From patchwork Wed Sep 21 09:50:52 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomer Maimon X-Patchwork-Id: 608446 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 75A0EC6FA91 for ; Wed, 21 Sep 2022 10:18:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231463AbiIUKSm (ORCPT ); Wed, 21 Sep 2022 06:18:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47510 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231374AbiIUKS1 (ORCPT ); Wed, 21 Sep 2022 06:18:27 -0400 Received: from maillog.nuvoton.com (maillog.nuvoton.com [202.39.227.15]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id BA28295E44; Wed, 21 Sep 2022 03:18:23 -0700 (PDT) Received: from NTHCCAS01.nuvoton.com (NTHCCAS01.nuvoton.com [10.1.8.28]) by maillog.nuvoton.com (Postfix) with ESMTP id AA5ED1C811C0; Wed, 21 Sep 2022 17:50:56 +0800 (CST) Received: from NTHCCAS02.nuvoton.com (10.1.9.121) by NTHCCAS01.nuvoton.com (10.1.8.28) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.7; Wed, 21 Sep 2022 17:50:56 +0800 Received: from NTHCCAS04.nuvoton.com (10.1.8.29) by NTHCCAS02.nuvoton.com (10.1.9.121) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.1.2176.2; Wed, 21 Sep 2022 17:50:56 +0800 Received: from taln60.nuvoton.co.il (10.191.1.180) by NTHCCAS04.nuvoton.com (10.1.12.25) with Microsoft SMTP Server id 15.1.2176.2 via Frontend Transport; Wed, 21 Sep 2022 17:50:55 +0800 Received: by taln60.nuvoton.co.il (Postfix, from userid 10070) id 280E8637C4; Wed, 21 Sep 2022 12:50:55 +0300 (IDT) From: Tomer Maimon To: , , , , , , , , , , CC: , , , , Tomer Maimon Subject: [PATCH v3 1/2] dt-binding: pinctrl: Add NPCM8XX pinctrl and GPIO documentation Date: Wed, 21 Sep 2022 12:50:52 +0300 Message-ID: <20220921095053.88658-2-tmaimon77@gmail.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20220921095053.88658-1-tmaimon77@gmail.com> References: <20220921095053.88658-1-tmaimon77@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Added device tree binding documentation for Nuvoton Arbel BMC NPCM8XX pinmux and GPIO controller. Signed-off-by: Tomer Maimon --- .../pinctrl/nuvoton,npcm845-pinctrl.yaml | 213 ++++++++++++++++++ 1 file changed, 213 insertions(+) create mode 100644 Documentation/devicetree/bindings/pinctrl/nuvoton,npcm845-pinctrl.yaml diff --git a/Documentation/devicetree/bindings/pinctrl/nuvoton,npcm845-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/nuvoton,npcm845-pinctrl.yaml new file mode 100644 index 000000000000..2e8bc9b22166 --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/nuvoton,npcm845-pinctrl.yaml @@ -0,0 +1,213 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pinctrl/nuvoton,npcm845-pinctrl.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Nuvoton NPCM845 Pin Controller and GPIO + +maintainers: + - Tomer Maimon + +description: + The Nuvoton BMC NPCM8XX Pin Controller multi-function routed through + the multiplexing block, Each pin supports GPIO functionality (GPIOx) + and multiple functions that directly connect the pin to different + hardware blocks. + +properties: + compatible: + const: nuvoton,npcm845-pinctrl + + ranges: + maxItems: 1 + + '#address-cells': + const: 1 + + '#size-cells': + const: 1 + + nuvoton,sysgcr: + $ref: /schemas/types.yaml#/definitions/phandle + description: a phandle to access GCR registers. + +patternProperties: + "^gpio@": + type: object + + description: + Eight GPIO banks that each contain 32 GPIOs. + + properties: + gpio-controller: true + + '#gpio-cells': + const: 2 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + gpio-ranges: + maxItems: 1 + + required: + - gpio-controller + - '#gpio-cells' + - reg + - interrupts + - gpio-ranges + + "-mux": + $ref: pinmux-node.yaml# + + properties: + groups: + description: + One or more groups of pins to mux to a certain function + items: + enum: [ iox1, iox2, smb1d, smb2d, lkgpo1, lkgpo2, ioxh, gspi, + smb5b, smb5c, lkgpo0, pspi2, jm1, jm2, smb4den, smb4b, + smb4c, smb15, smb16, smb17, smb18, smb19, smb20, smb21, + smb22, smb23, smb4d, smb14, smb5, smb4, smb3, spi0cs1, + spi0cs2, spi0cs3, smb3c, smb3b, bmcuart0a, uart1, jtag2, + bmcuart1, uart2, bmcuart0b, r1err, r1md, r1oen, r2oen, + rmii3, r3oen, smb3d, fanin0, fanin1, fanin2, fanin3, fanin4, + fanin5, fanin6, fanin7, fanin8, fanin9, fanin10, fanin11, + fanin12, fanin13, fanin14, fanin15, pwm0, pwm1, pwm2, pwm3, + r2, r2err, r2md, r3rxer, ga20kbc, smb5d, lpc, espi, rg1, + rg1mdio, rg2, ddr, i3c0, i3c1, i3c2, i3c3, i3c4, i3c5, + smb0, smb1, smb2, smb2c, smb2b, smb1c, smb1b, smb8, smb9, + smb10, smb11, sd1, sd1pwr, pwm4, pwm5, pwm6, pwm7, pwm8, + pwm9, pwm10, pwm11, mmc8, mmc, mmcwp, mmccd, mmcrst, clkout, + serirq, lpcclk, scipme, sci, smb6, smb7, spi1, faninx, r1, + spi3, spi3cs1, spi3quad, spi3cs2, spi3cs3, nprd_smi, smb0b, + smb0c, smb0den, smb0d, ddc, rg2mdio, wdog1, wdog2, smb12, + smb13, spix, spixcs1, clkreq, hgpio0, hgpio1, hgpio2, hgpio3, + hgpio4, hgpio5, hgpio6, hgpio7 ] + + function: + description: + The function that a group of pins is muxed to + enum: [ iox1, iox2, smb1d, smb2d, lkgpo1, lkgpo2, ioxh, gspi, + smb5b, smb5c, lkgpo0, pspi2, jm1, jm2, smb4den, smb4b, + smb4c, smb15, smb16, smb17, smb18, smb19, smb20, smb21, + smb22, smb23, smb4d, smb14, smb5, smb4, smb3, spi0cs1, + spi0cs2, spi0cs3, smb3c, smb3b, bmcuart0a, uart1, jtag2, + bmcuart1, uart2, bmcuart0b, r1err, r1md, r1oen, r2oen, + rmii3, r3oen, smb3d, fanin0, fanin1, fanin2, fanin3, fanin4, + fanin5, fanin6, fanin7, fanin8, fanin9, fanin10, fanin11, + fanin12, fanin13, fanin14, fanin15, pwm0, pwm1, pwm2, pwm3, + r2, r2err, r2md, r3rxer, ga20kbc, smb5d, lpc, espi, rg1, + rg1mdio, rg2, ddr, i3c0, i3c1, i3c2, i3c3, i3c4, i3c5, + smb0, smb1, smb2, smb2c, smb2b, smb1c, smb1b, smb8, smb9, + smb10, smb11, sd1, sd1pwr, pwm4, pwm5, pwm6, pwm7, pwm8, + pwm9, pwm10, pwm11, mmc8, mmc, mmcwp, mmccd, mmcrst, clkout, + serirq, lpcclk, scipme, sci, smb6, smb7, spi1, faninx, r1, + spi3, spi3cs1, spi3quad, spi3cs2, spi3cs3, nprd_smi, smb0b, + smb0c, smb0den, smb0d, ddc, rg2mdio, wdog1, wdog2, smb12, + smb13, spix, spixcs1, clkreq, hgpio0, hgpio1, hgpio2, hgpio3, + hgpio4, hgpio5, hgpio6, hgpio7 ] + + dependencies: + groups: [ function ] + function: [ groups ] + + additionalProperties: false + + "^pin": + $ref: pincfg-node.yaml# + + properties: + pins: + description: + A list of pins to configure in certain ways, such as enabling + debouncing + + bias-disable: true + + bias-pull-up: true + + bias-pull-down: true + + input-enable: true + + output-low: true + + output-high: true + + drive-push-pull: true + + drive-open-drain: true + + input-debounce: + description: + Debouncing periods in microseconds, one period per interrupt + bank found in the controller + $ref: /schemas/types.yaml#/definitions/uint32-array + minItems: 1 + maxItems: 4 + + slew-rate: + description: | + 0: Low rate + 1: High rate + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [0, 1] + + drive-strength: + enum: [ 0, 1, 2, 4, 8, 12 ] + + additionalProperties: false + +allOf: + - $ref: "pinctrl.yaml#" + +required: + - compatible + - ranges + - '#address-cells' + - '#size-cells' + - nuvoton,sysgcr + +additionalProperties: false + +examples: + - | + #include + #include + + soc { + #address-cells = <2>; + #size-cells = <2>; + + pinctrl: pinctrl@f0800000 { + compatible = "nuvoton,npcm845-pinctrl"; + ranges = <0x0 0x0 0xf0010000 0x8000>; + #address-cells = <1>; + #size-cells = <1>; + nuvoton,sysgcr = <&gcr>; + + gpio0: gpio@f0010000 { + gpio-controller; + #gpio-cells = <2>; + reg = <0x0 0xB0>; + interrupts = ; + gpio-ranges = <&pinctrl 0 0 32>; + }; + + fanin0_pin: fanin0-mux { + groups = "fanin0"; + function = "fanin0"; + }; + + pin34_slew: pin34-slew { + pins = "GPIO34/I3C4_SDA"; + bias-disable; + }; + }; + }; +