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[93.5.22.158]) by smtp.googlemail.com with ESMTPSA id t5-20020a5d49c5000000b0028cf987d944sm11868020wrs.33.2023.01.02.08.06.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 02 Jan 2023 08:06:25 -0800 (PST) From: Alexandre Mergnat Date: Mon, 02 Jan 2023 17:06:03 +0100 Subject: [PATCH v8 2/6] dt-bindings: soc: mediatek: convert pwrap documentation MIME-Version: 1.0 Message-Id: <20221005-mt6357-support-v8-2-560caaafee53@baylibre.com> References: <20221005-mt6357-support-v8-0-560caaafee53@baylibre.com> In-Reply-To: <20221005-mt6357-support-v8-0-560caaafee53@baylibre.com> To: Mark Brown , Tianping Fang , Alessandro Zummo , Dmitry Torokhov , Alexandre Belloni , Fabien Parent , Lee Jones , Krzysztof Kozlowski , Chen Zhong , Pavel Machek , Matthias Brugger , Rob Herring , Sean Wang , Flora Fu , Liam Girdwood Cc: Alexandre Mergnat , Mattijs Korpershoek , Krzysztof Kozlowski , linux-rtc@vger.kernel.org, linux-leds@vger.kernel.org, Rob Herring , devicetree@vger.kernel.org, Fabien Parent , linux-input@vger.kernel.org, linux-mediatek@lists.infradead.org, AngeloGioacchino Del Regno , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org X-Mailer: b4 0.10.1 X-Developer-Signature: v=1; a=openpgp-sha256; l=9638; i=amergnat@baylibre.com; h=from:subject:message-id; bh=cmlhRK9tSjWgidRT4HuJWIvfUhJuoLCgeyaF1sxatFI=; b=owEBbQKS/ZANAwAKAStGSZ1+MdRFAcsmYgBjswD8DrlqU16WurDTNSI1yXZd9D9Tyv2DXNbLdaSb d6nrYwaJAjMEAAEKAB0WIQQjG17X8+qqcA5g/osrRkmdfjHURQUCY7MA/AAKCRArRkmdfjHURfF+EA CdnPiZBrRy/0Vu/8fKF4U+XiZIjKSa+SBfI/+Oqezdytm0rS+u+wGk397vTzsf7941u/5ZeZXRsFfI Hs27h35v4aC93l5/oMoc5UIYby5xN1O9wgoDKzXettFxaV/3dgtlblnYleXigsQiIfjfEsVJcRxpwn eLBqhdiNzrl0uKe/qDNrqTB1hi6ORrOoBZjvYWGDwW0EiBXhlFEQfQhF6ZyMhD4CbDbBNyQYLsjxXB qucTHgQvldFhxwRoMDHzrDxyp+YOPjL0CPpWMjdXOD3yqFpfd34LKIiaeNDlwWQvcJ6FtDZXyNhWWO c7iLYG5MyO3xCqQMOwH/XVME++HIGnhUAXWEFq0TAoFLc5ZhbMFAmfCQ9/iirF/kBJ7dFqaHDBsNxF e1v0lv3hernhK97GU+6xJ7j6ACRRtAtUtTTAF/tPIWT3RtulJAExsYPgH22BVZU6rSiYOmQjE4t5qk wg/5fwmay+DzEZUw70NrPWl7MWt+MxhAxc0X+O26EX514I+tTNgbkrwoPXauWOrTi9YPq2i0tDKNkl dXVEPpIU9/mQRlk+i8MgRScDz9DLt+noWZj+oy1KYMtmX+meEKylWsLIIpD31pf/WBeFTcKyUxmebf WxUZM7lwB0wMABT83ZOB70D1z7mlC3NvN6nu/4PnBvMHpfDNxywi1zRZPNOA== 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-20230102_080627_483783_8DBE2B6F X-CRM114-Status: GOOD ( 21.65 ) X-BeenThere: linux-arm-kernel@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-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org - Convert soc/mediatek/pwrap.txt to soc/mediatek/mediatek,pwrap.yaml - Add syscon compatible const for mt8186 and mt8195 to match the DTS needs, which is missing from pwrap.txt. Reviewed-by: Rob Herring 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 | 147 +++++++++++++++++++++ .../devicetree/bindings/soc/mediatek/pwrap.txt | 75 ----------- 4 files changed, 149 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 0088442efca1..33b3d39d4ddd 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..3fefd634bc69 --- /dev/null +++ b/Documentation/devicetree/bindings/soc/mediatek/mediatek,pwrap.yaml @@ -0,0 +1,147 @@ +# 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: + - Flora Fu + - 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,mt8186-pwrap + - mediatek,mt8188-pwrap + - mediatek,mt8195-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 + - description: IP pairing registers + + reg-names: + minItems: 1 + items: + - const: pwrap + - const: pwrap-bridge + + interrupts: + maxItems: 1 + + clocks: + minItems: 2 + items: + - description: SPI bus clock + - description: Main module clock + - description: System module clock + - description: Timer module clock + + clock-names: + minItems: 2 + items: + - const: spi + - const: wrap + - const: sys + - const: tmr + + 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 + +required: + - compatible + - reg + - reg-names + - interrupts + - clocks + - clock-names + +dependentRequired: + resets: [reset-names] + +allOf: + - if: + properties: + compatible: + contains: + const: mediatek,mt8365-pwrap + then: + properties: + clocks: + minItems: 4 + + clock-names: + minItems: 4 + +additionalProperties: false + +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 = ; + clocks = <&clk26m>, <&clk26m>; + clock-names = "spi", "wrap"; + resets = <&infracfg MT8135_INFRA_PMIC_WRAP_RST>, + <&pericfg MT8135_PERI_PWRAP_BRIDGE_SW_RST>; + reset-names = "pwrap", "pwrap-bridge"; + }; + }; diff --git a/Documentation/devicetree/bindings/soc/mediatek/pwrap.txt b/Documentation/devicetree/bindings/soc/mediatek/pwrap.txt deleted file mode 100644 index 12e4b4260b40..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": Optional system module clock - "tmr": Optional timer module clock -- 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"; - }; - };