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[93.5.22.158]) by smtp.googlemail.com with ESMTPSA id m6-20020a05600c3b0600b003cf6c2f9513sm13564009wms.2.2022.11.08.10.44.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 08 Nov 2022 10:44:17 -0800 (PST) From: Alexandre Mergnat Date: Tue, 08 Nov 2022 19:43:40 +0100 Subject: [PATCH v4 5/9] dt-bindings: soc: mediatek: convert pwrap documentation MIME-Version: 1.0 Message-Id: <20221005-mt6357-support-v4-5-5d2bb58e6087@baylibre.com> References: <20221005-mt6357-support-v4-0-5d2bb58e6087@baylibre.com> In-Reply-To: <20221005-mt6357-support-v4-0-5d2bb58e6087@baylibre.com> To: Fabien Parent , Alexandre Belloni , Krzysztof Kozlowski , Sean Wang , Mark Brown , Matthias Brugger , Lee Jones , Chen Zhong , Alessandro Zummo , Pavel Machek , Rob Herring , Liam Girdwood , Dmitry Torokhov Cc: linux-leds@vger.kernel.org, Alexandre Mergnat , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-input@vger.kernel.org, AngeloGioacchino Del Regno , Fabien Parent , linux-rtc@vger.kernel.org, Rob Herring , linux-mediatek@lists.infradead.org, devicetree@vger.kernel.org, Mattijs Korpershoek X-Mailer: b4 0.10.1 X-Developer-Signature: v=1; a=openpgp-sha256; l=9988; i=amergnat@baylibre.com; h=from:subject:message-id; bh=3vlZFWzs8N0acTLXMrSZvnl+PIo8Ay6uEyIXGvzMWuw=; b=owEBbQKS/ZANAwAKAStGSZ1+MdRFAcsmYgBjaqN67MeFVNi9wj+YauXCOp5Adu3UBl+sqhO+iHXu EGGs7GyJAjMEAAEKAB0WIQQjG17X8+qqcA5g/osrRkmdfjHURQUCY2qjegAKCRArRkmdfjHURY0xEA CkLBqbPGqeponCtdUBs1vuk3waC1p1QGY9X2mULKVA4gh7eWcuGINZBuREGCJVSjmlzmv78v7TroW/ PsJNRrs9z2skwt2xqLuxjF44lfENDWV3FLLZmi8i4QWzFF/sRs7sbT6gvrki4fhu0R/oFLznVUSsnE Zg4fi6fWvLXPtKBx7f3V6wYSiRAYqGZitoY9L2V1cK+FEYnmmSXJ3ia9u6WtiNO1Q53vTHPJl2VTop KMxigrUL+lBdA06UYyLKdiTGvViDRSKTWVmUJo4p3+JfwvOYkl2cc6VDCrpc9gCsUcxxxfXNhyyhwJ bbOdLoY0Cvewm4nQzC2DwkGnK5iN/Nir0eGd7jX2sWy1glSA/p6sHGlfHMwdXWb4wFALQGwNw7YC6W 2Lyp/70L2CYyGIH3cW6pt3D2g6alrEol+OwwfR75GLkcu4hayI8lntqg56xuflPMvqfCnGHiLwe72J ObnD4QXFgVVcIGSCRiJiJRzOkt6kbjFVoR6zOVNfx43bYDzNPjhYCHyG2h/l8gukZanxS4jGaluIH0 QeU47usGChNiEK5EdgYyKrXwX/AHSc3qPCjyRt94iS/pmKPuu59nPSxicp6PnbAEkvNvJ6DoYUmReo icZtN66EmhDEdoK4GkA9ptrNtaEQITWO1CbLAfQSEwtBFiDiQdMatyVpcvHg== X-Developer-Key: i=amergnat@baylibre.com; a=openpgp; fpr=231B5ED7F3EAAA700E60FE8B2B46499D7E31D445 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221108_104419_501724_13A3687E X-CRM114-Status: GOOD ( 20.65 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org - Convert soc/mediatek/pwrap.txt to soc/mediatek/mediatek,pwrap.yaml - MT8365 SoC has 2 additional clock items and a yaml schema for its PMIC - Remove pwrap.txt file Signed-off-by: Alexandre Mergnat --- .../devicetree/bindings/leds/leds-mt6323.txt | 2 +- Documentation/devicetree/bindings/mfd/mt6397.txt | 2 +- .../bindings/soc/mediatek/mediatek,pwrap.yaml | 158 +++++++++++++++++++++ .../devicetree/bindings/soc/mediatek/pwrap.txt | 75 ---------- 4 files changed, 160 insertions(+), 77 deletions(-) diff --git a/Documentation/devicetree/bindings/leds/leds-mt6323.txt b/Documentation/devicetree/bindings/leds/leds-mt6323.txt index 45bf9f7d85f3..73353692efa1 100644 --- a/Documentation/devicetree/bindings/leds/leds-mt6323.txt +++ b/Documentation/devicetree/bindings/leds/leds-mt6323.txt @@ -9,7 +9,7 @@ MT6323 PMIC hardware. For MT6323 MFD bindings see: Documentation/devicetree/bindings/mfd/mt6397.txt For MediaTek PMIC wrapper bindings see: -Documentation/devicetree/bindings/soc/mediatek/pwrap.txt +Documentation/devicetree/bindings/soc/mediatek/mediatek,pwrap.yaml Required properties: - compatible : Must be "mediatek,mt6323-led" diff --git a/Documentation/devicetree/bindings/mfd/mt6397.txt b/Documentation/devicetree/bindings/mfd/mt6397.txt index 79aaf21af8e9..3bee4a42555d 100644 --- a/Documentation/devicetree/bindings/mfd/mt6397.txt +++ b/Documentation/devicetree/bindings/mfd/mt6397.txt @@ -13,7 +13,7 @@ MT6397/MT6323 is a multifunction device with the following sub modules: It is interfaced to host controller using SPI interface by a proprietary hardware called PMIC wrapper or pwrap. MT6397/MT6323 MFD is a child device of pwrap. See the following for pwarp node definitions: -../soc/mediatek/pwrap.txt +../soc/mediatek/mediatek,pwrap.yaml This document describes the binding for MFD device and its sub module. diff --git a/Documentation/devicetree/bindings/soc/mediatek/mediatek,pwrap.yaml b/Documentation/devicetree/bindings/soc/mediatek/mediatek,pwrap.yaml new file mode 100644 index 000000000000..fe83458b801a --- /dev/null +++ b/Documentation/devicetree/bindings/soc/mediatek/mediatek,pwrap.yaml @@ -0,0 +1,158 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/soc/mediatek/mediatek,pwrap.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Mediatek PMIC Wrapper + +maintainers: + - Alexandre Mergnat + +description: | + On MediaTek SoCs the PMIC is connected via SPI. The SPI master interface + is not directly visible to the CPU, but only through the PMIC wrapper + inside the SoC. The communication between the SoC and the PMIC can + optionally be encrypted. Also a non standard Dual IO SPI mode can be + used to increase speed. + + IP Pairing + + On MT8135 the pins of some SoC internal peripherals can be on the PMIC. + The signals of these pins are routed over the SPI bus using the pwrap + bridge. In the binding description below the properties needed for bridging + are marked with "IP Pairing". These are optional on SoCs which do not support + IP Pairing + +properties: + compatible: + oneOf: + - items: + - enum: + - mediatek,mt2701-pwrap + - mediatek,mt6765-pwrap + - mediatek,mt6779-pwrap + - mediatek,mt6797-pwrap + - mediatek,mt6873-pwrap + - mediatek,mt7622-pwrap + - mediatek,mt8135-pwrap + - mediatek,mt8173-pwrap + - mediatek,mt8183-pwrap + - mediatek,mt8188-pwrap + - mediatek,mt8365-pwrap + - mediatek,mt8516-pwrap + - items: + - enum: + - mediatek,mt8186-pwrap + - mediatek,mt8195-pwrap + - const: syscon + + reg: + minItems: 1 + items: + - description: PMIC wrapper registers (mandatory) + - description: IP pairing registers + + reg-names: + minItems: 1 + items: + - const: pwrap + - const: pwrap-bridge + + interrupts: + maxItems: 1 + description: IRQ for pwrap in SOC + + clocks: true + + clock-names: true + + resets: + minItems: 1 + items: + - description: PMIC wrapper reset + - description: IP pairing reset + + reset-names: + minItems: 1 + items: + - const: pwrap + - const: pwrap-bridge + + pmic: + type: object + +allOf: + - if: + properties: + compatible: + contains: + const: mediatek,mt8365-pwrap + then: + properties: + pmic: + $ref: /schemas/mfd/mediatek,mt6357.yaml# + + clocks: + items: + - description: SPI bus clock + - description: Main module clock + - description: System module clock + - description: Timer module clock + clock-names: + items: + - const: spi + - const: wrap + - const: sys + - const: tmr + else: + properties: + pmic: + description: | + List of child nodes that specify the regulators. + See ../../mfd/mt6397.txt for more details. + + clocks: + items: + - description: SPI bus clock + - description: Main module clock + clock-names: + items: + - const: spi + - const: wrap + +required: + - compatible + - reg + - reg-names + - interrupts + - clocks + - clock-names + +additionalProperties: true + +examples: + - | + #include + #include + #include + + soc { + #address-cells = <2>; + #size-cells = <2>; + pwrap@1000f000 { + compatible = "mediatek,mt8135-pwrap"; + reg = <0 0x1000f000 0 0x1000>, <0 0x11017000 0 0x1000>; + reg-names = "pwrap", "pwrap-bridge"; + interrupts = ; + resets = <&infracfg MT8135_INFRA_PMIC_WRAP_RST>, + <&pericfg MT8135_PERI_PWRAP_BRIDGE_SW_RST>; + reset-names = "pwrap", "pwrap-bridge"; + clocks = <&clk26m>, <&clk26m>; + clock-names = "spi", "wrap"; + + pmic { + compatible = "mediatek,mt6397"; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/soc/mediatek/pwrap.txt b/Documentation/devicetree/bindings/soc/mediatek/pwrap.txt deleted file mode 100644 index 8424b93c432e..000000000000 --- a/Documentation/devicetree/bindings/soc/mediatek/pwrap.txt +++ /dev/null @@ -1,75 +0,0 @@ -MediaTek PMIC Wrapper Driver - -This document describes the binding for the MediaTek PMIC wrapper. - -On MediaTek SoCs the PMIC is connected via SPI. The SPI master interface -is not directly visible to the CPU, but only through the PMIC wrapper -inside the SoC. The communication between the SoC and the PMIC can -optionally be encrypted. Also a non standard Dual IO SPI mode can be -used to increase speed. - -IP Pairing - -on MT8135 the pins of some SoC internal peripherals can be on the PMIC. -The signals of these pins are routed over the SPI bus using the pwrap -bridge. In the binding description below the properties needed for bridging -are marked with "IP Pairing". These are optional on SoCs which do not support -IP Pairing - -Required properties in pwrap device node. -- compatible: - "mediatek,mt2701-pwrap" for MT2701/7623 SoCs - "mediatek,mt6765-pwrap" for MT6765 SoCs - "mediatek,mt6779-pwrap" for MT6779 SoCs - "mediatek,mt6797-pwrap" for MT6797 SoCs - "mediatek,mt6873-pwrap" for MT6873/8192 SoCs - "mediatek,mt7622-pwrap" for MT7622 SoCs - "mediatek,mt8135-pwrap" for MT8135 SoCs - "mediatek,mt8173-pwrap" for MT8173 SoCs - "mediatek,mt8183-pwrap" for MT8183 SoCs - "mediatek,mt8186-pwrap" for MT8186 SoCs - "mediatek,mt8188-pwrap", "mediatek,mt8195-pwrap" for MT8188 SoCs - "mediatek,mt8195-pwrap" for MT8195 SoCs - "mediatek,mt8365-pwrap" for MT8365 SoCs - "mediatek,mt8516-pwrap" for MT8516 SoCs -- interrupts: IRQ for pwrap in SOC -- reg-names: "pwrap" is required; "pwrap-bridge" is optional. - "pwrap": Main registers base - "pwrap-bridge": bridge base (IP Pairing) -- reg: Must contain an entry for each entry in reg-names. -- clock-names: Must include the following entries: - "spi": SPI bus clock - "wrap": Main module clock - "sys": System module clock (for MT8365 SoC) - "tmr": Timer module clock (for MT8365 SoC) -- clocks: Must contain an entry for each entry in clock-names. - -Optional properities: -- reset-names: Some SoCs include the following entries: - "pwrap" - "pwrap-bridge" (IP Pairing) -- resets: Must contain an entry for each entry in reset-names. -- pmic: Using either MediaTek PMIC MFD as the child device of pwrap - See the following for child node definitions: - Documentation/devicetree/bindings/mfd/mt6397.txt - or the regulator-only device as the child device of pwrap, such as MT6380. - See the following definitions for such kinds of devices. - Documentation/devicetree/bindings/regulator/mt6380-regulator.txt - -Example: - pwrap: pwrap@1000f000 { - compatible = "mediatek,mt8135-pwrap"; - reg = <0 0x1000f000 0 0x1000>, - <0 0x11017000 0 0x1000>; - reg-names = "pwrap", "pwrap-bridge"; - interrupts = ; - resets = <&infracfg MT8135_INFRA_PMIC_WRAP_RST>, - <&pericfg MT8135_PERI_PWRAP_BRIDGE_SW_RST>; - reset-names = "pwrap", "pwrap-bridge"; - clocks = <&clk26m>, <&clk26m>; - clock-names = "spi", "wrap"; - - pmic { - compatible = "mediatek,mt6397"; - }; - };