linux-kernel - [PATCH v1] arm64: dts: ti: k3-am62p: Enable AUDIO

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Message-Id: <20250206153911.414702-1-francesco@dolcini.it>
Date: Thu,  6 Feb 2025 16:39:11 +0100
From: Francesco Dolcini <francesco@...cini.it>
To: Nishanth Menon <nm@...com>,
	Vignesh Raghavendra <vigneshr@...com>,
	Tero Kristo <kristo@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>
Cc: Francesco Dolcini <francesco.dolcini@...adex.com>,
	linux-arm-kernel@...ts.infradead.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v1] arm64: dts: ti: k3-am62p: Enable AUDIO_REFCLKx

From: Francesco Dolcini <francesco.dolcini@...adex.com>

On AM62P-based SoCs the AUDIO_REFCLKx clocks can be used as an input to
external peripherals when configured through CTRL_MMR, so add the
clock nodes.

Link: http://downloads.ti.com/tisci/esd/latest/5_soc_doc/am62px/clocks.html
Signed-off-by: Francesco Dolcini <francesco.dolcini@...adex.com>
---
 arch/arm64/boot/dts/ti/k3-am62p-main.dtsi | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am62p-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62p-main.dtsi
index 420c77c8e9e5..4b47b0774330 100644
--- a/arch/arm64/boot/dts/ti/k3-am62p-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62p-main.dtsi
@@ -42,6 +42,26 @@ &inta_main_dmss {
 	ti,interrupt-ranges = <5 69 35>;
 };
 
+&main_conf {
+	audio_refclk0: clock-controller@...0 {
+		compatible = "ti,am62-audio-refclk";
+		reg = <0x82e0 0x4>;
+		clocks = <&k3_clks 157 0>;
+		assigned-clocks = <&k3_clks 157 0>;
+		assigned-clock-parents = <&k3_clks 157 16>;
+		#clock-cells = <0>;
+	};
+
+	audio_refclk1: clock-controller@...4 {
+		compatible = "ti,am62-audio-refclk";
+		reg = <0x82e4 0x4>;
+		clocks = <&k3_clks 157 18>;
+		assigned-clocks = <&k3_clks 157 18>;
+		assigned-clock-parents = <&k3_clks 157 34>;
+		#clock-cells = <0>;
+	};
+};
+
 &main_pmx0 {
 	pinctrl-single,gpio-range =
 		<&main_pmx0_range 0 32 PIN_GPIO_RANGE_IOPAD>,
-- 
2.39.5