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/Linux-v5.15/Documentation/devicetree/bindings/pwm/
Drenesas,tpu-pwm.yaml1 # SPDX-License-Identifier: GPL-2.0
3 ---
4 $id: http://devicetree.org/schemas/pwm/renesas,tpu-pwm.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: Renesas R-Car Timer Pulse Unit PWM Controller
10 - Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
16 const: renesas,tpu
18 - compatible
19 - '#pwm-cells'
24 - enum:
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/Linux-v5.15/arch/arm/boot/dts/
Dr8a7740.dtsi1 // SPDX-License-Identifier: GPL-2.0
3 * Device Tree Source for the R-Mobile A1 (R8A77400) SoC
8 #include <dt-bindings/clock/r8a7740-clock.h>
9 #include <dt-bindings/interrupt-controller/arm-gic.h>
10 #include <dt-bindings/interrupt-controller/irq.h>
13 compatible = "renesas,r8a7740";
14 interrupt-parent = <&gic>;
15 #address-cells = <1>;
16 #size-cells = <1>;
19 #address-cells = <1>;
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Dr8a7740-armadillo800eva.dts1 // SPDX-License-Identifier: GPL-2.0
8 /dts-v1/;
9 #include "r8a7740.dtsi"
10 #include <dt-bindings/gpio/gpio.h>
11 #include <dt-bindings/input/input.h>
12 #include <dt-bindings/interrupt-controller/irq.h>
13 #include <dt-bindings/pwm/pwm.h>
17 compatible = "renesas,armadillo800eva", "renesas,r8a7740";
25 stdout-path = "serial0:115200n8";
33 reg_3p3v: regulator-3p3v {
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/Linux-v5.15/drivers/pwm/
Dpwm-renesas-tpu.c1 // SPDX-License-Identifier: GPL-2.0
3 * R-Mobile TPU PWM driver
72 struct tpu_device *tpu; member
73 unsigned int channel; /* Channel number in the TPU */
94 void __iomem *base = pwm->tpu->base + TPU_CHANNEL_OFFSET in tpu_pwm_write()
95 + pwm->channel * TPU_CHANNEL_SIZE; in tpu_pwm_write()
105 dev_dbg(&pwm->tpu->pdev->dev, "%u: configuring pin as %s\n", in tpu_pwm_set_pin()
106 pwm->channel, states[state]); in tpu_pwm_set_pin()
111 pwm->polarity == PWM_POLARITY_INVERSED ? in tpu_pwm_set_pin()
116 pwm->polarity == PWM_POLARITY_INVERSED ? in tpu_pwm_set_pin()
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