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[24.155.109.49]) by smtp.googlemail.com with ESMTPSA id g19sm489263otj.1.2020.01.07.16.17.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 07 Jan 2020 16:17:41 -0800 (PST) From: Rob Herring To: linux-leds@vger.kernel.org Cc: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Pavel Machek , Dan Murphy , Jacek Anaszewski Subject: [PATCH v2 2/2] dt-bindings: leds: Convert gpio-leds to DT schema Date: Tue, 7 Jan 2020 18:17:38 -0600 Message-Id: <20200108001738.8209-2-robh@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200108001738.8209-1-robh@kernel.org> References: <20200108001738.8209-1-robh@kernel.org> MIME-Version: 1.0 Sender: linux-leds-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-leds@vger.kernel.org Convert the gpio-leds binding to DT schema format. Drop the last example as the node name collides when built, and it doesn't add much value. Cc: Pavel Machek Cc: Dan Murphy Acked-by: Jacek Anaszewski Signed-off-by: Rob Herring --- Jacek, Please take this via led tree v2: - no change .../devicetree/bindings/leds/leds-gpio.txt | 75 ---------------- .../devicetree/bindings/leds/leds-gpio.yaml | 86 +++++++++++++++++++ 2 files changed, 86 insertions(+), 75 deletions(-) delete mode 100644 Documentation/devicetree/bindings/leds/leds-gpio.txt create mode 100644 Documentation/devicetree/bindings/leds/leds-gpio.yaml diff --git a/Documentation/devicetree/bindings/leds/leds-gpio.txt b/Documentation/devicetree/bindings/leds/leds-gpio.txt deleted file mode 100644 index d21281b63d38..000000000000 --- a/Documentation/devicetree/bindings/leds/leds-gpio.txt +++ /dev/null @@ -1,75 +0,0 @@ -LEDs connected to GPIO lines - -Required properties: -- compatible : should be "gpio-leds". - -Each LED is represented as a sub-node of the gpio-leds device. Each -node's name represents the name of the corresponding LED. - -LED sub-node properties: -- gpios : Should specify the LED's GPIO, see "gpios property" in - Documentation/devicetree/bindings/gpio/gpio.txt. Active low LEDs should be - indicated using flags in the GPIO specifier. -- function : (optional) - see Documentation/devicetree/bindings/leds/common.txt -- color : (optional) - see Documentation/devicetree/bindings/leds/common.txt -- label : (optional) - see Documentation/devicetree/bindings/leds/common.txt (deprecated) -- linux,default-trigger : (optional) - see Documentation/devicetree/bindings/leds/common.txt -- default-state: (optional) The initial state of the LED. - see Documentation/devicetree/bindings/leds/common.txt -- retain-state-suspended: (optional) The suspend state can be retained.Such - as charge-led gpio. -- retain-state-shutdown: (optional) Retain the state of the LED on shutdown. - Useful in BMC systems, for example when the BMC is rebooted while the host - remains up. -- panic-indicator : (optional) - see Documentation/devicetree/bindings/leds/common.txt - -Examples: - -#include -#include - -leds { - compatible = "gpio-leds"; - led0 { - gpios = <&mcu_pio 0 GPIO_ACTIVE_LOW>; - linux,default-trigger = "disk-activity"; - function = LED_FUNCTION_DISK; - }; - - led1 { - gpios = <&mcu_pio 1 GPIO_ACTIVE_HIGH>; - /* Keep LED on if BIOS detected hardware fault */ - default-state = "keep"; - function = LED_FUNCTION_FAULT; - }; -}; - -run-control { - compatible = "gpio-leds"; - led0 { - gpios = <&mpc8572 6 GPIO_ACTIVE_HIGH>; - color = ; - default-state = "off"; - }; - led1 { - gpios = <&mpc8572 7 GPIO_ACTIVE_HIGH>; - color = ; - default-state = "on"; - }; -}; - -leds { - compatible = "gpio-leds"; - - led0 { - gpios = <&gpio1 2 GPIO_ACTIVE_HIGH>; - linux,default-trigger = "max8903-charger-charging"; - retain-state-suspended; - function = LED_FUNCTION_CHARGE; - }; -}; diff --git a/Documentation/devicetree/bindings/leds/leds-gpio.yaml b/Documentation/devicetree/bindings/leds/leds-gpio.yaml new file mode 100644 index 000000000000..0e75b185dd19 --- /dev/null +++ b/Documentation/devicetree/bindings/leds/leds-gpio.yaml @@ -0,0 +1,86 @@ +# SPDX-License-Identifier: GPL-2.0-only +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/leds/leds-gpio.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: LEDs connected to GPIO lines + +maintainers: + - Jacek Anaszewski + - Pavel Machek + +description: + Each LED is represented as a sub-node of the gpio-leds device. Each + node's name represents the name of the corresponding LED. + +properties: + compatible: + const: gpio-leds + +patternProperties: + # The first form is preferred, but fall back to just 'led' anywhere in the + # node name to at least catch some child nodes. + "(^led-[0-9a-f]$|led)": + type: object + + allOf: + - $ref: common.yaml# + + properties: + gpios: + maxItems: 1 + + retain-state-suspended: + description: + The suspend state can be retained.Such as charge-led gpio. + type: boolean + + retain-state-shutdown: + description: + Retain the state of the LED on shutdown. Useful in BMC systems, for + example when the BMC is rebooted while the host remains up. + type: boolean + + required: + - gpios + +additionalProperties: false + +examples: + - | + + #include + #include + + leds { + compatible = "gpio-leds"; + led-0 { + gpios = <&mcu_pio 0 GPIO_ACTIVE_LOW>; + linux,default-trigger = "disk-activity"; + function = LED_FUNCTION_DISK; + }; + + led-1 { + gpios = <&mcu_pio 1 GPIO_ACTIVE_HIGH>; + /* Keep LED on if BIOS detected hardware fault */ + default-state = "keep"; + function = LED_FUNCTION_FAULT; + }; + }; + + run-control { + compatible = "gpio-leds"; + led-0 { + gpios = <&mpc8572 6 GPIO_ACTIVE_HIGH>; + color = ; + default-state = "off"; + }; + led-1 { + gpios = <&mpc8572 7 GPIO_ACTIVE_HIGH>; + color = ; + default-state = "on"; + }; + }; + +...