linux-kernel - [PATCH v2 3/3] arm64: dts: fsd: Add ADC device tree node

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Date:   Fri, 20 May 2022 20:28:20 +0530
From:   Tamseel Shams <m.shams@...sung.com>
To:     jic23@...nel.org, lars@...afoo.de, robh+dt@...nel.org,
        krzk+dt@...nel.org
Cc:     geert@...ux-m68k.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-iio@...r.kernel.org, alim.akhtar@...sung.com,
        paul@...pouillou.net, linux-fsd@...la.com,
        Tamseel Shams <m.shams@...sung.com>
Subject: [PATCH v2 3/3] arm64: dts: fsd: Add ADC device tree node

From: Alim Akhtar <alim.akhtar@...sung.com>

This patch adds ADC device tree node and enables the same
on fsd platform.

Signed-off-by: Alim Akhtar <alim.akhtar@...sung.com>
Signed-off-by: Tamseel Shams <m.shams@...sung.com>
---
- Changes since v1
* Addressed Krzysztof's comment for corrections in dt files

 arch/arm64/boot/dts/tesla/fsd-evb.dts |  4 ++++
 arch/arm64/boot/dts/tesla/fsd.dtsi    | 11 +++++++++++
 2 files changed, 15 insertions(+)

diff --git a/arch/arm64/boot/dts/tesla/fsd-evb.dts b/arch/arm64/boot/dts/tesla/fsd-evb.dts
index 5af560c1b5e6..63f26a85053a 100644
--- a/arch/arm64/boot/dts/tesla/fsd-evb.dts
+++ b/arch/arm64/boot/dts/tesla/fsd-evb.dts
@@ -34,6 +34,10 @@
 	clock-frequency = <24000000>;
 };
 
+&adc {
+	status = "okay";
+};
+
 &serial_0 {
 	status = "okay";
 };
diff --git a/arch/arm64/boot/dts/tesla/fsd.dtsi b/arch/arm64/boot/dts/tesla/fsd.dtsi
index 9a652abcbcac..f63624f2f414 100644
--- a/arch/arm64/boot/dts/tesla/fsd.dtsi
+++ b/arch/arm64/boot/dts/tesla/fsd.dtsi
@@ -748,6 +748,17 @@
 			clocks = <&fin_pll>, <&clock_imem IMEM_MCT_PCLK>;
 			clock-names = "fin_pll", "mct";
 		};
+
+		adc: adc@...a0000 {
+			compatible = "samsung,exynos-adc-fsd-hw";
+			reg = <0x0 0x141a0000 0x0 0x100>;
+			interrupts = <GIC_SPI 173 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&clock_peric PERIC_PCLK_ADCIF>;
+			clock-names = "adc";
+			#io-channel-cells = <1>;
+			io-channel-ranges;
+			status = "disabled";
+		};
 	};
 };
 
-- 
2.17.1