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Tue, 9 Mar 2021 10:35:52 +0000 From: Kuldeep Singh To: Rob Herring , linux-spi@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Ashish Kumar , Kuldeep Singh Subject: [PATCH] dt-bindings: spi: Convert NXP flexspi to json schema Date: Tue, 9 Mar 2021 16:05:28 +0530 Message-Id: <20210309103528.3538910-1-kuldeep.singh@nxp.com> X-Mailer: git-send-email 2.25.1 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-Originating-IP: [14.142.151.118] X-ClientProxiedBy: HK2PR02CA0201.apcprd02.prod.outlook.com (2603:1096:201:20::13) To DB6PR0402MB2758.eurprd04.prod.outlook.com (2603:10a6:4:96::7) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from lsv03378.swis.in-blr01.nxp.com (14.142.151.118) by HK2PR02CA0201.apcprd02.prod.outlook.com (2603:1096:201:20::13) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3912.17 via Frontend Transport; Tue, 9 Mar 2021 10:35:50 +0000 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: e16f3fe5-1ca1-4c81-fc82-08d8e2e71d00 X-MS-TrafficTypeDiagnostic: DB8PR04MB6860: X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:5516; 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Signed-off-by: Kuldeep Singh --- .../bindings/spi/nxp,spi-nxp-fspi.yaml | 85 +++++++++++++++++++ .../devicetree/bindings/spi/spi-nxp-fspi.txt | 43 ---------- MAINTAINERS | 2 +- 3 files changed, 86 insertions(+), 44 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..e3f2c5aae847 --- /dev/null +++ b/Documentation/devicetree/bindings/spi/nxp,spi-nxp-fspi.yaml @@ -0,0 +1,85 @@ +# 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: "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: + 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 + #include + + soc { + #address-cells = <2>; + #size-cells = <2>; + + spi@20c0000 { + compatible = "nxp,lx2160a-fspi"; + reg = <0x0 0x20c0000 0x0 0x100000>, + <0x0 0x20000000 0x0 0x10000000>; + 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 = <0>; + + flash@0 { + compatible = "jedec,spi-nor"; + spi-max-frequency = <50000000>; + reg = <0>; + spi-rx-bus-width = <8>; + spi-tx-bus-width = <8>; + }; + }; + }; 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 df178d1b62e6..000000000000 --- a/Documentation/devicetree/bindings/spi/spi-nxp-fspi.txt +++ /dev/null @@ -1,43 +0,0 @@ -* NXP Flex Serial Peripheral Interface (FSPI) - -Required properties: - - compatible : Should be "nxp,lx2160a-fspi" - "nxp,imx8qxp-fspi" - "nxp,imx8mm-fspi" - "nxp,imx8dxl-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 d92f85ca831d..8729f7b50945 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -12832,7 +12832,7 @@ 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 -- 2.25.1