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Thu, 17 Oct 2024 08:02:20 -0700 (PDT) Received: from Emma ([2401:4900:1c97:c88d:5054:ff:fe53:2787]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-7ea9c715d7dsm5049956a12.88.2024.10.17.08.02.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 17 Oct 2024 08:02:19 -0700 (PDT) Date: Thu, 17 Oct 2024 15:02:16 +0000 From: Karan Sanghavi To: Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Florian Fainelli Cc: Ray Jui , Scott Branden , Broadcom internal kernel review list , Karan Sanghavi , linux-spi@vger.kernel.org, devicetree@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Shuah Khan , Anup Subject: [PATCH v4] spi: dt-bindings: brcm,bcm2835-aux-spi: Convert to dtschema Message-ID: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Convert bcm2835-aux-spi binding to Dt schema Changes since v3: - Updated the patch subject line - Reformatted the description to fit within 80 characters Changes since V2: - Modified the Patch subject - Removed unnecessary description and example Signed-off-by: Karan Sanghavi Reviewed-by: Krzysztof Kozlowski --- .../bindings/spi/brcm,bcm2835-aux-spi.txt | 38 ------------- .../bindings/spi/brcm,bcm2835-aux-spi.yaml | 53 +++++++++++++++++++ 2 files changed, 53 insertions(+), 38 deletions(-) delete mode 100644 Documentation/devicetree/bindings/spi/brcm,bcm2835-aux-= spi.txt create mode 100644 Documentation/devicetree/bindings/spi/brcm,bcm2835-aux-= spi.yaml diff --git a/Documentation/devicetree/bindings/spi/brcm,bcm2835-aux-spi.txt= b/Documentation/devicetree/bindings/spi/brcm,bcm2835-aux-spi.txt deleted file mode 100644 index d7668f41b..000000000 --- a/Documentation/devicetree/bindings/spi/brcm,bcm2835-aux-spi.txt +++ /dev/null @@ -1,38 +0,0 @@ -Broadcom BCM2835 auxiliary SPI1/2 controller - -The BCM2835 contains two forms of SPI master controller, one known simply = as -SPI0, and the other known as the "Universal SPI Master"; part of the -auxiliary block. This binding applies to the SPI1/2 controller. - -Required properties: -- compatible: Should be "brcm,bcm2835-aux-spi". -- reg: Should contain register location and length for the spi block -- interrupts: Should contain shared interrupt of the aux block -- clocks: The clock feeding the SPI controller - needs to - point to the auxiliary clock driver of the bcm2835, - as this clock will enable the output gate for the specific - clock. -- cs-gpios: the cs-gpios (native cs is NOT supported) - see also spi-bus.txt - -Example: - -spi1@7e215080 { - compatible =3D "brcm,bcm2835-aux-spi"; - reg =3D <0x7e215080 0x40>; - interrupts =3D <1 29>; - clocks =3D <&aux_clocks BCM2835_AUX_CLOCK_SPI1>; - #address-cells =3D <1>; - #size-cells =3D <0>; - cs-gpios =3D <&gpio 18>, <&gpio 17>, <&gpio 16>; -}; - -spi2@7e2150c0 { - compatible =3D "brcm,bcm2835-aux-spi"; - reg =3D <0x7e2150c0 0x40>; - interrupts =3D <1 29>; - clocks =3D <&aux_clocks BCM2835_AUX_CLOCK_SPI2>; - #address-cells =3D <1>; - #size-cells =3D <0>; - cs-gpios =3D <&gpio 43>, <&gpio 44>, <&gpio 45>; -}; diff --git a/Documentation/devicetree/bindings/spi/brcm,bcm2835-aux-spi.yam= l b/Documentation/devicetree/bindings/spi/brcm,bcm2835-aux-spi.yaml new file mode 100644 index 000000000..6df060778 --- /dev/null +++ b/Documentation/devicetree/bindings/spi/brcm,bcm2835-aux-spi.yaml @@ -0,0 +1,53 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/spi/brcm,bcm2835-aux-spi.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Broadcom BCM2835 Auxiliary SPI1/2 Controller + +maintainers: + - Karan Sanghavi + +description: + The BCM2835 contains two forms of SPI master controller. One is known si= mply + as SPI0, and the other as the "Universal SPI Master," which is part of t= he + auxiliary block. This binding applies to the SPI1 and SPI2 auxiliary + controllers. + +allOf: + - $ref: spi-controller.yaml# + +properties: + compatible: + enum: + - brcm,bcm2835-aux-spi + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + +required: + - compatible + - reg + - interrupts + - clocks + +unevaluatedProperties: false + +examples: + - | + #include + spi@7e215080 { + compatible =3D "brcm,bcm2835-aux-spi"; + reg =3D <0x7e215080 0x40>; + interrupts =3D <1 29>; + clocks =3D <&aux_clocks BCM2835_AUX_CLOCK_SPI1>; + #address-cells =3D <1>; + #size-cells =3D <0>; + }; --=20 2.43.0