,exynosautov920-spi",
+ "samsung,exynos850-spi";
+ reg = <0x10d00000 0x30>;
+ interrupts = <GIC_SPI 795 IRQ_TYPE_LEVEL_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&spi13_bus &spi13_cs_func>;
+ clocks = <&cmu_peric1 CLK_MOUT_PERIC1_NOC_USER>,
+ <&cmu_peric1 CLK_DOUT_PERIC1_USI13_USI>;
+ clock-names = "spi", "spi_busclk0";
+ samsung,spi-src-clk = <0>;
+ dmas = <&pdma1 9>, <&pdma1 8>;
+ dma-names = "tx", "rx";
+ num-cs = <1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ fifo-depth = <64>;
+ status = "disabled";
+ };
};
usi_14: usi@...200c0 {
@@ -897,6 +1178,26 @@ serial_14: serial@...20000 {
samsung,uart-fifosize = <64>;
status = "disabled";
};
+
+ spi_14: spi@...20000 {
+ compatible = "samsung,exynosautov920-spi",
+ "samsung,exynos850-spi";
+ reg = <0x10d20000 0x30>;
+ interrupts = <GIC_SPI 797 IRQ_TYPE_LEVEL_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&spi14_bus &spi14_cs_func>;
+ clocks = <&cmu_peric1 CLK_MOUT_PERIC1_NOC_USER>,
+ <&cmu_peric1 CLK_DOUT_PERIC1_USI14_USI>;
+ clock-names = "spi", "spi_busclk0";
+ samsung,spi-src-clk = <0>;
+ dmas = <&pdma1 11>, <&pdma1 10>;
+ dma-names = "tx", "rx";
+ num-cs = <1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ fifo-depth = <64>;
+ status = "disabled";
+ };
};
usi_15: usi@...400c0 {
@@ -926,6 +1227,26 @@ serial_15: serial@...40000 {
samsung,uart-fifosize = <64>;
status = "disabled";
};
+
+ spi_15: spi@...40000 {
+ compatible = "samsung,exynosautov920-spi",
+ "samsung,exynos850-spi";
+ reg = <0x10d40000 0x30>;
+ interrupts = <GIC_SPI 799 IRQ_TYPE_LEVEL_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&spi15_bus &spi15_cs_func>;
+ clocks = <&cmu_peric1 CLK_MOUT_PERIC1_NOC_USER>,
+ <&cmu_peric1 CLK_DOUT_PERIC1_USI15_USI>;
+ clock-names = "spi", "spi_busclk0";
+ samsung,spi-src-clk = <0>;
+ dmas = <&pdma1 13>, <&pdma1 12>;
+ dma-names = "tx", "rx";
+ num-cs = <1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ fifo-depth = <64>;
+ status = "disabled";
+ };
};
usi_16: usi@...600c0 {
@@ -955,6 +1276,26 @@ serial_16: serial@...60000 {
samsung,uart-fifosize = <64>;
status = "disabled";
};
+
+ spi_16: spi@...60000 {
+ compatible = "samsung,exynosautov920-spi",
+ "samsung,exynos850-spi";
+ reg = <0x10d60000 0x30>;
+ interrupts = <GIC_SPI 801 IRQ_TYPE_LEVEL_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&spi16_bus &spi16_cs_func>;
+ clocks = <&cmu_peric1 CLK_MOUT_PERIC1_NOC_USER>,
+ <&cmu_peric1 CLK_DOUT_PERIC1_USI16_USI>;
+ clock-names = "spi", "spi_busclk0";
+ samsung,spi-src-clk = <0>;
+ dmas = <&pdma1 15>, <&pdma1 14>;
+ dma-names = "tx", "rx";
+ num-cs = <1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ fifo-depth = <64>;
+ status = "disabled";
+ };
};
usi_17: usi@...800c0 {
@@ -984,6 +1325,26 @@ serial_17: serial@...80000 {
samsung,uart-fifosize = <64>;
status = "disabled";
};
+
+ spi_17: spi@...80000 {
+ compatible = "samsung,exynosautov920-spi",
+ "samsung,exynos850-spi";
+ reg = <0x10d80000 0x30>;
+ interrupts = <GIC_SPI 803 IRQ_TYPE_LEVEL_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&spi17_bus &spi17_cs_func>;
+ clocks = <&cmu_peric1 CLK_MOUT_PERIC1_NOC_USER>,
+ <&cmu_peric1 CLK_DOUT_PERIC1_USI17_USI>;
+ clock-names = "spi", "spi_busclk0";
+ samsung,spi-src-clk = <0>;
+ dmas = <&pdma1 17>, <&pdma1 16>;
+ dma-names = "tx", "rx";
+ num-cs = <1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ fifo-depth = <64>;
+ status = "disabled";
+ };
};
cmu_top: clock-controller@...00000 {
--
2.34.1
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