TSCADC nodes defined in the top-level AM64 SoC dtsi files are incomplete
and may not be functional unless they are extended with pinmux and/or
device information.
Disable the TSCADC nodes in the dtsi files and only enable the ones that
are actually pinned out on a given board.
Signed-off-by: Andrew Davis <afd@xxxxxx>
Reviewed-by: Dhruva Gole <d-gole@xxxxxx>
---
arch/arm64/boot/dts/ti/k3-am64-main.dtsi | 1 +
arch/arm64/boot/dts/ti/k3-am642-sk.dts | 4 ----
arch/arm64/boot/dts/ti/k3-am642-tqma64xxl-mbax4xxl.dts | 1 +
3 files changed, 2 insertions(+), 4 deletions(-)
diff --git a/arch/arm64/boot/dts/ti/k3-am64-main.dtsi b/arch/arm64/boot/dts/ti/k3-am64-main.dtsi
index ed1b63b9c1c5f..0df54a7418247 100644
--- a/arch/arm64/boot/dts/ti/k3-am64-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am64-main.dtsi
@@ -765,6 +765,7 @@ tscadc0: tscadc@28001000 {
assigned-clock-parents = <&k3_clks 0 3>;
assigned-clock-rates = <60000000>;
clock-names = "fck";
+ status = "disabled";
adc {
#io-channel-cells = <1>;
diff --git a/arch/arm64/boot/dts/ti/k3-am642-sk.dts b/arch/arm64/boot/dts/ti/k3-am642-sk.dts
index af06ccd466802..722fd285a34ec 100644
--- a/arch/arm64/boot/dts/ti/k3-am642-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-am642-sk.dts
@@ -513,10 +513,6 @@ cpsw3g_phy1: ethernet-phy@1 {
};
};
-&tscadc0 {
- status = "disabled";
-};
-
&ospi0 {
status = "okay";
pinctrl-names = "default";
diff --git a/arch/arm64/boot/dts/ti/k3-am642-tqma64xxl-mbax4xxl.dts b/arch/arm64/boot/dts/ti/k3-am642-tqma64xxl-mbax4xxl.dts
index ac132a0867d06..04c15b64f0b77 100644
--- a/arch/arm64/boot/dts/ti/k3-am642-tqma64xxl-mbax4xxl.dts
+++ b/arch/arm64/boot/dts/ti/k3-am642-tqma64xxl-mbax4xxl.dts
@@ -424,6 +424,7 @@ &sdhci1 {
};
&tscadc0 {
+ status = "okay";
adc {
ti,adc-channels = <0 1 2 3 4 5 6 7>;
};
--
2.39.2
