From: "Jonathan Neuschäfer" <j.neuschaefer@gmx.net> To: linux-kernel@vger.kernel.org Cc: "Lee Jones" <lee.jones@linaro.org>, "Rob Herring" <robh+dt@kernel.org>, "Jonathan Neuschäfer" <j.neuschaefer@gmx.net>, "Thierry Reding" <thierry.reding@gmail.com>, "Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>, "Alessandro Zummo" <a.zummo@towertech.it>, "Alexandre Belloni" <alexandre.belloni@bootlin.com>, "Shawn Guo" <shawnguo@kernel.org>, "Sascha Hauer" <s.hauer@pengutronix.de>, "Pengutronix Kernel Team" <kernel@pengutronix.de>, "Fabio Estevam" <festevam@gmail.com>, "NXP Linux Team" <linux-imx@nxp.com>, "Sam Ravnborg" <sam@ravnborg.org>, "Linus Walleij" <linus.walleij@linaro.org>, "Heiko Stuebner" <heiko.stuebner@theobroma-systems.com>, "Stephan Gerhold" <stephan@gerhold.net>, "Lubomir Rintel" <lkundrak@v3.sk>, "Mark Brown" <broonie@kernel.org>, allen <allen.chen@ite.com.tw>, "Mauro Carvalho Chehab" <mchehab+huawei@kernel.org>, "David S. Miller" <davem@davemloft.net>, devicetree@vger.kernel.org, linux-pwm@vger.kernel.org, linux-rtc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, "Heiko Stuebner" <heiko@sntech.de>, "Josua Mayer" <josua.mayer@jm0.eu>, "Andreas Kemnade" <andreas@kemnade.info>, "Arnd Bergmann" <arnd@arndb.de>, "Daniel Palmer" <daniel@0x0f.com>, "Andy Shevchenko" <andy.shevchenko@gmail.com>, "Rob Herring" <robh@kernel.org> Subject: [PATCH v4 2/7] dt-bindings: mfd: Add binding for Netronix embedded controller Date: Sun, 22 Nov 2020 23:27:34 +0100 [thread overview] Message-ID: <20201122222739.1455132-3-j.neuschaefer@gmx.net> (raw) In-Reply-To: <20201122222739.1455132-1-j.neuschaefer@gmx.net> This EC is found in e-book readers of multiple brands (e.g. Kobo, Tolino), and is typically implemented as a TI MSP430 microcontroller. It controls different functions of the system, such as power on/off, RTC, PWM for the backlight. The exact functionality provided can vary between boards. Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Reviewed-by: Rob Herring <robh@kernel.org> --- v4: - Add R-b tag v3: - https://lore.kernel.org/lkml/20200924192455.2484005-3-j.neuschaefer@gmx.net/ - Remove binding in text form patch description again - Add additionalProperties: false - Remove interrupt-controller property from example - Merge pwm/rtc nodes into main node v2: - https://lore.kernel.org/lkml/20200905133230.1014581-3-j.neuschaefer@gmx.net/ - Add the plaintext DT binding for comparison --- .../bindings/mfd/netronix,ntxec.yaml | 76 +++++++++++++++++++ 1 file changed, 76 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/netronix,ntxec.yaml diff --git a/Documentation/devicetree/bindings/mfd/netronix,ntxec.yaml b/Documentation/devicetree/bindings/mfd/netronix,ntxec.yaml new file mode 100644 index 0000000000000..59a630025f52f --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/netronix,ntxec.yaml @@ -0,0 +1,76 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mfd/netronix,ntxec.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Netronix Embedded Controller + +maintainers: + - Jonathan Neuschäfer <j.neuschaefer@gmx.net> + +description: | + This EC is found in e-book readers of multiple brands (e.g. Kobo, Tolino), and + is typically implemented as a TI MSP430 microcontroller. + +properties: + compatible: + const: netronix,ntxec + + reg: + items: + - description: The I2C address of the EC + + system-power-controller: + type: boolean + description: See Documentation/devicetree/bindings/power/power-controller.txt + + interrupts: + minItems: 1 + description: + The EC can signal interrupts via a GPIO line + + "#pwm-cells": + const: 2 + description: | + Number of cells in a PWM specifier. + + The following PWM channels are supported: + - 0: The PWM channel controlled by registers 0xa1-0xa7 + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + i2c { + #address-cells = <1>; + #size-cells = <0>; + + ec: embedded-controller@43 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_ntxec>; + + compatible = "netronix,ntxec"; + reg = <0x43>; + system-power-controller; + interrupt-parent = <&gpio4>; + interrupts = <11 IRQ_TYPE_EDGE_FALLING>; + #pwm-cells = <2>; + }; + }; + + backlight { + compatible = "pwm-backlight"; + pwms = <&ec 0 50000>; + power-supply = <&backlight_regulator>; + }; + + backlight_regulator: regulator-dummy { + compatible = "regulator-fixed"; + regulator-name = "backlight"; + }; -- 2.29.2
WARNING: multiple messages have this Message-ID (diff)
From: "Jonathan Neuschäfer" <j.neuschaefer@gmx.net> To: linux-kernel@vger.kernel.org Cc: "Alexandre Belloni" <alexandre.belloni@bootlin.com>, "Heiko Stuebner" <heiko@sntech.de>, linux-pwm@vger.kernel.org, "Linus Walleij" <linus.walleij@linaro.org>, "Thierry Reding" <thierry.reding@gmail.com>, "Fabio Estevam" <festevam@gmail.com>, linux-rtc@vger.kernel.org, "Rob Herring" <robh@kernel.org>, "Arnd Bergmann" <arnd@arndb.de>, "Mauro Carvalho Chehab" <mchehab+huawei@kernel.org>, "Sam Ravnborg" <sam@ravnborg.org>, "Daniel Palmer" <daniel@0x0f.com>, "Andy Shevchenko" <andy.shevchenko@gmail.com>, "Andreas Kemnade" <andreas@kemnade.info>, "NXP Linux Team" <linux-imx@nxp.com>, "Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>, devicetree@vger.kernel.org, "Stephan Gerhold" <stephan@gerhold.net>, allen <allen.chen@ite.com.tw>, "Sascha Hauer" <s.hauer@pengutronix.de>, "Jonathan Neuschäfer" <j.neuschaefer@gmx.net>, "Lubomir Rintel" <lkundrak@v3.sk>, "Rob Herring" <robh+dt@kernel.org>, "Lee Jones" <lee.jones@linaro.org>, linux-arm-kernel@lists.infradead.org, "Alessandro Zummo" <a.zummo@towertech.it>, "Mark Brown" <broonie@kernel.org>, "Pengutronix Kernel Team" <kernel@pengutronix.de>, "Heiko Stuebner" <heiko.stuebner@theobroma-systems.com>, "Josua Mayer" <josua.mayer@jm0.eu>, "Shawn Guo" <shawnguo@kernel.org>, "David S. Miller" <davem@davemloft.net> Subject: [PATCH v4 2/7] dt-bindings: mfd: Add binding for Netronix embedded controller Date: Sun, 22 Nov 2020 23:27:34 +0100 [thread overview] Message-ID: <20201122222739.1455132-3-j.neuschaefer@gmx.net> (raw) In-Reply-To: <20201122222739.1455132-1-j.neuschaefer@gmx.net> This EC is found in e-book readers of multiple brands (e.g. Kobo, Tolino), and is typically implemented as a TI MSP430 microcontroller. It controls different functions of the system, such as power on/off, RTC, PWM for the backlight. The exact functionality provided can vary between boards. Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Reviewed-by: Rob Herring <robh@kernel.org> --- v4: - Add R-b tag v3: - https://lore.kernel.org/lkml/20200924192455.2484005-3-j.neuschaefer@gmx.net/ - Remove binding in text form patch description again - Add additionalProperties: false - Remove interrupt-controller property from example - Merge pwm/rtc nodes into main node v2: - https://lore.kernel.org/lkml/20200905133230.1014581-3-j.neuschaefer@gmx.net/ - Add the plaintext DT binding for comparison --- .../bindings/mfd/netronix,ntxec.yaml | 76 +++++++++++++++++++ 1 file changed, 76 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/netronix,ntxec.yaml diff --git a/Documentation/devicetree/bindings/mfd/netronix,ntxec.yaml b/Documentation/devicetree/bindings/mfd/netronix,ntxec.yaml new file mode 100644 index 0000000000000..59a630025f52f --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/netronix,ntxec.yaml @@ -0,0 +1,76 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mfd/netronix,ntxec.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Netronix Embedded Controller + +maintainers: + - Jonathan Neuschäfer <j.neuschaefer@gmx.net> + +description: | + This EC is found in e-book readers of multiple brands (e.g. Kobo, Tolino), and + is typically implemented as a TI MSP430 microcontroller. + +properties: + compatible: + const: netronix,ntxec + + reg: + items: + - description: The I2C address of the EC + + system-power-controller: + type: boolean + description: See Documentation/devicetree/bindings/power/power-controller.txt + + interrupts: + minItems: 1 + description: + The EC can signal interrupts via a GPIO line + + "#pwm-cells": + const: 2 + description: | + Number of cells in a PWM specifier. + + The following PWM channels are supported: + - 0: The PWM channel controlled by registers 0xa1-0xa7 + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + i2c { + #address-cells = <1>; + #size-cells = <0>; + + ec: embedded-controller@43 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_ntxec>; + + compatible = "netronix,ntxec"; + reg = <0x43>; + system-power-controller; + interrupt-parent = <&gpio4>; + interrupts = <11 IRQ_TYPE_EDGE_FALLING>; + #pwm-cells = <2>; + }; + }; + + backlight { + compatible = "pwm-backlight"; + pwms = <&ec 0 50000>; + power-supply = <&backlight_regulator>; + }; + + backlight_regulator: regulator-dummy { + compatible = "regulator-fixed"; + regulator-name = "backlight"; + }; -- 2.29.2 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2020-11-22 22:29 UTC|newest] Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-11-22 22:27 [PATCH v4 0/7] Netronix embedded controller driver for Kobo and Tolino ebook readers Jonathan Neuschäfer 2020-11-22 22:27 ` Jonathan Neuschäfer 2020-11-22 22:27 ` [PATCH v4 1/7] dt-bindings: Add vendor prefix for Netronix, Inc Jonathan Neuschäfer 2020-11-22 22:27 ` Jonathan Neuschäfer 2020-11-22 22:27 ` Jonathan Neuschäfer [this message] 2020-11-22 22:27 ` [PATCH v4 2/7] dt-bindings: mfd: Add binding for Netronix embedded controller Jonathan Neuschäfer 2020-11-22 22:27 ` [PATCH v4 3/7] mfd: Add base driver " Jonathan Neuschäfer 2020-11-22 22:27 ` Jonathan Neuschäfer 2020-12-02 13:05 ` Lee Jones 2020-12-02 13:05 ` Lee Jones 2020-12-02 13:06 ` Lee Jones 2020-12-02 13:06 ` Lee Jones 2020-12-02 14:00 ` Jonathan Neuschäfer 2020-12-02 14:00 ` Jonathan Neuschäfer 2020-12-02 15:09 ` Lee Jones 2020-12-02 15:09 ` Lee Jones 2020-12-02 17:11 ` Jonathan Neuschäfer 2020-12-02 17:11 ` Jonathan Neuschäfer 2020-11-22 22:27 ` [PATCH v4 4/7] pwm: ntxec: Add driver for PWM function in Netronix EC Jonathan Neuschäfer 2020-11-22 22:27 ` Jonathan Neuschäfer 2020-11-24 8:20 ` Uwe Kleine-König 2020-11-24 8:20 ` Uwe Kleine-König 2020-11-26 23:19 ` Jonathan Neuschäfer 2020-11-26 23:19 ` Jonathan Neuschäfer 2020-11-27 7:11 ` Uwe Kleine-König 2020-11-27 7:11 ` Uwe Kleine-König 2020-11-27 11:08 ` Thierry Reding 2020-11-27 11:08 ` Thierry Reding 2020-11-27 14:23 ` Uwe Kleine-König 2020-11-27 14:23 ` Uwe Kleine-König 2020-11-29 17:59 ` Jonathan Neuschäfer 2020-11-29 17:59 ` Jonathan Neuschäfer 2020-11-29 17:48 ` Jonathan Neuschäfer 2020-11-29 17:48 ` Jonathan Neuschäfer 2020-11-22 22:27 ` [PATCH v4 5/7] rtc: New driver for RTC in Netronix embedded controller Jonathan Neuschäfer 2020-11-22 22:27 ` Jonathan Neuschäfer 2020-11-22 23:10 ` Alexandre Belloni 2020-11-22 23:10 ` Alexandre Belloni 2020-11-23 21:31 ` Jonathan Neuschäfer 2020-11-23 21:31 ` Jonathan Neuschäfer 2020-11-23 21:34 ` Mark Brown 2020-11-23 21:34 ` Mark Brown 2020-11-23 21:38 ` Alexandre Belloni 2020-11-23 21:38 ` Alexandre Belloni 2020-11-22 22:27 ` [PATCH v4 6/7] MAINTAINERS: Add entry for " Jonathan Neuschäfer 2020-11-22 22:27 ` Jonathan Neuschäfer 2020-11-23 0:09 ` [PATCH v4 7/7] ARM: dts: imx50-kobo-aura: Add " Jonathan Neuschäfer 2020-11-23 0:09 ` Jonathan Neuschäfer
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