From: Christian Bruel <christian.bruel@foss.st.com>
Date: Mon, 30 Sep 2024 17:08:47 +0000 (+0200)
Subject: arm64: dts: st: Enable COMBOPHY on the stm32mp257f-ev1 board
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=0df076d35c58bfec06803d317251b0ffc3c039a9;p=users%2Fwilly%2Fxarray.git

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@foss.st.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
---

diff --git a/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts b/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts
index 6f393b082789..753df49dbcb5 100644
--- a/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts
+++ b/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts
@@ -27,6 +27,14 @@
 		stdout-path = "serial0:115200n8";
 	};
 
+	clocks {
+		pad_clk: pad-clk {
+			#clock-cells = <0>;
+			compatible = "fixed-clock";
+			clock-frequency = <100000000>;
+		};
+	};
+
 	memory@80000000 {
 		device_type = "memory";
 		reg = <0x0 0x80000000 0x1 0x0>;
@@ -50,6 +58,12 @@
 	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>;