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>;
};--
2.13.1
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