On 11/8/22 11:48 PM, Krzysztof Kozlowski wrote:
On 08/11/2022 08:32, Bhavya Kapoor wrote:
J721S2 has two instances of 8 channel ADCs in MCU domain. Add DT nodes
for 8 channel ADCs for J721S2.
Enable ADCs present on J721S2 soc.
Signed-off-by: Bhavya Kapoor <b-kapoor@xxxxxx>
---
.../dts/ti/k3-j721s2-common-proc-board.dts | 14 +++++++
.../boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi | 40 +++++++++++++++++++
2 files changed, 54 insertions(+)
diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts b/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts
index b210cc07c539..de9cb40273be 100644
--- a/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts
+++ b/arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts
@@ -429,3 +429,17 @@
&main_mcan17 {
status = "disabled";
};
+
+&tscadc0 {
+ status = "okay";
+ adc {
+ ti,adc-channels = <0 1 2 3 4 5 6 7>;
+ };
+};
+
+&tscadc1 {
+ status = "okay";
+ adc {
+ ti,adc-channels = <0 1 2 3 4 5 6 7>;
+ };
+};
diff --git a/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi
index 4d1bfabd1313..47a7a6b500c2 100644
--- a/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi
@@ -299,4 +299,44 @@
ti,cpts-periodic-outputs = <2>;
};
};
+
+ tscadc0: tscadc@40200000 {
Node names should be generic, so "adc"
https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation
tscadc is just a wrapper node. The actual adc node is inside of tscadc node.
Best regards,
Krzysztof
Regards
BK