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Tue, 29 Sep 2020 23:07:52 -0800 Received: from mtkmbs08n1.mediatek.inc (172.21.101.55) by MTKMBS62DR.mediatek.inc (172.29.94.18) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 30 Sep 2020 00:07:50 -0700 Received: from mtkcas08.mediatek.inc (172.21.101.126) by mtkmbs08n1.mediatek.inc (172.21.101.55) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 30 Sep 2020 15:07:28 +0800 Received: from localhost.localdomain (10.17.3.153) by mtkcas08.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 30 Sep 2020 15:07:29 +0800 From: Yong Wu To: Joerg Roedel , Matthias Brugger , Rob Herring , Robin Murphy , Krzysztof Kozlowski , Will Deacon Subject: [PATCH v3 02/24] dt-bindings: memory: mediatek: Convert SMI to DT schema Date: Wed, 30 Sep 2020 15:06:25 +0800 Message-ID: <20200930070647.10188-3-yong.wu@mediatek.com> X-Mailer: git-send-email 2.18.0 In-Reply-To: <20200930070647.10188-1-yong.wu@mediatek.com> References: <20200930070647.10188-1-yong.wu@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200930_030756_045737_337912F0 X-CRM114-Status: GOOD ( 21.61 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: youlin.pei@mediatek.com, devicetree@vger.kernel.org, Nicolas Boichat , srv_heupstream@mediatek.com, chao.hao@mediatek.com, kernel-team@android.com, linux-kernel@vger.kernel.org, Evan Green , Tomasz Figa , iommu@lists.linux-foundation.org, linux-mediatek@lists.infradead.org, yong.wu@mediatek.com, ming-fan.chen@mediatek.com, anan.sun@mediatek.com, Greg Kroah-Hartman , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Convert MediaTek SMI to DT schema. Signed-off-by: Yong Wu --- .../mediatek,smi-common.txt | 49 --------- .../mediatek,smi-common.yaml | 100 ++++++++++++++++++ .../memory-controllers/mediatek,smi-larb.txt | 49 --------- .../memory-controllers/mediatek,smi-larb.yaml | 91 ++++++++++++++++ 4 files changed, 191 insertions(+), 98 deletions(-) delete mode 100644 Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.txt 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 b64573680b42..000000000000 --- a/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.txt +++ /dev/null @@ -1,49 +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, 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,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 = <&scpsys MT8173_POWER_DOMAIN_MM>; - clocks = <&mmsys CLK_MM_SMI_COMMON>, - <&mmsys 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 000000000000..76ecc7205438 --- /dev/null +++ b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.yaml @@ -0,0 +1,100 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%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, 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. + +properties: + compatible: + oneOf: + - enum: + - mediatek,mt2701-smi-common + - mediatek,mt2712-smi-common + - mediatek,mt6779-smi-common + - mediatek,mt8173-smi-common + - mediatek,mt8183-smi-common + + - description: for mt7623 + items: + - const: mediatek,mt7623-smi-common + - const: mediatek,mt2701-smi-common + + reg: + maxItems: 1 + + clocks: + description: | + apb and smi are mandatory. the async is only for generation 1 smi HW. + gals(global async local sync) also is optional, here is the list which + require gals: mt6779 and mt8183. + minItems: 2 + maxItems: 4 + items: + - description: apb is Advanced Peripheral Bus clock, It's the clock for + setting the register. + - description: smi is the clock for transfer data and command. + - description: async is asynchronous clock, it help transform the smi clock + into the emi clock domain. + - description: gals0 is the path0 clock of gals. + - description: gals1 is the path1 clock of gals. + + clock-names: + oneOf: + - items: + - const: apb + - const: smi + - items: + - const: apb + - const: smi + - const: async + - items: + - const: apb + - const: smi + - const: gals0 + - const: gals1 + + power-domains: + maxItems: 1 + +required: + - compatible + - reg + - clocks + - clock-names + - power-domains + +additionalProperties: false + +examples: + - | + #include + #include + + smi_common: smi@14022000 { + compatible = "mediatek,mt8173-smi-common"; + reg = <0x14022000 0x1000>; + power-domains = <&scpsys MT8173_POWER_DOMAIN_MM>; + clocks = <&mmsys CLK_MM_SMI_COMMON>, + <&mmsys CLK_MM_SMI_COMMON>; + clock-names = "apb", "smi"; + }; diff --git a/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.txt b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.txt deleted file mode 100644 index 8f19dfe7d80e..000000000000 --- a/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.txt +++ /dev/null @@ -1,49 +0,0 @@ -SMI (Smart Multimedia Interface) Local Arbiter - -The hardware block diagram please check bindings/iommu/mediatek,iommu.txt - -Required properties: -- compatible : must be one of : - "mediatek,mt2701-smi-larb" - "mediatek,mt2712-smi-larb" - "mediatek,mt6779-smi-larb" - "mediatek,mt7623-smi-larb", "mediatek,mt2701-smi-larb" - "mediatek,mt8173-smi-larb" - "mediatek,mt8183-smi-larb" -- reg : the register and size of this local arbiter. -- mediatek,smi : a phandle to the smi_common node. -- 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 2 entries, 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. - and this optional clock name: - - "gals": the clock for GALS(Global Async Local Sync). - Here is the list which has this GALS: mt8183. - -Required property for mt2701, mt2712, mt6779 and mt7623: -- mediatek,larb-id :the hardware id of this larb. - -Example: - larb1: larb@16010000 { - compatible = "mediatek,mt8173-smi-larb"; - reg = <0 0x16010000 0 0x1000>; - mediatek,smi = <&smi_common>; - power-domains = <&scpsys MT8173_POWER_DOMAIN_VDEC>; - clocks = <&vdecsys CLK_VDEC_CKEN>, - <&vdecsys CLK_VDEC_LARB_CKEN>; - clock-names = "apb", "smi"; - }; - -Example for mt2701: - larb0: larb@14010000 { - compatible = "mediatek,mt2701-smi-larb"; - reg = <0 0x14010000 0 0x1000>; - mediatek,smi = <&smi_common>; - mediatek,larb-id = <0>; - clocks = <&mmsys CLK_MM_SMI_LARB0>, - <&mmsys CLK_MM_SMI_LARB0>; - clock-names = "apb", "smi"; - power-domains = <&scpsys MT2701_POWER_DOMAIN_DISP>; - }; diff --git a/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.yaml b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.yaml new file mode 100644 index 000000000000..50793a0e6759 --- /dev/null +++ b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.yaml @@ -0,0 +1,91 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/memory-controllers/mediatek,smi-larb.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: SMI (Smart Multimedia Interface) Local Arbiter + +maintainers: + - Yong Wu + +description: |+ + The hardware block diagram please check bindings/iommu/mediatek,iommu.yaml + +properties: + compatible: + oneOf: + - enum: + - mediatek,mt2701-smi-larb + - mediatek,mt2712-smi-larb + - mediatek,mt6779-smi-larb + - mediatek,mt8173-smi-larb + - mediatek,mt8183-smi-larb + + - description: for mt7623 + items: + - const: mediatek,mt7623-smi-larb + - const: mediatek,mt2701-smi-larb + + reg: + maxItems: 1 + + clocks: + description: | + apb and smi are mandatory. gals(global async local sync) is optional, + here is the list which require gals: mt8183. + minItems: 2 + maxItems: 3 + items: + - description: apb is Advanced Peripheral Bus clock, It's the clock for + setting the register. + - description: smi is the clock for transfer data and command. + - description: the clock for gals. + + clock-names: + oneOf: + - items: + - const: apb + - const: smi + - items: + - const: apb + - const: smi + - const: gals + + power-domains: + maxItems: 1 + + mediatek,smi: + $ref: /schemas/types.yaml#/definitions/phandle-array + description: a phandle to the smi_common node. + + mediatek,larb-id: + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 0 + maximum: 15 + description: the hardware id of this larb. + Required property for mt2701, mt2712, mt6779 and mt7623. + +required: + - compatible + - reg + - clocks + - clock-names + - power-domains + +additionalProperties: false + +examples: + - | + #include + #include + + larb1: larb@16010000 { + compatible = "mediatek,mt8173-smi-larb"; + reg = <0x16010000 0x1000>; + mediatek,smi = <&smi_common>; + power-domains = <&scpsys MT8173_POWER_DOMAIN_VDEC>; + clocks = <&vdecsys CLK_VDEC_CKEN>, + <&vdecsys CLK_VDEC_LARB_CKEN>; + clock-names = "apb", "smi"; + }; -- 2.18.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel