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 X-Spam-Level: X-Spam-Status: No, score=-8.3 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 47207C18E5B for ; Mon, 16 Mar 2020 09:43:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1D9CF2071C for ; Mon, 16 Mar 2020 09:43:04 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="FN5EHE4X" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730293AbgCPJnD (ORCPT ); Mon, 16 Mar 2020 05:43:03 -0400 Received: from mail-wm1-f68.google.com ([209.85.128.68]:35401 "EHLO mail-wm1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730088AbgCPJnD (ORCPT ); Mon, 16 Mar 2020 05:43:03 -0400 Received: by mail-wm1-f68.google.com with SMTP id m3so17193124wmi.0; Mon, 16 Mar 2020 02:42:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=subject:to:cc:references:from:autocrypt:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=fz8EN64pj84JLJF6IiW4kTKA37f7PztgaV9fgn5vMk8=; b=FN5EHE4XPhdQAP09ZkKtWFdSWVN4YruepvXwZ538DMiJdncBMDG2uYIrVmI1Q10N6t DvsbjF+3h11kNvuwuXiyq6160CHGVGVKuaoKHKfG/rXlxPUy6Q6Eprp2JIFf7Q9kBlry lZODF9m9PENaxqBlK5bISc5NCTTRSjFRKXu0WupUadhYNhqfNwc56AYvEM07zKNBVzUm cyuHqKJHT/cxZTUUrJQgQ+4NJHPWuMYa5ucJT1Tyz1tQNHw5qHfaBnMIRg1L1r5jnAqj uDv/VtoC/v7uFKqGNCPBWX+Eb/vtUflXBhVGRmzEFhy+b0MG23c0CN2b6ZMwsqJTWTMJ P+Kg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:autocrypt :message-id:date:user-agent:mime-version:in-reply-to :content-language:content-transfer-encoding; bh=fz8EN64pj84JLJF6IiW4kTKA37f7PztgaV9fgn5vMk8=; b=Le40gDhPx2Rcv3R7hBfIGKumV1aPZ2WMpy9crwSHCR9BonstSwP69ZUPW0fSEkTB5S 6o3bFUceZmssamjvBuwmiBTreQlzhYabs8P/as6C9lLf1CdUbQytqmOzKCr8BKd96MHH 1YT0Lbh1zbn9Enb+oMJIHhjJN4PiUThEovNg9sKfYVHPQ6Q4DcSZdTUevRVFZXkKQ1OO 1wHUTO9EXUMDs/WCrWB3l8wYZFV/fFMOXTk3GkfCaK87xnbk/ub8mUziAMLZIrP2Ow29 wo5Himmo//mTYnQm8MLwEOm5P38Oo1uxbghunxZ9qXAyX+8VdE4Yn3Z4h7cfiBeQOjCM 4fvQ== X-Gm-Message-State: ANhLgQ3Ya4vjMMR0QooVUgG5izAI2lfWcnNOOy6iabHf3MJQu+Sz+eiW /5rSicxAlfVmuEHfURUYpGbMiKQucIU= X-Google-Smtp-Source: ADFU+vtMsCCW6lv1Tr+mg9+KZSXDjzh9lg49uId11NtK1TwWwH6m9jLcrrTxxCX7+SsdTEoUV1WYEw== X-Received: by 2002:a05:600c:2:: with SMTP id g2mr26307927wmc.18.1584351777192; Mon, 16 Mar 2020 02:42:57 -0700 (PDT) Received: from ziggy.stardust ([213.195.113.243]) by smtp.gmail.com with ESMTPSA id a73sm13273756wme.47.2020.03.16.02.42.56 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 16 Mar 2020 02:42:56 -0700 (PDT) Subject: Re: [PATCH v2 2/2] dt-bindings: serial: Convert slave-device bindings to json-schema To: Geert Uytterhoeven , Rob Herring , Greg Kroah-Hartman Cc: Johan Hovold , "David S . Miller" , Sean Wang , Shawn Guo , Sascha Hauer , devicetree@vger.kernel.org, linux-serial@vger.kernel.org, linux-renesas-soc@vger.kernel.org References: <20200306090046.8890-1-geert+renesas@glider.be> <20200306090046.8890-3-geert+renesas@glider.be> From: Matthias Brugger Autocrypt: addr=matthias.bgg@gmail.com; prefer-encrypt=mutual; keydata= mQINBFP1zgUBEAC21D6hk7//0kOmsUrE3eZ55kjc9DmFPKIz6l4NggqwQjBNRHIMh04BbCMY fL3eT7ZsYV5nur7zctmJ+vbszoOASXUpfq8M+S5hU2w7sBaVk5rpH9yW8CUWz2+ZpQXPJcFa OhLZuSKB1F5JcvLbETRjNzNU7B3TdS2+zkgQQdEyt7Ij2HXGLJ2w+yG2GuR9/iyCJRf10Okq gTh//XESJZ8S6KlOWbLXRE+yfkKDXQx2Jr1XuVvM3zPqH5FMg8reRVFsQ+vI0b+OlyekT/Xe 0Hwvqkev95GG6x7yseJwI+2ydDH6M5O7fPKFW5mzAdDE2g/K9B4e2tYK6/rA7Fq4cqiAw1+u EgO44+eFgv082xtBez5WNkGn18vtw0LW3ESmKh19u6kEGoi0WZwslCNaGFrS4M7OH+aOJeqK fx5dIv2CEbxc6xnHY7dwkcHikTA4QdbdFeUSuj4YhIZ+0QlDVtS1QEXyvZbZky7ur9rHkZvP ZqlUsLJ2nOqsmahMTIQ8Mgx9SLEShWqD4kOF4zNfPJsgEMB49KbS2o9jxbGB+JKupjNddfxZ HlH1KF8QwCMZEYaTNogrVazuEJzx6JdRpR3sFda/0x5qjTadwIW6Cl9tkqe2h391dOGX1eOA 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deSyJotkrpzZZkbSs5ygBniCUGQqXpWqgrc7Uo/qtxOFL91uOsdX1/vsnJO9FyUv3ZNI2Thw NVGCTvCP9E6u4gSSuxEfVyVThCSPvRJHCG2rC+EMAOUMpxokcX9M2b7bBEbcSjeP/E4KTa39 q+JJSeWliaghUfMXXdimT/uxpP5Aa2/D/vcUUGHLelf9TyihHyBohdyNzeEF3v9rq7kdqamZ Ihb+WYrDio/SzqTd1g+wnPJbnu45zkoQrYtBu58n7u8oo+pUummOuTR2b6dcsiB9zJaiVRIg OqL8p3K2fnE8Ewwn6IKHnLTyx5T/r2Z0ikyOeijDumZ0VOPPLTnwmb780Nym3LW1OUMieKtn I3v5GzZyS83NontvsiRd4oPGQDRBT39jAyBr8vDRl/3RpLKuwWBFTs1bYMLu0sYarwowOz8+ Mn+CRFUvRrXxociw5n0P1PgJ7vQey4muCZ4VynH1SeVb3KZ59zcQHksKtpzz2OKhtX8FCeVO mHW9u4x8s/oUVMZCXEq9QrmVhdIvJnBCqq+1bh5UC2Rfjm/vLHwt5hes0HDstbCzLyiA0LTI ADdP77RN2OJbzBkCuWE21YCTLtc8kTQlP+G8m23K5w8k2jleCSKumprCr/5qPyNlkie1HC4E GEAfdfN+uLsFw6qPzSAsmukAEQEAAYkEbAQYAQgAIBYhBOa5khjA8sMlHCw6F9kUC7JWEwLx BQJd1TkHAhsCAkAJENkUC7JWEwLxwXQgBBkBCAAdFiEEUdvKHhzqrUYPB/u8L21+TfbCqH4F Al3VOQcACgkQL21+TfbCqH79RRAAtlb6oAL9y8JM5R1T3v02THFip8OMh7YvEJCnezle9Apq C6Vx26RSQjBV1JwSBv6BpgDBNXarTGCPXcre6KGfX8u1r6hnXAHZNHP7bFGJQiBv5RqGFf45 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jtbEXDoWhVtwZMShMvp7ccPCe2c4YBToIthxpDhoDPUdNwOssHNLD8G4JIBexwi4q7IT9lP6 sVstwvA5ABEBAAGJAjYEGAEIACAWIQTmuZIYwPLDJRwsOhfZFAuyVhMC8QUCXdU5SAIbDAAK CRDZFAuyVhMC8bXXD/4xyfbyPGnRYtR0KFlCgkG2XWeWSR2shSiM1PZGRPxR888zA2WBYHAk 7NpJlFchpaErV6WdFrXQjDAd9YwaEHucfS7SAhxIqdIqzV5vNFrMjwhB1N8MfdUJDpgyX7Zu k/Phd5aoZXNwsCRqaD2OwFZXr81zSXwE2UdPmIfTYTjeVsOAI7GZ7akCsRPK64ni0XfoXue2 XUSrUUTRimTkuMHrTYaHY3544a+GduQQLLA+avseLmjvKHxsU4zna0p0Yb4czwoJj+wSkVGQ NMDbxcY26CMPK204jhRm9RG687qq6691hbiuAtWABeAsl1AS+mdS7aP/4uOM4kFCvXYgIHxP /BoVz9CZTMEVAZVzbRKyYCLUf1wLhcHzugTiONz9fWMBLLskKvq7m1tlr61mNgY9nVwwClMU uE7i1H9r/2/UXLd+pY82zcXhFrfmKuCDmOkB5xPsOMVQJH8I0/lbqfLAqfsxSb/X1VKaP243 jzi+DzD9cvj2K6eD5j5kcKJJQactXqfJvF1Eb+OnxlB1BCLE8D1rNkPO5O742Mq3MgDmq19l +abzEL6QDAAxn9md8KwrA3RtucNh87cHlDXfUBKa7SRvBjTczDg+HEPNk2u3hrz1j3l2rliQ y1UfYx7Vk/TrdwUIJgKS8QAr8Lw9WuvY2hSqL9vEjx8VAkPWNWPwrQ== Message-ID: <403644bf-2ffc-fab8-1f5e-8a4b4df3bd23@gmail.com> Date: Mon, 16 Mar 2020 10:42:55 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 MIME-Version: 1.0 In-Reply-To: <20200306090046.8890-3-geert+renesas@glider.be> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On 06/03/2020 10:00, Geert Uytterhoeven wrote: > Convert the serial slave-device Device Tree binding documentation to > json-schema, and incorporate it into the generic serial bindings. > > Signed-off-by: Geert Uytterhoeven Reviewed-by: Matthias Brugger > --- > v2: > - Update references to slave-device.txt, > - Allow any child node names, > - Typo s/connnected/connected/. > --- > .../devicetree/bindings/gnss/gnss.txt | 2 +- > .../bindings/net/broadcom-bluetooth.txt | 2 +- > .../bindings/net/mediatek-bluetooth.txt | 2 +- > .../devicetree/bindings/net/qca,qca7000.txt | 2 +- > .../bindings/net/qualcomm-bluetooth.txt | 2 +- > .../devicetree/bindings/net/ti-bluetooth.txt | 3 +- > .../devicetree/bindings/serial/serial.yaml | 56 +++++++++++++++++++ > .../bindings/serial/slave-device.txt | 45 --------------- > MAINTAINERS | 2 +- > 9 files changed, 63 insertions(+), 53 deletions(-) > delete mode 100644 Documentation/devicetree/bindings/serial/slave-device.txt > > diff --git a/Documentation/devicetree/bindings/gnss/gnss.txt b/Documentation/devicetree/bindings/gnss/gnss.txt > index f547bd4549fe4655..d6dc9c0d82499dd5 100644 > --- a/Documentation/devicetree/bindings/gnss/gnss.txt > +++ b/Documentation/devicetree/bindings/gnss/gnss.txt > @@ -8,7 +8,7 @@ bus (e.g. UART, I2C or SPI). > > Please refer to the following documents for generic properties: > > - Documentation/devicetree/bindings/serial/slave-device.txt > + Documentation/devicetree/bindings/serial/serial.yaml > Documentation/devicetree/bindings/spi/spi-bus.txt > > Required properties: > diff --git a/Documentation/devicetree/bindings/net/broadcom-bluetooth.txt b/Documentation/devicetree/bindings/net/broadcom-bluetooth.txt > index dd258674633ca84e..a7d57ba5f2ac39bd 100644 > --- a/Documentation/devicetree/bindings/net/broadcom-bluetooth.txt > +++ b/Documentation/devicetree/bindings/net/broadcom-bluetooth.txt > @@ -20,7 +20,7 @@ Required properties: > > Optional properties: > > - - max-speed: see Documentation/devicetree/bindings/serial/slave-device.txt > + - max-speed: see Documentation/devicetree/bindings/serial/serial.yaml > - shutdown-gpios: GPIO specifier, used to enable the BT module > - device-wakeup-gpios: GPIO specifier, used to wakeup the controller > - host-wakeup-gpios: GPIO specifier, used to wakeup the host processor. > diff --git a/Documentation/devicetree/bindings/net/mediatek-bluetooth.txt b/Documentation/devicetree/bindings/net/mediatek-bluetooth.txt > index 112011c51d5e3c1e..219bcbd0d34478ba 100644 > --- a/Documentation/devicetree/bindings/net/mediatek-bluetooth.txt > +++ b/Documentation/devicetree/bindings/net/mediatek-bluetooth.txt > @@ -42,7 +42,7 @@ child node of the serial node with UART. > > Please refer to the following documents for generic properties: > > - Documentation/devicetree/bindings/serial/slave-device.txt > + Documentation/devicetree/bindings/serial/serial.yaml > > Required properties: > > diff --git a/Documentation/devicetree/bindings/net/qca,qca7000.txt b/Documentation/devicetree/bindings/net/qca,qca7000.txt > index 21c36e5249936c4c..8f5ae0b84eec2646 100644 > --- a/Documentation/devicetree/bindings/net/qca,qca7000.txt > +++ b/Documentation/devicetree/bindings/net/qca,qca7000.txt > @@ -68,7 +68,7 @@ Required properties: > Optional properties: > - local-mac-address : see ./ethernet.txt > - current-speed : current baud rate of QCA7000 which defaults to 115200 > - if absent, see also ../serial/slave-device.txt > + if absent, see also ../serial/serial.yaml > > UART Example: > > diff --git a/Documentation/devicetree/bindings/net/qualcomm-bluetooth.txt b/Documentation/devicetree/bindings/net/qualcomm-bluetooth.txt > index beca6466d59a9d7d..d2202791c1d4c0c5 100644 > --- a/Documentation/devicetree/bindings/net/qualcomm-bluetooth.txt > +++ b/Documentation/devicetree/bindings/net/qualcomm-bluetooth.txt > @@ -29,7 +29,7 @@ Required properties for compatible string qcom,wcn399x-bt: > > Optional properties for compatible string qcom,wcn399x-bt: > > - - max-speed: see Documentation/devicetree/bindings/serial/slave-device.txt > + - max-speed: see Documentation/devicetree/bindings/serial/serial.yaml > - firmware-name: specify the name of nvm firmware to load > - clocks: clock provided to the controller > > diff --git a/Documentation/devicetree/bindings/net/ti-bluetooth.txt b/Documentation/devicetree/bindings/net/ti-bluetooth.txt > index 6d03ff8c7068135e..f48c17b38f5851de 100644 > --- a/Documentation/devicetree/bindings/net/ti-bluetooth.txt > +++ b/Documentation/devicetree/bindings/net/ti-bluetooth.txt > @@ -15,8 +15,7 @@ standard BT HCI protocol with additional channels for the other functions. > TI WiLink devices also have a separate WiFi interface as described in > wireless/ti,wlcore.txt. > > -This bindings follows the UART slave device binding in > -../serial/slave-device.txt. > +This bindings follows the UART slave device binding in ../serial/serial.yaml. > > Required properties: > - compatible: should be one of the following: > diff --git a/Documentation/devicetree/bindings/serial/serial.yaml b/Documentation/devicetree/bindings/serial/serial.yaml > index ca2ae755b560141c..dd97ecd1a7fe8ddd 100644 > --- a/Documentation/devicetree/bindings/serial/serial.yaml > +++ b/Documentation/devicetree/bindings/serial/serial.yaml > @@ -7,6 +7,7 @@ $schema: "http://devicetree.org/meta-schemas/core.yaml#" > title: Serial Interface Generic DT Bindings > > maintainers: > + - Rob Herring > - Greg Kroah-Hartman > > description: > @@ -69,3 +70,58 @@ then: > properties: > cts-gpios: false > rts-gpios: false > + > +patternProperties: > + ".*": > + if: > + type: object > + then: > + description: > + Serial attached devices shall be a child node of the host UART device > + the slave device is attached to. It is expected that the attached > + device is the only child node of the UART device. The slave device node > + name shall reflect the generic type of device for the node. > + > + properties: > + compatible: > + description: > + Compatible of the device connected to the serial port. > + > + max-speed: > + $ref: /schemas/types.yaml#/definitions/uint32 > + description: > + The maximum baud rate the device operates at. > + This should only be present if the maximum is less than the slave > + device can support. For example, a particular board has some > + signal quality issue or the host processor can't support higher > + baud rates. > + > + current-speed: > + $ref: /schemas/types.yaml#/definitions/uint32 > + description: | > + The current baud rate the device operates at. > + This should only be present in case a driver has no chance to know > + the baud rate of the slave device. > + Examples: > + * device supports auto-baud > + * the rate is setup by a bootloader and there is no way to reset > + the device > + * device baud rate is configured by its firmware but there is no > + way to request the actual settings > + > + required: > + - compatible > + > +examples: > + - | > + serial@1234 { > + compatible = "ns16550a"; > + reg = <0x1234 0x20>; > + interrupts = <1>; > + > + bluetooth { > + compatible = "brcm,bcm43341-bt"; > + interrupt-parent = <&gpio>; > + interrupts = <10>; > + }; > + }; > diff --git a/Documentation/devicetree/bindings/serial/slave-device.txt b/Documentation/devicetree/bindings/serial/slave-device.txt > deleted file mode 100644 > index 40110e0196209fde..0000000000000000 > --- a/Documentation/devicetree/bindings/serial/slave-device.txt > +++ /dev/null > @@ -1,45 +0,0 @@ > -Serial Slave Device DT binding > - > -This documents the binding structure and common properties for serial > -attached devices. Common examples include Bluetooth, WiFi, NFC and GPS > -devices. > - > -Serial attached devices shall be a child node of the host UART device the > -slave device is attached to. It is expected that the attached device is > -the only child node of the UART device. The slave device node name shall > -reflect the generic type of device for the node. > - > -Required Properties: > - > -- compatible : A string reflecting the vendor and specific device the node > - represents. > - > -Optional Properties: > - > -- max-speed : The maximum baud rate the device operates at. This should > - only be present if the maximum is less than the slave device > - can support. For example, a particular board has some signal > - quality issue or the host processor can't support higher > - baud rates. > -- current-speed : The current baud rate the device operates at. This should > - only be present in case a driver has no chance to know > - the baud rate of the slave device. > - Examples: > - * device supports auto-baud > - * the rate is setup by a bootloader and there is no > - way to reset the device > - * device baud rate is configured by its firmware but > - there is no way to request the actual settings > - > -Example: > - > -serial@1234 { > - compatible = "ns16550a"; > - interrupts = <1>; > - > - bluetooth { > - compatible = "brcm,bcm43341-bt"; > - interrupt-parent = <&gpio>; > - interrupts = <10>; > - }; > -}; > diff --git a/MAINTAINERS b/MAINTAINERS > index 59c14ee9a917a794..5f5d074c7b3927a5 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -15034,7 +15034,7 @@ SERIAL DEVICE BUS > M: Rob Herring > L: linux-serial@vger.kernel.org > S: Maintained > -F: Documentation/devicetree/bindings/serial/slave-device.txt > +F: Documentation/devicetree/bindings/serial/serial.yaml > F: drivers/tty/serdev/ > F: include/linux/serdev.h > >