From: Michal Simek <michal.simek@amd.com>
Date: Mon, 29 Jan 2024 07:46:43 +0000 (+0100)
Subject: arm64: zynqmp: Describe 25MHz fixed clock for PL GEMs
X-Git-Url: http://git.dujemihanovic.xyz/%22http:/www.sics.se/static/git-logo.png?a=commitdiff_plain;h=8e9566c98118fa66d663f65b13aa5577844224b8;p=u-boot.git

arm64: zynqmp: Describe 25MHz fixed clock for PL GEMs

Describe 25Mhz fixed oscilator which is providing clock for PL based
ethernet IPs. Physicially it is one chip but it is described as 2 fixed
clock to be aligned with other SOM versions which were using integrated
clock generators where clocks could be adjusted via i2c (si5332 chips).

Signed-off-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/c430aeacaa76d9f61ed3f874f721a33049f45eb9.1706514396.git.michal.simek@amd.com
---

diff --git a/arch/arm/dts/zynqmp-sck-kd-g-revA.dtso b/arch/arm/dts/zynqmp-sck-kd-g-revA.dtso
index 766f78303e..b3fc17cbd5 100644
--- a/arch/arm/dts/zynqmp-sck-kd-g-revA.dtso
+++ b/arch/arm/dts/zynqmp-sck-kd-g-revA.dtso
@@ -32,6 +32,18 @@
 		#clock-cells = <0>;
 		clock-frequency = <26000000>;
 	};
+
+	clk_25_0: clock4 { /* u92/u91 - GEM2 */
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <25000000>;
+	};
+
+	clk_25_1: clock5 { /* u92/u91 - GEM3 */
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <25000000>;
+	};
 };
 
 &can0 {