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drivers: pwm: Add driver for xmc4xxx using ccu4 module

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Adds driver for pwm on xmc4xxx using Capture Compare Unit 4 (CCU4)
module. There are four CCU4 with each one having four channels
Thus it's possible to have up to 16 pwm output signals. The output of
each channel can only be connected to a specific port/pin. The possible
connection and gpio configurations are defined using pinctrl.

The CCU4 module also has a capture mode. Capture support will be added
in the future.

Signed-off-by: Andriy Gelman <andriy.gelman@gmail.com>
This commit is contained in:
Andriy Gelman 2023-06-04 21:36:17 -04:00 • committed by Carles Cufí
commit 23b6e4f507
16 changed files with 436 additions and 1 deletions
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9
drivers/pwm/Kconfig.xmc4xxx_ccu4 Normal file
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# Copyright (c) 2023 SLB
# SPDX-License-Identifier: Apache-2.0
config PWM_XMC4XXX_CCU4
bool "Infineon XMC4XXX CCU4 driver"
default y
depends on DT_HAS_INFINEON_XMC4XXX_CCU4_PWM_ENABLED
help
Enables Infineon XMC4XXX CCU4 PWM driver.