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From:   Francesco Dolcini <francesco@dolcini.it>
To:     Nishanth Menon <nm@ti.com>, Vignesh Raghavendra <vigneshr@ti.com>,
        Tero Kristo <kristo@kernel.org>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Conor Dooley <conor+dt@kernel.org>
Cc:     Jai Luthra <j-luthra@ti.com>, linux-arm-kernel@lists.infradead.org,
        devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
        Francesco Dolcini <francesco.dolcini@toradex.com>
Subject: [PATCH v2 1/4] arm64: dts: ti: k3-am62x: Enable AUDIO_REFCLKx
Date:   Sun,  6 Aug 2023 10:51:10 +0200
Message-Id: <20230806085113.15373-2-francesco@dolcini.it>
In-Reply-To: <20230806085113.15373-1-francesco@dolcini.it>
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From: Jai Luthra <j-luthra@ti.com>

On AM62-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.

Signed-off-by: Jai Luthra <j-luthra@ti.com>
Signed-off-by: Francesco Dolcini <francesco.dolcini@toradex.com>
---
v2:
 - s/clock/clock-controller/ on audio refclk nodes name.
---
 arch/arm64/boot/dts/ti/k3-am62-main.dtsi  | 18 ++++++++++++++++++
 arch/arm64/boot/dts/ti/k3-am62a-main.dtsi | 18 ++++++++++++++++++
 2 files changed, 36 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
index ef90b2bc81eb..5f19ef46d44c 100644
--- a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
@@ -60,6 +60,24 @@ epwm_tbclk: clock-controller@4130 {
 			reg = <0x4130 0x4>;
 			#clock-cells = <1>;
 		};
+
+		audio_refclk0: clock-controller@82e0 {
+			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 8>;
+			#clock-cells = <0>;
+		};
+
+		audio_refclk1: clock-controller@82e4 {
+			compatible = "ti,am62-audio-refclk";
+			reg = <0x82e4 0x4>;
+			clocks = <&k3_clks 157 10>;
+			assigned-clocks = <&k3_clks 157 10>;
+			assigned-clock-parents = <&k3_clks 157 18>;
+			#clock-cells = <0>;
+		};
 	};
 
 	dmss: bus@48000000 {
diff --git a/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi
index 3198af08fb9f..75ea7202e071 100644
--- a/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am62a-main.dtsi
@@ -60,6 +60,24 @@ epwm_tbclk: clock-controller@4130 {
 			reg = <0x4130 0x4>;
 			#clock-cells = <1>;
 		};
+
+		audio_refclk0: clock-controller@82e0 {
+			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 8>;
+			#clock-cells = <0>;
+		};
+
+		audio_refclk1: clock-controller@82e4 {
+			compatible = "ti,am62-audio-refclk";
+			reg = <0x82e4 0x4>;
+			clocks = <&k3_clks 157 10>;
+			assigned-clocks = <&k3_clks 157 10>;
+			assigned-clock-parents = <&k3_clks 157 18>;
+			#clock-cells = <0>;
+		};
 	};
 
 	dmss: bus@48000000 {
-- 
2.25.1