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[98.183.112.25]) by smtp.gmail.com with ESMTPSA id l21-20020a544515000000b003a8560a9d34sm393814oil.25.2023.11.17.12.13.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 17 Nov 2023 12:13:51 -0800 (PST) From: David Lechner To: linux-spi@vger.kernel.org, devicetree@vger.kernel.org Cc: David Lechner , Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Michael Hennerich , =?utf-8?q?Nuno_S=C3=A1?= , Lars-Peter Clausen , linux-kernel@vger.kernel.org Subject: [PATCH 01/14] dt-bindings: spi: axi-spi-engine: convert to yaml Date: Fri, 17 Nov 2023 14:12:52 -0600 Message-ID: <20231117-axi-spi-engine-series-1-v1-1-cc59db999b87@baylibre.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231117-axi-spi-engine-series-1-v1-0-cc59db999b87@baylibre.com> References: <20231117-axi-spi-engine-series-1-v1-0-cc59db999b87@baylibre.com> MIME-Version: 1.0 X-Mailer: b4 0.12.4 Precedence: bulk List-ID: X-Mailing-List: linux-spi@vger.kernel.org This converts the axi-spi-engine binding to yaml. There are a few minor fixes in the conversion: * Added maintainers. * Added descriptions for the clocks. * Fixed the double "@" in the example. * Added a comma between the clocks in the example. Signed-off-by: David Lechner Reviewed-by: Rob Herring --- Note: This work is being done by BayLibre on behalf of Analog Devices Inc. This is why the maintainers are @analog.com rather than @baylibre.com. .../devicetree/bindings/spi/adi,axi-spi-engine.txt | 31 ---------- .../bindings/spi/adi,axi-spi-engine.yaml | 66 ++++++++++++++++++++++ 2 files changed, 66 insertions(+), 31 deletions(-) diff --git a/Documentation/devicetree/bindings/spi/adi,axi-spi-engine.txt b/Documentation/devicetree/bindings/spi/adi,axi-spi-engine.txt deleted file mode 100644 index 8a18d71e6879..000000000000 --- a/Documentation/devicetree/bindings/spi/adi,axi-spi-engine.txt +++ /dev/null @@ -1,31 +0,0 @@ -Analog Devices AXI SPI Engine controller Device Tree Bindings - -Required properties: -- compatible : Must be "adi,axi-spi-engine-1.00.a"" -- reg : Physical base address and size of the register map. -- interrupts : Property with a value describing the interrupt - number. -- clock-names : List of input clock names - "s_axi_aclk", "spi_clk" -- clocks : Clock phandles and specifiers (See clock bindings for - details on clock-names and clocks). -- #address-cells : Must be <1> -- #size-cells : Must be <0> - -Optional subnodes: - Subnodes are use to represent the SPI slave devices connected to the SPI - master. They follow the generic SPI bindings as outlined in spi-bus.txt. - -Example: - - spi@@44a00000 { - compatible = "adi,axi-spi-engine-1.00.a"; - reg = <0x44a00000 0x1000>; - interrupts = <0 56 4>; - clocks = <&clkc 15 &clkc 15>; - clock-names = "s_axi_aclk", "spi_clk"; - - #address-cells = <1>; - #size-cells = <0>; - - /* SPI devices */ - }; diff --git a/Documentation/devicetree/bindings/spi/adi,axi-spi-engine.yaml b/Documentation/devicetree/bindings/spi/adi,axi-spi-engine.yaml new file mode 100644 index 000000000000..d48faa42d025 --- /dev/null +++ b/Documentation/devicetree/bindings/spi/adi,axi-spi-engine.yaml @@ -0,0 +1,66 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/spi/adi,axi-spi-engine.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Analog Devices AXI SPI Engine Controller + +description: | + The AXI SPI Engine controller is part of the SPI Engine framework[1] and + allows memory mapped access to the SPI Engine control bus. This allows it + to be used as a general purpose software driven SPI controller as well as + some optional advanced acceleration and offloading capabilities. + + [1] https://wiki.analog.com/resources/fpga/peripherals/spi_engine + +maintainers: + - Michael Hennerich + - Nuno Sá + +allOf: + - $ref: /schemas/spi/spi-controller.yaml# + +properties: + compatible: + const: adi,axi-spi-engine-1.00.a + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + items: + - description: The AXI interconnect clock. + - description: The SPI controller clock. + + clock-names: + items: + - const: s_axi_aclk + - const: spi_clk + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + +unevaluatedProperties: false + +examples: + - | + spi@44a00000 { + compatible = "adi,axi-spi-engine-1.00.a"; + reg = <0x44a00000 0x1000>; + interrupts = <0 56 4>; + clocks = <&clkc 15>, <&clkc 15>; + clock-names = "s_axi_aclk", "spi_clk"; + + #address-cells = <1>; + #size-cells = <0>; + + /* SPI devices */ + };