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Message-ID: <20221108073252.35169-1-b-kapoor@ti.com>
Date: Tue, 8 Nov 2022 13:02:52 +0530
From: Bhavya Kapoor <b-kapoor@...com>
To: <robh+dt@...nel.org>, <krzysztof.kozlowski+dt@...aro.org>,
<linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>
CC: <linux-arm-kernel@...ts.infradead.org>, <vigneshr@...com>,
<nm@...com>, <piyali_g@...com>, <b-kapoor@...com>
Subject: [PATCH] arm64: dts: ti: k3-j721s2: Add support for ADC nodes
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@...com>
---
.../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@...00000 {
+ compatible = "ti,am3359-tscadc";
+ reg = <0x0 0x40200000 0x0 0x1000>;
+ interrupts = <GIC_SPI 892 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@...10000 {
+ compatible = "ti,am3359-tscadc";
+ reg = <0x0 0x40210000 0x0 0x1000>;
+ interrupts = <GIC_SPI 893 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";
+ };
+ };
};
--
2.20.1
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