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Fri, 30 Jul 2021 05:09:44 -0700 (PDT) From: Hsin-Yi Wang To: Rob Herring Cc: Linus Walleij , Enric Balletbo Serra , Matthias Brugger , Sean Wang , Andy Teng , linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 1/3] arm: dts: mt8135: Move pinfunc to include/dt-bindings/pinctrl Date: Fri, 30 Jul 2021 20:09:35 +0800 Message-Id: <20210730120937.1435204-1-hsinyi@chromium.org> X-Mailer: git-send-email 2.32.0.554.ge1b32706d8-goog MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210730_050947_000563_475FFE89 X-CRM114-Status: GOOD ( 11.19 ) 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 Move mt8135-pinfunc.h into include/dt-bindings/pinctrl so that we can include it in yaml examples. Signed-off-by: Hsin-Yi Wang --- arch/arm/boot/dts/mt8135.dtsi | 2 +- .../boot/dts => include/dt-bindings/pinctrl}/mt8135-pinfunc.h | 0 2 files changed, 1 insertion(+), 1 deletion(-) rename {arch/arm/boot/dts => include/dt-bindings/pinctrl}/mt8135-pinfunc.h (100%) diff --git a/arch/arm/boot/dts/mt8135.dtsi b/arch/arm/boot/dts/mt8135.dtsi index 0e4e835026db0..a031b36363187 100644 --- a/arch/arm/boot/dts/mt8135.dtsi +++ b/arch/arm/boot/dts/mt8135.dtsi @@ -9,7 +9,7 @@ #include #include #include -#include "mt8135-pinfunc.h" +#include / { #address-cells = <2>; diff --git a/arch/arm/boot/dts/mt8135-pinfunc.h b/include/dt-bindings/pinctrl/mt8135-pinfunc.h similarity index 100% rename from arch/arm/boot/dts/mt8135-pinfunc.h rename to include/dt-bindings/pinctrl/mt8135-pinfunc.h From patchwork Fri Jul 30 12:09:36 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hsin-Yi Wang X-Patchwork-Id: 12411167 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 09B7FC4338F for ; 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Fri, 30 Jul 2021 05:09:48 -0700 (PDT) Received: from hsinyi-z840.tpe.corp.google.com ([2401:fa00:1:10:c144:3a3e:e06f:59]) by smtp.gmail.com with ESMTPSA id a9sm2182071pjs.32.2021.07.30.05.09.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 30 Jul 2021 05:09:47 -0700 (PDT) From: Hsin-Yi Wang To: Rob Herring Cc: Linus Walleij , Enric Balletbo Serra , Matthias Brugger , Sean Wang , Andy Teng , linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 2/3] arm: dts: mt8183: Move pinfunc to include/dt-bindings/pinctrl Date: Fri, 30 Jul 2021 20:09:36 +0800 Message-Id: <20210730120937.1435204-2-hsinyi@chromium.org> X-Mailer: git-send-email 2.32.0.554.ge1b32706d8-goog In-Reply-To: <20210730120937.1435204-1-hsinyi@chromium.org> References: <20210730120937.1435204-1-hsinyi@chromium.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210730_050949_260785_C91B0A35 X-CRM114-Status: GOOD ( 12.06 ) 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 Move mt8183-pinfunc.h into include/dt-bindings/pinctrl so that we can include it in yaml examples. Signed-off-by: Hsin-Yi Wang --- arch/arm64/boot/dts/mediatek/mt8183.dtsi | 2 +- .../mediatek => include/dt-bindings/pinctrl}/mt8183-pinfunc.h | 0 2 files changed, 1 insertion(+), 1 deletion(-) rename {arch/arm64/boot/dts/mediatek => include/dt-bindings/pinctrl}/mt8183-pinfunc.h (100%) diff --git a/arch/arm64/boot/dts/mediatek/mt8183.dtsi b/arch/arm64/boot/dts/mediatek/mt8183.dtsi index f90df6439c088..1933045da95de 100644 --- a/arch/arm64/boot/dts/mediatek/mt8183.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8183.dtsi @@ -14,7 +14,7 @@ #include #include #include -#include "mt8183-pinfunc.h" +#include / { compatible = "mediatek,mt8183"; diff --git a/arch/arm64/boot/dts/mediatek/mt8183-pinfunc.h b/include/dt-bindings/pinctrl/mt8183-pinfunc.h similarity index 100% rename from arch/arm64/boot/dts/mediatek/mt8183-pinfunc.h rename to include/dt-bindings/pinctrl/mt8183-pinfunc.h From patchwork Fri Jul 30 12:09:37 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hsin-Yi Wang X-Patchwork-Id: 12411169 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 01436C4338F for ; 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Fri, 30 Jul 2021 05:09:51 -0700 (PDT) Received: from hsinyi-z840.tpe.corp.google.com ([2401:fa00:1:10:c144:3a3e:e06f:59]) by smtp.gmail.com with ESMTPSA id a9sm2182071pjs.32.2021.07.30.05.09.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 30 Jul 2021 05:09:50 -0700 (PDT) From: Hsin-Yi Wang To: Rob Herring Cc: Linus Walleij , Enric Balletbo Serra , Matthias Brugger , Sean Wang , Andy Teng , linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 3/3] dt-bindings: mediatek: convert pinctrl to yaml Date: Fri, 30 Jul 2021 20:09:37 +0800 Message-Id: <20210730120937.1435204-3-hsinyi@chromium.org> X-Mailer: git-send-email 2.32.0.554.ge1b32706d8-goog In-Reply-To: <20210730120937.1435204-1-hsinyi@chromium.org> References: <20210730120937.1435204-1-hsinyi@chromium.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210730_050953_254778_2C3D2C11 X-CRM114-Status: GOOD ( 20.53 ) 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 mt65xx, mt6796, mt7622, mt8183 bindings to yaml. Signed-off-by: Hsin-Yi Wang --- v1->v2: - fix comments in v1. - fix mt7622 where groups is not required for conf node. --- .../pinctrl/mediatek,mt65xx-pinctrl.yaml | 206 ++++++++ .../pinctrl/mediatek,mt6797-pinctrl.yaml | 173 +++++++ .../pinctrl/mediatek,mt7622-pinctrl.yaml | 416 +++++++++++++++ .../pinctrl/mediatek,mt8183-pinctrl.yaml | 228 ++++++++ .../bindings/pinctrl/pinctrl-mt65xx.txt | 156 ------ .../bindings/pinctrl/pinctrl-mt6797.txt | 83 --- .../bindings/pinctrl/pinctrl-mt7622.txt | 490 ------------------ .../bindings/pinctrl/pinctrl-mt8183.txt | 132 ----- 8 files changed, 1023 insertions(+), 861 deletions(-) create mode 100644 Documentation/devicetree/bindings/pinctrl/mediatek,mt65xx-pinctrl.yaml create mode 100644 Documentation/devicetree/bindings/pinctrl/mediatek,mt6797-pinctrl.yaml create mode 100644 Documentation/devicetree/bindings/pinctrl/mediatek,mt7622-pinctrl.yaml create mode 100644 Documentation/devicetree/bindings/pinctrl/mediatek,mt8183-pinctrl.yaml delete mode 100644 Documentation/devicetree/bindings/pinctrl/pinctrl-mt65xx.txt delete mode 100644 Documentation/devicetree/bindings/pinctrl/pinctrl-mt6797.txt delete mode 100644 Documentation/devicetree/bindings/pinctrl/pinctrl-mt7622.txt delete mode 100644 Documentation/devicetree/bindings/pinctrl/pinctrl-mt8183.txt diff --git a/Documentation/devicetree/bindings/pinctrl/mediatek,mt65xx-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/mediatek,mt65xx-pinctrl.yaml new file mode 100644 index 0000000000000..f76c2c9cabe25 --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/mediatek,mt65xx-pinctrl.yaml @@ -0,0 +1,206 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pinctrl/mediatek,mt65xx-pinctrl.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Mediatek MT65xx Pin Controller Device Tree Bindings + +maintainers: + - Andy Teng + +description: |+ + The Mediatek's Pin controller is used to control SoC pins. + +properties: + compatible: + enum: + - mediatek,mt2701-pinctrl + - mediatek,mt2712-pinctrl + - mediatek,mt6397-pinctrl + - mediatek,mt7623-pinctrl + - mediatek,mt8127-pinctrl + - mediatek,mt8135-pinctrl + - mediatek,mt8167-pinctrl + - mediatek,mt8173-pinctrl + - mediatek,mt8516-pinctrl + + reg: + maxItems: 1 + + pins-are-numbered: + $ref: /schemas/types.yaml#/definitions/flag + description: | + Specify the subnodes are using numbered pinmux to specify pins. + + gpio-controller: true + + "#gpio-cells": + const: 2 + description: | + Number of cells in GPIO specifier. Since the generic GPIO + binding is used, the amount of cells must be specified as 2. See the below + mentioned gpio binding representation for description of particular cells. + + mediatek,pctl-regmap: + $ref: /schemas/types.yaml#/definitions/phandle-array + minItems: 1 + maxItems: 2 + description: | + Should be phandles of the syscfg node. + + interrupt-controller: true + + interrupts: + minItems: 1 + maxItems: 3 + + "#interrupt-cells": + const: 2 + +required: + - compatible + - pins-are-numbered + - gpio-controller + - "#gpio-cells" + +patternProperties: + '-[0-9]+$': + type: object + patternProperties: + '-pins': + type: object + description: | + A pinctrl node should contain at least one subnodes representing the + pinctrl groups available on the machine. Each subnode will list the + pins it needs, and how they should be configured, with regard to muxer + configuration, pullups, drive strength, input enable/disable and input + schmitt. + $ref: "/schemas/pinctrl/pincfg-node.yaml" + + properties: + pinmux: + description: + integer array, represents gpio pin number and mux setting. + Supported pin number and mux varies for different SoCs, and are + defined as macros in -pinfunc.h directly. + + bias-disable: true + + bias-pull-up: + description: | + Besides generic pinconfig options, it can be used as the pull up + settings for 2 pull resistors, R0 and R1. User can configure those + special pins. Some macros have been defined for this usage, such + as MTK_PUPD_SET_R1R0_00. See dt-bindings/pinctrl/mt65xx.h for + valid arguments. + + bias-pull-down: true + + input-enable: true + + input-disable: true + + output-low: true + + output-high: true + + input-schmitt-enable: true + + input-schmitt-disable: true + + drive-strength: + description: | + Can support some arguments, such as MTK_DRIVE_4mA, MTK_DRIVE_6mA, + etc. See dt-bindings/pinctrl/mt65xx.h for valid arguments. + + required: + - pinmux + + additionalProperties: false + +additionalProperties: false + +examples: + - | + #include + #include + #include + + soc { + #address-cells = <2>; + #size-cells = <2>; + + syscfg_pctl_a: syscfg-pctl-a@10005000 { + compatible = "mediatek,mt8135-pctl-a-syscfg", "syscon"; + reg = <0 0x10005000 0 0x1000>; + }; + + syscfg_pctl_b: syscfg-pctl-b@1020c020 { + compatible = "mediatek,mt8135-pctl-b-syscfg", "syscon"; + reg = <0 0x1020C020 0 0x1000>; + }; + + pinctrl@1c20800 { + compatible = "mediatek,mt8135-pinctrl"; + reg = <0 0x1000B000 0 0x1000>; + mediatek,pctl-regmap = <&syscfg_pctl_a>, <&syscfg_pctl_b>; + pins-are-numbered; + gpio-controller; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + interrupts = , + , + ; + + i2c0_pins_a: i2c0-0 { + pins1 { + pinmux = , + ; + bias-disable; + }; + }; + + i2c1_pins_a: i2c1-0 { + pins { + pinmux = , + ; + bias-pull-up = ; + }; + }; + + i2c2_pins_a: i2c2-0 { + pins1 { + pinmux = ; + bias-pull-down; + }; + + pins2 { + pinmux = ; + bias-pull-up; + }; + }; + + i2c3_pins_a: i2c3-0 { + pins1 { + pinmux = , + ; + bias-pull-up = ; + }; + + pins2 { + pinmux = , + ; + output-low; + bias-pull-up = ; + }; + + pins3 { + pinmux = , + ; + drive-strength = <32>; + }; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/pinctrl/mediatek,mt6797-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/mediatek,mt6797-pinctrl.yaml new file mode 100644 index 0000000000000..55e47c1e42f6c --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/mediatek,mt6797-pinctrl.yaml @@ -0,0 +1,173 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pinctrl/mediatek,mt6797-pinctrl.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Mediatek MT6797 Pin Controller Device Tree Bindings + +maintainers: + - Andy Teng + +description: |+ + The MediaTek's MT6797 Pin controller is used to control SoC pins. + +properties: + compatible: + const: mediatek,mt6797-pinctrl + + reg: + minItems: 5 + maxItems: 5 + + reg-names: + items: + - const: gpio + - const: iocfgl + - const: iocfgb + - const: iocfgr + - const: iocfgt + + gpio-controller: true + + "#gpio-cells": + const: 2 + description: | + Number of cells in GPIO specifier. Since the generic GPIO + binding is used, the amount of cells must be specified as 2. See the below + mentioned gpio binding representation for description of particular cells. + + interrupt-controller: true + + interrupts: + maxItems: 1 + + "#interrupt-cells": + const: 2 + +required: + - compatible + - reg + - reg-names + - gpio-controller + - "#gpio-cells" + +patternProperties: + '-[0-9]+$': + type: object + patternProperties: + '-pins': + type: object + description: | + A pinctrl node should contain at least one subnodes representing the + pinctrl groups available on the machine. Each subnode will list the + pins it needs, and how they should be configured, with regard to muxer + configuration, pullups, drive strength, input enable/disable and input + schmitt. + $ref: "/schemas/pinctrl/pincfg-node.yaml" + + properties: + pinmux: + description: + integer array, represents gpio pin number and mux setting. + Supported pin number and mux varies for different SoCs, and are + defined as macros in -pinfunc.h directly. + + bias-disable: true + + bias-pull-up: true + + bias-pull-down: true + + input-enable: true + + input-disable: true + + output-enable: true + + output-low: true + + output-high: true + + input-schmitt-enable: true + + input-schmitt-disable: true + + drive-strength: + enum: [2, 4, 8, 12, 16] + + slew-rate: + enum: [0, 1] + + mediatek,pull-up-adv: + description: | + Pull up setings for 2 pull resistors, R0 and R1. User can + configure those special pins. Valid arguments are described as below: + 0: (R1, R0) = (0, 0) which means R1 disabled and R0 disabled. + 1: (R1, R0) = (0, 1) which means R1 disabled and R0 enabled. + 2: (R1, R0) = (1, 0) which means R1 enabled and R0 disabled. + 3: (R1, R0) = (1, 1) which means R1 enabled and R0 enabled. + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [0, 1, 2, 3] + + mediatek,pull-down-adv: + description: | + Pull down settings for 2 pull resistors, R0 and R1. User can + configure those special pins. Valid arguments are described as below: + 0: (R1, R0) = (0, 0) which means R1 disabled and R0 disabled. + 1: (R1, R0) = (0, 1) which means R1 disabled and R0 enabled. + 2: (R1, R0) = (1, 0) which means R1 enabled and R0 disabled. + 3: (R1, R0) = (1, 1) which means R1 enabled and R0 enabled. + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [0, 1, 2, 3] + + mediatek,tdsel: + description: | + An integer describing the steps for output level shifter duty + cycle when asserted (high pulse width adjustment). Valid arguments + are from 0 to 15. + $ref: /schemas/types.yaml#/definitions/uint32 + + mediatek,rdsel: + description: | + An integer describing the steps for input level shifter duty cycle + when asserted (high pulse width adjustment). Valid arguments are + from 0 to 63. + $ref: /schemas/types.yaml#/definitions/uint32 + + required: + - pinmux + + additionalProperties: false + +additionalProperties: false + +examples: + - | + #include + #include + #include + + soc { + #address-cells = <2>; + #size-cells = <2>; + + pio: pinctrl@10005000 { + compatible = "mediatek,mt6797-pinctrl"; + reg = <0 0x10005000 0 0x1000>, + <0 0x10002000 0 0x400>, + <0 0x10002400 0 0x400>, + <0 0x10002800 0 0x400>, + <0 0x10002C00 0 0x400>; + reg-names = "gpio", "iocfgl", "iocfgb", "iocfgr", "iocfgt"; + gpio-controller; + #gpio-cells = <2>; + + uart_pins_a: uart-0 { + pins1 { + pinmux = , + ; + }; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/pinctrl/mediatek,mt7622-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/mediatek,mt7622-pinctrl.yaml new file mode 100644 index 0000000000000..a01c81895fb95 --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/mediatek,mt7622-pinctrl.yaml @@ -0,0 +1,416 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pinctrl/mediatek,mt7622-pinctrl.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Mediatek MT7622 Pin Controller Device Tree Bindings + +maintainers: + - Andy Teng + +description: |+ + The MediaTek's MT7622 Pin controller is used to control SoC pins. + +properties: + compatible: + enum: + - mediatek,mt7622-pinctrl + - mediatek,mt7629-pinctrl + + reg: + maxItems: 1 + + reg-names: + items: + - const: eint + + gpio-controller: true + + "#gpio-cells": + const: 2 + description: | + Number of cells in GPIO specifier. Since the generic GPIO + binding is used, the amount of cells must be specified as 2. See the below + mentioned gpio binding representation for description of particular cells. + + interrupt-controller: true + + interrupts: + maxItems: 1 + + "#interrupt-cells": + const: 2 + +required: + - compatible + - reg + - gpio-controller + - "#gpio-cells" + +if: + required: + - interrupt-controller +then: + required: + - reg-names + - interrupts + - "#interrupt-cells" + +patternProperties: + '-[0-9]+$': + type: object + patternProperties: + 'mux': + type: object + description: | + pinmux configuration nodes. + $ref: "/schemas/pinctrl/pinmux-node.yaml" + properties: + function: + description: | + A string containing the name of the function to mux to the group. + enum: [emmc, eth, i2c, i2s, ir, led, flash, pcie, pmic, pwm, sd, + spi, tdm, uart, watchdog, wifi] + + groups: + description: | + An array of strings. Each string contains the name of a group. + enum: [emmc, emmc_rst, esw, esw_p0_p1, esw_p2_p3_p4, rgmii_via_esw, + rgmii_via_gmac1, rgmii_via_gmac2, mdc_mdio, i2c0, i2c1_0, + i2c1_1, i2c1_2, i2c2_0, i2c2_1, i2c2_2, i2s_in_mclk_bclk_ws, + i2s1_in_data, i2s2_in_data, i2s3_in_data, i2s4_in_data, + i2s_out_mclk_bclk_ws, i2s1_out_data, i2s2_out_data, + i2s3_out_data, i2s4_out_data, ir_0_tx, ir_1_tx, ir_2_tx, + ir_0_rx, ir_1_rx, ir_2_rx, ephy_leds, ephy0_led, ephy1_led, + ephy2_led, ephy3_led, ephy4_led, wled, par_nand, snfi, + spi_nor, pcie0_0_waken, pcie0_1_waken, pcie1_0_waken, + pcie0_0_clkreq, pcie0_1_clkreq, pcie1_0_clkreq, + pcie0_pad_perst, pcie1_pad_perst, pmic_bus, pwm_ch1_0, + pwm_ch1_1, pwm_ch1_2, pwm_ch2_0, pwm_ch2_1, pwm_ch2_2, + pwm_ch3_0, pwm_ch3_1, pwm_ch3_2, pwm_ch4_0, pwm_ch4_1, + pwm_ch4_2, pwm_ch4_3, pwm_ch5_0, pwm_ch5_1, pwm_ch5_2, + pwm_ch6_0, pwm_ch6_1, pwm_ch6_2, pwm_ch6_3, pwm_ch7_0, + pwm_ch7_1, pwm_ch7_2, sd_0, sd_1, spic0_0, spic0_1, spic1_0, + spic1_1, spic2_0_wp_hold, spic2_0, tdm_0_out_mclk_bclk_ws, + tdm_0_in_mclk_bclk_ws, tdm_0_out_data, tdm_0_in_data, + tdm_1_out_mclk_bclk_ws, tdm_1_in_mclk_bclk_ws, + tdm_1_out_data, tdm_1_in_data, uart0_0_tx_rx, uart1_0_tx_rx, + uart1_0_rts_cts, uart1_1_tx_rx, uart1_1_rts_cts, + uart2_0_tx_rx, uart2_0_rts_cts, uart2_1_tx_rx, + uart2_1_rts_cts, uart2_2_tx_rx, uart2_2_rts_cts, + uart2_3_tx_rx, uart3_0_tx_rx, uart3_1_tx_rx, uart3_1_rts_cts, + uart4_0_tx_rx, uart4_1_tx_rx, uart4_1_rts_cts, uart4_2_tx_rx, + uart4_2_rts_cts, watchdog, i2c_0, i2c_1, wf2g_led, wf5g_led, + pcie_pereset, pcie_wake, pcie_clkreq, pwm_0, pwm_1, spi_0, + spi_1, spi_wp, spi_hold, uart0_txd_rxd, uart1_0_txd_rxd, + uart1_0_cts_rts, uart1_1_txd_rxd, uart1_1_cts_rts, + uart2_0_txd_rxd, uart2_0_cts_rts, uart2_1_txd_rxd, + uart2_1_cts_rts, wf0_2g, wf0_5g] + + required: + - groups + - function + + allOf: + - if: + properties: + functions: + contains: + const: emmc + then: + properties: + groups: + enum: [emmc, emmc_rst] + - if: + properties: + functions: + contains: + const: eth + then: + properties: + groups: + enum: [esw, esw_p0_p1, esw_p2_p3_p4, rgmii_via_esw, + rgmii_via_gmac1, rgmii_via_gmac2, mdc_mdio] + - if: + properties: + functions: + contains: + const: i2c + then: + properties: + groups: + enum: [i2c0, i2c_0, i2c_1, i2c1_0, i2c1_1, i2c1_2, i2c2_0, + i2c2_1, i2c2_2] + - if: + properties: + functions: + contains: + const: i2s + then: + properties: + groups: + enum: [i2s_in_mclk_bclk_ws, i2s1_in_data, i2s2_in_data, + i2s3_in_data, i2s4_in_data, i2s_out_mclk_bclk_ws, + i2s1_out_data, i2s2_out_data, i2s3_out_data, + i2s4_out_data] + - if: + properties: + functions: + contains: + const: ir + then: + properties: + groups: + enum: [ir_0_tx, ir_1_tx, ir_2_tx, ir_0_rx, ir_1_rx, ir_2_rx] + - if: + properties: + functions: + contains: + const: led + then: + properties: + groups: + enum: [ephy_leds, ephy0_led, ephy1_led, ephy2_led, ephy3_led, + ephy4_led, wled, wf2g_led, wf5g_led] + - if: + properties: + functions: + contains: + const: flash + then: + properties: + groups: + enum: [par_nand, snfi, spi_nor] + - if: + properties: + functions: + contains: + const: pcie + then: + properties: + groups: + enum: [pcie0_0_waken, pcie0_1_waken, pcie1_0_waken, + pcie0_0_clkreq, pcie0_1_clkreq, pcie1_0_clkreq, + pcie0_pad_perst, pcie1_pad_perst, pcie_pereset, + pcie_wake, pcie_clkreq] + - if: + properties: + functions: + contains: + const: pmic + then: + properties: + groups: + enum: [pmic_bus] + - if: + properties: + functions: + contains: + const: pwm + then: + properties: + groups: + enum: [pwm_ch1_0, pwm_ch1_1, pwm_ch1_2, pwm_ch2_0, pwm_ch2_1, + pwm_ch2_2, pwm_ch3_0, pwm_ch3_1, pwm_ch3_2, pwm_ch4_0, + pwm_ch4_1, pwm_ch4_2, pwm_ch4_3, pwm_ch5_0, pwm_ch5_1, + pwm_ch5_2, pwm_ch6_0, pwm_ch6_1, pwm_ch6_2, pwm_ch6_3, + pwm_ch7_0, pwm_0, pwm_1] + - if: + properties: + functions: + contains: + const: sd + then: + properties: + groups: + enum: [sd_0, sd_1] + - if: + properties: + functions: + contains: + const: spi + then: + properties: + groups: + enum: [spic0_0, spic0_1, spic1_0, spic1_1, spic2_0_wp_hold, + spic2_0, spi_0, spi_1, spi_wp, spi_hold] + - if: + properties: + functions: + contains: + const: tdm + then: + properties: + groups: + enum: [tdm_0_out_mclk_bclk_ws, tdm_0_in_mclk_bclk_ws, + tdm_0_out_data, tdm_0_in_data, tdm_1_out_mclk_bclk_ws, + tdm_1_in_mclk_bclk_ws, tdm_1_out_data, tdm_1_in_data] + - if: + properties: + functions: + contains: + const: uart + then: + properties: + groups: + enum: [uart0_0_tx_rx, uart1_0_tx_rx, uart1_0_rts_cts, + uart1_1_tx_rx, uart1_1_rts_cts, uart2_0_tx_rx, + uart2_0_rts_cts, uart2_1_tx_rx, uart2_1_rts_cts, + uart2_2_tx_rx, uart2_2_rts_cts, uart2_3_tx_rx, + uart3_0_tx_rx, uart3_1_tx_rx, uart3_1_rts_cts, + uart4_0_tx_rx, uart4_1_tx_rx, uart4_1_rts_cts, + uart4_2_tx_rx, uart4_2_rts_cts, uart0_txd_rxd, + uart1_0_txd_rxd, uart1_0_cts_rts, uart1_1_txd_rxd, + uart1_1_cts_rts, uart2_0_txd_rxd, uart2_0_cts_rts, + uart2_1_txd_rxd, uart2_1_cts_rts] + - if: + properties: + functions: + contains: + const: watchdog + then: + properties: + groups: + enum: [watchdog] + - if: + properties: + functions: + contains: + const: wifi + then: + properties: + groups: + enum: [wf0_2g, wf0_5g] + + 'conf': + type: object + description: | + pinconf configuration nodes. + $ref: "/schemas/pinctrl/pincfg-node.yaml" + + properties: + groups: + description: | + An array of strings. Each string contains the name of a group. + Valid values are the same as the pinmux node. + + pins: + description: | + An array of strings. Each string contains the name of a pin. + enum: [GPIO_A, I2S1_IN, I2S1_OUT, I2S_BCLK, I2S_WS, I2S_MCLK, TXD0, + RXD0, SPI_WP, SPI_HOLD, SPI_CLK, SPI_MOSI, SPI_MISO, SPI_CS, + I2C_SDA, I2C_SCL, I2S2_IN, I2S3_IN, I2S4_IN, I2S2_OUT, + I2S3_OUT, I2S4_OUT, GPIO_B, MDC, MDIO, G2_TXD0, G2_TXD1, + G2_TXD2, G2_TXD3, G2_TXEN, G2_TXC, G2_RXD0, G2_RXD1, G2_RXD2, + G2_RXD3, G2_RXDV, G2_RXC, NCEB, NWEB, NREB, NDL4, NDL5, NDL6, + NDL7, NRB, NCLE, NALE, NDL0, NDL1, NDL2, NDL3, MDI_TP_P0, + MDI_TN_P0, MDI_RP_P0, MDI_RN_P0, MDI_TP_P1, MDI_TN_P1, + MDI_RP_P1, MDI_RN_P1, MDI_RP_P2, MDI_RN_P2, MDI_TP_P2, + MDI_TN_P2, MDI_TP_P3, MDI_TN_P3, MDI_RP_P3, MDI_RN_P3, + MDI_RP_P4, MDI_RN_P4, MDI_TP_P4, MDI_TN_P4, PMIC_SCL, + PMIC_SDA, SPIC1_CLK, SPIC1_MOSI, SPIC1_MISO, SPIC1_CS, + GPIO_D, WATCHDOG, RTS3_N, CTS3_N, TXD3, RXD3, PERST0_N, + PERST1_N, WLED_N, EPHY_LED0_N, AUXIN0, AUXIN1, AUXIN2, + AUXIN3, TXD4, RXD4, RTS4_N, CST4_N, PWM1, PWM2, PWM3, PWM4, + PWM5, PWM6, PWM7, GPIO_E, TOP_5G_CLK, TOP_5G_DATA, + WF0_5G_HB0, WF0_5G_HB1, WF0_5G_HB2, WF0_5G_HB3, WF0_5G_HB4, + WF0_5G_HB5, WF0_5G_HB6, XO_REQ, TOP_RST_N, SYS_WATCHDOG, + EPHY_LED0_N_JTDO, EPHY_LED1_N_JTDI, EPHY_LED2_N_JTMS, + EPHY_LED3_N_JTCLK, EPHY_LED4_N_JTRST_N, WF2G_LED_N, + WF5G_LED_N, GPIO_9, GPIO_10, GPIO_11, GPIO_12, UART1_TXD, + UART1_RXD, UART1_CTS, UART1_RTS, UART2_TXD, UART2_RXD, + UART2_CTS, UART2_RTS, SMI_MDC, SMI_MDIO, PCIE_PERESET_N, + PWM_0, GPIO_0, GPIO_1, GPIO_2, GPIO_3, GPIO_4, GPIO_5, + GPIO_6, GPIO_7, GPIO_8, UART0_TXD, UART0_RXD, TOP_2G_CLK, + TOP_2G_DATA, WF0_2G_HB0, WF0_2G_HB1, WF0_2G_HB2, WF0_2G_HB3, + WF0_2G_HB4, WF0_2G_HB5, WF0_2G_HB6] + + bias-disable: true + + bias-pull-up: true + + bias-pull-down: true + + input-enable: true + + input-disable: true + + output-enable: true + + output-low: true + + output-high: true + + input-schmitt-enable: true + + input-schmitt-disable: true + + drive-strength: + enum: [4, 8, 12, 16] + + slew-rate: + enum: [0, 1] + + mediatek,tdsel: + description: | + An integer describing the steps for output level shifter duty + cycle when asserted (high pulse width adjustment). Valid arguments + are from 0 to 15. + $ref: /schemas/types.yaml#/definitions/uint32 + + mediatek,rdsel: + description: | + An integer describing the steps for input level shifter duty cycle + when asserted (high pulse width adjustment). Valid arguments are + from 0 to 63. + $ref: /schemas/types.yaml#/definitions/uint32 + + required: + - pins + + additionalProperties: false + +additionalProperties: false + +examples: + - | + #include + #include + + soc { + #address-cells = <2>; + #size-cells = <2>; + + pio: pinctrl@10211000 { + compatible = "mediatek,mt7622-pinctrl"; + reg = <0 0x10211000 0 0x1000>; + gpio-controller; + #gpio-cells = <2>; + + pinctrl_eth_default: eth-0 { + mux-mdio { + groups = "mdc_mdio"; + function = "eth"; + drive-strength = <12>; + }; + + mux-gmac2 { + groups = "rgmii_via_gmac2"; + function = "eth"; + drive-strength = <12>; + }; + + mux-esw { + groups = "esw"; + function = "eth"; + drive-strength = <8>; + }; + + conf-mdio { + pins = "MDC"; + bias-pull-up; + }; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/pinctrl/mediatek,mt8183-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/mediatek,mt8183-pinctrl.yaml new file mode 100644 index 0000000000000..4573b0451b81c --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/mediatek,mt8183-pinctrl.yaml @@ -0,0 +1,228 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pinctrl/mediatek,mt8183-pinctrl.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Mediatek MT8183 Pin Controller Device Tree Bindings + +maintainers: + - Andy Teng + +description: |+ + The MediaTek's MT8183 Pin controller is used to control SoC pins. + +properties: + compatible: + const: mediatek,mt8183-pinctrl + + reg: + minItems: 10 + maxItems: 10 + + reg-names: + items: + - const: iocfg0 + - const: iocfg1 + - const: iocfg2 + - const: iocfg3 + - const: iocfg4 + - const: iocfg5 + - const: iocfg6 + - const: iocfg7 + - const: iocfg8 + - const: eint + + gpio-controller: true + + "#gpio-cells": + const: 2 + description: | + Number of cells in GPIO specifier. Since the generic GPIO + binding is used, the amount of cells must be specified as 2. See the below + mentioned gpio binding representation for description of particular cells. + + gpio-ranges: + minItems: 1 + maxItems: 5 + description: | + GPIO valid number range. + + interrupt-controller: true + + interrupts: + maxItems: 1 + + "#interrupt-cells": + const: 2 + +required: + - compatible + - reg + - gpio-controller + - "#gpio-cells" + - gpio-ranges + +patternProperties: + '-[0-9]+$': + type: object + patternProperties: + '-pins': + type: object + description: | + A pinctrl node should contain at least one subnodes representing the + pinctrl groups available on the machine. Each subnode will list the + pins it needs, and how they should be configured, with regard to muxer + configuration, pullups, drive strength, input enable/disable and input + schmitt. + $ref: "/schemas/pinctrl/pincfg-node.yaml" + + properties: + pinmux: + description: + integer array, represents gpio pin number and mux setting. + Supported pin number and mux varies for different SoCs, and are + defined as macros in -pinfunc.h directly. + + bias-disable: true + + bias-pull-up: true + + bias-pull-down: true + + input-enable: true + + input-disable: true + + output-low: true + + output-high: true + + input-schmitt-enable: true + + input-schmitt-disable: true + + drive-strength: + enum: [2, 4, 6, 8, 10, 12, 14, 16] + + mediatek,drive-strength-adv: + description: | + Describe the specific driving setup property. + For I2C pins, the existing generic driving setup can only support + 2/4/6/8/10/12/14/16mA driving. But in specific driving setup, they + can support 0.125/0.25/0.5/1mA adjustment. If we enable specific + driving setup, the existing generic setup will be disabled. + The specific driving setup is controlled by E1E0EN. + When E1=0/E0=0, the strength is 0.125mA. + When E1=0/E0=1, the strength is 0.25mA. + When E1=1/E0=0, the strength is 0.5mA. + When E1=1/E0=1, the strength is 1mA. + EN is used to enable or disable the specific driving setup. + Valid arguments are described as below: + 0: (E1, E0, EN) = (0, 0, 0) + 1: (E1, E0, EN) = (0, 0, 1) + 2: (E1, E0, EN) = (0, 1, 0) + 3: (E1, E0, EN) = (0, 1, 1) + 4: (E1, E0, EN) = (1, 0, 0) + 5: (E1, E0, EN) = (1, 0, 1) + 6: (E1, E0, EN) = (1, 1, 0) + 7: (E1, E0, EN) = (1, 1, 1) + So the valid arguments are from 0 to 7. + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [0, 1, 2, 3, 4, 5, 6, 7] + + mediatek,pull-up-adv: + description: | + Pull up setings for 2 pull resistors, R0 and R1. User can + configure those special pins. Valid arguments are described as below: + 0: (R1, R0) = (0, 0) which means R1 disabled and R0 disabled. + 1: (R1, R0) = (0, 1) which means R1 disabled and R0 enabled. + 2: (R1, R0) = (1, 0) which means R1 enabled and R0 disabled. + 3: (R1, R0) = (1, 1) which means R1 enabled and R0 enabled. + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [0, 1, 2, 3] + + mediatek,pull-down-adv: + description: | + Pull down settings for 2 pull resistors, R0 and R1. User can + configure those special pins. Valid arguments are described as below: + 0: (R1, R0) = (0, 0) which means R1 disabled and R0 disabled. + 1: (R1, R0) = (0, 1) which means R1 disabled and R0 enabled. + 2: (R1, R0) = (1, 0) which means R1 enabled and R0 disabled. + 3: (R1, R0) = (1, 1) which means R1 enabled and R0 enabled. + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [0, 1, 2, 3] + + mediatek,tdsel: + description: | + An integer describing the steps for output level shifter duty + cycle when asserted (high pulse width adjustment). Valid arguments + are from 0 to 15. + $ref: /schemas/types.yaml#/definitions/uint32 + + mediatek,rdsel: + description: | + An integer describing the steps for input level shifter duty cycle + when asserted (high pulse width adjustment). Valid arguments are + from 0 to 63. + $ref: /schemas/types.yaml#/definitions/uint32 + + required: + - pinmux + + additionalProperties: false + +additionalProperties: false + +examples: + - | + #include + #include + #include + + soc { + #address-cells = <2>; + #size-cells = <2>; + + pio: pinctrl@10005000 { + compatible = "mediatek,mt8183-pinctrl"; + reg = <0 0x10005000 0 0x1000>, + <0 0x11f20000 0 0x1000>, + <0 0x11e80000 0 0x1000>, + <0 0x11e70000 0 0x1000>, + <0 0x11e90000 0 0x1000>, + <0 0x11d30000 0 0x1000>, + <0 0x11d20000 0 0x1000>, + <0 0x11c50000 0 0x1000>, + <0 0x11f30000 0 0x1000>, + <0 0x1000b000 0 0x1000>; + reg-names = "iocfg0", "iocfg1", "iocfg2", + "iocfg3", "iocfg4", "iocfg5", + "iocfg6", "iocfg7", "iocfg8", + "eint"; + gpio-controller; + #gpio-cells = <2>; + gpio-ranges = <&pio 0 0 192>; + interrupt-controller; + interrupts = ; + #interrupt-cells = <2>; + + i2c0_pins_a: i2c-0 { + pins1 { + pinmux = , + ; + mediatek,pull-up-adv = <3>; + mediatek,drive-strength-adv = <7>; + }; + }; + + i2c1_pins_a: i2c-1 { + pins { + pinmux = , + ; + mediatek,pull-down-adv = <2>; + mediatek,drive-strength-adv = <4>; + }; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/pinctrl/pinctrl-mt65xx.txt b/Documentation/devicetree/bindings/pinctrl/pinctrl-mt65xx.txt deleted file mode 100644 index 5fe2c26c28bf1..0000000000000 --- a/Documentation/devicetree/bindings/pinctrl/pinctrl-mt65xx.txt +++ /dev/null @@ -1,156 +0,0 @@ -* Mediatek MT65XX Pin Controller - -The Mediatek's Pin controller is used to control SoC pins. - -Required properties: -- compatible: value should be one of the following. - "mediatek,mt2701-pinctrl", compatible with mt2701 pinctrl. - "mediatek,mt2712-pinctrl", compatible with mt2712 pinctrl. - "mediatek,mt6397-pinctrl", compatible with mt6397 pinctrl. - "mediatek,mt7623-pinctrl", compatible with mt7623 pinctrl. - "mediatek,mt8127-pinctrl", compatible with mt8127 pinctrl. - "mediatek,mt8135-pinctrl", compatible with mt8135 pinctrl. - "mediatek,mt8167-pinctrl", compatible with mt8167 pinctrl. - "mediatek,mt8173-pinctrl", compatible with mt8173 pinctrl. - "mediatek,mt8365-pinctrl", compatible with mt8365 pinctrl. - "mediatek,mt8516-pinctrl", compatible with mt8516 pinctrl. -- pins-are-numbered: Specify the subnodes are using numbered pinmux to - specify pins. -- gpio-controller : Marks the device node as a gpio controller. -- #gpio-cells: number of cells in GPIO specifier. Since the generic GPIO - binding is used, the amount of cells must be specified as 2. See the below - mentioned gpio binding representation for description of particular cells. - - Eg: <&pio 6 0> - <[phandle of the gpio controller node] - [line number within the gpio controller] - [flags]> - - Values for gpio specifier: - - Line number: is a value between 0 to 202. - - Flags: bit field of flags, as defined in . - Only the following flags are supported: - 0 - GPIO_ACTIVE_HIGH - 1 - GPIO_ACTIVE_LOW - -Optional properties: -- mediatek,pctl-regmap: Should be a phandle of the syscfg node. -- reg: physicall address base for EINT registers -- interrupt-controller: Marks the device node as an interrupt controller -- #interrupt-cells: Should be two. -- interrupts : The interrupt outputs from the controller. - -Please refer to pinctrl-bindings.txt in this directory for details of the -common pinctrl bindings used by client devices. - -Subnode format -A pinctrl node should contain at least one subnodes representing the -pinctrl groups available on the machine. Each subnode will list the -pins it needs, and how they should be configured, with regard to muxer -configuration, pullups, drive strength, input enable/disable and input schmitt. - - node { - pinmux = ; - GENERIC_PINCONFIG; - }; - -Required properties: -- pinmux: integer array, represents gpio pin number and mux setting. - Supported pin number and mux varies for different SoCs, and are defined - as macros in boot/dts/-pinfunc.h directly. - -Optional properties: -- GENERIC_PINCONFIG: is the generic pinconfig options to use, bias-disable, - bias-pull-down, bias-pull-up, input-enable, input-disable, output-low, output-high, - input-schmitt-enable, input-schmitt-disable and drive-strength are valid. - - Some special pins have extra pull up strength, there are R0 and R1 pull-up - resistors available, but for user, it's only need to set R1R0 as 00, 01, 10 or 11. - So when config bias-pull-up, it support arguments for those special pins. - Some macros have been defined for this usage, such as MTK_PUPD_SET_R1R0_00. - See dt-bindings/pinctrl/mt65xx.h. - - When config drive-strength, it can support some arguments, such as - MTK_DRIVE_4mA, MTK_DRIVE_6mA, etc. See dt-bindings/pinctrl/mt65xx.h. - -Examples: - -#include "mt8135-pinfunc.h" - -... -{ - syscfg_pctl_a: syscfg-pctl-a@10005000 { - compatible = "mediatek,mt8135-pctl-a-syscfg", "syscon"; - reg = <0 0x10005000 0 0x1000>; - }; - - syscfg_pctl_b: syscfg-pctl-b@1020c020 { - compatible = "mediatek,mt8135-pctl-b-syscfg", "syscon"; - reg = <0 0x1020C020 0 0x1000>; - }; - - pinctrl@1c20800 { - compatible = "mediatek,mt8135-pinctrl"; - reg = <0 0x1000B000 0 0x1000>; - mediatek,pctl-regmap = <&syscfg_pctl_a>, <&syscfg_pctl_b>; - pins-are-numbered; - gpio-controller; - #gpio-cells = <2>; - interrupt-controller; - #interrupt-cells = <2>; - interrupts = , - , - ; - - i2c0_pins_a: i2c0@0 { - pins1 { - pinmux = , - ; - bias-disable; - }; - }; - - i2c1_pins_a: i2c1@0 { - pins { - pinmux = , - ; - bias-pull-up = <55>; - }; - }; - - i2c2_pins_a: i2c2@0 { - pins1 { - pinmux = ; - bias-pull-down; - }; - - pins2 { - pinmux = ; - bias-pull-up; - }; - }; - - i2c3_pins_a: i2c3@0 { - pins1 { - pinmux = , - ; - bias-pull-up = <55>; - }; - - pins2 { - pinmux = , - ; - output-low; - bias-pull-up = <55>; - }; - - pins3 { - pinmux = , - ; - drive-strength = <32>; - }; - }; - - ... - } -}; diff --git a/Documentation/devicetree/bindings/pinctrl/pinctrl-mt6797.txt b/Documentation/devicetree/bindings/pinctrl/pinctrl-mt6797.txt deleted file mode 100644 index bd83401e6179a..0000000000000 --- a/Documentation/devicetree/bindings/pinctrl/pinctrl-mt6797.txt +++ /dev/null @@ -1,83 +0,0 @@ -* MediaTek MT6797 Pin Controller - -The MediaTek's MT6797 Pin controller is used to control SoC pins. - -Required properties: -- compatible: Value should be one of the following. - "mediatek,mt6797-pinctrl", compatible with mt6797 pinctrl. -- reg: Should contain address and size for gpio, iocfgl, iocfgb, - iocfgr and iocfgt register bases. -- reg-names: An array of strings describing the "reg" entries. Must - contain "gpio", "iocfgl", "iocfgb", "iocfgr", "iocfgt". -- gpio-controller: Marks the device node as a gpio controller. -- #gpio-cells: Should be two. The first cell is the gpio pin number - and the second cell is used for optional parameters. - -Optional properties: -- interrupt-controller: Marks the device node as an interrupt controller. -- #interrupt-cells: Should be two. -- interrupts : The interrupt outputs from the controller. - -Please refer to pinctrl-bindings.txt in this directory for details of the -common pinctrl bindings used by client devices. - -Subnode format -A pinctrl node should contain at least one subnodes representing the -pinctrl groups available on the machine. Each subnode will list the -pins it needs, and how they should be configured, with regard to muxer -configuration, pullups, drive strength, input enable/disable and input schmitt. - - node { - pinmux = ; - GENERIC_PINCONFIG; - }; - -Required properties: -- pinmux: Integer array, represents gpio pin number and mux setting. - Supported pin number and mux varies for different SoCs, and are defined - as macros in dt-bindings/pinctrl/-pinfunc.h directly. - -Optional properties: -- GENERIC_PINCONFIG: is the generic pinconfig options to use, bias-disable, - bias-pull, bias-pull-down, input-enable, input-schmitt-enable, - input-schmitt-disable, output-enable output-low, output-high, - drive-strength, and slew-rate are valid. - - Valid arguments for 'slew-rate' are '0' for no slew rate controlled and - '1' for slower slew rate respectively. Valid arguments for 'drive-strength' - is limited, such as 2, 4, 8, 12, or 16 in mA. - - Some optional vendor properties as defined are valid to specify in a - pinconf subnode: - - mediatek,tdsel: An integer describing the steps for output level shifter - duty cycle when asserted (high pulse width adjustment). Valid arguments - are from 0 to 15. - - mediatek,rdsel: An integer describing the steps for input level shifter - duty cycle when asserted (high pulse width adjustment). Valid arguments - are from 0 to 63. - - mediatek,pull-up-adv: An integer describing the code R1R0 as 0, 1, 2 - or 3 for the advanced pull-up resistors. - - mediatek,pull-down-adv: An integer describing the code R1R0 as 0, 1, 2, - or 3 for the advanced pull-down resistors. - -Examples: - - pio: pinctrl@10005000 { - compatible = "mediatek,mt6797-pinctrl"; - reg = <0 0x10005000 0 0x1000>, - <0 0x10002000 0 0x400>, - <0 0x10002400 0 0x400>, - <0 0x10002800 0 0x400>, - <0 0x10002C00 0 0x400>; - reg-names = "gpio", "iocfgl", "iocfgb", - "iocfgr", "iocfgt"; - gpio-controller; - #gpio-cells = <2>; - - uart1_pins_a: uart1 { - pins1 { - pinmux = , - ; - }; - }; - }; diff --git a/Documentation/devicetree/bindings/pinctrl/pinctrl-mt7622.txt b/Documentation/devicetree/bindings/pinctrl/pinctrl-mt7622.txt deleted file mode 100644 index 7a7aca1ed705b..0000000000000 --- a/Documentation/devicetree/bindings/pinctrl/pinctrl-mt7622.txt +++ /dev/null @@ -1,490 +0,0 @@ -== MediaTek MT7622 pinctrl controller == - -Required properties for the root node: - - compatible: Should be one of the following - "mediatek,mt7622-pinctrl" for MT7622 SoC - "mediatek,mt7629-pinctrl" for MT7629 SoC - - reg: offset and length of the pinctrl space - - - gpio-controller: Marks the device node as a GPIO controller. - - #gpio-cells: Should be two. The first cell is the pin number and the - second is the GPIO flags. - -Optional properties: -- interrupt-controller : Marks the device node as an interrupt controller - -If the property interrupt-controller is defined, following property is required -- reg-names: A string describing the "reg" entries. Must contain "eint". -- interrupts : The interrupt output from the controller. -- #interrupt-cells: Should be two. - -Please refer to pinctrl-bindings.txt in this directory for details of the -common pinctrl bindings used by client devices, including the meaning of the -phrase "pin configuration node". - -MT7622 pin configuration nodes act as a container for an arbitrary number of -subnodes. Each of these subnodes represents some desired configuration for a -pin, a group, or a list of pins or groups. This configuration can include the -mux function to select on those pin(s)/group(s), and various pin configuration -parameters, such as pull-up, slew rate, etc. - -We support 2 types of configuration nodes. Those nodes can be either pinmux -nodes or pinconf nodes. Each configuration node can consist of multiple nodes -describing the pinmux and pinconf options. - -The name of each subnode doesn't matter as long as it is unique; all subnodes -should be enumerated and processed purely based on their content. - -== pinmux nodes content == - -The following generic properties as defined in pinctrl-bindings.txt are valid -to specify in a pinmux subnode: - -Required properties are: - - groups: An array of strings. Each string contains the name of a group. - Valid values for these names are listed below. - - function: A string containing the name of the function to mux to the - group. Valid values for function names are listed below. - -== pinconf nodes content == - -The following generic properties as defined in pinctrl-bindings.txt are valid -to specify in a pinconf subnode: - -Required properties are: - - pins: An array of strings. Each string contains the name of a pin. - Valid values for these names are listed below. - - groups: An array of strings. Each string contains the name of a group. - Valid values for these names are listed below. - -Optional properies are: - bias-disable, bias-pull, bias-pull-down, input-enable, - input-schmitt-enable, input-schmitt-disable, output-enable - output-low, output-high, drive-strength, slew-rate - - Valid arguments for 'slew-rate' are '0' for no slew rate controlled and '1' for - slower slew rate respectively. - Valid arguments for 'drive-strength', 4, 8, 12, or 16 in mA. - -The following specific properties as defined are valid to specify in a pinconf -subnode: - -Optional properties are: - - mediatek,tdsel: An integer describing the steps for output level shifter duty - cycle when asserted (high pulse width adjustment). Valid arguments are from 0 - to 15. - - mediatek,rdsel: An integer describing the steps for input level shifter duty - cycle when asserted (high pulse width adjustment). Valid arguments are from 0 - to 63. - -== Valid values for pins, function and groups on MT7622 == - -Valid values for pins are: -pins can be referenced via the pin names as the below table shown and the -related physical number is also put ahead of those names which helps cross -references to pins between groups to know whether pins assignment conflict -happens among devices try to acquire those available pins. - - Pin #: Valid values for pins - ----------------------------- - PIN 0: "GPIO_A" - PIN 1: "I2S1_IN" - PIN 2: "I2S1_OUT" - PIN 3: "I2S_BCLK" - PIN 4: "I2S_WS" - PIN 5: "I2S_MCLK" - PIN 6: "TXD0" - PIN 7: "RXD0" - PIN 8: "SPI_WP" - PIN 9: "SPI_HOLD" - PIN 10: "SPI_CLK" - PIN 11: "SPI_MOSI" - PIN 12: "SPI_MISO" - PIN 13: "SPI_CS" - PIN 14: "I2C_SDA" - PIN 15: "I2C_SCL" - PIN 16: "I2S2_IN" - PIN 17: "I2S3_IN" - PIN 18: "I2S4_IN" - PIN 19: "I2S2_OUT" - PIN 20: "I2S3_OUT" - PIN 21: "I2S4_OUT" - PIN 22: "GPIO_B" - PIN 23: "MDC" - PIN 24: "MDIO" - PIN 25: "G2_TXD0" - PIN 26: "G2_TXD1" - PIN 27: "G2_TXD2" - PIN 28: "G2_TXD3" - PIN 29: "G2_TXEN" - PIN 30: "G2_TXC" - PIN 31: "G2_RXD0" - PIN 32: "G2_RXD1" - PIN 33: "G2_RXD2" - PIN 34: "G2_RXD3" - PIN 35: "G2_RXDV" - PIN 36: "G2_RXC" - PIN 37: "NCEB" - PIN 38: "NWEB" - PIN 39: "NREB" - PIN 40: "NDL4" - PIN 41: "NDL5" - PIN 42: "NDL6" - PIN 43: "NDL7" - PIN 44: "NRB" - PIN 45: "NCLE" - PIN 46: "NALE" - PIN 47: "NDL0" - PIN 48: "NDL1" - PIN 49: "NDL2" - PIN 50: "NDL3" - PIN 51: "MDI_TP_P0" - PIN 52: "MDI_TN_P0" - PIN 53: "MDI_RP_P0" - PIN 54: "MDI_RN_P0" - PIN 55: "MDI_TP_P1" - PIN 56: "MDI_TN_P1" - PIN 57: "MDI_RP_P1" - PIN 58: "MDI_RN_P1" - PIN 59: "MDI_RP_P2" - PIN 60: "MDI_RN_P2" - PIN 61: "MDI_TP_P2" - PIN 62: "MDI_TN_P2" - PIN 63: "MDI_TP_P3" - PIN 64: "MDI_TN_P3" - PIN 65: "MDI_RP_P3" - PIN 66: "MDI_RN_P3" - PIN 67: "MDI_RP_P4" - PIN 68: "MDI_RN_P4" - PIN 69: "MDI_TP_P4" - PIN 70: "MDI_TN_P4" - PIN 71: "PMIC_SCL" - PIN 72: "PMIC_SDA" - PIN 73: "SPIC1_CLK" - PIN 74: "SPIC1_MOSI" - PIN 75: "SPIC1_MISO" - PIN 76: "SPIC1_CS" - PIN 77: "GPIO_D" - PIN 78: "WATCHDOG" - PIN 79: "RTS3_N" - PIN 80: "CTS3_N" - PIN 81: "TXD3" - PIN 82: "RXD3" - PIN 83: "PERST0_N" - PIN 84: "PERST1_N" - PIN 85: "WLED_N" - PIN 86: "EPHY_LED0_N" - PIN 87: "AUXIN0" - PIN 88: "AUXIN1" - PIN 89: "AUXIN2" - PIN 90: "AUXIN3" - PIN 91: "TXD4" - PIN 92: "RXD4" - PIN 93: "RTS4_N" - PIN 94: "CST4_N" - PIN 95: "PWM1" - PIN 96: "PWM2" - PIN 97: "PWM3" - PIN 98: "PWM4" - PIN 99: "PWM5" - PIN 100: "PWM6" - PIN 101: "PWM7" - PIN 102: "GPIO_E" - -Valid values for function are: - "emmc", "eth", "i2c", "i2s", "ir", "led", "flash", "pcie", - "pmic", "pwm", "sd", "spi", "tdm", "uart", "watchdog" - -Valid values for groups are: -additional data is put followingly with valid value allowing us to know which -applicable function and which relevant pins (in pin#) are able applied for that -group. - - Valid value function pins (in pin#) - ------------------------------------------------------------------------- - "emmc" "emmc" 40, 41, 42, 43, 44, 45, - 47, 48, 49, 50 - "emmc_rst" "emmc" 37 - "esw" "eth" 51, 52, 53, 54, 55, 56, - 57, 58, 59, 60, 61, 62, - 63, 64, 65, 66, 67, 68, - 69, 70 - "esw_p0_p1" "eth" 51, 52, 53, 54, 55, 56, - 57, 58 - "esw_p2_p3_p4" "eth" 59, 60, 61, 62, 63, 64, - 65, 66, 67, 68, 69, 70 - "rgmii_via_esw" "eth" 59, 60, 61, 62, 63, 64, - 65, 66, 67, 68, 69, 70 - "rgmii_via_gmac1" "eth" 59, 60, 61, 62, 63, 64, - 65, 66, 67, 68, 69, 70 - "rgmii_via_gmac2" "eth" 25, 26, 27, 28, 29, 30, - 31, 32, 33, 34, 35, 36 - "mdc_mdio" "eth" 23, 24 - "i2c0" "i2c" 14, 15 - "i2c1_0" "i2c" 55, 56 - "i2c1_1" "i2c" 73, 74 - "i2c1_2" "i2c" 87, 88 - "i2c2_0" "i2c" 57, 58 - "i2c2_1" "i2c" 75, 76 - "i2c2_2" "i2c" 89, 90 - "i2s_in_mclk_bclk_ws" "i2s" 3, 4, 5 - "i2s1_in_data" "i2s" 1 - "i2s2_in_data" "i2s" 16 - "i2s3_in_data" "i2s" 17 - "i2s4_in_data" "i2s" 18 - "i2s_out_mclk_bclk_ws" "i2s" 3, 4, 5 - "i2s1_out_data" "i2s" 2 - "i2s2_out_data" "i2s" 19 - "i2s3_out_data" "i2s" 20 - "i2s4_out_data" "i2s" 21 - "ir_0_tx" "ir" 16 - "ir_1_tx" "ir" 59 - "ir_2_tx" "ir" 99 - "ir_0_rx" "ir" 17 - "ir_1_rx" "ir" 60 - "ir_2_rx" "ir" 100 - "ephy_leds" "led" 86, 91, 92, 93, 94 - "ephy0_led" "led" 86 - "ephy1_led" "led" 91 - "ephy2_led" "led" 92 - "ephy3_led" "led" 93 - "ephy4_led" "led" 94 - "wled" "led" 85 - "par_nand" "flash" 37, 38, 39, 40, 41, 42, - 43, 44, 45, 46, 47, 48, - 49, 50 - "snfi" "flash" 8, 9, 10, 11, 12, 13 - "spi_nor" "flash" 8, 9, 10, 11, 12, 13 - "pcie0_0_waken" "pcie" 14 - "pcie0_1_waken" "pcie" 79 - "pcie1_0_waken" "pcie" 14 - "pcie0_0_clkreq" "pcie" 15 - "pcie0_1_clkreq" "pcie" 80 - "pcie1_0_clkreq" "pcie" 15 - "pcie0_pad_perst" "pcie" 83 - "pcie1_pad_perst" "pcie" 84 - "pmic_bus" "pmic" 71, 72 - "pwm_ch1_0" "pwm" 51 - "pwm_ch1_1" "pwm" 73 - "pwm_ch1_2" "pwm" 95 - "pwm_ch2_0" "pwm" 52 - "pwm_ch2_1" "pwm" 74 - "pwm_ch2_2" "pwm" 96 - "pwm_ch3_0" "pwm" 53 - "pwm_ch3_1" "pwm" 75 - "pwm_ch3_2" "pwm" 97 - "pwm_ch4_0" "pwm" 54 - "pwm_ch4_1" "pwm" 67 - "pwm_ch4_2" "pwm" 76 - "pwm_ch4_3" "pwm" 98 - "pwm_ch5_0" "pwm" 68 - "pwm_ch5_1" "pwm" 77 - "pwm_ch5_2" "pwm" 99 - "pwm_ch6_0" "pwm" 69 - "pwm_ch6_1" "pwm" 78 - "pwm_ch6_2" "pwm" 81 - "pwm_ch6_3" "pwm" 100 - "pwm_ch7_0" "pwm" 70 - "pwm_ch7_1" "pwm" 82 - "pwm_ch7_2" "pwm" 101 - "sd_0" "sd" 16, 17, 18, 19, 20, 21 - "sd_1" "sd" 25, 26, 27, 28, 29, 30 - "spic0_0" "spi" 63, 64, 65, 66 - "spic0_1" "spi" 79, 80, 81, 82 - "spic1_0" "spi" 67, 68, 69, 70 - "spic1_1" "spi" 73, 74, 75, 76 - "spic2_0_wp_hold" "spi" 8, 9 - "spic2_0" "spi" 10, 11, 12, 13 - "tdm_0_out_mclk_bclk_ws" "tdm" 8, 9, 10 - "tdm_0_in_mclk_bclk_ws" "tdm" 11, 12, 13 - "tdm_0_out_data" "tdm" 20 - "tdm_0_in_data" "tdm" 21 - "tdm_1_out_mclk_bclk_ws" "tdm" 57, 58, 59 - "tdm_1_in_mclk_bclk_ws" "tdm" 60, 61, 62 - "tdm_1_out_data" "tdm" 55 - "tdm_1_in_data" "tdm" 56 - "uart0_0_tx_rx" "uart" 6, 7 - "uart1_0_tx_rx" "uart" 55, 56 - "uart1_0_rts_cts" "uart" 57, 58 - "uart1_1_tx_rx" "uart" 73, 74 - "uart1_1_rts_cts" "uart" 75, 76 - "uart2_0_tx_rx" "uart" 3, 4 - "uart2_0_rts_cts" "uart" 1, 2 - "uart2_1_tx_rx" "uart" 51, 52 - "uart2_1_rts_cts" "uart" 53, 54 - "uart2_2_tx_rx" "uart" 59, 60 - "uart2_2_rts_cts" "uart" 61, 62 - "uart2_3_tx_rx" "uart" 95, 96 - "uart3_0_tx_rx" "uart" 57, 58 - "uart3_1_tx_rx" "uart" 81, 82 - "uart3_1_rts_cts" "uart" 79, 80 - "uart4_0_tx_rx" "uart" 61, 62 - "uart4_1_tx_rx" "uart" 91, 92 - "uart4_1_rts_cts" "uart" 93, 94 - "uart4_2_tx_rx" "uart" 97, 98 - "uart4_2_rts_cts" "uart" 95, 96 - "watchdog" "watchdog" 78 - - -== Valid values for pins, function and groups on MT7629 == - - Pin #: Valid values for pins - ----------------------------- - PIN 0: "TOP_5G_CLK" - PIN 1: "TOP_5G_DATA" - PIN 2: "WF0_5G_HB0" - PIN 3: "WF0_5G_HB1" - PIN 4: "WF0_5G_HB2" - PIN 5: "WF0_5G_HB3" - PIN 6: "WF0_5G_HB4" - PIN 7: "WF0_5G_HB5" - PIN 8: "WF0_5G_HB6" - PIN 9: "XO_REQ" - PIN 10: "TOP_RST_N" - PIN 11: "SYS_WATCHDOG" - PIN 12: "EPHY_LED0_N_JTDO" - PIN 13: "EPHY_LED1_N_JTDI" - PIN 14: "EPHY_LED2_N_JTMS" - PIN 15: "EPHY_LED3_N_JTCLK" - PIN 16: "EPHY_LED4_N_JTRST_N" - PIN 17: "WF2G_LED_N" - PIN 18: "WF5G_LED_N" - PIN 19: "I2C_SDA" - PIN 20: "I2C_SCL" - PIN 21: "GPIO_9" - PIN 22: "GPIO_10" - PIN 23: "GPIO_11" - PIN 24: "GPIO_12" - PIN 25: "UART1_TXD" - PIN 26: "UART1_RXD" - PIN 27: "UART1_CTS" - PIN 28: "UART1_RTS" - PIN 29: "UART2_TXD" - PIN 30: "UART2_RXD" - PIN 31: "UART2_CTS" - PIN 32: "UART2_RTS" - PIN 33: "MDI_TP_P1" - PIN 34: "MDI_TN_P1" - PIN 35: "MDI_RP_P1" - PIN 36: "MDI_RN_P1" - PIN 37: "MDI_RP_P2" - PIN 38: "MDI_RN_P2" - PIN 39: "MDI_TP_P2" - PIN 40: "MDI_TN_P2" - PIN 41: "MDI_TP_P3" - PIN 42: "MDI_TN_P3" - PIN 43: "MDI_RP_P3" - PIN 44: "MDI_RN_P3" - PIN 45: "MDI_RP_P4" - PIN 46: "MDI_RN_P4" - PIN 47: "MDI_TP_P4" - PIN 48: "MDI_TN_P4" - PIN 49: "SMI_MDC" - PIN 50: "SMI_MDIO" - PIN 51: "PCIE_PERESET_N" - PIN 52: "PWM_0" - PIN 53: "GPIO_0" - PIN 54: "GPIO_1" - PIN 55: "GPIO_2" - PIN 56: "GPIO_3" - PIN 57: "GPIO_4" - PIN 58: "GPIO_5" - PIN 59: "GPIO_6" - PIN 60: "GPIO_7" - PIN 61: "GPIO_8" - PIN 62: "SPI_CLK" - PIN 63: "SPI_CS" - PIN 64: "SPI_MOSI" - PIN 65: "SPI_MISO" - PIN 66: "SPI_WP" - PIN 67: "SPI_HOLD" - PIN 68: "UART0_TXD" - PIN 69: "UART0_RXD" - PIN 70: "TOP_2G_CLK" - PIN 71: "TOP_2G_DATA" - PIN 72: "WF0_2G_HB0" - PIN 73: "WF0_2G_HB1" - PIN 74: "WF0_2G_HB2" - PIN 75: "WF0_2G_HB3" - PIN 76: "WF0_2G_HB4" - PIN 77: "WF0_2G_HB5" - PIN 78: "WF0_2G_HB6" - -Valid values for function are: - "eth", "i2c", "led", "flash", "pcie", "pwm", "spi", "uart", - "watchdog", "wifi" - -Valid values for groups are: - Valid value function pins (in pin#) - ---------------------------------------------------------------- - "mdc_mdio" "eth" 23, 24 - "i2c_0" "i2c" 19, 20 - "i2c_1" "i2c" 53, 54 - "ephy_leds" "led" 12, 13, 14, 15, 16, - 17, 18 - "ephy0_led" "led" 12 - "ephy1_led" "led" 13 - "ephy2_led" "led" 14 - "ephy3_led" "led" 15 - "ephy4_led" "led" 16 - "wf2g_led" "led" 17 - "wf5g_led" "led" 18 - "snfi" "flash" 62, 63, 64, 65, 66, 67 - "spi_nor" "flash" 62, 63, 64, 65, 66, 67 - "pcie_pereset" "pcie" 51 - "pcie_wake" "pcie" 55 - "pcie_clkreq" "pcie" 56 - "pwm_0" "pwm" 52 - "pwm_1" "pwm" 61 - "spi_0" "spi" 21, 22, 23, 24 - "spi_1" "spi" 62, 63, 64, 65 - "spi_wp" "spi" 66 - "spi_hold" "spi" 67 - "uart0_txd_rxd" "uart" 68, 69 - "uart1_0_txd_rxd" "uart" 25, 26 - "uart1_0_cts_rts" "uart" 27, 28 - "uart1_1_txd_rxd" "uart" 53, 54 - "uart1_1_cts_rts" "uart" 55, 56 - "uart2_0_txd_rxd" "uart" 29, 30 - "uart2_0_cts_rts" "uart" 31, 32 - "uart2_1_txd_rxd" "uart" 57, 58 - "uart2_1_cts_rts" "uart" 59, 60 - "watchdog" "watchdog" 11 - "wf0_2g" "wifi" 70, 71, 72, 73, 74, - 75, 76, 77, 78 - "wf0_5g" "wifi" 0, 1, 2, 3, 4, 5, 6, - 7, 8, 9, 10 - -Example: - - pio: pinctrl@10211000 { - compatible = "mediatek,mt7622-pinctrl"; - reg = <0 0x10211000 0 0x1000>; - gpio-controller; - #gpio-cells = <2>; - - pinctrl_eth_default: eth-default { - mux-mdio { - groups = "mdc_mdio"; - function = "eth"; - drive-strength = <12>; - }; - - mux-gmac2 { - groups = "gmac2"; - function = "eth"; - drive-strength = <12>; - }; - - mux-esw { - groups = "esw"; - function = "eth"; - drive-strength = <8>; - }; - - conf-mdio { - pins = "MDC"; - bias-pull-up; - }; - }; - }; diff --git a/Documentation/devicetree/bindings/pinctrl/pinctrl-mt8183.txt b/Documentation/devicetree/bindings/pinctrl/pinctrl-mt8183.txt deleted file mode 100644 index eccbe3f55d3f3..0000000000000 --- a/Documentation/devicetree/bindings/pinctrl/pinctrl-mt8183.txt +++ /dev/null @@ -1,132 +0,0 @@ -* Mediatek MT8183 Pin Controller - -The Mediatek's Pin controller is used to control SoC pins. - -Required properties: -- compatible: value should be one of the following. - "mediatek,mt8183-pinctrl", compatible with mt8183 pinctrl. -- gpio-controller : Marks the device node as a gpio controller. -- #gpio-cells: number of cells in GPIO specifier. Since the generic GPIO - binding is used, the amount of cells must be specified as 2. See the below - mentioned gpio binding representation for description of particular cells. -- gpio-ranges : gpio valid number range. -- reg: physical address base for gpio base registers. There are 10 GPIO - physical address base in mt8183. - -Optional properties: -- reg-names: gpio base register names. There are 10 gpio base register - names in mt8183. They are "iocfg0", "iocfg1", "iocfg2", "iocfg3", "iocfg4", - "iocfg5", "iocfg6", "iocfg7", "iocfg8", "eint". -- interrupt-controller: Marks the device node as an interrupt controller -- #interrupt-cells: Should be two. -- interrupts : The interrupt outputs to sysirq. - -Please refer to pinctrl-bindings.txt in this directory for details of the -common pinctrl bindings used by client devices. - -Subnode format -A pinctrl node should contain at least one subnodes representing the -pinctrl groups available on the machine. Each subnode will list the -pins it needs, and how they should be configured, with regard to muxer -configuration, pullups, drive strength, input enable/disable and input schmitt. - - node { - pinmux = ; - GENERIC_PINCONFIG; - }; - -Required properties: -- pinmux: integer array, represents gpio pin number and mux setting. - Supported pin number and mux varies for different SoCs, and are defined - as macros in boot/dts/-pinfunc.h directly. - -Optional properties: -- GENERIC_PINCONFIG: is the generic pinconfig options to use, bias-disable, - bias-pull-down, bias-pull-up, input-enable, input-disable, output-low, - output-high, input-schmitt-enable, input-schmitt-disable - and drive-strength are valid. - - Some special pins have extra pull up strength, there are R0 and R1 pull-up - resistors available, but for user, it's only need to set R1R0 as 00, 01, - 10 or 11. So It needs config "mediatek,pull-up-adv" or - "mediatek,pull-down-adv" to support arguments for those special pins. - Valid arguments are from 0 to 3. - - mediatek,tdsel: An integer describing the steps for output level shifter - duty cycle when asserted (high pulse width adjustment). Valid arguments - are from 0 to 15. - mediatek,rdsel: An integer describing the steps for input level shifter - duty cycle when asserted (high pulse width adjustment). Valid arguments - are from 0 to 63. - - When config drive-strength, it can support some arguments, such as - MTK_DRIVE_4mA, MTK_DRIVE_6mA, etc. See dt-bindings/pinctrl/mt65xx.h. - It can only support 2/4/6/8/10/12/14/16mA in mt8183. - For I2C pins, there are existing generic driving setup and the specific - driving setup. I2C pins can only support 2/4/6/8/10/12/14/16mA driving - adjustment in generic driving setup. But in specific driving setup, - they can support 0.125/0.25/0.5/1mA adjustment. If we enable specific - driving setup for I2C pins, the existing generic driving setup will be - disabled. For some special features, we need the I2C pins specific - driving setup. The specific driving setup is controlled by E1E0EN. - So we need add extra vendor driving preperty instead of - the generic driving property. - We can add "mediatek,drive-strength-adv = ;" to describe the specific - driving setup property. "XXX" means the value of E1E0EN. EN is 0 or 1. - It is used to enable or disable the specific driving setup. - E1E0 is used to describe the detail strength specification of the I2C pin. - When E1=0/E0=0, the strength is 0.125mA. - When E1=0/E0=1, the strength is 0.25mA. - When E1=1/E0=0, the strength is 0.5mA. - When E1=1/E0=1, the strength is 1mA. - So the valid arguments of "mediatek,drive-strength-adv" are from 0 to 7. - -Examples: - -#include "mt8183-pinfunc.h" - -... -{ - pio: pinctrl@10005000 { - compatible = "mediatek,mt8183-pinctrl"; - reg = <0 0x10005000 0 0x1000>, - <0 0x11f20000 0 0x1000>, - <0 0x11e80000 0 0x1000>, - <0 0x11e70000 0 0x1000>, - <0 0x11e90000 0 0x1000>, - <0 0x11d30000 0 0x1000>, - <0 0x11d20000 0 0x1000>, - <0 0x11c50000 0 0x1000>, - <0 0x11f30000 0 0x1000>, - <0 0x1000b000 0 0x1000>; - reg-names = "iocfg0", "iocfg1", "iocfg2", - "iocfg3", "iocfg4", "iocfg5", - "iocfg6", "iocfg7", "iocfg8", - "eint"; - gpio-controller; - #gpio-cells = <2>; - gpio-ranges = <&pio 0 0 192>; - interrupt-controller; - interrupts = ; - #interrupt-cells = <2>; - - i2c0_pins_a: i2c0 { - pins1 { - pinmux = , - ; - mediatek,pull-up-adv = <3>; - mediatek,drive-strength-adv = <7>; - }; - }; - - i2c1_pins_a: i2c1 { - pins { - pinmux = , - ; - mediatek,pull-down-adv = <2>; - mediatek,drive-strength-adv = <4>; - }; - }; - ... - }; -};