[PATCH v6 5/5] arm64: dts: st: Enable COMBOPHY on the stm32mp257f-ev1 board

From: Christian Bruel
Date: Wed Sep 11 2024 - 04:31:15 EST


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@xxxxxxxxxxx>
---
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@80000000 {
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