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In npcx7 series, there're 8 Pulse Width Modulator (PWM) modules and each one support generating a single 16-bit PWM output. A 16-bit clock prescaler (PRSCn) and a 16-bit counter (CTRn) determine the cycle time, the minimal possible pulse width, and the duty-cycle steps. Beside introducing pwm driver for Nuvoton NPCX series, this CL also includes: 1. Add PWM device tree declarations. 2. Zephyr PWM api implementation. 3. Add aliases in npcx7m6fb_evb board device tree file for supporting samples/basic/blinky_pwm application and pwm test suites Signed-off-by: Mulin Chao <MLChao@nuvoton.com>
13 lines
361 B
Plaintext
13 lines
361 B
Plaintext
# NPCX PWM driver configuration options
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# Copyright (c) 2020 Nuvoton Technology Corporation.
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# SPDX-License-Identifier: Apache-2.0
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config PWM_NPCX
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bool "Nuvoton NPCX embedd controller (EC) PWM driver"
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depends on SOC_FAMILY_NPCX
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help
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This option enables the PWM driver for NPCX family of
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processors.
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Say y if you wish to use pwm ports on NPCX MCU.
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