[PATCH 2/7] dt-bindings: rng: Add Exynos850 support to exynos-trng
Krzysztof Kozlowski
krzk at kernel.org
Mon Jun 17 23:33:33 PDT 2024
On 18/06/2024 02:37, Sam Protsenko wrote:
> The TRNG block in Exynos850 is pretty much the same as in Exynos5250,
> but there are two clocks that has to be controlled to make it work:
> 1. Functional (operating) clock: called ACLK in Exynos850, the same as
> "secss" clock in Exynos5250
> 2. Interface (bus) clock: called PCLK in Exynos850. It has to be
> enabled in order to access TRNG registers
>
> Document Exynos850 compatible and the related clock changes, and provide
> a corresponding example for Exynos850 TRNG node with ACLK and PCLK
> clocks.
>
...
> +
> + rng at 12081400 {
> + compatible = "samsung,exynos850-trng";
> + reg = <0x12081400 0x100>;
> + clocks = <&cmu_core CLK_GOUT_SSS_ACLK>, <&cmu_core CLK_GOUT_SSS_PCLK>;
> + clock-names = "secss", "pclk";
> + };
No need for new example for difference in one property only.
Best regards,
Krzysztof
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