On 06/15/2016 04:13 PM, Laxman Dewangan wrote:
> Maxim has used the same clock IP on multiple PMICs like
> MAX77686, MAX77802, MAX77620. Only differences are the
> number of clocks from these PMICs.
>
> Add clock binding details and example for the max77620 in
> maxim,max77686.
>
> Signed-off-by: Laxman Dewangan <[email protected]>
> CC: Krzysztof Kozlowski <[email protected]>
> CC: Javier Martinez Canillas <[email protected]>
> ---
> .../devicetree/bindings/clock/maxim,max77686.txt | 38
> +++++++++++++++++++---
> include/dt-bindings/mfd/max77620.h | 4 +++
> 2 files changed, 38 insertions(+), 4 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/clock/maxim,max77686.txt
> b/Documentation/devicetree/bindings/clock/maxim,max77686.txt
> index 354e5ab..24deb19 100644
> --- a/Documentation/devicetree/bindings/clock/maxim,max77686.txt
> +++ b/Documentation/devicetree/bindings/clock/maxim,max77686.txt
> @@ -1,8 +1,11 @@
> -Binding for Maxim MAX77686/MAX77802 32k clock generator block
> +Binding for Maxim MAX77686/MAX77802/MAX77620 32k clock generator block
>
> -This is a part of device tree bindings of MAX77686/MAX77802 multi-function
> -device. More information can be found in bindings/mfd/max77686.txt file for
> -MAX77686 and bindings/mfd/max77802.txt for MAX77802.
> +This is a part of device tree bindings of MAX77686/MAX77802/MAX77620
> +multi-function device. More information can be found in MFD DT binding
> +doc as follows:
> + bindings/mfd/max77686.txt for MAX77686 and
> + bindings/mfd/max77802.txt for MAX77802 and
> + bindings/mfd/max77620.txt for MAX77620.
>
> The MAX77686 contains three 32.768khz clock outputs that can be controlled
> (gated/ungated) over I2C.
> @@ -10,6 +13,9 @@ The MAX77686 contains three 32.768khz clock outputs that
> can be controlled
> The MAX77802 contains two 32.768khz clock outputs that can be controlled
> (gated/ungated) over I2C.
>
> +The MAX77686 contains one 32.768khz clock outputs that can be controlled
> +(gated/ungated) over I2C.
> +
> Following properties should be presend in main device node of the MFD chip.
Please update the information about allowed IDs.
>
> Required properties:
> @@ -82,3 +88,27 @@ Example:
> clock-names = "my-clock";
> clocks = <&max77802 MAX77802_CLK_32K_AP>;
> };
> +
> +
> +3. With MAX77620:
> +
> +#include <dt-bindings/mfd/max77620.h>
> +:::
Same as before: ':::'
> +
> + Node of the MFD chip
> + max77620: max77620@3c {
> + compatible = "maxim,max77620";
> + reg = <0x3c>;
> + :::
> + #clock-cells = <1>;
> + :::
> + };
> +
> + Clock consumer node
> +
> + foo@0 {
> + compatible = "bar,foo";
> + /* ... */
> + clock-names = "my-clock";
> + clocks = <&max77620 MAX77620_CLK_32K_OUT0>;
> + };
> diff --git a/include/dt-bindings/mfd/max77620.h
> b/include/dt-bindings/mfd/max77620.h
> index b911a07..e1bd08c 100644
> --- a/include/dt-bindings/mfd/max77620.h
> +++ b/include/dt-bindings/mfd/max77620.h
> @@ -36,4 +36,8 @@
> #define MAX77620_FPS_SRC_NONE 3
> #define MAX77620_FPS_SRC_DEF 4
>
> +/* MAX77686 clocks */
copy&paste error.
> +#define MAX77620_CLKS_NUM 1
> +#define MAX77620_CLK_32K_OUT0 0
First clk ID, then NUM.
Best regards,
Krzysztof
> +
> #endif
>
