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    SubjectRe: [PATCH V8 01/12] dt-bindings: soc: Add dvfsrc driver bindings
    On Tue, Jan 26, 2021 at 04:03:43PM +0800, Henry Chen wrote:
    > Document the binding for enabling dvfsrc on MediaTek SoC.
    >
    > Signed-off-by: Henry Chen <henryc.chen@mediatek.com>
    > ---
    > .../devicetree/bindings/soc/mediatek/dvfsrc.yaml | 67 ++++++++++++++++++++++
    > include/dt-bindings/interconnect/mtk,mt8183-emi.h | 21 +++++++
    > 2 files changed, 88 insertions(+)
    > create mode 100644 Documentation/devicetree/bindings/soc/mediatek/dvfsrc.yaml
    > create mode 100644 include/dt-bindings/interconnect/mtk,mt8183-emi.h
    >
    > diff --git a/Documentation/devicetree/bindings/soc/mediatek/dvfsrc.yaml b/Documentation/devicetree/bindings/soc/mediatek/dvfsrc.yaml
    > new file mode 100644
    > index 0000000..0b746a8
    > --- /dev/null
    > +++ b/Documentation/devicetree/bindings/soc/mediatek/dvfsrc.yaml
    > @@ -0,0 +1,67 @@
    > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
    > +%YAML 1.2
    > +---
    > +$id: "http://devicetree.org/schemas/soc/mediatek/dvfsrc.yaml#"
    > +$schema: "http://devicetree.org/meta-schemas/core.yaml#"
    > +
    > +title: MediaTek dynamic voltage and frequency scaling resource collector (DVFSRC)
    > +
    > +description: |
    > + The Dynamic Voltage and Frequency Scaling Resource Collector (DVFSRC) is a
    > + HW module which is used to collect all the requests from both software and
    > + hardware and turn into the decision of minimum operating voltage and minimum
    > + DRAM frequency to fulfill those requests.
    > +
    > +maintainers:
    > + - henryc.chen <henryc.chen@mediatek.com>
    > +
    > +properties:
    > + reg:
    > + description: DVFSRC common register address and length.

    maxItems: 1

    > +
    > + compatible:
    > + enum:
    > + - mediatek,mt6873-dvfsrc
    > + - mediatek,mt8183-dvfsrc
    > + - mediatek,mt8192-dvfsrc
    > +
    > + '#interconnect-cells':
    > + const: 1
    > +
    > +patternProperties:
    > + dvfsrc-vcore:

    Not a pattern. Move to 'properties'.

    > + type: object
    > + description:
    > + The DVFSRC regulator is modelled as a subdevice of the DVFSRC.
    > + Because DVFSRC can request power directly via register read/write, likes
    > + vcore which is a core power of mt8183. As such, the DVFSRC regulator
    > + requires that DVFSRC nodes be present.
    > + $ref: /schemas/regulator/regulator.yaml#
    > +
    > +required:
    > + - compatible
    > + - reg
    > + - "#interconnect-cells"
    > +
    > +additionalProperties: false
    > +
    > +examples:
    > + - |
    > + #include <dt-bindings/interconnect/mtk,mt8183-emi.h>
    > +
    > + soc {
    > + #address-cells = <2>;
    > + #size-cells = <2>;
    > +
    > + dvfsrc@10012000 {
    > + compatible = "mediatek,mt8183-dvfsrc";
    > + reg = <0 0x10012000 0 0x1000>;
    > + #interconnect-cells = <1>;
    > + dvfsrc_vcore: dvfsrc-vcore {
    > + regulator-name = "dvfsrc-vcore";
    > + regulator-min-microvolt = <725000>;
    > + regulator-max-microvolt = <800000>;
    > + regulator-always-on;
    > + };
    > + };
    > + };
    > diff --git a/include/dt-bindings/interconnect/mtk,mt8183-emi.h b/include/dt-bindings/interconnect/mtk,mt8183-emi.h
    > new file mode 100644
    > index 0000000..dfd143f
    > --- /dev/null
    > +++ b/include/dt-bindings/interconnect/mtk,mt8183-emi.h
    > @@ -0,0 +1,21 @@
    > +/* SPDX-License-Identifier: GPL-2.0
    > + *
    > + * Copyright (c) 2021 MediaTek Inc.
    > + */
    > +
    > +#ifndef __DT_BINDINGS_INTERCONNECT_MTK_MT8183_EMI_H
    > +#define __DT_BINDINGS_INTERCONNECT_MTK_MT8183_EMI_H
    > +
    > +#define MT8183_SLAVE_DDR_EMI 0
    > +#define MT8183_MASTER_MCUSYS 1
    > +#define MT8183_MASTER_GPU 2
    > +#define MT8183_MASTER_MMSYS 3
    > +#define MT8183_MASTER_MM_VPU 4
    > +#define MT8183_MASTER_MM_DISP 5
    > +#define MT8183_MASTER_MM_VDEC 6
    > +#define MT8183_MASTER_MM_VENC 7
    > +#define MT8183_MASTER_MM_CAM 8
    > +#define MT8183_MASTER_MM_IMG 9
    > +#define MT8183_MASTER_MM_MDP 10
    > +
    > +#endif
    > --
    > 1.9.1
    >

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