From mboxrd@z Thu Jan 1 00:00:00 1970 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9346DC433FE for ; Wed, 27 Oct 2021 08:56:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7C91160174 for ; Wed, 27 Oct 2021 08:56:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235831AbhJ0I62 (ORCPT ); Wed, 27 Oct 2021 04:58:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51750 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241077AbhJ0I6G (ORCPT ); Wed, 27 Oct 2021 04:58:06 -0400 Received: from mail-pf1-x441.google.com (mail-pf1-x441.google.com [IPv6:2607:f8b0:4864:20::441]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 55781C061570; Wed, 27 Oct 2021 01:55:41 -0700 (PDT) Received: by mail-pf1-x441.google.com with SMTP id l203so2115089pfd.2; Wed, 27 Oct 2021 01:55:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=R3v6MvSfqT1luNHnBpPbyyj67/794LBUC45XQWd31SQ=; b=MpixLa4ddjRWrhASEaXnYjtzHSOABfOuH6s6sYWQaP+3+KeCZpfH2TenRx5KXUsLDl XzBQC8b65bxY/Ltqp/h0cpuR7PQHJsQtJfYIBvDSfReRtI7QOWKnEK0duE4O8AoR+Wzi q0NpHbVEtgyBfOkfV8up6nQdFEnLZ00CyCUJF3IIGyW1+b3hz7Tips5tNmu4ZX/ZjLUK RdL3oUbf7VKhCr4mnsXJX3HAChsX0/vDvxHloNwTxoK72Jl8fLW2gMa0RprWZTpdd8Qe TX3JeUGWbXVEruIx8cMOE52idxcm61d2TJ+keyUB3jMGfB1gDsyr4VL43lpsGv0crQAE bUwg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=R3v6MvSfqT1luNHnBpPbyyj67/794LBUC45XQWd31SQ=; b=4ZhhBQwE7A36w9khr7z62Ums6DxCDSb6ptz3vcF7Mq+xRGLFF11gw4iYBasg7ZEmgW RE/pj0kh2UV0h3IdRjL9cqDLPgLLT5f0ZioYlwyl3QjlW53S6hmXq86Psyw89jARPmhr b833YH10r6scjVNKPcYCLBQw8p++Vb4+k/O7o0+BwljAf3HQ877lVeU6pr1UKduhySPy cO0ZqIGgi2C9kdadXaVupo8NgpoxvD+P0wiO0XjObzqmIthSEXKhPGA94LE7nZ/PDuqw 5eAr8+0xZlM/MToizZN+WoCATIZvsEmjG0PwYGktsh2bi4JsThxN1NUyK/DFjTTm2wW2 G+iA== X-Gm-Message-State: AOAM532UoEeXOdepdU9rhsldIuRr++r+EIKoNKfGEcXdAubaBCFrUKDW FOhQPCOXmRmI4CtFEIsRzhg= X-Google-Smtp-Source: ABdhPJzBrnEInvI0q/oDAldtcTcujc9ONjFxt6dX/rGbP3WaXTEn2CL5kUMDgiuHBvo4zszGhhxdBQ== X-Received: by 2002:a63:b957:: with SMTP id v23mr22253604pgo.74.1635324940748; Wed, 27 Oct 2021 01:55:40 -0700 (PDT) Received: from scdiu3.sunplus.com ([113.196.136.192]) by smtp.googlemail.com with ESMTPSA id a15sm8336773pfv.64.2021.10.27.01.55.39 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Wed, 27 Oct 2021 01:55:40 -0700 (PDT) From: Wells Lu X-Google-Original-From: Wells Lu To: linus.walleij@linaro.org, linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, robh+dt@kernel.org, devicetree@vger.kernel.org Cc: qinjian@cqplus1.com, dvorkin@tibbo.com, Wells Lu Subject: [PATCH 3/3] devicetree: bindings: pinctrl: Add bindings doc for Sunplus SP7021. Date: Wed, 27 Oct 2021 16:55:26 +0800 Message-Id: <1635324926-22319-4-git-send-email-wells.lu@sunplus.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1635324926-22319-1-git-send-email-wells.lu@sunplus.com> References: <1635324926-22319-1-git-send-email-wells.lu@sunplus.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add bindings documentation for Sunplus SP7021. Signed-off-by: Wells Lu --- .../bindings/pinctrl/sunplus,sp7021-pinctrl.yaml | 277 +++++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 278 insertions(+) create mode 100644 Documentation/devicetree/bindings/pinctrl/sunplus,sp7021-pinctrl.yaml diff --git a/Documentation/devicetree/bindings/pinctrl/sunplus,sp7021-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/sunplus,sp7021-pinctrl.yaml new file mode 100644 index 0000000..7cfa0ce --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/sunplus,sp7021-pinctrl.yaml @@ -0,0 +1,277 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright (C) Sunplus Co., Ltd. 2021 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pinctrl/sunplus,sp7021-pinctrl.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Sunplus SP7021 Pin Controller Device Tree Bindings + +maintainers: + - Dvorkin Dmitry + - Wells Lu + +description: | + The Sunplus SP7021 pin controller is used to control SoC pins. Please + refer to pinctrl-bindings.txt in this directory for details of the common + pinctrl bindings used by client devices. + + Refer to https://sunplus-tibbo.atlassian.net/wiki/spaces/doc/pages/ + 1443495991/How+to+setup+pins+of+SP7021+in+device-tree+source + + The device node of pin controller of Sunplus SP7021 has following + properties. + +properties: + compatible: + const: sunplus,sp7021-pctl + + gpio-controller: true + + '#gpio-cells': + const: 2 + + reg: + items: + - description: Base address and length of the MOON2 registers. + - description: Base address and length of the GPIOXT registers. + - description: Base address and length of the GPIOXT2 registers. + - description: Base address and length of the FIRST registers. + - description: Base address and length of the MOON1 registers. + + clocks: + maxItems: 1 + + resets: + maxItems: 1 + +patternProperties: + '^.*$': + if: + type: object + then: + description: | + A pinctrl node should contain at least one subnodes representing the + pins or function-pins group available on the machine. Each subnode + will list the pins it needs, and how they should be configured. + + Pinctrl node's client devices use subnodes for desired pin + configuration. Client device subnodes use below standard properties. + + properties: + pins: + description: | + Define pins which are used by pinctrl node's client device. + + It consists of one or more integers which represents the config + setting for corresponding pin. Please use macro SPPCTL_IOPAD to + define the integers for pins. + + The first argument of the macro is pin number, the second is pin + type, the third is type of GPIO, the last is default output state + of GPIO. + $ref: /schemas/types.yaml#/definitions/uint32-array + + function: + description: | + Define pin-function which is used by pinctrl node's client device. + The name should be one of string in the following enumeration. + $ref: "/schemas/types.yaml#/definitions/string" + enum: [ SPI_FLASH, SPI_FLASH_4BIT, SPI_NAND, CARD0_EMMC, SD_CARD, + UA0, FPGA_IFX, HDMI_TX, LCDIF, USB0_OTG, USB1_OTG ] + + groups: + description: | + Define pin-group in a specified pin-function. + The name should be one of string in the following enumeration. + $ref: "/schemas/types.yaml#/definitions/string" + enum: [ SPI_FLASH1, SPI_FLASH2, SPI_FLASH_4BIT1, SPI_FLASH_4BIT2, + SPI_NAND, CARD0_EMMC, SD_CARD, UA0, FPGA_IFX, HDMI_TX1, + HDMI_TX2, HDMI_TX3, LCDIF, USB0_OTG, USB1_OTG ] + + zero_func: + description: | + Disabled pins which are not used by pinctrl node's client device. + $ref: /schemas/types.yaml#/definitions/uint32-array + + additionalProperties: false + + allOf: + - if: + properties: + function: + enum: + - SPI_FLASH + then: + properties: + groups: + enum: + - SPI_FLASH1 + - SPI_FLASH2 + - if: + properties: + function: + enum: + - SPI_FLASH_4BIT + then: + properties: + groups: + enum: + - SPI_FLASH_4BIT1 + - SPI_FLASH_4BIT2 + - if: + properties: + function: + enum: + - SPI_NAND + then: + properties: + groups: + enum: + - SPI_NAND + - if: + properties: + function: + enum: + - CARD0_EMMC + then: + properties: + groups: + enum: + - CARD0_EMMC + - if: + properties: + function: + enum: + - SD_CARD + then: + properties: + groups: + enum: + - SD_CARD + - if: + properties: + function: + enum: + - UA0 + then: + properties: + groups: + enum: + - UA0 + - if: + properties: + function: + enum: + - FPGA_IFX + then: + properties: + groups: + enum: + - FPGA_IFX + - if: + properties: + function: + enum: + - HDMI_TX + then: + properties: + groups: + enum: + - HDMI_TX1 + - HDMI_TX2 + - HDMI_TX3 + - if: + properties: + function: + enum: + - LCDIF + then: + properties: + groups: + enum: + - LCDIF + - if: + properties: + function: + enum: + - USB0_OTG + then: + properties: + groups: + enum: + - USB0_OTG + - if: + properties: + function: + enum: + - USB1_OTG + then: + properties: + groups: + enum: + - USB1_OTG + +required: + - compatible + - reg + - "#gpio-cells" + - gpio-controller + - clocks + - resets + +additionalProperties: false + +examples: + - | + #include + #include + #include + + pctl: pctl@9C000100 { + compatible = "sunplus,sp7021-pctl"; + reg = <0x9C000100 0x100>, <0x9C000300 0x80>, <0x9C000380 0x80>, + <0x9C0032e4 0x1C>, <0x9C000080 0x20>; + gpio-controller; + #gpio-cells = <2>; + clocks = <&clkc GPIO>; + resets = <&rstc RST_GPIO>; + + pins_uart0: pins_uart0 { + function = "UA0"; + groups = "UA0"; + }; + + pins_uart1: pins_uart1 { + pins = < + SPPCTL_IOPAD(11,SPPCTL_PCTL_G_PMUX,MUXF_UA1_TX,0) + SPPCTL_IOPAD(10,SPPCTL_PCTL_G_PMUX,MUXF_UA1_RX,0) + SPPCTL_IOPAD(7,SPPCTL_PCTL_G_GPIO,0,SPPCTL_PCTL_L_OUT) + >; + }; + + emmc_mux: emmc_mux { + function = "CARD0_EMMC"; + groups = "CARD0_EMMC"; + }; + + mmc1_mux: mmc1_mux { + function = "SD_CARD"; + groups = "SD_CARD"; + pins = < SPPCTL_IOPAD(91,SPPCTL_PCTL_G_GPIO,0,0) >; + }; + + hdmi_A_tx1: hdmi_A_tx1_pins { + function = "HDMI_TX"; + groups = "HDMI_TX1"; + }; + hdmi_A_tx2: hdmi_A_tx2_pins { + function = "HDMI_TX"; + groups = "HDMI_TX2"; + }; + hdmi_A_tx3: hdmi_A_tx3_pins { + function = "HDMI_TX"; + groups = "HDMI_TX3"; + }; + }; +... diff --git a/MAINTAINERS b/MAINTAINERS index 9cae8e7..fe3f359 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -14872,6 +14872,7 @@ M: Wells Lu L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers) S: Maintained W: https://sunplus-tibbo.atlassian.net/wiki/spaces/doc/overview +F: Documentation/devicetree/bindings/pinctrl/sunplus,* F: drivers/pinctrl/sunplus/ F: include/dt-bindings/pinctrl/sppctl* -- 2.7.4