[PATCH 2/4] ARM: sun6i: dt: Add PLL6 and SPI module clocks
Josh Cartwright
joshc at codeaurora.org
Thu Jan 16 13:15:28 EST 2014
On Thu, Jan 16, 2014 at 06:11:23PM +0100, Maxime Ripard wrote:
> The module clocks in the A31 are still compatible with the A10 one. Add the SPI
> module clocks and the PLL6 in the device tree to allow their use by the SPI
> controllers.
>
> Signed-off-by: Maxime Ripard <maxime.ripard at free-electrons.com>
> ---
> arch/arm/boot/dts/sun6i-a31.dtsi | 48 +++++++++++++++++++++++++++++++---------
> 1 file changed, 38 insertions(+), 10 deletions(-)
>
> diff --git a/arch/arm/boot/dts/sun6i-a31.dtsi b/arch/arm/boot/dts/sun6i-a31.dtsi
> index 5256ad9..ae058eb 100644
> --- a/arch/arm/boot/dts/sun6i-a31.dtsi
> +++ b/arch/arm/boot/dts/sun6i-a31.dtsi
> @@ -73,16 +73,12 @@
> clocks = <&osc24M>;
> };
>
> - /*
> - * This is a dummy clock, to be used as placeholder on
> - * other mux clocks when a specific parent clock is not
> - * yet implemented. It should be dropped when the driver
> - * is complete.
> - */
> - pll6: pll6 {
> - #clock-cells = <0>;
> - compatible = "fixed-clock";
> - clock-frequency = <0>;
> + pll6: clk at 01c20028 {
> + #clock-cells = <1>;
> + compatible = "allwinner,sun6i-a31-pll6-clk";
> + reg = <0x01c20028 0x4>;
> + clocks = <&osc24M>;
> + clock-output-names = "pll6";
> };
>
> cpu: cpu at 01c20050 {
> @@ -182,6 +178,38 @@
> "apb2_uart1", "apb2_uart2", "apb2_uart3",
> "apb2_uart4", "apb2_uart5";
> };
> +
> + spi0_clk: clk at 01c200a0 {
> + #clock-cells = <0>;
> + compatible = "allwinner,sun4i-mod0-clk";
> + reg = <0x01c200a0 0x4>;
> + clocks = <&osc24M>, <&pll6>;
This looks weird. You've set the pll6 #clock-cells = <1>, but you
aren't using a specifier here. Same below, as well. The binding
documentation indicates that #clock-cells should be 0 for the pll6 node.
Josh
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