From patchwork Wed Dec 1 20:51:01 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Florian Fainelli X-Patchwork-Id: 520383 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 5047AC433EF for ; Wed, 1 Dec 2021 20:52:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1343513AbhLAU4C (ORCPT ); Wed, 1 Dec 2021 15:56:02 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50584 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1353187AbhLAUzJ (ORCPT ); Wed, 1 Dec 2021 15:55:09 -0500 Received: from mail-pg1-x529.google.com (mail-pg1-x529.google.com [IPv6:2607:f8b0:4864:20::529]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8ED07C061574; Wed, 1 Dec 2021 12:51:48 -0800 (PST) Received: by mail-pg1-x529.google.com with SMTP id 71so24859541pgb.4; Wed, 01 Dec 2021 12:51:48 -0800 (PST) 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 :mime-version:content-transfer-encoding; bh=OZn9A+mFzA0aHToeDPBq9NgT/WPHcILFOviR6M5ho8M=; b=dJ3GPmR5MzyMtGoe3pDcBa8ddSr0qSWOqiSlhgbqtp9iIK7uYoSq8L08k2nQoZ5tJL ggFA1FVZIbJ3+AdX9clEv59qQhaz/xiK/t3Yuo1VkB3a14slnJ7MikNIgXmJ20y6CAmJ vyHytWLX5u3fyMQfmmDxryy9VErzoDcgubfQRorvV6kiglK50YWeVFWicjAAHn6vZcu6 B/ELTz2Z/YMLjQf6h9tVng6YPClAi84OC5mu/jwiNC7kTg/xmbdZBNz0Vj47ErcC5mh8 K4OezIrk6VmRWcxwf7iRwrmoWIVgU/Ch86jhwsKdOAq5WER5LqdubpgesTqiX21NagsU 6RBQ== 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:mime-version:content-transfer-encoding; bh=OZn9A+mFzA0aHToeDPBq9NgT/WPHcILFOviR6M5ho8M=; b=OHXUzlt6ntZiGDGJBWnd83m7uCH0pGaNFPcd/xykGiKPpA3GypzvewHAJ9CdRVva2e 7/3r6QL3BDLwZOFdevl6RwIosfK7C7MqNxiNw4B57jiO2ueTJKtBoVvfgBMzLSW5L7H/ Ycyod9WeX3C8lWNKoMlfxJV1K+j09EN+AEHkQLxRykCyXljB9gYw/+KCqR+pm8bsPI2N OWyPhitCI1EaHtzVmRhQ9ZNZdp4ZkEqOPCkvC4SGYUnMQplOZfUHBZNQ3me5lgAgIzo3 hUKvBobiD6jmG9z3fwoktdk6fM9lDrHSxRABWyfbCmYc20U0iNfQJL2ACMl6KYV2LuKx rpUg== X-Gm-Message-State: AOAM530I3k4Rr5Z+ZYexynok04LZFIc9xeR0QiJQR0ouFD0Iri28nwsx o61SVBqgrJb9vfgQJqReMLpPVbQ/xU4= X-Google-Smtp-Source: ABdhPJyi1H3tsULbf/kwFgbvTFC664FjwcMHKvWPNMt7TdkJ17Vxa9d0cdU2Y3CrRk9dlsdCSsBOVA== X-Received: by 2002:aa7:93c4:0:b0:49f:a7f5:7f5a with SMTP id y4-20020aa793c4000000b0049fa7f57f5amr8539889pff.8.1638391907671; Wed, 01 Dec 2021 12:51:47 -0800 (PST) Received: from fainelli-desktop.igp.broadcom.net ([192.19.223.252]) by smtp.gmail.com with ESMTPSA id p20sm729117pfw.96.2021.12.01.12.51.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 01 Dec 2021 12:51:47 -0800 (PST) From: Florian Fainelli To: devicetree@vger.kernel.org Cc: Florian Fainelli , Damien Le Moal , Rob Herring , Linus Walleij , Bartosz Golaszewski , bcm-kernel-feedback-list@broadcom.com (maintainer:BROADCOM BCM7XXX ARM ARCHITECTURE), Gregory Fong , Thomas Gleixner , Marc Zyngier , Ulf Hansson , Thierry Reding , =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= , Lee Jones , Philipp Zabel , Matt Mackall , Herbert Xu , Ray Jui , Scott Branden , Alessandro Zummo , Alexandre Belloni , "Rafael J. Wysocki" , Daniel Lezcano , Amit Kucheria , Zhang Rui , Markus Mayer , Greg Kroah-Hartman , Al Cooper , Doug Berger , linux-ide@vger.kernel.org (open list:LIBATA SUBSYSTEM (Serial and Parallel ATA drivers)), linux-kernel@vger.kernel.org (open list), linux-gpio@vger.kernel.org (open list:GPIO SUBSYSTEM), linux-arm-kernel@lists.infradead.org (moderated list:BROADCOM BCM7XXX ARM ARCHITECTURE), linux-mmc@vger.kernel.org (open list:MULTIMEDIA CARD (MMC), SECURE DIGITAL (SD) AND...), linux-pwm@vger.kernel.org (open list:PWM SUBSYSTEM), linux-crypto@vger.kernel.org (open list:HARDWARE RANDOM NUMBER GENERATOR CORE), linux-rtc@vger.kernel.org (open list:REAL TIME CLOCK (RTC) SUBSYSTEM), linux-pm@vger.kernel.org (open list:THERMAL), linux-usb@vger.kernel.org (open list:USB SUBSYSTEM) Subject: [PATCH 05/14] dt-bindings: gpio: Convert Broadcom STB GPIO to YAML Date: Wed, 1 Dec 2021 12:51:01 -0800 Message-Id: <20211201205110.41656-6-f.fainelli@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211201205110.41656-1-f.fainelli@gmail.com> References: <20211201205110.41656-1-f.fainelli@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Convert the Broadcom STB GPIO Device Tree binding to YAML to help with validation. Signed-off-by: Florian Fainelli --- .../bindings/gpio/brcm,brcmstb-gpio.txt | 83 -------------- .../bindings/gpio/brcm,brcmstb-gpio.yaml | 104 ++++++++++++++++++ MAINTAINERS | 2 +- 3 files changed, 105 insertions(+), 84 deletions(-) delete mode 100644 Documentation/devicetree/bindings/gpio/brcm,brcmstb-gpio.txt create mode 100644 Documentation/devicetree/bindings/gpio/brcm,brcmstb-gpio.yaml diff --git a/Documentation/devicetree/bindings/gpio/brcm,brcmstb-gpio.txt b/Documentation/devicetree/bindings/gpio/brcm,brcmstb-gpio.txt deleted file mode 100644 index 5d468ecd1809..000000000000 --- a/Documentation/devicetree/bindings/gpio/brcm,brcmstb-gpio.txt +++ /dev/null @@ -1,83 +0,0 @@ -Broadcom STB "UPG GIO" GPIO controller - -The controller's registers are organized as sets of eight 32-bit -registers with each set controlling a bank of up to 32 pins. A single -interrupt is shared for all of the banks handled by the controller. - -Required properties: - -- compatible: - Must be "brcm,brcmstb-gpio" - -- reg: - Define the base and range of the I/O address space containing - the brcmstb GPIO controller registers - -- #gpio-cells: - Should be <2>. The first cell is the pin number (within the controller's - pin space), and the second is used for the following: - bit[0]: polarity (0 for active-high, 1 for active-low) - -- gpio-controller: - Specifies that the node is a GPIO controller. - -- brcm,gpio-bank-widths: - Number of GPIO lines for each bank. Number of elements must - correspond to number of banks suggested by the 'reg' property. - -Optional properties: - -- interrupts: - The interrupt shared by all GPIO lines for this controller. - -- interrupts-extended: - Alternate form of specifying interrupts and parents that allows for - multiple parents. This takes precedence over 'interrupts' and - 'interrupt-parent'. Wakeup-capable GPIO controllers often route their - wakeup interrupt lines through a different interrupt controller than the - primary interrupt line, making this property necessary. - -- #interrupt-cells: - Should be <2>. The first cell is the GPIO number, the second should specify - flags. The following subset of flags is supported: - - bits[3:0] trigger type and level flags - 1 = low-to-high edge triggered - 2 = high-to-low edge triggered - 4 = active high level-sensitive - 8 = active low level-sensitive - Valid combinations are 1, 2, 3, 4, 8. - See also Documentation/devicetree/bindings/interrupt-controller/interrupts.txt - -- interrupt-controller: - Marks the device node as an interrupt controller - -- wakeup-source: - GPIOs for this controller can be used as a wakeup source - -Example: - upg_gio: gpio@f040a700 { - #gpio-cells = <2>; - #interrupt-cells = <2>; - compatible = "brcm,bcm7445-gpio", "brcm,brcmstb-gpio"; - gpio-controller; - interrupt-controller; - reg = <0xf040a700 0x80>; - interrupt-parent = <&irq0_intc>; - interrupts = <0x6>; - brcm,gpio-bank-widths = <32 32 32 24>; - }; - - upg_gio_aon: gpio@f04172c0 { - #gpio-cells = <2>; - #interrupt-cells = <2>; - compatible = "brcm,bcm7445-gpio", "brcm,brcmstb-gpio"; - gpio-controller; - interrupt-controller; - reg = <0xf04172c0 0x40>; - interrupt-parent = <&irq0_aon_intc>; - interrupts = <0x6>; - interrupts-extended = <&irq0_aon_intc 0x6>, - <&aon_pm_l2_intc 0x5>; - wakeup-source; - brcm,gpio-bank-widths = <18 4>; - }; diff --git a/Documentation/devicetree/bindings/gpio/brcm,brcmstb-gpio.yaml b/Documentation/devicetree/bindings/gpio/brcm,brcmstb-gpio.yaml new file mode 100644 index 000000000000..4b7309dc74dc --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/brcm,brcmstb-gpio.yaml @@ -0,0 +1,104 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpio/brcm,brcmstb-gpio.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Broadcom STB "UPG GIO" GPIO controller + +description: > + The controller's registers are organized as sets of eight 32-bit + registers with each set controlling a bank of up to 32 pins. A single + interrupt is shared for all of the banks handled by the controller. + +maintainers: + - Doug Berger + - Florian Fainelli + +properties: + compatible: + oneOf: + - items: + - enum: + - brcm,bcm7445-gpio + - const: brcm,brcmstb-gpio + + reg: + maxItems: 1 + description: + Define the base and range of the I/O address space containing + the brcmstb GPIO controller registers + + "#gpio-cells": + const: 2 + description: > + The first cell is the pin number (within the controller's + pin space), and the second is used for the following: + bit[0]: polarity (0 for active-high, 1 for active-low) + + gpio-controller: true + + "brcm,gpio-bank-widths": + $ref: /schemas/types.yaml#/definitions/uint32-array + description: + Number of GPIO lines for each bank. Number of elements must + correspond to number of banks suggested by the 'reg' property. + + interrupts: + maxItems: 1 + description: + The interrupt shared by all GPIO lines for this controller. + + "#interrupt-cells": + const: 2 + description: > + The first cell is the GPIO number, the second should specify + flags. The following subset of flags is supported: + - bits[3:0] trigger type and level flags + 1 = low-to-high edge triggered + 2 = high-to-low edge triggered + 4 = active high level-sensitive + 8 = active low level-sensitive + Valid combinations are 1, 2, 3, 4, 8. + + interrupt-controller: true + + wakeup-source: + type: boolean + description: > + GPIOs for this controller can be used as a wakeup source + +required: + - compatible + - reg + - gpio-controller + - "#gpio-cells" + +additionalProperties: false + +examples: + - | + upg_gio: gpio@f040a700 { + #gpio-cells = <2>; + #interrupt-cells = <2>; + compatible = "brcm,bcm7445-gpio", "brcm,brcmstb-gpio"; + gpio-controller; + interrupt-controller; + reg = <0xf040a700 0x80>; + interrupt-parent = <&irq0_intc>; + interrupts = <0x6>; + brcm,gpio-bank-widths = <32 32 32 24>; + }; + + upg_gio_aon: gpio@f04172c0 { + #gpio-cells = <2>; + #interrupt-cells = <2>; + compatible = "brcm,bcm7445-gpio", "brcm,brcmstb-gpio"; + gpio-controller; + interrupt-controller; + reg = <0xf04172c0 0x40>; + interrupt-parent = <&irq0_aon_intc>; + interrupts = <0x6>; + wakeup-source; + brcm,gpio-bank-widths = <18 4>; + }; diff --git a/MAINTAINERS b/MAINTAINERS index 913856599623..78161abc384f 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -3772,7 +3772,7 @@ BROADCOM BRCMSTB GPIO DRIVER M: Gregory Fong L: bcm-kernel-feedback-list@broadcom.com S: Supported -F: Documentation/devicetree/bindings/gpio/brcm,brcmstb-gpio.txt +F: Documentation/devicetree/bindings/gpio/brcm,brcmstb-gpio.yaml F: drivers/gpio/gpio-brcmstb.c BROADCOM BRCMSTB I2C DRIVER