arm64: dts: ti: k3-j721e: Enable TSCADC nodes at the board level

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@ti.com>
Link: https://lore.kernel.org/r/20230810003814.85450-12-afd@ti.com
Signed-off-by: Nishanth Menon <nm@ti.com>

diff --git a/arch/arm64/boot/dts/ti/k3-j721e-beagleboneai64.dts b/arch/arm64/boot/dts/ti/k3-j721e-beagleboneai64.dts
index f06e7bd..9f3a809 100644 (file)
--- a/arch/arm64/boot/dts/ti/k3-j721e-beagleboneai64.dts
+++ b/arch/arm64/boot/dts/ti/k3-j721e-beagleboneai64.dts
@@ -747,6 +747,7 @@
 };
 
 &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>;
@@ -754,6 +755,7 @@
 };
 
 &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 824874a..fe5207a 100644 (file)
--- a/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts
+++ b/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts
@@ -619,12 +619,14 @@
 };
 
 &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 4ecc19b..2724fa4 100644 (file)
--- 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 @@
                dmas = <&main_udmap 0x7400>,
                        <&main_udmap 0x7401>;
                dma-names = "fifo0", "fifo1";
+               status = "disabled";
 
                adc {
                        #io-channel-cells = <1>;
@@ -430,6 +431,7 @@
                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 ed4994d..4032601 100644 (file)
--- a/arch/arm64/boot/dts/ti/k3-j721e-sk.dts
+++ b/arch/arm64/boot/dts/ti/k3-j721e-sk.dts
@@ -828,16 +828,6 @@
        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>;