[RFC,09/10] arm64: dts: apple: t8103: Add MCA and its support

Commit Message

Janne Grunau Sept. 9, 2022, 1:51 p.m. UTC

From: Martin Povišer <[e-mail]>

Add the MCA I2S transceiver node and its supporting NCO, ADMAC nodes.

Signed-off-by: Martin Povišer <[e-mail]>
Signed-off-by: Janne Grunau <[e-mail]>
---

 arch/arm64/boot/dts/apple/t8103-jxxx.dtsi |  4 ++
 arch/arm64/boot/dts/apple/t8103.dtsi      | 73 +++++++++++++++++++++++
 2 files changed, 77 insertions(+)

Patch

diff --git a/arch/arm64/boot/dts/apple/t8103-jxxx.dtsi b/arch/arm64/boot/dts/apple/t8103-jxxx.dtsi
index fe2ae40fa9dd..503a1b243efa 100644
--- a/arch/arm64/boot/dts/apple/t8103-jxxx.dtsi
+++ b/arch/arm64/boot/dts/apple/t8103-jxxx.dtsi
@@ -76,3 +76,7 @@  wifi0: network@0,0 {
 		local-mac-address = [00 00 00 00 00 00];
 	};
 };
+
+&nco_clkref {
+	clock-frequency = <900000000>;
+};
diff --git a/arch/arm64/boot/dts/apple/t8103.dtsi b/arch/arm64/boot/dts/apple/t8103.dtsi
index 51a63b29d404..51bc901482db 100644
--- a/arch/arm64/boot/dts/apple/t8103.dtsi
+++ b/arch/arm64/boot/dts/apple/t8103.dtsi
@@ -116,6 +116,16 @@  clkref: clock-ref {
 		clock-output-names = "clkref";
 	};
 
+	/*
+	 * This is a fabulated representation of the input clock
+	 * to NCO since we don't know the true clock tree.
+	 */
+	nco_clkref: clock-ref-nco {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-output-names = "nco_ref";
+	};
+
 	soc {
 		compatible = "simple-bus";
 		#address-cells = <2>;
@@ -124,6 +134,15 @@  soc {
 		ranges;
 		nonposted-mmio;
 
+		dart_sio: iommu@235004000 {
+			compatible = "apple,t8103-dart";
+			reg = <0x2 0x35004000 0x0 0x4000>;
+			interrupt-parent = <&aic>;
+			interrupts = <AIC_IRQ 635 IRQ_TYPE_LEVEL_HIGH>;
+			#iommu-cells = <1>;
+			power-domains = <&ps_sio_cpu>;
+		};
+
 		i2c0: i2c@235010000 {
 			compatible = "apple,t8103-i2c", "apple,i2c";
 			reg = <0x2 0x35010000 0x0 0x4000>;
@@ -219,6 +238,60 @@  serial2: serial@235208000 {
 			status = "disabled";
 		};
 
+		admac: dma-controller@238200000 {
+			compatible = "apple,t8103-admac", "apple,admac";
+			reg = <0x2 0x38200000 0x0 0x34000>;
+			dma-channels = <24>;
+			interrupts-extended = <0>,
+					      <&aic AIC_IRQ 626 IRQ_TYPE_LEVEL_HIGH>,
+					      <0>,
+					      <0>;
+			#dma-cells = <1>;
+			iommus = <&dart_sio 2>;
+			power-domains = <&ps_sio_adma>;
+		};
+
+		mca: i2s@238400000 {
+			compatible = "apple,t8103-mca", "apple,mca";
+			reg = <0x2 0x38400000 0x0 0x18000>,
+			      <0x2 0x38300000 0x0 0x30000>;
+
+			interrupt-parent = <&aic>;
+			interrupts = <AIC_IRQ 619 IRQ_TYPE_LEVEL_HIGH>,
+				     <AIC_IRQ 620 IRQ_TYPE_LEVEL_HIGH>,
+				     <AIC_IRQ 621 IRQ_TYPE_LEVEL_HIGH>,
+				     <AIC_IRQ 622 IRQ_TYPE_LEVEL_HIGH>,
+				     <AIC_IRQ 623 IRQ_TYPE_LEVEL_HIGH>,
+				     <AIC_IRQ 624 IRQ_TYPE_LEVEL_HIGH>;
+
+			resets = <&ps_audio_p>;
+			clocks = <&nco 0>, <&nco 1>, <&nco 2>,
+				 <&nco 3>, <&nco 4>, <&nco 4>;
+			power-domains = <&ps_audio_p>, <&ps_mca0>, <&ps_mca1>,
+					<&ps_mca2>, <&ps_mca3>, <&ps_mca4>, <&ps_mca5>;
+			dmas = <&admac 0>, <&admac 1>, <&admac 2>, <&admac 3>,
+			       <&admac 4>, <&admac 5>, <&admac 6>, <&admac 7>,
+			       <&admac 8>, <&admac 9>, <&admac 10>, <&admac 11>,
+			       <&admac 12>, <&admac 13>, <&admac 14>, <&admac 15>,
+			       <&admac 16>, <&admac 17>, <&admac 18>, <&admac 19>,
+			       <&admac 20>, <&admac 21>, <&admac 22>, <&admac 23>;
+			dma-names = "tx0a", "rx0a", "tx0b", "rx0b",
+				"tx1a", "rx1a", "tx1b", "rx1b",
+				"tx2a", "rx2a", "tx2b", "rx2b",
+				"tx3a", "rx3a", "tx3b", "rx3b",
+				"tx4a", "rx4a", "tx4b", "rx4b",
+				"tx5a", "rx5a", "tx5b", "rx5b";
+
+			#sound-dai-cells = <1>;
+		};
+
+		nco: clock-controller@23b044000 {
+			compatible = "apple,t8103-nco", "apple,nco";
+			reg = <0x2 0x3b044000 0x0 0x14000>;
+			clocks = <&nco_clkref>;
+			#clock-cells = <1>;
+		};
+
 		aic: interrupt-controller@23b100000 {
 			compatible = "apple,t8103-aic", "apple,aic";
 			#interrupt-cells = <3>;