On 28/08/2019 11:11, Weiyi Lu wrote:
> Add power dt-bindings of MT8183 and introduces "BASIC" and
> "SUBSYS" clock types in binding document.
> The "BASIC" type is compatible to the original power control with
> clock name [a-z]+[0-9]*, e.g. mm, vpu1.
> The "SUBSYS" type is used for bus protection control with clock
> name [a-z]+-[0-9]+, e.g. isp-0, cam-1.
>
> Signed-off-by: Weiyi Lu <weiyi...@mediatek.com>
> ---
> .../devicetree/bindings/soc/mediatek/scpsys.txt | 14 ++++++++++++
> include/dt-bindings/power/mt8183-power.h | 26
> ++++++++++++++++++++++
> 2 files changed, 40 insertions(+)
> create mode 100644 include/dt-bindings/power/mt8183-power.h
>
> diff --git a/Documentation/devicetree/bindings/soc/mediatek/scpsys.txt
> b/Documentation/devicetree/bindings/soc/mediatek/scpsys.txt
> index 876693a..00eab7e 100644
> --- a/Documentation/devicetree/bindings/soc/mediatek/scpsys.txt
> +++ b/Documentation/devicetree/bindings/soc/mediatek/scpsys.txt
> @@ -14,6 +14,7 @@ power/power_domain.txt. It provides the power domains
> defined in
> - include/dt-bindings/power/mt2701-power.h
> - include/dt-bindings/power/mt2712-power.h
> - include/dt-bindings/power/mt7622-power.h
> +- include/dt-bindings/power/mt8183-power.h
>
> Required properties:
> - compatible: Should be one of:
> @@ -25,18 +26,31 @@ Required properties:
> - "mediatek,mt7623a-scpsys": For MT7623A SoC
> - "mediatek,mt7629-scpsys", "mediatek,mt7622-scpsys": For MT7629 SoC
> - "mediatek,mt8173-scpsys"
> + - "mediatek,mt8183-scpsys"
> - #power-domain-cells: Must be 1
> - reg: Address range of the SCPSYS unit
> - infracfg: must contain a phandle to the infracfg controller
> - clock, clock-names: clocks according to the common clock binding.
> These are clocks which hardware needs to be
> enabled before enabling certain power domains.
> + The new clock type "BASIC" belongs to the type above.
> + As to the new clock type "SUBSYS" needs to be
> + enabled before releasing bus protection.
The new clock type won't be new in a couple of month, better reword this. E.g.:
Some SoCs have to groups of clocks. BASIC clocks need to be enabled before
enabling the corresponding power domain. SUBSYS clocks need to be enabled before
releasing the bus protection.
> Required clocks for MT2701 or MT7623: "mm", "mfg", "ethif"
> Required clocks for MT2712: "mm", "mfg", "venc", "jpgdec", "audio",
> "vdec"
> Required clocks for MT6797: "mm", "mfg", "vdec"
> Required clocks for MT7622 or MT7629: "hif_sel"
> Required clocks for MT7623A: "ethif"
> Required clocks for MT8173: "mm", "mfg", "venc", "venc_lt"
> + Required clocks for MT8183: BASIC: "audio", "mfg", "mm", "cam", "isp",
> + "vpu", "vpu1", "vpu2", "vpu3"
> + SUBSYS: "mm-0", "mm-1", "mm-2", "mm-3",
> + "mm-4", "mm-5", "mm-6", "mm-7",
> + "mm-8", "mm-9", "isp-0", "isp-1",
> + "cam-0", "cam-1", "cam-2", "cam-3",
> + "cam-4", "cam-5", "cam-6", "vpu-0",
> + "vpu-1", "vpu-2", "vpu-3", "vpu-4",
> + "vpu-5"
>
> Optional properties:
> - vdec-supply: Power supply for the vdec power domain
> diff --git a/include/dt-bindings/power/mt8183-power.h
> b/include/dt-bindings/power/mt8183-power.h
> new file mode 100644
> index 0000000..5c0c8c7
> --- /dev/null
> +++ b/include/dt-bindings/power/mt8183-power.h
> @@ -0,0 +1,26 @@
> +/* SPDX-License-Identifier: GPL-2.0
> + *
> + * Copyright (c) 2018 MediaTek Inc.
> + * Author: Weiyi Lu <weiyi...@mediatek.com>
> + */
> +
> +#ifndef _DT_BINDINGS_POWER_MT8183_POWER_H
> +#define _DT_BINDINGS_POWER_MT8183_POWER_H
> +
> +#define MT8183_POWER_DOMAIN_AUDIO 0
> +#define MT8183_POWER_DOMAIN_CONN 1
> +#define MT8183_POWER_DOMAIN_MFG_ASYNC 2
> +#define MT8183_POWER_DOMAIN_MFG 3
> +#define MT8183_POWER_DOMAIN_MFG_CORE0 4
> +#define MT8183_POWER_DOMAIN_MFG_CORE1 5
> +#define MT8183_POWER_DOMAIN_MFG_2D 6
> +#define MT8183_POWER_DOMAIN_DISP 7
> +#define MT8183_POWER_DOMAIN_CAM 8
> +#define MT8183_POWER_DOMAIN_ISP 9
> +#define MT8183_POWER_DOMAIN_VDEC 10
> +#define MT8183_POWER_DOMAIN_VENC 11
> +#define MT8183_POWER_DOMAIN_VPU_TOP 12
> +#define MT8183_POWER_DOMAIN_VPU_CORE0 13
> +#define MT8183_POWER_DOMAIN_VPU_CORE1 14
> +
> +#endif /* _DT_BINDINGS_POWER_MT8183_POWER_H */
>
