From patchwork Wed Jun 3 06:13:27 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anson Huang X-Patchwork-Id: 11585113 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 8E4B9618 for ; Wed, 3 Jun 2020 06:24:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 80C19206C3 for ; Wed, 3 Jun 2020 06:24:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726023AbgFCGYD (ORCPT ); Wed, 3 Jun 2020 02:24:03 -0400 Received: from inva021.nxp.com ([92.121.34.21]:42952 "EHLO inva021.nxp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725853AbgFCGYB (ORCPT ); Wed, 3 Jun 2020 02:24:01 -0400 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 88C00200089; Wed, 3 Jun 2020 08:23:59 +0200 (CEST) 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 A65AF200D3C; Wed, 3 Jun 2020 08:23:54 +0200 (CEST) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id 60532402B3; Wed, 3 Jun 2020 14:23:48 +0800 (SGT) From: Anson Huang To: broonie@kernel.org, robh+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, marex@denx.de, linux-spi@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Linux-imx@nxp.com Subject: [PATCH 1/3] dt-bindings: spi: Convert mxs spi to json-schema Date: Wed, 3 Jun 2020 14:13:27 +0800 Message-Id: <1591164809-13964-2-git-send-email-Anson.Huang@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1591164809-13964-1-git-send-email-Anson.Huang@nxp.com> References: <1591164809-13964-1-git-send-email-Anson.Huang@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP Sender: linux-spi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org Convert the MXS SPI binding to DT schema format using json-schema Signed-off-by: Anson Huang --- Documentation/devicetree/bindings/spi/mxs-spi.txt | 26 ---------- Documentation/devicetree/bindings/spi/mxs-spi.yaml | 55 ++++++++++++++++++++++ 2 files changed, 55 insertions(+), 26 deletions(-) delete mode 100644 Documentation/devicetree/bindings/spi/mxs-spi.txt create mode 100644 Documentation/devicetree/bindings/spi/mxs-spi.yaml diff --git a/Documentation/devicetree/bindings/spi/mxs-spi.txt b/Documentation/devicetree/bindings/spi/mxs-spi.txt deleted file mode 100644 index 3499b73..0000000 --- a/Documentation/devicetree/bindings/spi/mxs-spi.txt +++ /dev/null @@ -1,26 +0,0 @@ -* Freescale MX233/MX28 SSP/SPI - -Required properties: -- compatible: Should be "fsl,-spi", where soc is "imx23" or "imx28" -- reg: Offset and length of the register set for the device -- interrupts: Should contain SSP ERROR interrupt -- dmas: DMA specifier, consisting of a phandle to DMA controller node - and SSP DMA channel ID. - Refer to dma.txt and fsl-mxs-dma.txt for details. -- dma-names: Must be "rx-tx". - -Optional properties: -- clock-frequency : Input clock frequency to the SPI block in Hz. - Default is 160000000 Hz. - -Example: - -ssp0: ssp@80010000 { - #address-cells = <1>; - #size-cells = <0>; - compatible = "fsl,imx28-spi"; - reg = <0x80010000 0x2000>; - interrupts = <96>; - dmas = <&dma_apbh 0>; - dma-names = "rx-tx"; -}; diff --git a/Documentation/devicetree/bindings/spi/mxs-spi.yaml b/Documentation/devicetree/bindings/spi/mxs-spi.yaml new file mode 100644 index 0000000..ef99d12 --- /dev/null +++ b/Documentation/devicetree/bindings/spi/mxs-spi.yaml @@ -0,0 +1,55 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/spi/mxs-spi.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Freescale MX233/MX28 SSP/SPI + +maintainers: + - Marek Vasut + +allOf: + - $ref: "/schemas/spi/spi-controller.yaml#" + +properties: + compatible: + enum: + - fsl,imx23-spi + - fsl,imx28-spi + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + dmas: + maxItems: 1 + + dma-names: + const: rx-tx + + clock-frequency: + $ref: /schemas/types.yaml#/definitions/uint32 + description: input clock frequency to the SPI block in Hz. + default: 160000000 + +required: + - compatible + - reg + - interrupts + - dmas + - dma-names + +examples: + - | + spi@80010000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "fsl,imx28-spi"; + reg = <0x80010000 0x2000>; + interrupts = <96>; + dmas = <&dma_apbh 0>; + dma-names = "rx-tx"; + }; From patchwork Wed Jun 3 06:13:28 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anson Huang X-Patchwork-Id: 11585109 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 5E2CB92A for ; Wed, 3 Jun 2020 06:24:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4A4D820678 for ; Wed, 3 Jun 2020 06:24:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726041AbgFCGYD (ORCPT ); Wed, 3 Jun 2020 02:24:03 -0400 Received: from inva021.nxp.com ([92.121.34.21]:42990 "EHLO inva021.nxp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725855AbgFCGYC (ORCPT ); Wed, 3 Jun 2020 02:24:02 -0400 Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id E2020200D3F; Wed, 3 Jun 2020 08:24:00 +0200 (CEST) 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 CA018200D3E; Wed, 3 Jun 2020 08:23:55 +0200 (CEST) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id 84ED640299; Wed, 3 Jun 2020 14:23:49 +0800 (SGT) From: Anson Huang To: broonie@kernel.org, robh+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, marex@denx.de, linux-spi@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Linux-imx@nxp.com Subject: [PATCH 2/3] dt-bindings: spi: Convert imx cspi to json-schema Date: Wed, 3 Jun 2020 14:13:28 +0800 Message-Id: <1591164809-13964-3-git-send-email-Anson.Huang@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1591164809-13964-1-git-send-email-Anson.Huang@nxp.com> References: <1591164809-13964-1-git-send-email-Anson.Huang@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP Sender: linux-spi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org Convert the i.MX CSPI binding to DT schema format using json-schema, update compatible, remove obsolete properties "fsl,spi-num-chipselects" and update the example based on latest DT file. Signed-off-by: Anson Huang --- .../devicetree/bindings/spi/fsl-imx-cspi.txt | 56 ------------- .../devicetree/bindings/spi/fsl-imx-cspi.yaml | 97 ++++++++++++++++++++++ 2 files changed, 97 insertions(+), 56 deletions(-) delete mode 100644 Documentation/devicetree/bindings/spi/fsl-imx-cspi.txt create mode 100644 Documentation/devicetree/bindings/spi/fsl-imx-cspi.yaml diff --git a/Documentation/devicetree/bindings/spi/fsl-imx-cspi.txt b/Documentation/devicetree/bindings/spi/fsl-imx-cspi.txt deleted file mode 100644 index 33bc58f..0000000 --- a/Documentation/devicetree/bindings/spi/fsl-imx-cspi.txt +++ /dev/null @@ -1,56 +0,0 @@ -* Freescale (Enhanced) Configurable Serial Peripheral Interface - (CSPI/eCSPI) for i.MX - -Required properties: -- compatible : - - "fsl,imx1-cspi" for SPI compatible with the one integrated on i.MX1 - - "fsl,imx21-cspi" for SPI compatible with the one integrated on i.MX21 - - "fsl,imx27-cspi" for SPI compatible with the one integrated on i.MX27 - - "fsl,imx31-cspi" for SPI compatible with the one integrated on i.MX31 - - "fsl,imx35-cspi" for SPI compatible with the one integrated on i.MX35 - - "fsl,imx51-ecspi" for SPI compatible with the one integrated on i.MX51 - - "fsl,imx53-ecspi" for SPI compatible with the one integrated on i.MX53 and later Soc - - "fsl,imx8mq-ecspi" for SPI compatible with the one integrated on i.MX8MQ - - "fsl,imx8mm-ecspi" for SPI compatible with the one integrated on i.MX8MM - - "fsl,imx8mn-ecspi" for SPI compatible with the one integrated on i.MX8MN - - "fsl,imx8mp-ecspi" for SPI compatible with the one integrated on i.MX8MP -- reg : Offset and length of the register set for the device -- interrupts : Should contain CSPI/eCSPI interrupt -- clocks : Clock specifiers for both ipg and per clocks. -- clock-names : Clock names should include both "ipg" and "per" -See the clock consumer binding, - Documentation/devicetree/bindings/clock/clock-bindings.txt - -Recommended properties: -- cs-gpios : GPIOs to use as chip selects, see spi-bus.txt. While the native chip -select lines can be used, they appear to always generate a pulse between each -word of a transfer. Most use cases will require GPIO based chip selects to -generate a valid transaction. - -Optional properties: -- num-cs : Number of total chip selects, see spi-bus.txt. -- dmas: DMA specifiers for tx and rx dma. See the DMA client binding, -Documentation/devicetree/bindings/dma/dma.txt. -- dma-names: DMA request names, if present, should include "tx" and "rx". -- fsl,spi-rdy-drctl: Integer, representing the value of DRCTL, the register -controlling the SPI_READY handling. Note that to enable the DRCTL consideration, -the SPI_READY mode-flag needs to be set too. -Valid values are: 0 (disabled), 1 (edge-triggered burst) and 2 (level-triggered burst). - -Obsolete properties: -- fsl,spi-num-chipselects : Contains the number of the chipselect - -Example: - -ecspi@70010000 { - #address-cells = <1>; - #size-cells = <0>; - compatible = "fsl,imx51-ecspi"; - reg = <0x70010000 0x4000>; - interrupts = <36>; - cs-gpios = <&gpio3 24 0>, /* GPIO3_24 */ - <&gpio3 25 0>; /* GPIO3_25 */ - dmas = <&sdma 3 7 1>, <&sdma 4 7 2>; - dma-names = "rx", "tx"; - fsl,spi-rdy-drctl = <1>; -}; diff --git a/Documentation/devicetree/bindings/spi/fsl-imx-cspi.yaml b/Documentation/devicetree/bindings/spi/fsl-imx-cspi.yaml new file mode 100644 index 0000000..cac023d --- /dev/null +++ b/Documentation/devicetree/bindings/spi/fsl-imx-cspi.yaml @@ -0,0 +1,97 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/spi/fsl-imx-cspi.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Freescale (Enhanced) Configurable Serial Peripheral Interface (CSPI/eCSPI) for i.MX + +maintainers: + - Shawn Guo + +allOf: + - $ref: "/schemas/spi/spi-controller.yaml#" + +properties: + compatible: + oneOf: + - const: fsl,imx1-cspi + - const: fsl,imx21-cspi + - const: fsl,imx27-cspi + - const: fsl,imx31-cspi + - const: fsl,imx35-cspi + - const: fsl,imx51-ecspi + - const: fsl,imx53-ecspi + - items: + - enum: + - fsl,imx50-ecspi + - fsl,imx6q-ecspi + - fsl,imx6sx-ecspi + - fsl,imx6sl-ecspi + - fsl,imx6sll-ecspi + - fsl,imx6ul-ecspi + - fsl,imx7d-ecspi + - fsl,imx8mq-ecspi + - fsl,imx8mm-ecspi + - fsl,imx8mn-ecspi + - fsl,imx8mp-ecspi + - const: fsl,imx51-ecspi + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + items: + - description: SoC SPI ipg clock + - description: SoC SPI per clock + maxItems: 2 + + clock-names: + items: + - const: ipg + - const: per + maxItems: 2 + + dmas: + items: + - description: DMA controller phandle and request line for RX + - description: DMA controller phandle and request line for TX + + dma-names: + items: + - const: rx + - const: tx + + fsl,spi-rdy-drctl: + $ref: /schemas/types.yaml#/definitions/uint32 + description: | + Integer, representing the value of DRCTL, the register controlling + the SPI_READY handling. Note that to enable the DRCTL consideration, + the SPI_READY mode-flag needs to be set too. + Valid values are: 0 (disabled), 1 (edge-triggered burst) and 2 (level-triggered burst). + enum: [0, 1, 2] + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + +examples: + - | + #include + + spi@70010000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "fsl,imx51-ecspi"; + reg = <0x70010000 0x4000>; + interrupts = <36>; + clocks = <&clks IMX5_CLK_ECSPI1_IPG_GATE>, + <&clks IMX5_CLK_ECSPI1_PER_GATE>; + clock-names = "ipg", "per"; + }; From patchwork Wed Jun 3 06:13:29 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anson Huang X-Patchwork-Id: 11585111 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 141F992A for ; Wed, 3 Jun 2020 06:24:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0477A206C3 for ; Wed, 3 Jun 2020 06:24:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725853AbgFCGYG (ORCPT ); Wed, 3 Jun 2020 02:24:06 -0400 Received: from inva020.nxp.com ([92.121.34.13]:54202 "EHLO inva020.nxp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725988AbgFCGYE (ORCPT ); Wed, 3 Jun 2020 02:24:04 -0400 Received: from inva020.nxp.com (localhost [127.0.0.1]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 14A571A0F6F; Wed, 3 Jun 2020 08:24:02 +0200 (CEST) Received: from invc005.ap-rdc01.nxp.com (invc005.ap-rdc01.nxp.com [165.114.16.14]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id 02B271A00B2; Wed, 3 Jun 2020 08:23:57 +0200 (CEST) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by invc005.ap-rdc01.nxp.com (Postfix) with ESMTP id A8D28402E8; Wed, 3 Jun 2020 14:23:50 +0800 (SGT) From: Anson Huang To: broonie@kernel.org, robh+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, marex@denx.de, linux-spi@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Linux-imx@nxp.com Subject: [PATCH 3/3] dt-bindings: spi: Convert imx lpspi to json-schema Date: Wed, 3 Jun 2020 14:13:29 +0800 Message-Id: <1591164809-13964-4-git-send-email-Anson.Huang@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1591164809-13964-1-git-send-email-Anson.Huang@nxp.com> References: <1591164809-13964-1-git-send-email-Anson.Huang@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP Sender: linux-spi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org Convert the i.MX LPSPI binding to DT schema format using json-schema Signed-off-by: Anson Huang --- .../devicetree/bindings/spi/spi-fsl-lpspi.txt | 29 ----------- .../devicetree/bindings/spi/spi-fsl-lpspi.yaml | 60 ++++++++++++++++++++++ 2 files changed, 60 insertions(+), 29 deletions(-) delete mode 100644 Documentation/devicetree/bindings/spi/spi-fsl-lpspi.txt create mode 100644 Documentation/devicetree/bindings/spi/spi-fsl-lpspi.yaml diff --git a/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.txt b/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.txt deleted file mode 100644 index e71b81a..0000000 --- a/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.txt +++ /dev/null @@ -1,29 +0,0 @@ -* Freescale Low Power SPI (LPSPI) for i.MX - -Required properties: -- compatible : - - "fsl,imx7ulp-spi" for LPSPI compatible with the one integrated on i.MX7ULP soc - - "fsl,imx8qxp-spi" for LPSPI compatible with the one integrated on i.MX8QXP soc -- reg : address and length of the lpspi master registers -- interrupt-parent : core interrupt controller -- interrupts : lpspi interrupt -- clocks : lpspi clock specifier. Its number and order need to correspond to the - value in clock-names. -- clock-names : Corresponding to per clock and ipg clock in "clocks" - respectively. In i.MX7ULP, it only has per clk, so use CLK_DUMMY - to fill the "ipg" blank. -- spi-slave : spi slave mode support. In slave mode, add this attribute without - value. In master mode, remove it. - -Examples: - -lpspi2: lpspi@40290000 { - compatible = "fsl,imx7ulp-spi"; - reg = <0x40290000 0x10000>; - interrupt-parent = <&intc>; - interrupts = ; - clocks = <&clks IMX7ULP_CLK_LPSPI2>, - <&clks IMX7ULP_CLK_DUMMY>; - clock-names = "per", "ipg"; - spi-slave; -}; diff --git a/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.yaml b/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.yaml new file mode 100644 index 0000000..d18e2b0f --- /dev/null +++ b/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.yaml @@ -0,0 +1,60 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/spi/spi-fsl-lpspi.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Freescale Low Power SPI (LPSPI) for i.MX + +maintainers: + - Anson Huang + +allOf: + - $ref: "/schemas/spi/spi-controller.yaml#" + +properties: + compatible: + enum: + - fsl,imx7ulp-spi + - fsl,imx8qxp-spi + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + items: + - description: SoC SPI per clock + - description: SoC SPI ipg clock + maxItems: 2 + + clock-names: + items: + - const: per + - const: ipg + maxItems: 2 + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + +examples: + - | + #include + #include + + spi@40290000 { + compatible = "fsl,imx7ulp-spi"; + reg = <0x40290000 0x10000>; + interrupt-parent = <&intc>; + interrupts = ; + clocks = <&clks IMX7ULP_CLK_LPSPI2>, + <&clks IMX7ULP_CLK_DUMMY>; + clock-names = "per", "ipg"; + spi-slave; + };