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Subject[PATCH v2] arm64: dts: ti: k3-j721s2: Add support for ADC nodes
Date
J721s2 has two instances of 8 channel ADCs in MCU domain. Add DT nodes
for 8 channel ADCs for J721s2 SoC.

Signed-off-by: Bhavya Kapoor <b-kapoor@ti.com>
---

Changelog v1 -> v2:
- Updated Interrupt Values for tscadc

.../dts/ti/k3-j721s2-common-proc-board.dts | 14 +++++++
.../boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi | 42 ++++++++++++++++++-
2 files changed, 55 insertions(+), 1 deletion(-)

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 a7aa6cf08acd..67593aa69327 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
@@ -309,3 +309,17 @@ &mcu_mcan1 {
pinctrl-0 = <&mcu_mcan1_pins_default>;
phys = <&transceiver2>;
};
+
+&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>;
+ };
+};
\ No newline at end of file
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 0af242aa9816..8673eb1309c3 100644
--- a/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi
@@ -306,4 +306,44 @@ cpts@3d000 {
ti,cpts-periodic-outputs = <2>;
};
};
-};
+
+ tscadc0: tscadc@40200000 {
+ compatible = "ti,am3359-tscadc";
+ reg = <0x0 0x40200000 0x0 0x1000>;
+ interrupts = <GIC_SPI 860 IRQ_TYPE_LEVEL_HIGH>;
+ power-domains = <&k3_pds 0 TI_SCI_PD_EXCLUSIVE>;
+ clocks = <&k3_clks 0 0>;
+ assigned-clocks = <&k3_clks 0 2>;
+ assigned-clock-rates = <60000000>;
+ clock-names = "adc_tsc_fck";
+ dmas = <&main_udmap 0x7400>,
+ <&main_udmap 0x7401>;
+ dma-names = "fifo0", "fifo1";
+ status = "disabled";
+
+ adc {
+ #io-channel-cells = <1>;
+ compatible = "ti,am3359-adc";
+ };
+ };
+
+ tscadc1: tscadc@40210000 {
+ compatible = "ti,am3359-tscadc";
+ reg = <0x0 0x40210000 0x0 0x1000>;
+ interrupts = <GIC_SPI 861 IRQ_TYPE_LEVEL_HIGH>;
+ power-domains = <&k3_pds 1 TI_SCI_PD_EXCLUSIVE>;
+ clocks = <&k3_clks 1 0>;
+ assigned-clocks = <&k3_clks 1 2>;
+ assigned-clock-rates = <60000000>;
+ clock-names = "adc_tsc_fck";
+ dmas = <&main_udmap 0x7402>,
+ <&main_udmap 0x7403>;
+ dma-names = "fifo0", "fifo1";
+ status = "disabled";
+
+ adc {
+ #io-channel-cells = <1>;
+ compatible = "ti,am3359-adc";
+ };
+ };
+ };
\ No newline at end of file
--
2.37.2
\
 
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