linux-kernel - [PATCH v5 3/3] riscv: dts: sophgo: Add SARADC description for Sophgo CV1800B

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Message-Id: <20240829-sg2002-adc-v5-3-aacb381e869b@bootlin.com>
Date: Thu, 29 Aug 2024 14:31:52 +0200
From: Thomas Bonnefille <thomas.bonnefille@...tlin.com>
To: Jonathan Cameron <jic23@...nel.org>, 
 Lars-Peter Clausen <lars@...afoo.de>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Chen Wang <unicorn_wang@...look.com>, 
 Inochi Amaoto <inochiama@...look.com>, 
 Paul Walmsley <paul.walmsley@...ive.com>, 
 Palmer Dabbelt <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>
Cc: Thomas Petazzoni <thomas.petazzoni@...tlin.com>, 
 Miquèl Raynal <miquel.raynal@...tlin.com>, 
 linux-iio@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org, 
 Thomas Bonnefille <thomas.bonnefille@...tlin.com>
Subject: [PATCH v5 3/3] riscv: dts: sophgo: Add SARADC description for
 Sophgo CV1800B

Add SARADC node for the Successive Approximation Analog to
Digital Converter used in Sophgo CV1800B SoC.
This patch only adds the active domain controller.

Signed-off-by: Thomas Bonnefille <thomas.bonnefille@...tlin.com>
---
 arch/riscv/boot/dts/sophgo/cv18xx.dtsi | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/arch/riscv/boot/dts/sophgo/cv18xx.dtsi b/arch/riscv/boot/dts/sophgo/cv18xx.dtsi
index 891932ae470f..da1ac59e976f 100644
--- a/arch/riscv/boot/dts/sophgo/cv18xx.dtsi
+++ b/arch/riscv/boot/dts/sophgo/cv18xx.dtsi
@@ -133,6 +133,28 @@ portd: gpio-controller@0 {
 			};
 		};
 
+		saradc: adc@...0000 {
+			compatible = "sophgo,cv1800b-saradc";
+			reg = <0x030f0000 0x1000>;
+			clocks = <&clk CLK_SARADC>;
+			interrupts = <100 IRQ_TYPE_LEVEL_HIGH>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+
+			channel@0 {
+				reg = <0>;
+			};
+
+			channel@1 {
+				reg = <1>;
+			};
+
+			channel@2 {
+				reg = <2>;
+			};
+		};
+
 		i2c0: i2c@...0000 {
 			compatible = "snps,designware-i2c";
 			reg = <0x04000000 0x10000>;

-- 
2.46.0