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    SubjectRe: [PATCH 2/2] dt-bindings: power: add amlogic meeson power domain bindings
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    On 17/10/2017 09:38, Neil Armstrong wrote:
    > Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
    > ---
    > .../bindings/power/amlogic,meson-gx-pwrc.txt | 65 ++++++++++++++++++++++
    > 1 file changed, 65 insertions(+)
    > create mode 100644 Documentation/devicetree/bindings/power/amlogic,meson-gx-pwrc.txt
    >
    > diff --git a/Documentation/devicetree/bindings/power/amlogic,meson-gx-pwrc.txt b/Documentation/devicetree/bindings/power/amlogic,meson-gx-pwrc.txt
    > new file mode 100644
    > index 0000000..94c2474
    > --- /dev/null
    > +++ b/Documentation/devicetree/bindings/power/amlogic,meson-gx-pwrc.txt
    > @@ -0,0 +1,65 @@
    > +Amlogic Meson Power Controller
    > +==============================
    > +
    > +The Amlogic Meson SoCs embeds an internal Power domain controller.
    > +
    > +VPU Power Domain
    > +----------------
    > +
    > +The Video Processing Unit power domain is controlled by this power controller,
    > +but the domain requires some external resources to meet the correct power
    > +sequences.
    > +The bindings must respect the power domain bindings as described in the file
    > +power_domain.txt
    > +
    > +Device Tree Bindings:
    > +---------------------
    > +
    > +Required properties:
    > +- compatible: value should be different for each SoC family as :
    > + - GXBB (S905) : "amlogic,meson-gxbb-vpu"
    > + - GXL (S905X, S905D) : "amlogic,meson-gxl-vpu"
    > + - GXM (S912) : "amlogic,meson-gxm-vpu"
    > + followed by the common "amlogic,meson-gx-vpu"

    Oops, wrong compatibles, please ignore this patch, I'll repost it.

    > +- #power-domain-cells: should be 0
    > +- amlogic,hhi-sysctrl: phandle to the HHI sysctrl node
    > +- resets: phandles to the reset lines needed for this power demain sequence
    > + as described in ../reset/reset.txt
    > +- clocks: from common clock binding: handle to VPU and VAPB clocks
    > +- clock-names: from common clock binding: must contain "vpu", "vapb"
    > + corresponding to entry in the clocks property.
    > +
    > +Parent node should have the following properties :
    > +- compatible: "amlogic,meson-gx-ao-sysctrl", "syscon", "simple-mfd"
    > +- reg: base address and size of the AO system control register space.
    > +
    > +Example:
    > +-------
    > +
    > +ao_sysctrl: sys-ctrl@0 {
    > + compatible = "amlogic,meson-gx-ao-sysctrl", "syscon", "simple-mfd";
    > + reg = <0x0 0x0 0x0 0x100>;
    > +
    > + pwrc_vpu: power-controller-vpu {
    > + compatible = "amlogic,meson-gx-pwrc-vpu";
    > + #power-domain-cells = <0>;
    > + amlogic,hhi-sysctrl = <&sysctrl>;
    > + resets = <&reset RESET_VIU>,
    > + <&reset RESET_VENC>,
    > + <&reset RESET_VCBUS>,
    > + <&reset RESET_BT656>,
    > + <&reset RESET_DVIN_RESET>,
    > + <&reset RESET_RDMA>,
    > + <&reset RESET_VENCI>,
    > + <&reset RESET_VENCP>,
    > + <&reset RESET_VDAC>,
    > + <&reset RESET_VDI6>,
    > + <&reset RESET_VENCL>,
    > + <&reset RESET_VID_LOCK>;
    > + clocks = <&clkc CLKID_VPU>,
    > + <&clkc CLKID_VAPB>;
    > + clock-names = "vpu", "vapb";
    > + };
    > +};
    > +
    > +
    >

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