Re: [PATCH 08/13] ARM: dts: meson: add the SAR ADC

This adds the SAR ADC to meson.dtsi and configures the clocks on Meson8
and Meson8b to allow boards to use it. Some boards use it to connect a
button to it.

Signed-off-by: Martin Blumenstingl <martin.blumenstingl-gM/Ye1E23mwN+BqQ9rBEUg@public.gmane.org>
---
 arch/arm/boot/dts/meson.dtsi   | 8 ++++++++
 arch/arm/boot/dts/meson8.dtsi  | 8 ++++++++
 arch/arm/boot/dts/meson8b.dtsi | 8 ++++++++
 3 files changed, 24 insertions(+)

diff --git a/arch/arm/boot/dts/meson.dtsi b/arch/arm/boot/dts/meson.dtsi
index 8d9c36970dfd..b05796bee088 100644
--- a/arch/arm/boot/dts/meson.dtsi
+++ b/arch/arm/boot/dts/meson.dtsi

@@ -101,6 +101,14 @@
 				status = "disabled";
 			};
 
+			saradc: adc@8680 {
+				compatible = "amlogic,meson-saradc";
+				reg = <0x8680 0x34>;
+				#io-channel-cells = <1>;
+				interrupts = <0 73 1>;

+				status = "disabled";
+			};
+
 			uart_C: serial@8700 {
 				compatible = "amlogic,meson-uart";
 				reg = <0x8700 0x18>;

diff --git a/arch/arm/boot/dts/meson8.dtsi b/arch/arm/boot/dts/meson8.dtsi
index 1bbfc04c3f10..8582490fcb52 100644
--- a/arch/arm/boot/dts/meson8.dtsi
+++ b/arch/arm/boot/dts/meson8.dtsi

@@ -232,6 +232,14 @@
 	arm,filter-ranges = <0x100000 0xc0000000>;
 };
 
+&saradc {
+	compatible = "amlogic,meson8-saradc", "amlogic,meson-saradc";
+	clocks = <&clkc CLKID_XTAL>,
+		<&clkc CLKID_SAR_ADC>,
+		<&clkc CLKID_SANA>;
+	clock-names = "clkin", "core", "sana";
+};
+
 &spifc {
 	clocks = <&clkc CLKID_CLK81>;
 };

diff --git a/arch/arm/boot/dts/meson8b.dtsi b/arch/arm/boot/dts/meson8b.dtsi
index d9f116a418b2..1c09090ff4a5 100644
--- a/arch/arm/boot/dts/meson8b.dtsi
+++ b/arch/arm/boot/dts/meson8b.dtsi

@@ -177,6 +177,14 @@
 	arm,filter-ranges = <0x100000 0xc0000000>;
 };
 
+&saradc {
+	compatible = "amlogic,meson8b-saradc", "amlogic,meson-saradc";
+	clocks = <&clkc CLKID_XTAL>,
+		<&clkc CLKID_SAR_ADC>,
+		<&clkc CLKID_SANA>;
+	clock-names = "clkin", "core", "sana";
+};
+
 &uart_AO {
 	clocks = <&clkc CLKID_CLK81>;
 };