On Fri, Oct 30, 2020 at 05:12:52PM +0800, Yong Wu wrote:
> Convert MediaTek SMI to DT schema.
>
> CC: Fabien Parent
> CC: Ming-Fan Chen
> CC: Matthias Brugger
> Signed-off-by: Yong Wu
> ---
> .../mediatek,smi-common.txt | 50 ---
> .../mediatek,smi-common.yaml | 140 ++
> .../memory-controllers/mediatek,smi-larb.txt | 50 ---
> .../memory-controllers/mediatek,smi-larb.yaml | 129
> 4 files changed, 269 insertions(+), 100 deletions(-)
> delete mode 100644
> Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.txt
+Cc Honghui Zhang,
Your Ack is needed as you contributed descriptions to the bindings and
work is being relicensed to GPL-2.0-only OR BSD-2-Clause.
Best regards,
Krzysztof
> create mode 100644
> Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.yaml
> delete mode 100644
> Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.txt
> create mode 100644
> Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.yaml
>
> diff --git
> a/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.txt
>
> b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.txt
> deleted file mode 100644
> index dbafffe3f41e..
> ---
> a/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.txt
> +++ /dev/null
> @@ -1,50 +0,0 @@
> -SMI (Smart Multimedia Interface) Common
> -
> -The hardware block diagram please check bindings/iommu/mediatek,iommu.txt
> -
> -Mediatek SMI have two generations of HW architecture, here is the list
> -which generation the SoCs use:
> -generation 1: mt2701 and mt7623.
> -generation 2: mt2712, mt6779, mt8167, mt8173 and mt8183.
> -
> -There's slight differences between the two SMI, for generation 2, the
> -register which control the iommu port is at each larb's register base. But
> -for generation 1, the register is at smi ao base(smi always on register
> -base). Besides that, the smi async clock should be prepared and enabled for
> -SMI generation 1 to transform the smi clock into emi clock domain, but that
> is
> -not needed for SMI generation 2.
> -
> -Required properties:
> -- compatible : must be one of :
> - "mediatek,mt2701-smi-common"
> - "mediatek,mt2712-smi-common"
> - "mediatek,mt6779-smi-common"
> - "mediatek,mt7623-smi-common", "mediatek,mt2701-smi-common"
> - "mediatek,mt8167-smi-common"
> - "mediatek,mt8173-smi-common"
> - "mediatek,mt8183-smi-common"
> -- reg : the register and size of the SMI block.
> -- power-domains : a phandle to the power domain of this local arbiter.
> -- clocks : Must contain an entry for each entry in clock-names.
> -- clock-names : must contain 3 entries for generation 1 smi HW and 2 entries
> - for generation 2 smi HW as follows:
> - - "apb" : Advanced Peripheral Bus clock, It's the clock for setting
> - the register.
> - - "smi" : It's the clock for transfer data and command.
> - They may be the same if both source clocks are the same.
> - - "async" : asynchronous clock, it help transform the smi clock into the
> emi
> - clock domain, this clock is only needed by generation 1 smi HW.
> - and these 2 option clocks for generation 2 smi HW:
> - - "gals0": the path0 clock of GALS(Global Async Local Sync).
> - - "gals1": the path1 clock of GALS(Global Async Local Sync).
> - Here is the list which has this GALS: mt6779 and mt8183.
> -
> -Example:
> - smi_common: smi@14022000 {
> - compatible = "mediatek,mt8173-smi-common";
> - reg = <0 0x14022000 0 0x1000>;
> - power-domains = < MT8173_POWER_DOMAIN_MM>;
> - clocks = < CLK_MM_SMI_COMMON>,
> - < CLK_MM_SMI_COMMON>;
> - clock-names = "apb", "smi";
> - };
> diff --git
> a/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.yaml
>
> b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.yaml
> new file mode 100644
> index ..e050a0c2aed6
> --- /dev/null
> +++
> b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.yaml
> @@ -0,0 +1,140 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +# Copyright (c) 2020 MediaTek Inc.
> +%YAML 1.2
> +---
> +$id:
> http://devicetree.org/schemas/memory-controllers/mediatek,smi-common.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: SMI (Smart Multimedia Interface) Common
> +
> +maintainers:
> + - Yong Wu
> +
> +description: |+
> + The hardware block diagram please check bindings/iommu/mediatek,iommu.yaml
> +
> + MediaTek SMI have two generations of HW architecture, here is the list
> + which generation the SoCs use:
> + generation 1: mt2701 and mt7623.
> + generation 2: mt2712, mt6779, mt8167, mt8173 and mt8183.
> +
> + There's slight differences between the
