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[81.204.249.205]) by smtp.gmail.com with ESMTPSA id f1sm342559wro.85.2020.01.22.14.46.03 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 22 Jan 2020 14:46:03 -0800 (PST) From: Johan Jonker To: broonie@kernel.org Subject: [PATCH v2 1/3] dt-bindings: spi: convert rockchip spi bindings to yaml Date: Wed, 22 Jan 2020 23:45:53 +0100 Message-Id: <20200122224555.6845-1-jbx6244@gmail.com> X-Mailer: git-send-email 2.11.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200122_144606_428936_37475590 X-CRM114-Status: GOOD ( 19.38 ) X-Spam-Score: 0.1 (/) X-Spam-Report: SpamAssassin version 3.4.3 on bombadil.infradead.org summary: Content analysis details: (0.1 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [2a00:1450:4864:20:0:0:0:443 listed in] [list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.2 FREEMAIL_ENVFROM_END_DIGIT Envelope-from freemail username ends in digit [jbx6244[at]gmail.com] 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider [jbx6244[at]gmail.com] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mark.rutland@arm.com, devicetree@vger.kernel.org, heiko@sntech.de, linux-kernel@vger.kernel.org, linux-spi@vger.kernel.org, linux-rockchip@lists.infradead.org, robh+dt@kernel.org, linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.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 | 105 +++++++++++++++++++++ MAINTAINERS | 1 + 3 files changed, 106 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..bca8c6142 --- /dev/null +++ b/Documentation/devicetree/bindings/spi/spi-rockchip.yaml @@ -0,0 +1,105 @@ +# 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: + items: + - description: transfer-clock + - description: peripheral clock + + clock-names: + items: + - const: spiclk + - const: apb_pclk + + dmas: + items: + - description: TX DMA Channel + - description: RX DMA Channel + + dma-names: + items: + - const: tx + - const: rx + + rx-sample-delay-ns: + 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/