linux-kernel - [PATCH 18/23] arm64: zynqmp: Setup clock for DP and DPDMA

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Message-ID: <807e22371394222f728ff7d6b190a96a12145439.1683034376.git.michal.simek@amd.com>
Date:   Tue, 2 May 2023 15:35:46 +0200
From:   Michal Simek <michal.simek@....com>
To:     <linux-kernel@...r.kernel.org>, <monstr@...str.eu>,
        <michal.simek@...inx.com>, <git@...inx.com>
CC:     Andrew Davis <afd@...com>,
        Ashok Reddy Soma <ashok.reddy.soma@...inx.com>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Michael Tretter <m.tretter@...gutronix.de>,
        Parth Gajjar <parth.gajjar@....com>,
        Rob Herring <robh+dt@...nel.org>,
        Robert Hancock <robert.hancock@...ian.com>,
        "Vishal Sagar" <vishal.sagar@....com>,
        <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>
Subject: [PATCH 18/23] arm64: zynqmp: Setup clock for DP and DPDMA

Clocks are coming from shared HW design where these frequencies should be
aligned with PLL setup.

Signed-off-by: Michal Simek <michal.simek@....com>
---

 arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi       | 4 ++++
 arch/arm64/boot/dts/xilinx/zynqmp-sck-kv-g-revA.dtso | 2 ++
 arch/arm64/boot/dts/xilinx/zynqmp-sck-kv-g-revB.dtso | 2 ++
 3 files changed, 8 insertions(+)

diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi
index 681885c9bcbb..581221fdadf1 100644
--- a/arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi
+++ b/arch/arm64/boot/dts/xilinx/zynqmp-clk-ccf.dtsi
@@ -248,10 +248,14 @@ &xilinx_ams {
 
 &zynqmp_dpdma {
 	clocks = <&zynqmp_clk DPDMA_REF>;
+	assigned-clocks = <&zynqmp_clk DPDMA_REF>; /* apll */
 };
 
 &zynqmp_dpsub {
 	clocks = <&zynqmp_clk TOPSW_LSBUS>,
 		 <&zynqmp_clk DP_AUDIO_REF>,
 		 <&zynqmp_clk DP_VIDEO_REF>;
+	assigned-clocks = <&zynqmp_clk DP_STC_REF>,
+			  <&zynqmp_clk DP_AUDIO_REF>,
+			  <&zynqmp_clk DP_VIDEO_REF>;  /* rpll, rpll, vpll */
 };
diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-sck-kv-g-revA.dtso b/arch/arm64/boot/dts/xilinx/zynqmp-sck-kv-g-revA.dtso
index 817d756142ab..4f18b3efcced 100644
--- a/arch/arm64/boot/dts/xilinx/zynqmp-sck-kv-g-revA.dtso
+++ b/arch/arm64/boot/dts/xilinx/zynqmp-sck-kv-g-revA.dtso
@@ -99,10 +99,12 @@ &zynqmp_dpsub {
 	status = "disabled";
 	phy-names = "dp-phy0", "dp-phy1";
 	phys = <&psgtr 1 PHY_TYPE_DP 0 0>, <&psgtr 0 PHY_TYPE_DP 1 0>;
+	assigned-clock-rates = <27000000>, <25000000>, <300000000>;
 };
 
 &zynqmp_dpdma {
 	status = "okay";
+	assigned-clock-rates = <600000000>;
 };
 
 &usb0 {
diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-sck-kv-g-revB.dtso b/arch/arm64/boot/dts/xilinx/zynqmp-sck-kv-g-revB.dtso
index e07cec231ee0..77bc806b15a1 100644
--- a/arch/arm64/boot/dts/xilinx/zynqmp-sck-kv-g-revB.dtso
+++ b/arch/arm64/boot/dts/xilinx/zynqmp-sck-kv-g-revB.dtso
@@ -80,10 +80,12 @@ &zynqmp_dpsub {
 	status = "disabled";
 	phy-names = "dp-phy0", "dp-phy1";
 	phys = <&psgtr 1 PHY_TYPE_DP 0 0>, <&psgtr 0 PHY_TYPE_DP 1 0>;
+	assigned-clock-rates = <27000000>, <25000000>, <300000000>;
 };
 
 &zynqmp_dpdma {
 	status = "okay";
+	assigned-clock-rates = <600000000>;
 };
 
 &usb0 {
-- 
2.36.1