On Thu, Jun 14, 2018 at 11:56:31AM +0100, Michel Pollet wrote:
> The Renesas R9A06G032 SYSCTRL node description.
>
> Signed-off-by: Michel Pollet <michel.pollet@xxxxxxxxxxxxxx>
> ---
> .../bindings/clock/renesas,r9a06g032-sysctrl.txt | 44 ++++++++++++++++++++++
> 1 file changed, 44 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/clock/renesas,r9a06g032-sysctrl.txt
One nit, otherwise:
Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
>
> diff --git a/Documentation/devicetree/bindings/clock/renesas,r9a06g032-sysctrl.txt b/Documentation/devicetree/bindings/clock/renesas,r9a06g032-sysctrl.txt
> new file mode 100644
> index 0000000..f6cb5e3
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/clock/renesas,r9a06g032-sysctrl.txt
> @@ -0,0 +1,44 @@
> +* Renesas R9A06G032 SYSCTRL
> +
> +Required Properties:
> +
> + - compatible: Must be:
> + - "renesas,r9a06g032-sysctrl"
> + - reg: Base address and length of the SYSCTRL IO block.
> + - #clock-cells: Must be 1
> + - clocks: References to the parent clocks:
> + - external 40mhz crystal.
> + - external (optional) 32.768khz
> + - external (optional) jtag input
> + - external (optional) RGMII_REFCLK
> + - clock-names: Must be:
> + clock-names = "mclk", "rtc", "jtag", "rgmii_ref_ext";
> +
> +Examples
> +--------
> +
> + - SYSCTRL node:
> +
> + sysctrl: system-controller@4000c000 {
> + compatible = "renesas,r9a06g032-sysctrl";
> + reg = <0x4000c000 0x1000>;
> + status = "okay";
Don't show status in examples.
> + #clock-cells = <1>;
> +
> + clocks = <&ext_mclk>, <&ext_rtc_clk>,
> + <&ext_jtag_clk>, <&ext_rgmii_ref>;
> + clock-names = "mclk", "rtc", "jtag", "rgmii_ref_ext";
> + };
> +
> + - Other nodes can use the clocks provided by SYSCTRL as in:
> +
> + #include <dt-bindings/clock/r9a06g032-sysctrl.h>
> + uart0: serial@40060000 {
> + compatible = "snps,dw-apb-uart";
> + reg = <0x40060000 0x400>;
> + interrupts = <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>;
> + reg-shift = <2>;
> + reg-io-width = <4>;
> + clocks = <&sysctrl R9A06G032_CLK_UART0>;
> + clock-names = "baudclk";
> + };
> --
> 2.7.4
>
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