| Message ID | 20220503092631.174713-1-krzysztof.kozlowski@linaro.org |
|---|---|
| State | New |
| Headers | show |
| Series | arm64: dts: exynos: move XTCXO clock frequency to board in Exynos Auto v9 | expand |
> -----Original Message----- > From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> > Sent: Tuesday, May 3, 2022 6:27 PM > To: Rob Herring <robh+dt@kernel.org>; Krzysztof Kozlowski > <krzysztof.kozlowski+dt@linaro.org>; Alim Akhtar <alim.akhtar@samsung.com>; > devicetree@vger.kernel.org; linux-arm-kernel@lists.infradead.org; linux- > samsung-soc@vger.kernel.org; linux-kernel@vger.kernel.org > Cc: Chanho Park <chanho61.park@samsung.com>; Krzysztof Kozlowski > <krzysztof.kozlowski@linaro.org> > Subject: [PATCH] arm64: dts: exynos: move XTCXO clock frequency to board > in Exynos Auto v9 > > The external oscillator - XTCXO - is an input to the SoC. It is defined > in the Exynos Auto v9 SoC DTSI, because all boards will provide it and > clock controller bindings expect it, however the actual frequency of the > clock should be determined by the board. Thanks for the update. Reviewed-by: Chanho Park <chanho61.park@samsung.com> Best Regards, Chanho Park
On Tue, 3 May 2022 11:26:31 +0200, Krzysztof Kozlowski wrote: > The external oscillator - XTCXO - is an input to the SoC. It is defined > in the Exynos Auto v9 SoC DTSI, because all boards will provide it and > clock controller bindings expect it, however the actual frequency of the > clock should be determined by the board. > > Applied, thanks! [1/1] arm64: dts: exynos: move XTCXO clock frequency to board in Exynos Auto v9 commit: f223095c6e1d20aac831e75016b58ca8adbbf122 Best regards,
diff --git a/arch/arm64/boot/dts/exynos/exynosautov9-sadk.dts b/arch/arm64/boot/dts/exynos/exynosautov9-sadk.dts index 57518cb5e8c4..17e568853eb6 100644 --- a/arch/arm64/boot/dts/exynos/exynosautov9-sadk.dts +++ b/arch/arm64/boot/dts/exynos/exynosautov9-sadk.dts @@ -58,3 +58,7 @@ &ufs_0 { &usi_0 { status = "okay"; }; + +&xtcxo { + clock-frequency = <26000000>; +}; diff --git a/arch/arm64/boot/dts/exynos/exynosautov9.dtsi b/arch/arm64/boot/dts/exynos/exynosautov9.dtsi index 807d500d6022..68d087ed0459 100644 --- a/arch/arm64/boot/dts/exynos/exynosautov9.dtsi +++ b/arch/arm64/boot/dts/exynos/exynosautov9.dtsi @@ -153,7 +153,6 @@ fixed-rate-clocks { xtcxo: clock { compatible = "fixed-clock"; #clock-cells = <0>; - clock-frequency = <26000000>; clock-output-names = "oscclk"; };
The external oscillator - XTCXO - is an input to the SoC. It is defined in the Exynos Auto v9 SoC DTSI, because all boards will provide it and clock controller bindings expect it, however the actual frequency of the clock should be determined by the board. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> --- arch/arm64/boot/dts/exynos/exynosautov9-sadk.dts | 4 ++++ arch/arm64/boot/dts/exynos/exynosautov9.dtsi | 1 - 2 files changed, 4 insertions(+), 1 deletion(-)