[PATCH RFC 3/4] clk: samsung: Add driver to control CLKOUT line on Exynos SoCs
Tushar Behera
tushar.behera at linaro.org
Mon May 19 00:16:09 PDT 2014
On 05/15/2014 11:02 PM, Tomasz Figa wrote:
> This patch introduces a driver that handles configuration of CLKOUT pin
> of Exynos SoCs that can be used to output certain clocks from inside of
> the SoC to a dedicated output pin.
>
> Signed-off-by: Tomasz Figa <t.figa at samsung.com>
> ---
Tested the series on Exynos5420-based peach-pit board for audio playback
(with an internal patch to set CLK_FIN_PLL as the parent of clkout).
Tested-by: Tushar Behera <tushar.behera at linaro.org>
> Example :
> pmu_system_controller: system-controller at 10040000 {
> compatible = "samsung,exynos5250-pmu", "syscon";
> reg = <0x10040000 0x5000>;
> + #clock-cells = <0>;
> + clock-names = "clkout0", "clkout1", "clkout2", "clkout3",
> + "clkout4", "clkout8", "clkout9";
> + clocks = <&clock CLK_OUT_DMC>, <&clock CLK_OUT_TOP>,
> + <&clock CLK_OUT_LEFTBUS>, <&clock CLK_OUT_RIGHTBUS>,
> + <&clock CLK_OUT_CPU>, <&clock CLK_XXTI>,
> + <&clock CLK_XUSBXTI>;
> };
Adding an usage example in the documentation would be helpful.
--
Tushar Behera
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