linux-kernel - [PATCH 5/5] arm64: dts: st: Enable COMBOPHY on the stm32mp257f-ev1 board

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Message-ID: <20240827122459.1102889-6-christian.bruel@foss.st.com>
Date: Tue, 27 Aug 2024 14:24:59 +0200
From: Christian Bruel <christian.bruel@...s.st.com>
To: <vkoul@...nel.org>, <kishon@...nel.org>, <robh@...nel.org>,
        <krzk+dt@...nel.org>, <conor+dt@...nel.org>,
        <mcoquelin.stm32@...il.com>, <alexandre.torgue@...s.st.com>,
        <p.zabel@...gutronix.de>
CC: <linux-phy@...ts.infradead.org>, <devicetree@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
        <fabrice.gasnier@...s.st.com>,
        Christian Bruel <christian.bruel@...s.st.com>
Subject: [PATCH 5/5] arm64: dts: st: Enable COMBOPHY on the stm32mp257f-ev1 board

Enable the COMBOPHY with external pad clock on stm32mp257f-ev1
board, to be used for the PCIe clock provider.

Signed-off-by: Christian Bruel <christian.bruel@...s.st.com>
---
 arch/arm64/boot/dts/st/stm32mp257f-ev1.dts | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts b/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts
index 214191a8322b..bcf84d533cb2 100644
--- a/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts
+++ b/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts
@@ -27,6 +27,14 @@ chosen {
 		stdout-path = "serial0:115200n8";
 	};
 
+	clocks {
+		pad_clk: pad-clk {
+			#clock-cells = <0>;
+			compatible = "fixed-clock";
+			clock-frequency = <100000000>;
+		};
+	};
+
 	memory@...00000 {
 		device_type = "memory";
 		reg = <0x0 0x80000000 0x1 0x0>;
@@ -50,6 +58,12 @@ &arm_wdt {
 	status = "okay";
 };
 
+&combophy {
+	clocks = <&rcc CK_BUS_USB3PCIEPHY>, <&rcc CK_KER_USB3PCIEPHY>, <&pad_clk>;
+	clock-names = "apb", "ker", "pad";
+	status = "okay";
+};
+
 &ethernet2 {
 	pinctrl-names = "default", "sleep";
 	pinctrl-0 = <&eth2_rgmii_pins_a>;
-- 
2.34.1