On Tue, Jul 10, 2018 at 04:36:56PM +0000, Yixun Lan wrote:
> Document the MMC sub clock controller driver, the potential consumer
> of this driver is MMC or NAND.
So you all have decided to properly model this now?
>
> Signed-off-by: Yixun Lan <yixun....@amlogic.com>
> ---
> .../bindings/clock/amlogic,mmc-clkc.txt | 31 +++++++++++++++++++
> 1 file changed, 31 insertions(+)
> create mode 100644
> Documentation/devicetree/bindings/clock/amlogic,mmc-clkc.txt
>
> diff --git a/Documentation/devicetree/bindings/clock/amlogic,mmc-clkc.txt
> b/Documentation/devicetree/bindings/clock/amlogic,mmc-clkc.txt
> new file mode 100644
> index 000000000000..ff6b4bf3ecf9
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/clock/amlogic,mmc-clkc.txt
> @@ -0,0 +1,31 @@
> +* Amlogic MMC Sub Clock Controller Driver
> +
> +The Amlogic MMC clock controller generates and supplies clock to support
> +MMC and NAND controller
> +
> +Required Properties:
> +
> +- compatible: should be:
> + "amlogic,meson-gx-mmc-clkc"
> + "amlogic,meson-axg-mmc-clkc"
> +
> +- #clock-cells: should be 1.
> +- clocks: phandles to clocks corresponding to the clock-names property
> +- clock-names: list of parent clock names
> + - "clkin0", "clkin1"
> +
> +Parent node should have the following properties :
> +- compatible: "syscon", "simple-mfd, and "amlogic,meson-axg-mmc-clkc"
You don't need "simple-mfd" and probably not syscon either. The order is
wrong too. Most specific first.
> +- reg: base address and size of the MMC control register space.
> +
> +Example: Clock controller node:
> +
> +sd_mmc_c_clkc: clock-controller@7000 {
> + compatible = "amlogic,mmc-clkc", "syscon", "simple-mfd";
Doesn't match the binding...
> + reg = <0x0 0x7000 0x0 0x4>;
> + #clock-cells = <1>;
> +
> + clock-names = "clkin0", "clkin1";
> + clocks = <&clkc CLKID_SD_MMC_C_CLK0>,
> + <&clkc CLKID_FCLK_DIV2>;
> +};
> --
> 2.18.0
>
