On Tuesday 12 of November 2013 12:04:46 Leela Krishna Amudala wrote:
> This patch adds pmusysreg node to exynos5250 and exynos5420 dtsi files to
> handle PMU register accesses in a centralized way using syscon driver
>
> Signed-off-by: Leela Krishna Amudala <[email protected]>
> Reviewed-by: Tomasz Figa <[email protected]>
> ---
> Documentation/devicetree/bindings/arm/samsung/pmu.txt | 13 +++++++++++++
> arch/arm/boot/dts/exynos5250.dtsi | 5 +++++
> arch/arm/boot/dts/exynos5420.dtsi | 5 +++++
> 3 files changed, 23 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/arm/samsung/pmu.txt
>
> diff --git a/Documentation/devicetree/bindings/arm/samsung/pmu.txt
> b/Documentation/devicetree/bindings/arm/samsung/pmu.txt
> new file mode 100644
> index 0000000..90f975d
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/arm/samsung/pmu.txt
> @@ -0,0 +1,13 @@
> +SAMSUNG Exynos SoC series PMU Registers
> +
> +Properties:
> + - name : should be 'syscon';
> + - compatible : should contain "samsung,<chip name>-pmu", "syscon";
AFAIR there was a discussion about using <chip name> wildcards some
time ago and if I remember correctly, the conclusion was that the list
of all supported compatible values should be provided anyway, so there
is no point in using such wildcards.
This is how I would write this:
- compatible : should contain two values. First value must be one from
following list:
- "samsung,exynos5250-pmu" - for Exynos5250 SoC,
- "samsung,exynos5420-pmu" - for Exynos5420 SoC.
Second value must be always "syscon".
Best regards,
Tomasz
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