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([188.163.112.76]) by smtp.gmail.com with ESMTPSA id s15-20020a170906454f00b008d8f1b238fdsm7369177ejq.149.2023.03.08.01.52.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 08 Mar 2023 01:52:18 -0800 (PST) From: Svyatoslav Ryhel To: Mauro Carvalho Chehab , Rob Herring , Krzysztof Kozlowski , Svyatoslav Ryhel , Hans Verkuil , Luca Ceresoli , Jean Delvare , Sebastian Reichel , Daniel Jeong , Ldd-Mlp Cc: linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v1 1/2] dt-bindings: media: i2c: add lm3560 binding Date: Wed, 8 Mar 2023 11:52:08 +0200 Message-Id: <20230308095209.14700-2-clamor95@gmail.com> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20230308095209.14700-1-clamor95@gmail.com> References: <20230308095209.14700-1-clamor95@gmail.com> MIME-Version: 1.0 X-Spam-Status: No, score=-1.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_ENVFROM_END_DIGIT, FREEMAIL_FROM,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1759793922189678882?= X-GMAIL-MSGID: =?utf-8?q?1759793922189678882?= Signed-off-by: Svyatoslav Ryhel --- .../bindings/media/i2c/ti,lm3560.yaml | 130 ++++++++++++++++++ 1 file changed, 130 insertions(+) create mode 100644 Documentation/devicetree/bindings/media/i2c/ti,lm3560.yaml diff --git a/Documentation/devicetree/bindings/media/i2c/ti,lm3560.yaml b/Documentation/devicetree/bindings/media/i2c/ti,lm3560.yaml new file mode 100644 index 000000000000..b3c2ccb83a30 --- /dev/null +++ b/Documentation/devicetree/bindings/media/i2c/ti,lm3560.yaml @@ -0,0 +1,130 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/media/i2c/ti,lm3560.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: TI LM3560 Synchronous Boost Flash Driver + +maintainers: + - Daniel Jeong + - Ldd-Mlp + +description: | + The LM3560 is a 2-MHz fixed frequency synchronous boost + converter with two 1000-mA constant current drivers for + high-current white LEDs. The dual highside current sources + allow for grounded cathode LED operation and can be tied + together for providing flash currents at up to 2 A through + a single LED. An adaptive regulation method ensures the + current for each LED remains in regulation and maximizes + efficiency. + +properties: + compatible: + items: + - enum: + - ti,lm3559 + - ti,lm3560 + + reg: + maxItems: 1 + + enable-gpios: + maxItems: 1 + + ti,peak-current: + $ref: /schemas/types.yaml#/definitions/uint32 + enum: [0, 0x20, 0x40, 0x60] + default: 0x60 + description: | + Peak current can be set to 4 values 1.6A (0x00), + 2.3A (0x20), 3.0A (0x40) and 3.6A (0x60). + + ti,max-flash-timeout: + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 32 + maximum: 1024 + default: 1024 + description: | + Maximum flash timeout in ms with step 32ms. + + '#address-cells': + const: 1 + + '#size-cells': + const: 0 + +required: + - compatible + - reg + - '#address-cells' + - '#size-cells' + +patternProperties: + "^led@[01]$": + type: object + description: | + Properties for a connected LEDs. + properties: + reg: + minimum: 0 + maximum: 1 + + ti,max-flash-current: + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 62500 + maximum: 1000000 + default: 1000000 + description: | + Maximum current in flash mode in uA with step 62500uA. + + ti,max-torch-current: + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 31250 + maximum: 250000 + default: 250000 + description: | + Maximum current in tourch mode in uA with step 31250uA. + + required: + - reg + + additionalProperties: false + +additionalProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + flash-led@53 { + compatible = "ti,lm3559"; + reg = <0x53>; + + enable-gpios = <&gpio 219 GPIO_ACTIVE_HIGH>; + + ti,peak-current = <0>; + ti,max-flash-timeout = <1024>; + + #address-cells = <1>; + #size-cells = <0>; + + led@0 { + reg = <0>; + + ti,max-flash-current = <562500>; + ti,max-torch-current = <156250>; + }; + + led@1 { + reg = <1>; + + ti,max-flash-current = <562500>; + ti,max-torch-current = <156250>; + }; + }; + }; +...