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[88.156.142.199]) by smtp.gmail.com with ESMTPSA id j6-20020a056512344600b004978e51b691sm356437lfr.266.2022.11.11.06.55.30 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 11 Nov 2022 06:55:30 -0800 (PST) Message-ID: <931bbdec-5155-9b26-0cfd-b29a5406d20b@linaro.org> Date: Fri, 11 Nov 2022 15:55:29 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.4.2 Subject: Re: [PATCH v4 5/9] dt-bindings: soc: mediatek: convert pwrap documentation Content-Language: en-US To: Alexandre Mergnat , 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, 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 References: <20221005-mt6357-support-v4-0-5d2bb58e6087@baylibre.com> <20221005-mt6357-support-v4-5-5d2bb58e6087@baylibre.com> From: Krzysztof Kozlowski In-Reply-To: <20221005-mt6357-support-v4-5-5d2bb58e6087@baylibre.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221111_065537_625141_064A9209 X-CRM114-Status: GOOD ( 28.37 ) 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: , 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 On 08/11/2022 19:43, Alexandre Mergnat wrote: > - 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 Why no mt8195? > + - 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) Drop "(mandatory)" > + - description: IP pairing registers > + > + reg-names: > + minItems: 1 > + items: > + - const: pwrap > + - const: pwrap-bridge > + > + interrupts: > + maxItems: 1 > + description: IRQ for pwrap in SOC Drop description. > + > + clocks: true minItems:2 maxItems: 4 > + > + clock-names: true Ditto > + > + 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 properties go here. > +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. This is not correct description. > + 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 This must be 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 = ; > + resets = <&infracfg MT8135_INFRA_PMIC_WRAP_RST>, > + <&pericfg MT8135_PERI_PWRAP_BRIDGE_SW_RST>; Align. > + reset-names = "pwrap", "pwrap-bridge"; > + clocks = <&clk26m>, <&clk26m>; > + clock-names = "spi", "wrap"; > + > + pmic { > + compatible = "mediatek,mt6397"; Messed up indentation. > + }; Best regards, Krzysztof _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel