TSCADC nodes defined in the top-level J721e 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>
---
arch/arm64/boot/dts/ti/k3-j721e-beagleboneai64.dts | 2 ++
arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts | 2 ++
arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi | 2 ++
arch/arm64/boot/dts/ti/k3-j721e-sk.dts | 10 ----------
4 files changed, 6 insertions(+), 10 deletions(-)
diff --git a/arch/arm64/boot/dts/ti/k3-j721e-beagleboneai64.dts b/arch/arm64/boot/dts/ti/k3-j721e-beagleboneai64.dts
index 99536765939d9..79245a85d7c69 100644
--- a/arch/arm64/boot/dts/ti/k3-j721e-beagleboneai64.dts
+++ b/arch/arm64/boot/dts/ti/k3-j721e-beagleboneai64.dts
@@ -748,6 +748,7 @@ &usb1 {
};
&tscadc0 {
+ status = "okay";
/* BBB Header: P9.39, P9.40, P9.37, P9.38, P9.33, P9.36, P9.35 */
adc {
ti,adc-channels = <0 1 2 3 4 5 6>;
@@ -755,6 +756,7 @@ adc {
};
&tscadc1 {
+ status = "okay";
/* MCU mikroBUS Header J10.1 - MCU_ADC1_AIN0 */
adc {
ti,adc-channels = <0>;
diff --git a/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts b/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts
index 2fd940893eb5f..6cea309fc247a 100644
--- a/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts
+++ b/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts
@@ -621,12 +621,14 @@ partition@3fe0000 {
};
&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-j721e-mcu-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi
index 4d107eee9b341..37a8c80de3bc5 100644
--- a/arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi
@@ -411,6 +411,7 @@ tscadc0: tscadc@40200000 {
dmas = <&main_udmap 0x7400>,
<&main_udmap 0x7401>;
dma-names = "fifo0", "fifo1";
+ status = "disabled";
adc {
#io-channel-cells = <1>;
@@ -430,6 +431,7 @@ tscadc1: tscadc@40210000 {
dmas = <&main_udmap 0x7402>,
<&main_udmap 0x7403>;
dma-names = "fifo0", "fifo1";
+ status = "disabled";
adc {
#io-channel-cells = <1>;
diff --git a/arch/arm64/boot/dts/ti/k3-j721e-sk.dts b/arch/arm64/boot/dts/ti/k3-j721e-sk.dts
index dfb6af60482e7..ca5be7797a02b 100644
--- a/arch/arm64/boot/dts/ti/k3-j721e-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-j721e-sk.dts
@@ -829,16 +829,6 @@ &usb1 {
phy-names = "cdns3,usb3-phy";
};
-&tscadc0 {
- /* Unused */
- status = "disabled";
-};
-
-&tscadc1 {
- /* Unused */
- status = "disabled";
-};
-
&mcu_cpsw {
pinctrl-names = "default";
pinctrl-0 = <&mcu_cpsw_pins_default>, <&mcu_mdio_pins_default>;
--
2.39.2
