[PATCH v2 3/3] riscv: dts: sophgo: Add SARADC configuration

Thomas Bonnefille thomas.bonnefille at bootlin.com
Fri Jul 5 06:42:25 PDT 2024


Adds SARADC nodes for the common Successive Approximation Analog to
Digital Converter used in Sophgo CV18xx series SoC.
This patch adds two nodes for the two controllers the board, one in
the Active domain and the other in the No-Die domain.

Signed-off-by: Thomas Bonnefille <thomas.bonnefille at bootlin.com>
---
 arch/riscv/boot/dts/sophgo/cv1800b.dtsi |  8 ++++++++
 arch/riscv/boot/dts/sophgo/cv18xx.dtsi  | 14 ++++++++++++++
 2 files changed, 22 insertions(+)

diff --git a/arch/riscv/boot/dts/sophgo/cv1800b.dtsi b/arch/riscv/boot/dts/sophgo/cv1800b.dtsi
index ec9530972ae2..73abbb6e5363 100644
--- a/arch/riscv/boot/dts/sophgo/cv1800b.dtsi
+++ b/arch/riscv/boot/dts/sophgo/cv1800b.dtsi
@@ -25,3 +25,11 @@ &clint {
 &clk {
 	compatible = "sophgo,cv1800-clk";
 };
+
+&saradc_active {
+	compatible = "sophgo,cv1800b-saradc", "sophgo,cv18xx-saradc";
+};
+
+&saradc_nodie {
+	compatible = "sophgo,cv1800b-saradc", "sophgo,cv18xx-saradc";
+};
diff --git a/arch/riscv/boot/dts/sophgo/cv18xx.dtsi b/arch/riscv/boot/dts/sophgo/cv18xx.dtsi
index 891932ae470f..752e14fa3d0c 100644
--- a/arch/riscv/boot/dts/sophgo/cv18xx.dtsi
+++ b/arch/riscv/boot/dts/sophgo/cv18xx.dtsi
@@ -133,6 +133,14 @@ portd: gpio-controller at 0 {
 			};
 		};
 
+		saradc_active: adc at 30f0000 {
+			compatible = "sophgo,cv18xx-saradc";
+			clocks = <&clk CLK_SARADC>;
+			interrupts = <100 IRQ_TYPE_LEVEL_HIGH>;
+			reg = <0x030F0000 0x1000>;
+			status = "disabled";
+		};
+
 		i2c0: i2c at 4000000 {
 			compatible = "snps,designware-i2c";
 			reg = <0x04000000 0x10000>;
@@ -297,6 +305,12 @@ sdhci0: mmc at 4310000 {
 			status = "disabled";
 		};
 
+		saradc_nodie: adc at 502c000 {
+			compatible = "sophgo,cv18xx-saradc";
+			reg = <0x0502C000 0x1000>;
+			status = "disabled";
+		};
+
 		plic: interrupt-controller at 70000000 {
 			reg = <0x70000000 0x4000000>;
 			interrupts-extended = <&cpu0_intc 11>, <&cpu0_intc 9>;

-- 
2.45.2




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