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Mon, 08 Sep 2025 09:18:10 -0700 (PDT) Received: from Black-Pearl.localdomain ([27.7.158.204]) by smtp.googlemail.com with ESMTPSA id d2e1a72fcca58-772608b1b5asm21319074b3a.46.2025.09.08.09.18.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 08 Sep 2025 09:18:10 -0700 (PDT) From: Charan Pedumuru Date: Mon, 08 Sep 2025 16:17:13 +0000 Subject: [PATCH v2 2/2] dt-bindings: mmc: sdhci-omap: convert to DT schema Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250908-ti-sdhci-omap-v2-2-72927890482f@gmail.com> References: <20250908-ti-sdhci-omap-v2-0-72927890482f@gmail.com> In-Reply-To: <20250908-ti-sdhci-omap-v2-0-72927890482f@gmail.com> To: Ulf Hansson , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Paul Barker , Marc Murphy , Tony Lindgren , Kishon Vijay Abraham I Cc: linux-mmc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org, Charan Pedumuru X-Mailer: b4 0.14.2 Convert TI OMAP SDHCI Controller binding to YAML format. Changes during Conversion: - Define new properties like "clock-frequency" and "pbias-supply" to resolve errors detected by DTB_CHECK. - Remove "ti,hwmods", "pinctrl-names" and "pinctrl-" from required as they are not necessary for all DTS files and the text binding is misleading. - Add missing strings like "default-rev11", "sdr12-rev11", "sdr25-rev11", "hs-rev11", "sdr25-rev11" and "sleep" to pinctrl-names string array. Signed-off-by: Charan Pedumuru --- .../devicetree/bindings/mmc/sdhci-omap.txt | 43 ------ .../devicetree/bindings/mmc/ti,omap2430-sdhci.yaml | 152 +++++++++++++++++= ++++ 2 files changed, 152 insertions(+), 43 deletions(-) diff --git a/Documentation/devicetree/bindings/mmc/sdhci-omap.txt b/Documen= tation/devicetree/bindings/mmc/sdhci-omap.txt deleted file mode 100644 index f91e341e6b36c410275e6f993dd08400be3fc1f8..000000000000000000000000000= 0000000000000 --- a/Documentation/devicetree/bindings/mmc/sdhci-omap.txt +++ /dev/null @@ -1,43 +0,0 @@ -* TI OMAP SDHCI Controller - -Refer to mmc.txt for standard MMC bindings. - -For UHS devices which require tuning, the device tree should have a "cpu_t= hermal" node which maps to the appropriate thermal zone. This is used to ge= t the temperature of the zone during tuning. - -Required properties: -- compatible: Should be "ti,omap2430-sdhci" for omap2430 controllers - Should be "ti,omap3-sdhci" for omap3 controllers - Should be "ti,omap4-sdhci" for omap4 and ti81 controllers - Should be "ti,omap5-sdhci" for omap5 controllers - Should be "ti,dra7-sdhci" for DRA7 and DRA72 controllers - Should be "ti,k2g-sdhci" for K2G - Should be "ti,am335-sdhci" for am335x controllers - Should be "ti,am437-sdhci" for am437x controllers -- ti,hwmods: Must be "mmc", is controller instance starting 1 - (Not required for K2G). -- pinctrl-names: Should be subset of "default", "hs", "sdr12", "sdr25", "s= dr50", - "ddr50-rev11", "sdr104-rev11", "ddr50", "sdr104", - "ddr_1_8v-rev11", "ddr_1_8v" or "ddr_3_3v", "hs200_1_8v-rev11", - "hs200_1_8v", -- pinctrl- : Pinctrl states as described in bindings/pinctrl/pinctrl-bi= ndings.txt - -Optional properties: -- dmas: List of DMA specifiers with the controller specific format as des= cribed - in the generic DMA client binding. A tx and rx specifier is required. -- dma-names: List of DMA request names. These strings correspond 1:1 with = the - DMA specifiers listed in dmas. The string naming is to be "tx" - and "rx" for TX and RX DMA requests, respectively. - -Deprecated properties: -- ti,non-removable: Compatible with the generic non-removable property - -Example: - mmc1: mmc@4809c000 { - compatible =3D "ti,dra7-sdhci"; - reg =3D <0x4809c000 0x400>; - ti,hwmods =3D "mmc1"; - bus-width =3D <4>; - vmmc-supply =3D <&vmmc>; /* phandle to regulator node */ - dmas =3D <&sdma 61 &sdma 62>; - dma-names =3D "tx", "rx"; - }; diff --git a/Documentation/devicetree/bindings/mmc/ti,omap2430-sdhci.yaml b= /Documentation/devicetree/bindings/mmc/ti,omap2430-sdhci.yaml new file mode 100644 index 0000000000000000000000000000000000000000..2c8be3b0986755579e0f4d3f365= 54f378af914d3 --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/ti,omap2430-sdhci.yaml @@ -0,0 +1,152 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mmc/ti,omap2430-sdhci.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: TI OMAP SDHCI Controller + +maintainers: + - Kishon Vijay Abraham I + +description: + For UHS devices which require tuning, the device tree should have a + cpu_thermal node which maps to the appropriate thermal zone. This + is used to get the temperature of the zone during tuning. + +allOf: + - $ref: sdhci-common.yaml# + +properties: + compatible: + enum: + - ti,omap2430-sdhci + - ti,omap3-sdhci + - ti,omap4-sdhci + - ti,omap5-sdhci + - ti,dra7-sdhci + - ti,k2g-sdhci + - ti,am335-sdhci + - ti,am437-sdhci + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + pinctrl-names: + $ref: /schemas/types.yaml#/definitions/string-array + minItems: 1 + maxItems: 19 + items: + enum: + - default + - default-rev11 + - hs + - sdr12 + - sdr12-rev11 + - sdr25 + - sdr25-rev11 + - sdr50 + - ddr50-rev11 + - sdr104-rev11 + - ddr50 + - sdr104 + - ddr_1_8v-rev11 + - ddr_1_8v + - ddr_3_3v + - hs-rev11 + - hs200_1_8v-rev11 + - hs200_1_8v + - sleep + + pinctrl-0: + maxItems: 1 + + pinctrl-1: + maxItems: 1 + + pinctrl-2: + maxItems: 1 + + pinctrl-3: + maxItems: 1 + + pinctrl-4: + maxItems: 1 + + pinctrl-5: + maxItems: 1 + + pinctrl-6: + maxItems: 1 + + pinctrl-7: + maxItems: 1 + + pinctrl-8: + maxItems: 1 + + dmas: + maxItems: 2 + + dma-names: + items: + - const: tx + - const: rx + + ti,hwmods: + $ref: /schemas/types.yaml#/definitions/string + description: + This field is used to fetch the information such as + address range, irq lines, dma lines, interconnect, PRCM register, + clock domain, input clocks associated with MMC. + pattern: "^mmc[0-9]+$" + + pbias-supply: + description: + It is used to specify the voltage regulator that provides the bias + voltage for certain analog or I/O pads. + + ti,non-removable: + description: + It indicates that a component is not meant to be easily removed or + replaced by the user, such as an embedded battery or a non-removable + storage slot like eMMC. + type: boolean + deprecated: true + + vmmmc-supply: + description: + It is used to specify the power supply (regulator) for the MMC/SD ca= rd's + main operating voltage (VCC/VDD). + + clock-frequency: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + It represents the speed at which a clock signal associated with a de= vice + or bus operates, measured in Hertz (Hz). This value is crucial for c= onfiguring + hardware components that require a specific clock speed. + +required: + - compatible + - reg + - interrupts + +unevaluatedProperties: false + +examples: + - | + #include + mmc@4809c000 { + compatible =3D "ti,omap2430-sdhci"; + reg =3D <0x4809c000 0x400>; + interrupts =3D ; + ti,hwmods =3D "mmc1"; + bus-width =3D <4>; + vmmc-supply =3D <&vmmc>; /* phandle to regulator node */ + dmas =3D <&sdma 61>, <&sdma 62>; + dma-names =3D "tx", "rx"; + }; +... --=20 2.51.0