drivers: pwm: siwx91x: Add siwx91x PWM driver (935c8e47) · Commits · Wenxi XU / zephyr

boards/silabs/radio_boards/siwx917_rb4338a/siwx917_rb4338a.yaml

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Changes for drivers/clock_control/clock_control_silabs_siwx91x.c: 8 added lines, 0 removed lines.
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		@@ -64,6 +64,10 @@ static int siwx91x_clock_on(const struct device *dev, clock_control_subsys_t sys
		RSI_PS_M4ssPeriPowerUp(M4SS_PWRGATE_ULP_EFUSE_PERI);
		RSI_CLK_PeripheralClkEnable(M4CLK, UDMA_CLK, ENABLE_STATIC_CLK);
		break;
		case SIWX91X_CLK_PWM:
		RSI_PS_M4ssPeriPowerUp(M4SS_PWRGATE_ULP_EFUSE_PERI);
		RSI_CLK_PeripheralClkEnable(M4CLK, PWM_CLK, ENABLE_STATIC_CLK);
		break;
		default:
		return -EINVAL;
		}
		@@ -121,6 +125,10 @@ static int siwx91x_clock_get_rate(const struct device *dev, clock_control_subsys
		case SIWX91X_CLK_UART2:
		*rate = RSI_CLK_GetBaseClock(M4_UART1);
		return 0;
		case SIWX91X_CLK_PWM:
		/* PWM peripheral operates at the system clock frequency */
		*rate = CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC;
		return 0;
		default:
		/* For now, no other driver need clock rate */
		return -EINVAL;

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Changes for drivers/pwm/CMakeLists.txt: 1 added line, 0 removed lines.
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		@@ -31,6 +31,7 @@ zephyr_library_sources_ifdef(CONFIG_PWM_NPCX pwm_npcx.c)
		zephyr_library_sources_ifdef(CONFIG_PWM_XLNX_AXI_TIMER pwm_xlnx_axi_timer.c)
		zephyr_library_sources_ifdef(CONFIG_PWM_MCUX_PWT pwm_mcux_pwt.c)
		zephyr_library_sources_ifdef(CONFIG_PWM_GECKO pwm_gecko.c)
		zephyr_library_sources_ifdef(CONFIG_PWM_SILABS_SIWX91X pwm_silabs_siwx91x.c)
		zephyr_library_sources_ifdef(CONFIG_PWM_GD32 pwm_gd32.c)
		zephyr_library_sources_ifdef(CONFIG_PWM_RCAR pwm_rcar.c)
		zephyr_library_sources_ifdef(CONFIG_PWM_PCA9685 pwm_pca9685.c)

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Changes for drivers/pwm/Kconfig: 2 added lines, 0 removed lines.
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		@@ -84,6 +84,8 @@ source "drivers/pwm/Kconfig.mcux_pwt"

		source "drivers/pwm/Kconfig.gecko"

		source "drivers/pwm/Kconfig.siwx91x"

		source "drivers/pwm/Kconfig.gd32"

		source "drivers/pwm/Kconfig.rcar"

0 → 100644

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Changes for drivers/pwm/Kconfig.siwx91x: 9 added lines, 0 removed lines.
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		# Copyright (c) 2025 Silicon Laboratories Inc.
		# SPDX-License-Identifier: Apache-2.0

		config PWM_SILABS_SIWX91X
		bool "Silabs SiWx91x PWM driver"
		default y
		depends on DT_HAS_SILABS_SIWX91X_PWM_ENABLED
		help
		Enable the PWM driver for the Silabs SiWx91x SoC series.