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SubjectRe: [PATCH 2/4] ARM: sun8i: h3/h5: add DE2 CCU device node for H3
在 2017-09-11 23:55,Icenowy Zheng 写道:
> The DE2 in H3/H5 has a clock control unit in it, and the behavior is
> slightly different between H3 and H5.
>
> Add the common parts in H3/H5 DTSI, and add the compatible string in H3
> DTSI.
>
> The compatible string of H5 DE2 CCU will be added in a separated patch.
>
> Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
> ---
> arch/arm/boot/dts/sun8i-h3.dtsi | 4 ++++
> arch/arm/boot/dts/sunxi-h3-h5.dtsi | 14 ++++++++++++++
> 2 files changed, 18 insertions(+)
>
> diff --git a/arch/arm/boot/dts/sun8i-h3.dtsi
> b/arch/arm/boot/dts/sun8i-h3.dtsi
> index b36f9f423c39..a8a1db79f362 100644
> --- a/arch/arm/boot/dts/sun8i-h3.dtsi
> +++ b/arch/arm/boot/dts/sun8i-h3.dtsi
> @@ -85,6 +85,10 @@
> compatible = "allwinner,sun8i-h3-ccu";
> };
>
> +&display_clocks {
> + compatible = "allwinner,sun8i-a83t-de2-clk";

Sorry, this compatible is wrong.

Please wait for my new version of this patchset to add a
allwinner,sun8i-h3-de2-clk and use it.

(A83T doesn't have DE mod clk, but H3 has)

> +};
> +
> &mmc0 {
> compatible = "allwinner,sun7i-a20-mmc";
> clocks = <&ccu CLK_BUS_MMC0>,
> diff --git a/arch/arm/boot/dts/sunxi-h3-h5.dtsi
> b/arch/arm/boot/dts/sunxi-h3-h5.dtsi
> index 11240a8313c2..76a4cbc99bdb 100644
> --- a/arch/arm/boot/dts/sunxi-h3-h5.dtsi
> +++ b/arch/arm/boot/dts/sunxi-h3-h5.dtsi
> @@ -40,9 +40,11 @@
> * OTHER DEALINGS IN THE SOFTWARE.
> */
>
> +#include <dt-bindings/clock/sun8i-de2.h>
> #include <dt-bindings/clock/sun8i-h3-ccu.h>
> #include <dt-bindings/clock/sun8i-r-ccu.h>
> #include <dt-bindings/interrupt-controller/arm-gic.h>
> +#include <dt-bindings/reset/sun8i-de2.h>
> #include <dt-bindings/reset/sun8i-h3-ccu.h>
> #include <dt-bindings/reset/sun8i-r-ccu.h>
>
> @@ -85,6 +87,18 @@
> #size-cells = <1>;
> ranges;
>
> + display_clocks: clock@1000000 {
> + /* compatible is in per SoC .dtsi file */
> + reg = <0x01000000 0x100000>;
> + clocks = <&ccu CLK_DE>,
> + <&ccu CLK_BUS_DE>;
> + clock-names = "mod",
> + "bus";
> + resets = <&ccu RST_BUS_DE>;
> + #clock-cells = <1>;
> + #reset-cells = <1>;
> + };
> +
> syscon: syscon@1c00000 {
> compatible = "allwinner,sun8i-h3-system-controller",
> "syscon";

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