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

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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
This commit is contained in:
Michal Simek
2024-01-29 08:46:43 +01:00
parent 0845f5c803
commit 8e9566c981
1 changed files with 12 additions and 0 deletions
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12
arch/arm/dts/zynqmp-sck-kd-g-revA.dtso
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@@ -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 {