Searched +full:pwm +full:- +full:clock (Results 1 – 25 of 1025) sorted by relevance
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| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/pwm/ |
| D | pwm-samsung.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/pwm/pwm-samsung.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Samsung SoC PWM timers
10 - Thierry Reding <thierry.reding@gmail.com>
11 - Krzysztof Kozlowski <krzk@kernel.org>
14 Samsung SoCs contain PWM timer blocks which can be used for system clock source
15 and clock event timers, as well as to drive SoC outputs with PWM signal. Each
16 PWM timer block provides 5 PWM channels (not all of them can drive physical
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| D | pwm-rockchip.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/pwm/pwm-rockchip.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Rockchip PWM controller
10 - Heiko Stuebner <heiko@sntech.de>
15 - const: rockchip,rk2928-pwm
16 - const: rockchip,rk3288-pwm
17 - const: rockchip,rk3328-pwm
18 - const: rockchip,vop-pwm
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| D | imx-pwm.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/pwm/imx-pwm.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Freescale i.MX PWM controller
10 - Philipp Zabel <p.zabel@pengutronix.de>
13 - $ref: pwm.yaml#
16 "#pwm-cells":
18 Should be 2 for i.MX1 and 3 for i.MX27 and newer SoCs. See pwm.yaml
21 - 2
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| D | pwm-fsl-ftm.txt | 1 Freescale FlexTimer Module (FTM) PWM controller
3 The same FTM PWM device can have a different endianness on different SoCs. The
6 for the endianness of the FTM PWM block as integrated into the existing SoCs:
8 SoC | FTM-PWM endianness
9 --------+-------------------
19 - compatible : should be "fsl,<soc>-ftm-pwm" and one of the following
21 - "fsl,vf610-ftm-pwm" for PWM compatible with the one integrated on VF610
22 - "fsl,imx8qm-ftm-pwm" for PWM compatible with the one integrated on i.MX8QM
23 - reg: Physical base address and length of the controller's registers
24 - #pwm-cells: Should be 3. See pwm.yaml in this directory for a description of
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| D | allwinner,sun4i-a10-pwm.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/pwm/allwinner,sun4i-a10-pwm.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Allwinner A10 PWM
10 - Chen-Yu Tsai <wens@csie.org>
11 - Maxime Ripard <mripard@kernel.org>
14 "#pwm-cells":
19 - const: allwinner,sun4i-a10-pwm
20 - const: allwinner,sun5i-a10s-pwm
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| D | img-pwm.txt | 1 *Imagination Technologies PWM DAC driver
4 - compatible: Should be "img,pistachio-pwm"
5 - reg: Should contain physical base address and length of pwm registers.
6 - clocks: Must contain an entry for each entry in clock-names.
7 See ../clock/clock-bindings.txt for details.
8 - clock-names: Must include the following entries.
9 - pwm: PWM operating clock.
10 - sys: PWM system interface clock.
11 - #pwm-cells: Should be 2. See pwm.yaml in this directory for the
13 - img,cr-periph: Must contain a phandle to the peripheral control
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| D | pwm-sprd.txt | 1 Spreadtrum PWM controller
3 Spreadtrum SoCs PWM controller provides 4 PWM channels.
6 - compatible : Should be "sprd,ums512-pwm".
7 - reg: Physical base address and length of the controller's registers.
8 - clocks: The phandle and specifier referencing the controller's clocks.
9 - clock-names: Should contain following entries:
10 "pwmn": used to derive the functional clock for PWM channel n (n range: 0 ~ 3).
11 "enablen": for PWM channel n enable clock (n range: 0 ~ 3).
12 - #pwm-cells: Should be 2. See pwm.yaml in this directory for a description of
16 - assigned-clocks: Reference to the PWM clock entries.
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| D | mediatek,pwm-disp.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/pwm/mediatek,pwm-disp.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jitao Shi <jitao.shi@mediatek.com>
11 - Xinlei Lee <xinlei.lee@mediatek.com>
14 - $ref: pwm.yaml#
19 - enum:
20 - mediatek,mt2701-disp-pwm
21 - mediatek,mt6595-disp-pwm
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| D | lpc1850-sct-pwm.txt | 1 * NXP LPC18xx State Configurable Timer - Pulse Width Modulator driver
4 - compatible: Should be "nxp,lpc1850-sct-pwm"
5 - reg: Should contain physical base address and length of pwm registers.
6 - clocks: Must contain an entry for each entry in clock-names.
7 See ../clock/clock-bindings.txt for details.
8 - clock-names: Must include the following entries.
9 - pwm: PWM operating clock.
10 - #pwm-cells: Should be 3. See pwm.yaml in this directory for the description
14 pwm: pwm@40000000 {
15 compatible = "nxp,lpc1850-sct-pwm";
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| D | mediatek,mt2712-pwm.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/pwm/mediatek,mt2712-pwm.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: MediaTek PWM Controller
10 - John Crispin <john@phrozen.org>
13 - $ref: pwm.yaml#
18 - enum:
19 - mediatek,mt2712-pwm
20 - mediatek,mt6795-pwm
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/pwm/ |
| D | pwm-samsung.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/pwm/pwm-samsung.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Samsung SoC PWM timers
10 - Thierry Reding <thierry.reding@gmail.com>
11 - Krzysztof Kozlowski <krzk@kernel.org>
14 Samsung SoCs contain PWM timer blocks which can be used for system clock source
15 and clock event timers, as well as to drive SoC outputs with PWM signal. Each
16 PWM timer block provides 5 PWM channels (not all of them can drive physical
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| D | pwm-mediatek.txt | 1 MediaTek PWM controller
4 - compatible: should be "mediatek,<name>-pwm":
5 - "mediatek,mt2712-pwm": found on mt2712 SoC.
6 - "mediatek,mt7622-pwm": found on mt7622 SoC.
7 - "mediatek,mt7623-pwm": found on mt7623 SoC.
8 - "mediatek,mt7628-pwm": found on mt7628 SoC.
9 - "mediatek,mt7629-pwm": found on mt7629 SoC.
10 - "mediatek,mt8516-pwm": found on mt8516 SoC.
11 - reg: physical base address and length of the controller's registers.
12 - #pwm-cells: must be 2. See pwm.yaml in this directory for a description of
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| D | imx-pwm.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/pwm/imx-pwm.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Freescale i.MX PWM controller
10 - Philipp Zabel <p.zabel@pengutronix.de>
13 "#pwm-cells":
15 Should be 2 for i.MX1 and 3 for i.MX27 and newer SoCs. See pwm.yaml
18 - 2
19 - 3
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| D | pwm-fsl-ftm.txt | 1 Freescale FlexTimer Module (FTM) PWM controller
3 The same FTM PWM device can have a different endianness on different SoCs. The
6 for the endianness of the FTM PWM block as integrated into the existing SoCs:
8 SoC | FTM-PWM endianness
9 --------+-------------------
19 - compatible : should be "fsl,<soc>-ftm-pwm" and one of the following
21 - "fsl,vf610-ftm-pwm" for PWM compatible with the one integrated on VF610
22 - "fsl,imx8qm-ftm-pwm" for PWM compatible with the one integrated on i.MX8QM
23 - reg: Physical base address and length of the controller's registers
24 - #pwm-cells: Should be 3. See pwm.yaml in this directory for a description of
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| D | allwinner,sun4i-a10-pwm.yaml | 1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/pwm/allwinner,sun4i-a10-pwm.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Allwinner A10 PWM Device Tree Bindings
10 - Chen-Yu Tsai <wens@csie.org>
11 - Maxime Ripard <mripard@kernel.org>
14 "#pwm-cells":
19 - const: allwinner,sun4i-a10-pwm
20 - const: allwinner,sun5i-a10s-pwm
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| D | img-pwm.txt | 1 *Imagination Technologies PWM DAC driver
4 - compatible: Should be "img,pistachio-pwm"
5 - reg: Should contain physical base address and length of pwm registers.
6 - clocks: Must contain an entry for each entry in clock-names.
7 See ../clock/clock-bindings.txt for details.
8 - clock-names: Must include the following entries.
9 - pwm: PWM operating clock.
10 - sys: PWM system interface clock.
11 - #pwm-cells: Should be 2. See pwm.yaml in this directory for the
13 - img,cr-periph: Must contain a phandle to the peripheral control
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| D | pwm-sprd.txt | 1 Spreadtrum PWM controller
3 Spreadtrum SoCs PWM controller provides 4 PWM channels.
6 - compatible : Should be "sprd,ums512-pwm".
7 - reg: Physical base address and length of the controller's registers.
8 - clocks: The phandle and specifier referencing the controller's clocks.
9 - clock-names: Should contain following entries:
10 "pwmn": used to derive the functional clock for PWM channel n (n range: 0 ~ 3).
11 "enablen": for PWM channel n enable clock (n range: 0 ~ 3).
12 - #pwm-cells: Should be 2. See pwm.yaml in this directory for a description of
16 - assigned-clocks: Reference to the PWM clock entries.
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| D | pwm-rockchip.txt | 1 Rockchip PWM controller
4 - compatible: should be "rockchip,<name>-pwm"
5 "rockchip,rk2928-pwm": found on RK29XX,RK3066 and RK3188 SoCs
6 "rockchip,rk3288-pwm": found on RK3288 SOC
7 "rockchip,rv1108-pwm", "rockchip,rk3288-pwm": found on RV1108 SoC
8 "rockchip,vop-pwm": found integrated in VOP on RK3288 SoC
9 - reg: physical base address and length of the controller's registers
10 - clocks: See ../clock/clock-bindings.txt
11 - For older hardware (rk2928, rk3066, rk3188, rk3228, rk3288, rk3399):
12 - There is one clock that's used both to derive the functional clock
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| D | lpc1850-sct-pwm.txt | 1 * NXP LPC18xx State Configurable Timer - Pulse Width Modulator driver
4 - compatible: Should be "nxp,lpc1850-sct-pwm"
5 - reg: Should contain physical base address and length of pwm registers.
6 - clocks: Must contain an entry for each entry in clock-names.
7 See ../clock/clock-bindings.txt for details.
8 - clock-names: Must include the following entries.
9 - pwm: PWM operating clock.
10 - #pwm-cells: Should be 3. See pwm.yaml in this directory for the description
14 pwm: pwm@40000000 {
15 compatible = "nxp,lpc1850-sct-pwm";
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/clock/ |
| D | nvidia,tegra124-dfll.txt | 3 This binding uses the common clock binding:
4 Documentation/devicetree/bindings/clock/clock-bindings.txt
7 the fast CPU cluster. It consists of a free-running voltage controlled
10 communicating with an off-chip PMIC either via an I2C bus or via PWM signals.
13 - compatible : should be one of:
14 - "nvidia,tegra124-dfll": for Tegra124
15 - "nvidia,tegra210-dfll": for Tegra210
16 - reg : Defines the following set of registers, in the order listed:
17 - registers for the DFLL control logic.
18 - registers for the I2C output logic.
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| D | pwm-clock.txt | 1 Binding for an external clock signal driven by a PWM pin.
3 This binding uses the common clock binding[1] and the common PWM binding[2].
5 [1] Documentation/devicetree/bindings/clock/clock-bindings.txt
6 [2] Documentation/devicetree/bindings/pwm/pwm.txt
9 - compatible : shall be "pwm-clock".
10 - #clock-cells : from common clock binding; shall be set to 0.
11 - pwms : from common PWM binding; this determines the clock frequency
12 via the period given in the PWM specifier.
15 - clock-output-names : From common clock binding.
16 - clock-frequency : Exact output frequency, in case the PWM period
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| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/clock/ |
| D | nvidia,tegra124-dfll.txt | 3 This binding uses the common clock binding:
4 Documentation/devicetree/bindings/clock/clock-bindings.txt
7 the fast CPU cluster. It consists of a free-running voltage controlled
10 communicating with an off-chip PMIC either via an I2C bus or via PWM signals.
13 - compatible : should be one of:
14 - "nvidia,tegra124-dfll": for Tegra124
15 - "nvidia,tegra210-dfll": for Tegra210
16 - reg : Defines the following set of registers, in the order listed:
17 - registers for the DFLL control logic.
18 - registers for the I2C output logic.
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| /kernel/linux/linux-6.6/Documentation/devicetree/bindings/timer/ |
| D | ingenic,tcu.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 Documentation/arch/mips/ingenic-tcu.rst.
14 - Paul Cercueil <paul@crapouillou.net>
21 - ingenic,jz4740-tcu
22 - ingenic,jz4725b-tcu
23 - ingenic,jz4760-tcu
24 - ingenic,jz4760b-tcu
25 - ingenic,jz4770-tcu
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| /kernel/linux/linux-5.10/drivers/pwm/ |
| D | pwm-tegra.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * drivers/pwm/pwm-tegra.c
5 * Tegra pulse-width-modulation controller driver
7 * Copyright (c) 2010-2020, NVIDIA Corporation.
8 * Based on arch/arm/plat-mxc/pwm.c by Sascha Hauer <s.hauer@pengutronix.de>
11 * 1. 13-bit: Frequency division (SCALE)
12 * 2. 8-bit : Pulse division (DUTY)
13 * 3. 1-bit : Enable bit
15 * The PWM clock frequency is divided by 256 before subdividing it based
17 * frequency for PWM output. The maximum output frequency that can be
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| /kernel/linux/linux-5.10/Documentation/devicetree/bindings/timer/ |
| D | ingenic,tcu.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 Documentation/mips/ingenic-tcu.rst.
14 - Paul Cercueil <paul@crapouillou.net>
21 - ingenic,jz4740-tcu
22 - ingenic,jz4725b-tcu
23 - ingenic,jz4770-tcu
24 - ingenic,jz4780-tcu
25 - ingenic,x1000-tcu
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