From: Billy Tsai <billy_tsai@aspeedtech.com> To: <lee.jones@linaro.org>, <robh+dt@kernel.org>, <joel@jms.id.au>, <andrew@aj.id.au>, <thierry.reding@gmail.com>, <u.kleine-koenig@pengutronix.de>, <p.zabel@pengutronix.de>, <billy_tsai@aspeedtech.com>, <devicetree@vger.kernel.org>, <linux-arm-kernel@lists.infradead.org>, <linux-aspeed@lists.ozlabs.org>, <linux-kernel@vger.kernel.org>, <linux-pwm@vger.kernel.org> Cc: <BMC-SW@aspeedtech.com> Subject: [v5 1/2] dt-bindings: Add bindings for aspeed pwm-tach. Date: Fri, 14 May 2021 10:48:44 +0800 [thread overview] Message-ID: <20210514024845.10531-2-billy_tsai@aspeedtech.com> (raw) In-Reply-To: <20210514024845.10531-1-billy_tsai@aspeedtech.com> This patch adds device binding for aspeed pwm-tach device which is a multi-function device include pwm and tach function and pwm/tach device bindings which should be the child-node of pwm-tach device. Signed-off-by: Billy Tsai <billy_tsai@aspeedtech.com> --- .../bindings/hwmon/aspeed,ast2600-tach.yaml | 66 +++++++++++++++ .../bindings/mfd/aspeed,ast2600-pwm-tach.yaml | 84 +++++++++++++++++++ .../bindings/pwm/aspeed,ast2600-pwm.yaml | 62 ++++++++++++++ 3 files changed, 212 insertions(+) create mode 100644 Documentation/devicetree/bindings/hwmon/aspeed,ast2600-tach.yaml create mode 100644 Documentation/devicetree/bindings/mfd/aspeed,ast2600-pwm-tach.yaml create mode 100644 Documentation/devicetree/bindings/pwm/aspeed,ast2600-pwm.yaml diff --git a/Documentation/devicetree/bindings/hwmon/aspeed,ast2600-tach.yaml b/Documentation/devicetree/bindings/hwmon/aspeed,ast2600-tach.yaml new file mode 100644 index 000000000000..0b23281e9f5c --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/aspeed,ast2600-tach.yaml @@ -0,0 +1,66 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright (C) 2021 ASPEED, Inc. +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/hwmon/aspeed,ast2600-tach.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ASPEED AST2600 Tach controller + +maintainers: + - Billy Tsai <billy_tsai@aspeedtech.com> + +description: | + The ASPEED Tach controller can support upto 16 fan input. + This module is part of the ast2600-pwm-tach multi-function device. For more + details see ../mfd/aspeed,ast2600-pwm-tach.yaml. + +properties: + compatible: + enum: + - aspeed,ast2600-tach + + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + + pinctrl-0: true + + pinctrl-names: + const: default + + +required: + - compatible + - "#address-cells" + - "#size-cells" + +additionalProperties: + type: object + properties: + reg: + description: + The tach channel used for this fan. + maxItems: 1 + aspeed,min-rpm: + description: + define the minimal revolutions per minute of the measure fan + used to calculate the sample period of tach + default: 1000 + aspeed,pulse-pr: + description: + Value specifying the number of pulses per revolution of the + monitored FAN. + default: 2 + aspeed,tach-div: + description: + define the tachometer clock divider as an integer. Formula of + tach clock = clock source / (2^tach-div)^2 + minimum: 0 + maximum: 15 + # The value that should be used if the property is not present + default: 5 + required: + - reg diff --git a/Documentation/devicetree/bindings/mfd/aspeed,ast2600-pwm-tach.yaml b/Documentation/devicetree/bindings/mfd/aspeed,ast2600-pwm-tach.yaml new file mode 100644 index 000000000000..d742ccfcc003 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/aspeed,ast2600-pwm-tach.yaml @@ -0,0 +1,84 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright (C) 2021 ASPEED, Inc. +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mfd/aspeed,ast2600-pwm-tach.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: PWM Tach controller Device Tree Bindings + +description: | + The PWM Tach controller is represented as a multi-function device which + includes: + PWM + Tach + +maintainers: + - Billy Tsai <billy_tsai@aspeedtech.com> + +properties: + compatible: + items: + - enum: + - aspeed,ast2600-pwm-tach + - const: syscon + - const: simple-mfd + reg: + maxItems: 1 + clocks: + maxItems: 1 + resets: + maxItems: 1 + +required: + - compatible + - reg + - clocks + - resets + +patternProperties: + "^pwm(@[0-9a-f]+)?$": + $ref: ../pwm/aspeed,ast2600-pwm.yaml + + "^tach(@[0-9a-f]+)?$": + $ref: ../hwmon/aspeed,ast2600-tach.yaml + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/ast2600-clock.h> + pwm_tach: pwm_tach@1e610000 { + compatible = "aspeed,ast2600-pwm-tach", "syscon", "simple-mfd"; + reg = <0x1e610000 0x100>; + clocks = <&syscon ASPEED_CLK_AHB>; + resets = <&syscon ASPEED_RESET_PWM>; + + pwm: pwm { + compatible = "aspeed,ast2600-pwm"; + #address-cells = <1>; + #size-cells = <0>; + #pwm-cells = <3>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_pwm0_default>; + pwm-ch@0 { + reg = <0>; + aspeed,wdt-reload-enable; + aspeed,wdt-reload-duty-point = <32>; + }; + }; + + tach: tach { + compatible = "aspeed,ast2600-tach"; + #address-cells = <1>; + #size-cells = <0>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_tach0_default>; + fan@0 { + reg = <0>; + aspeed,min-rpm = <1000>; + aspeed,pulse-pr = <2>; + aspeed,tach-div = <5>; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/pwm/aspeed,ast2600-pwm.yaml b/Documentation/devicetree/bindings/pwm/aspeed,ast2600-pwm.yaml new file mode 100644 index 000000000000..f1354c8d35b5 --- /dev/null +++ b/Documentation/devicetree/bindings/pwm/aspeed,ast2600-pwm.yaml @@ -0,0 +1,62 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright (C) 2021 ASPEED, Inc. +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pwm/aspeed,ast2600-pwm.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ASPEED AST2600 PWM controller + +maintainers: + - Billy Tsai <billy_tsai@aspeedtech.com> + +description: | + The ASPEED PWM controller can support upto 16 PWM outputs. + This module is part of the ast2600-pwm-tach multi-function device. For more + details see ../mfd/aspeed,ast2600-pwm-tach.yaml. + +properties: + compatible: + enum: + - aspeed,ast2600-pwm + + "#pwm-cells": + const: 3 + + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + + pinctrl-0: true + + pinctrl-names: + const: default + + +required: + - compatible + - "#pwm-cells" + - "#address-cells" + - "#size-cells" + +additionalProperties: + description: Set extend properties for each pwm channel. + type: object + properties: + reg: + description: + The pwm channel index. + maxItems: 1 + aspeed,wdt-reload-enable: + type: boolean + description: + Enable the function of wdt reset reload duty point. + aspeed,wdt-reload-duty-point: + description: + Define the duty point after wdt reset, 0 = 100% + minimum: 0 + maximum: 255 + required: + - reg -- 2.25.1
WARNING: multiple messages have this Message-ID (diff)
From: Billy Tsai <billy_tsai@aspeedtech.com> To: <lee.jones@linaro.org>, <robh+dt@kernel.org>, <joel@jms.id.au>, <andrew@aj.id.au>, <thierry.reding@gmail.com>, <u.kleine-koenig@pengutronix.de>, <p.zabel@pengutronix.de>, <billy_tsai@aspeedtech.com>, <devicetree@vger.kernel.org>, <linux-arm-kernel@lists.infradead.org>, <linux-aspeed@lists.ozlabs.org>, <linux-kernel@vger.kernel.org>, <linux-pwm@vger.kernel.org> Cc: <BMC-SW@aspeedtech.com> Subject: [v5 1/2] dt-bindings: Add bindings for aspeed pwm-tach. Date: Fri, 14 May 2021 10:48:44 +0800 [thread overview] Message-ID: <20210514024845.10531-2-billy_tsai@aspeedtech.com> (raw) In-Reply-To: <20210514024845.10531-1-billy_tsai@aspeedtech.com> This patch adds device binding for aspeed pwm-tach device which is a multi-function device include pwm and tach function and pwm/tach device bindings which should be the child-node of pwm-tach device. Signed-off-by: Billy Tsai <billy_tsai@aspeedtech.com> --- .../bindings/hwmon/aspeed,ast2600-tach.yaml | 66 +++++++++++++++ .../bindings/mfd/aspeed,ast2600-pwm-tach.yaml | 84 +++++++++++++++++++ .../bindings/pwm/aspeed,ast2600-pwm.yaml | 62 ++++++++++++++ 3 files changed, 212 insertions(+) create mode 100644 Documentation/devicetree/bindings/hwmon/aspeed,ast2600-tach.yaml create mode 100644 Documentation/devicetree/bindings/mfd/aspeed,ast2600-pwm-tach.yaml create mode 100644 Documentation/devicetree/bindings/pwm/aspeed,ast2600-pwm.yaml diff --git a/Documentation/devicetree/bindings/hwmon/aspeed,ast2600-tach.yaml b/Documentation/devicetree/bindings/hwmon/aspeed,ast2600-tach.yaml new file mode 100644 index 000000000000..0b23281e9f5c --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/aspeed,ast2600-tach.yaml @@ -0,0 +1,66 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright (C) 2021 ASPEED, Inc. +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/hwmon/aspeed,ast2600-tach.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ASPEED AST2600 Tach controller + +maintainers: + - Billy Tsai <billy_tsai@aspeedtech.com> + +description: | + The ASPEED Tach controller can support upto 16 fan input. + This module is part of the ast2600-pwm-tach multi-function device. For more + details see ../mfd/aspeed,ast2600-pwm-tach.yaml. + +properties: + compatible: + enum: + - aspeed,ast2600-tach + + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + + pinctrl-0: true + + pinctrl-names: + const: default + + +required: + - compatible + - "#address-cells" + - "#size-cells" + +additionalProperties: + type: object + properties: + reg: + description: + The tach channel used for this fan. + maxItems: 1 + aspeed,min-rpm: + description: + define the minimal revolutions per minute of the measure fan + used to calculate the sample period of tach + default: 1000 + aspeed,pulse-pr: + description: + Value specifying the number of pulses per revolution of the + monitored FAN. + default: 2 + aspeed,tach-div: + description: + define the tachometer clock divider as an integer. Formula of + tach clock = clock source / (2^tach-div)^2 + minimum: 0 + maximum: 15 + # The value that should be used if the property is not present + default: 5 + required: + - reg diff --git a/Documentation/devicetree/bindings/mfd/aspeed,ast2600-pwm-tach.yaml b/Documentation/devicetree/bindings/mfd/aspeed,ast2600-pwm-tach.yaml new file mode 100644 index 000000000000..d742ccfcc003 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/aspeed,ast2600-pwm-tach.yaml @@ -0,0 +1,84 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright (C) 2021 ASPEED, Inc. +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mfd/aspeed,ast2600-pwm-tach.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: PWM Tach controller Device Tree Bindings + +description: | + The PWM Tach controller is represented as a multi-function device which + includes: + PWM + Tach + +maintainers: + - Billy Tsai <billy_tsai@aspeedtech.com> + +properties: + compatible: + items: + - enum: + - aspeed,ast2600-pwm-tach + - const: syscon + - const: simple-mfd + reg: + maxItems: 1 + clocks: + maxItems: 1 + resets: + maxItems: 1 + +required: + - compatible + - reg + - clocks + - resets + +patternProperties: + "^pwm(@[0-9a-f]+)?$": + $ref: ../pwm/aspeed,ast2600-pwm.yaml + + "^tach(@[0-9a-f]+)?$": + $ref: ../hwmon/aspeed,ast2600-tach.yaml + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/ast2600-clock.h> + pwm_tach: pwm_tach@1e610000 { + compatible = "aspeed,ast2600-pwm-tach", "syscon", "simple-mfd"; + reg = <0x1e610000 0x100>; + clocks = <&syscon ASPEED_CLK_AHB>; + resets = <&syscon ASPEED_RESET_PWM>; + + pwm: pwm { + compatible = "aspeed,ast2600-pwm"; + #address-cells = <1>; + #size-cells = <0>; + #pwm-cells = <3>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_pwm0_default>; + pwm-ch@0 { + reg = <0>; + aspeed,wdt-reload-enable; + aspeed,wdt-reload-duty-point = <32>; + }; + }; + + tach: tach { + compatible = "aspeed,ast2600-tach"; + #address-cells = <1>; + #size-cells = <0>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_tach0_default>; + fan@0 { + reg = <0>; + aspeed,min-rpm = <1000>; + aspeed,pulse-pr = <2>; + aspeed,tach-div = <5>; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/pwm/aspeed,ast2600-pwm.yaml b/Documentation/devicetree/bindings/pwm/aspeed,ast2600-pwm.yaml new file mode 100644 index 000000000000..f1354c8d35b5 --- /dev/null +++ b/Documentation/devicetree/bindings/pwm/aspeed,ast2600-pwm.yaml @@ -0,0 +1,62 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright (C) 2021 ASPEED, Inc. +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pwm/aspeed,ast2600-pwm.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ASPEED AST2600 PWM controller + +maintainers: + - Billy Tsai <billy_tsai@aspeedtech.com> + +description: | + The ASPEED PWM controller can support upto 16 PWM outputs. + This module is part of the ast2600-pwm-tach multi-function device. For more + details see ../mfd/aspeed,ast2600-pwm-tach.yaml. + +properties: + compatible: + enum: + - aspeed,ast2600-pwm + + "#pwm-cells": + const: 3 + + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + + pinctrl-0: true + + pinctrl-names: + const: default + + +required: + - compatible + - "#pwm-cells" + - "#address-cells" + - "#size-cells" + +additionalProperties: + description: Set extend properties for each pwm channel. + type: object + properties: + reg: + description: + The pwm channel index. + maxItems: 1 + aspeed,wdt-reload-enable: + type: boolean + description: + Enable the function of wdt reset reload duty point. + aspeed,wdt-reload-duty-point: + description: + Define the duty point after wdt reset, 0 = 100% + minimum: 0 + maximum: 255 + required: + - reg -- 2.25.1 _______________________________________________ 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:[~2021-05-14 2:50 UTC|newest] Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-05-14 2:48 [v5 0/2] Support pwm driver for aspeed ast26xx Billy Tsai 2021-05-14 2:48 ` Billy Tsai 2021-05-14 2:48 ` Billy Tsai [this message] 2021-05-14 2:48 ` [v5 1/2] dt-bindings: Add bindings for aspeed pwm-tach Billy Tsai 2021-05-14 2:48 ` [v5 2/2] pwm: Add Aspeed ast2600 PWM support Billy Tsai 2021-05-14 2:48 ` Billy Tsai 2021-05-15 15:18 ` Uwe Kleine-König 2021-05-15 15:18 ` Uwe Kleine-König 2021-05-17 2:53 ` Billy Tsai 2021-05-17 2:53 ` Billy Tsai 2021-05-17 6:06 ` Uwe Kleine-König 2021-05-17 6:06 ` Uwe Kleine-König 2021-05-17 6:23 ` Billy Tsai 2021-05-17 6:23 ` Billy Tsai 2021-05-17 6:35 ` Uwe Kleine-König 2021-05-17 6:35 ` Uwe Kleine-König 2021-05-17 7:12 ` Billy Tsai 2021-05-17 7:12 ` Billy Tsai 2021-05-17 17:10 ` Uwe Kleine-König 2021-05-17 17:10 ` Uwe Kleine-König
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