From patchwork Sat Jan 18 23:08:46 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Johan Jonker X-Patchwork-Id: 205570 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=-14.6 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, MENTIONS_GIT_HOSTING, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, 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 958ABC32771 for ; Sat, 18 Jan 2020 23:09:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 61AC0246AE for ; Sat, 18 Jan 2020 23:09:07 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="bFfAmddp" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727085AbgARXI7 (ORCPT ); Sat, 18 Jan 2020 18:08:59 -0500 Received: from mail-wr1-f67.google.com ([209.85.221.67]:43851 "EHLO mail-wr1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727008AbgARXI7 (ORCPT ); Sat, 18 Jan 2020 18:08:59 -0500 Received: by mail-wr1-f67.google.com with SMTP id d16so25992720wre.10; Sat, 18 Jan 2020 15:08:56 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id; bh=/7sxTqjZCkO1+izE93WxaKQIqwebuSWznq6LSlew3V4=; b=bFfAmddpTXdQL58wGVtprmdYN7UJbdYoI80bH3YGHSuel7rCbcPuUKrVtHisTa8JaE vuPz0KcIGT7vWAufPyr/BVYDnke5Yhcol1QkRREVs4z4/AuQ4HkxR8ach7FwYGyZKDhE v9Unl6O0qrqHFi3A/Y7rU6WdjExxMeHmFDuejPH0Tzyj/gVMXcXAkZfpYPsQDNL20H9Z 36Ywyti8cUEN3P9S+IGAe1iuTTW4PRRAh1bWzeLRo8t8lKc8O7mtcyOM99YTLsqnmD98 6JQ/eLAzlp4sa7eZNUGytOznmrfTDiAqkfADPRFN8OD3T8RfUwytV3mhhyJxcN0W1XBb yNZw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=/7sxTqjZCkO1+izE93WxaKQIqwebuSWznq6LSlew3V4=; b=dzujL6saGht3lF70JbOZpKYNLiP688T81HI8FSoKqBlsoswoWY/0drMzZrwWWifTIO qkALCVMvLdFHBt+4khRa7thPItegxdeL75Pn0IqqEaHt9gIMl2NGIOpoAvVd6mP6dlwt 8MuxJcqfMFnG77mf4fIo4NhijtU07mLH5qsJNS4MbyGgBg0/pOzTSTiX57TEACrxv8Fn 1WVNISzECzuQFq8J4rKgmUDq3KPirNW7m+4YQxpbb2LUCxtss9EUolNAJXFldNFPSdlo KOqElyoU3VO1mAD5oWa6difwj8nXVZmqpD0gJZTZDPJGl+JYH3hYrC5R5vXK47N5F3pi k3RQ== X-Gm-Message-State: APjAAAXiSZ5RF+zEPPYuXpFM45fkagwinghfrN1YKe48G+l0Uz2cLcLd bAwMotrClfght8/htyK23nI= X-Google-Smtp-Source: APXvYqyVTIJSRWdyYmqNjjb05u7TYMdUPm21ss/A8g3R8wk1BcRGm2ge73Z7W+NkQjKt1izswj4Q+g== X-Received: by 2002:a5d:6708:: with SMTP id o8mr10743770wru.296.1579388935501; Sat, 18 Jan 2020 15:08:55 -0800 (PST) Received: from debian.home (ip51ccf9cd.speed.planet.nl. [81.204.249.205]) by smtp.gmail.com with ESMTPSA id x16sm5746408wmk.35.2020.01.18.15.08.54 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 18 Jan 2020 15:08:55 -0800 (PST) From: Johan Jonker To: broonie@kernel.org Cc: robh+dt@kernel.org, mark.rutland@arm.com, heiko@sntech.de, linux-spi@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [RFC PATCH v1 1/3] dt-bindings: spi: convert rockchip spi bindings to yaml Date: Sun, 19 Jan 2020 00:08:46 +0100 Message-Id: <20200118230848.15326-1-jbx6244@gmail.com> X-Mailer: git-send-email 2.11.0 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Current dts files with 'spi' nodes are manually verified. In order to automate this process spi-rockchip.txt has to be converted to yaml. In the new setup spi-rockchip.yaml will inherit properties from spi-controller.yaml. Add document to MAINTAINERS. Also rk3188.dtsi, rk3288.dtsi, rk3368.dtsi and rk3399.dtsi use an extra fallback string, so change this in the documentation. Changed: "rockchip,rk3188-spi", "rockchip,rk3066-spi" "rockchip,rk3288-spi", "rockchip,rk3066-spi" "rockchip,rk3368-spi", "rockchip,rk3066-spi" "rockchip,rk3399-spi", "rockchip,rk3066-spi" Signed-off-by: Johan Jonker --- .../devicetree/bindings/spi/spi-rockchip.txt | 58 ----------- .../devicetree/bindings/spi/spi-rockchip.yaml | 111 +++++++++++++++++++++ MAINTAINERS | 1 + 3 files changed, 112 insertions(+), 58 deletions(-) delete mode 100644 Documentation/devicetree/bindings/spi/spi-rockchip.txt create mode 100644 Documentation/devicetree/bindings/spi/spi-rockchip.yaml diff --git a/Documentation/devicetree/bindings/spi/spi-rockchip.txt b/Documentation/devicetree/bindings/spi/spi-rockchip.txt deleted file mode 100644 index a0edac12d..000000000 --- a/Documentation/devicetree/bindings/spi/spi-rockchip.txt +++ /dev/null @@ -1,58 +0,0 @@ -* Rockchip SPI Controller - -The Rockchip SPI controller is used to interface with various devices such as flash -and display controllers using the SPI communication interface. - -Required Properties: - -- compatible: should be one of the following. - "rockchip,rv1108-spi" for rv1108 SoCs. - "rockchip,px30-spi", "rockchip,rk3066-spi" for px30 SoCs. - "rockchip,rk3036-spi" for rk3036 SoCS. - "rockchip,rk3066-spi" for rk3066 SoCs. - "rockchip,rk3188-spi" for rk3188 SoCs. - "rockchip,rk3228-spi" for rk3228 SoCS. - "rockchip,rk3288-spi" for rk3288 SoCs. - "rockchip,rk3368-spi" for rk3368 SoCs. - "rockchip,rk3399-spi" for rk3399 SoCs. -- reg: physical base address of the controller and length of memory mapped - region. -- interrupts: The interrupt number to the cpu. The interrupt specifier format - depends on the interrupt controller. -- clocks: Must contain an entry for each entry in clock-names. -- clock-names: Shall be "spiclk" for the transfer-clock, and "apb_pclk" for - the peripheral clock. -- #address-cells: should be 1. -- #size-cells: should be 0. - -Optional Properties: - -- dmas: DMA specifiers for tx and rx dma. See the DMA client binding, - Documentation/devicetree/bindings/dma/dma.txt -- dma-names: DMA request names should include "tx" and "rx" if present. -- rx-sample-delay-ns: nanoseconds to delay after the SCLK edge before sampling - Rx data (may need to be fine tuned for high capacitance lines). - No delay (0) by default. -- pinctrl-names: Names for the pin configuration(s); may be "default" or - "sleep", where the "sleep" configuration may describe the state - the pins should be in during system suspend. See also - pinctrl/pinctrl-bindings.txt. - - -Example: - - spi0: spi@ff110000 { - compatible = "rockchip,rk3066-spi"; - reg = <0xff110000 0x1000>; - dmas = <&pdma1 11>, <&pdma1 12>; - dma-names = "tx", "rx"; - rx-sample-delay-ns = <10>; - #address-cells = <1>; - #size-cells = <0>; - interrupts = ; - clocks = <&cru SCLK_SPI0>, <&cru PCLK_SPI0>; - clock-names = "spiclk", "apb_pclk"; - pinctrl-0 = <&spi1_pins>; - pinctrl-1 = <&spi1_sleep>; - pinctrl-names = "default", "sleep"; - }; diff --git a/Documentation/devicetree/bindings/spi/spi-rockchip.yaml b/Documentation/devicetree/bindings/spi/spi-rockchip.yaml new file mode 100644 index 000000000..80c56c583 --- /dev/null +++ b/Documentation/devicetree/bindings/spi/spi-rockchip.yaml @@ -0,0 +1,111 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/spi/spi-rockchip.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Rockchip SPI Controller + +description: + The Rockchip SPI controller is used to interface with various devices such + as flash and display controllers using the SPI communication interface. + +allOf: + - $ref: "spi-controller.yaml#" + +maintainers: + - Heiko Stuebner + +# Everything else is described in the common file +properties: + compatible: + oneOf: + - const: rockchip,rk3036-spi #for rk3036 SoCS. + - const: rockchip,rk3066-spi #for rk3066 SoCs. + - const: rockchip,rk3228-spi #for rk3228 SoCS. + - const: rockchip,rv1108-spi #for rv1108 SoCs. + - items: + - enum: + - rockchip,px30-spi #for px30 SoCs. + - rockchip,rk3188-spi #for rk3188 SoCs. + - rockchip,rk3288-spi #for rk3288 SoCs. + - rockchip,rk3368-spi #for rk3368 SoCs. + - rockchip,rk3399-spi #for rk3399 SoCs. + - const: rockchip,rk3066-spi + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + minItems: 2 + maxItems: 2 + description: + Must contain an entry for each entry in clock-names. + + clock-names: + items: + - const: spiclk + - const: apb_pclk + description: + Shall be "spiclk" for the transfer-clock + and "apb_pclk" for the peripheral clock. + + dmas: + items: + - description: TX DMA Channel + - description: RX DMA Channel + + dma-names: + items: + - const: tx + - const: rx + + rx-sample-delay-ns: + allOf: + - $ref: /schemas/types.yaml#/definitions/uint32 + default: 0 + description: + Nano seconds to delay after the SCLK edge before sampling Rx data + (may need to be fine tuned for high capacitance lines). + If not specified 0 will be used. + + pinctrl-names: + minItems: 1 + items: + - const: default + - const: sleep + description: + Names for the pin configuration(s); may be "default" or "sleep", + where the "sleep" configuration may describe the state + the pins should be in during system suspend. + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + +examples: + - | + #include + #include + #include + spi0: spi@ff110000 { + compatible = "rockchip,rk3066-spi"; + reg = <0xff110000 0x1000>; + interrupts = ; + clocks = <&cru SCLK_SPI0>, <&cru PCLK_SPI0>; + clock-names = "spiclk", "apb_pclk"; + dmas = <&pdma1 11>, <&pdma1 12>; + dma-names = "tx", "rx"; + pinctrl-0 = <&spi1_pins>; + pinctrl-1 = <&spi1_sleep>; + pinctrl-names = "default", "sleep"; + rx-sample-delay-ns = <10>; + #address-cells = <1>; + #size-cells = <0>; + }; diff --git a/MAINTAINERS b/MAINTAINERS index d6ad01d71..096c324f9 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2240,6 +2240,7 @@ L: linux-rockchip@lists.infradead.org T: git git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip.git S: Maintained F: Documentation/devicetree/bindings/i2c/i2c-rk3x.txt +F: Documentation/devicetree/bindings/spi/spi-rockchip.yaml F: arch/arm/boot/dts/rk3* F: arch/arm/boot/dts/rv1108* F: arch/arm/mach-rockchip/