From patchwork Mon Mar 1 10:04:06 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kuldeep Singh X-Patchwork-Id: 388989 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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,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 6C051C4332B for ; Mon, 1 Mar 2021 10:06:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4122364E5C for ; Mon, 1 Mar 2021 10:06:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231645AbhCAKGm (ORCPT ); Mon, 1 Mar 2021 05:06:42 -0500 Received: from inva021.nxp.com ([92.121.34.21]:51106 "EHLO inva021.nxp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232039AbhCAKGK (ORCPT ); Mon, 1 Mar 2021 05:06:10 -0500 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id D1ED4200441; Mon, 1 Mar 2021 11:04:27 +0100 (CET) Received: from invc005.ap-rdc01.nxp.com (invc005.ap-rdc01.nxp.com [165.114.16.14]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id AF476200427; Mon, 1 Mar 2021 11:04:23 +0100 (CET) Received: from lsv03124.swis.in-blr01.nxp.com (lsv03124.swis.in-blr01.nxp.com [92.120.146.121]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id CE1CC40291; Mon, 1 Mar 2021 11:04:18 +0100 (CET) From: Kuldeep Singh To: linux-spi@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Mark Brown , Rob Herring , Ashish Kumar , Kuldeep Singh Subject: [PATCH] dt-bindings: spi: Convert NXP flexspi to json schema Date: Mon, 1 Mar 2021 15:34:06 +0530 Message-Id: <1614593046-23832-1-git-send-email-kuldeep.singh@nxp.com> X-Mailer: git-send-email 2.7.4 X-Virus-Scanned: ClamAV using ClamSMTP Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org Convert the NXP FlexSPI binding to DT schema format using json-schema. Also, update MAINTAINERS to reflect the change. Signed-off-by: Kuldeep Singh --- .../bindings/spi/nxp,spi-nxp-fspi.yaml | 101 ++++++++++++++++++ .../devicetree/bindings/spi/spi-nxp-fspi.txt | 42 -------- MAINTAINERS | 2 +- 3 files changed, 102 insertions(+), 43 deletions(-) create mode 100644 Documentation/devicetree/bindings/spi/nxp,spi-nxp-fspi.yaml delete mode 100644 Documentation/devicetree/bindings/spi/spi-nxp-fspi.txt diff --git a/Documentation/devicetree/bindings/spi/nxp,spi-nxp-fspi.yaml b/Documentation/devicetree/bindings/spi/nxp,spi-nxp-fspi.yaml new file mode 100644 index 000000000000..56598b87ba15 --- /dev/null +++ b/Documentation/devicetree/bindings/spi/nxp,spi-nxp-fspi.yaml @@ -0,0 +1,101 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/spi/nxp,spi-nxp-fspi.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NXP Flex Serial Peripheral Interface (FSPI) + +maintainers: + - Ashish Kumar + +allOf: + - $ref: "/schemas/spi/spi-controller.yaml#" + +properties: + compatible: + enum: + - nxp,lx2160a-fspi + - nxp,imx8qxp-fspi + - nxp,imx8mm-fspi + - nxp,imx8dxl-fspi + + reg: + items: + - description: registers + - description: memory mapping + + reg-names: + items: + - const: fspi_base + - const: fspi_mmap + + interrupts: + maxItems: 1 + + clocks: + maxItems: 2 + items: + - description: SoC SPI fspi_en clock + - description: SoC SPI fspi clock + + clock-names: + items: + - const: fspi_en + - const: fspi + +required: + - compatible + - reg + - reg-names + - interrupts + - clocks + - clock-names + +unevaluatedProperties: false + +examples: + - | + #include + + spi@20c0000 { + compatible = "nxp,lx2160a-fspi"; + reg = <0x0 0x20c0000 0x0 0x100000>, <0x0 0x20000000 0x0 0x10000>; + reg-names = "fspi_base", "fspi_mmap"; + interrupts = ; + clocks = <&clockgen QORIQ_CLK_PLATFORM_PLL QORIQ_CLK_PLL_DIV(4)>, + <&clockgen QORIQ_CLK_PLATFORM_PLL QORIQ_CLK_PLL_DIV(4)>, + clock-names = "fspi_en", "fspi"; + #address-cells = <1>; + #size-cells = <1>; + + flash@0 { + compatible = "jedec,spi-nor"; + spi-max-frequency = <50000000>; + reg = <0>; + spi-rx-bus-width = <8>; + spi-tx-bus-width = <8>; + }; + }; + + - | + #include + #include + + spi@30bb0000 { + compatible = "nxp,imx8mm-fspi"; + reg = <0x30bb0000 0x10000>, <0x8000000 0x10000000>; + reg-names = "fspi_base", "fspi_mmap"; + interrupts = ; + clocks = <&clk IMX8MM_CLK_QSPI_ROOT>, + <&clk IMX8MM_CLK_QSPI_ROOT>; + clock-names = "fspi", "fspi_en"; + + flash@0 { + compatible = "jedec,spi-nor"; + spi-max-frequency = <80000000>; + reg = <0>; + spi-rx-bus-width = <4>; + spi-tx-bus-width = <4>; + }; + }; diff --git a/Documentation/devicetree/bindings/spi/spi-nxp-fspi.txt b/Documentation/devicetree/bindings/spi/spi-nxp-fspi.txt deleted file mode 100644 index 7ac60d9fe357..000000000000 --- a/Documentation/devicetree/bindings/spi/spi-nxp-fspi.txt +++ /dev/null @@ -1,42 +0,0 @@ -* NXP Flex Serial Peripheral Interface (FSPI) - -Required properties: - - compatible : Should be "nxp,lx2160a-fspi" - "nxp,imx8qxp-fspi" - "nxp,imx8mm-fspi" - - - reg : First contains the register location and length, - Second contains the memory mapping address and length - - reg-names : Should contain the resource reg names: - - fspi_base: configuration register address space - - fspi_mmap: memory mapped address space - - interrupts : Should contain the interrupt for the device - -Required SPI slave node properties: - - reg : There are two buses (A and B) with two chip selects each. - This encodes to which bus and CS the flash is connected: - - <0>: Bus A, CS 0 - - <1>: Bus A, CS 1 - - <2>: Bus B, CS 0 - - <3>: Bus B, CS 1 - -Example showing the usage of two SPI NOR slave devices on bus A: - -fspi0: spi@20c0000 { - compatible = "nxp,lx2160a-fspi"; - reg = <0x0 0x20c0000 0x0 0x10000>, <0x0 0x20000000 0x0 0x10000000>; - reg-names = "fspi_base", "fspi_mmap"; - interrupts = <0 25 0x4>; /* Level high type */ - clocks = <&clockgen 4 3>, <&clockgen 4 3>; - clock-names = "fspi_en", "fspi"; - - mt35xu512aba0: flash@0 { - reg = <0>; - .... - }; - - mt35xu512aba1: flash@1 { - reg = <1>; - .... - }; -}; diff --git a/MAINTAINERS b/MAINTAINERS index f9d462c8f4d6..9179722cff2e 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -12731,7 +12731,7 @@ M: Ashish Kumar R: Yogesh Gaur L: linux-spi@vger.kernel.org S: Maintained -F: Documentation/devicetree/bindings/spi/spi-nxp-fspi.txt +F: Documentation/devicetree/bindings/spi/nxp,spi-nxp-fspi.yaml F: drivers/spi/spi-nxp-fspi.c NXP FXAS21002C DRIVER