Re: [PATCH 1/2] clk: max77620: Add DT binding doc for MAX77620 clock

From: Javier Martinez Canillas
Date: Fri Jun 10 2016 - 09:26:52 EST


Hello Laxman,

On Fri, Jun 10, 2016 at 6:12 AM, Laxman Dewangan <ldewangan@xxxxxxxxxx> wrote:
> MAXIM MAX77620 is the power management IC with multiple DCDC/LDO
> regulators, RTC, GPIOs, Watchdog, 32KHz clock source etc.
>
> Add DT binding doc for the details of the properties for MAX76620
> clocks.
>
> Signed-off-by: Laxman Dewangan <ldewangan@xxxxxxxxxx>
> ---
> .../devicetree/bindings/clock/clk-max77620.txt | 31 ++++++++++++++++++++++

The DT binding for the clock outputs found in the other Maxim PMICs
(max77686 and max77802) are named maxim,max77{686,802} so I think it
would be better to call this maxim,max7720 for consistency.

> 1 file changed, 31 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/clock/clk-max77620.txt
>
> diff --git a/Documentation/devicetree/bindings/clock/clk-max77620.txt b/Documentation/devicetree/bindings/clock/clk-max77620.txt
> new file mode 100644
> index 0000000..cda6ef7
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/clock/clk-max77620.txt
> @@ -0,0 +1,31 @@
> +* Maxim MAX77620 32KHz clocks *
> +
> +Maxim Power Management IC (PMIC) has clock output pins for 32KHz.
> +

I think it would be nice to mention that this should be defined in the
node for the max77620 PMIC and probably have a reference to the MFD
binding. Look how the other max77xxx DT bindings do.

> +This binding uses the common clock binding ./clock-bindings.txt.
> +
> +Required Properties:
> +--------------------
> +
> +-#clock-cells : shall be set to 0.
> +
> +Example:
> +
> +#include <dt-bindings/mfd/max77620.h>
> +...
> +
> +i2c@7000d000 {
> + spmic: max77620@3c {
> + compatible = "maxim,max77620";
> + :::::
> + #clock-cells = <0>;
> + :::
> + };
> +};
> +
> +bluetooth {
> + compatible = "bcom,bluuetooth-device";
> + clocks = <&smic>;
> + clock-names = "in-32k";
> + :::
> +};
> --

Best regards,
Javier