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sam_e54_xpro : Add support for PWM using tcc peripheral #96963

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sam_e54_xpro : Add support for PWM using tcc peripheral #96963

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2cb3d4b
dts: arm: microchip: add tcc node for pwm peripheral
mchp-asif Sep 23, 2025
3755a37
drivers: pwm: microchip: add support for pwm tcc g1 IPs
mchp-asif Sep 23, 2025
16fde87
boards: microchip: sam_e54_xpro: Enabled blinky pwm support
mchp-asif Sep 23, 2025
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6 changes: 6 additions & 0 deletions boards/microchip/sam/sam_e54_xpro/sam_e54_xpro-pinctrl.dtsi
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Original file line number Diff line number Diff line change
Expand Up @@ -13,4 +13,10 @@
<PB24D_SERCOM2_PAD1>;
};
};

tcc0_pwm_default: tcc0_pwm_default {
group1 {
pinmux = <PC18F_TCC0_WO2>;
};
};
};
24 changes: 24 additions & 0 deletions boards/microchip/sam/sam_e54_xpro/sam_e54_xpro.dts
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Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,19 @@
zephyr,sram = &sram0;
zephyr,flash = &flash0;
};

aliases {
pwm-led0 = &pwm_led0;
};

pwmleds {
compatible = "pwm-leds";

pwm_led0: pwm_led_0 {
status = "okay";
pwms = <&tcc0 2 PWM_MSEC(20) 0>;
};
};
};

&flash0 {
Expand Down Expand Up @@ -60,3 +73,14 @@
pinctrl-0 = <&sercom2_uart_default>;
pinctrl-names = "default";
};

&tcc0 {
compatible = "microchip,tcc-g1-pwm";
status = "okay";
#pwm-cells = <3>;
pinctrl-0 = <&tcc0_pwm_default>;
pinctrl-names = "default";
max-bit-width = <24>;
prescaler = <8>;
channels = <6>;
};
1 change: 1 addition & 0 deletions boards/microchip/sam/sam_e54_xpro/sam_e54_xpro.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,7 @@ flash: 1024
ram: 256
supported:
- pinctrl
- pwm
- shell
- uart
vendor: microchip
1 change: 1 addition & 0 deletions drivers/pwm/CMakeLists.txt
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Expand Up @@ -46,6 +46,7 @@ zephyr_library_sources_ifdef(CONFIG_PWM_BBLED_XEC pwm_mchp_xec_bbled.c)
zephyr_library_sources_ifdef(CONFIG_PWM_INTEL_BLINKY pwm_intel_blinky.c)
zephyr_library_sources_ifdef(CONFIG_PWM_XMC4XXX_CCU4 pwm_xmc4xxx_ccu4.c)
zephyr_library_sources_ifdef(CONFIG_PWM_XMC4XXX_CCU8 pwm_xmc4xxx_ccu8.c)
zephyr_library_sources_ifdef(CONFIG_PWM_MCHP_G1_TCC pwm_mchp_tcc_g1.c)
zephyr_library_sources_ifdef(CONFIG_PWM_MCUX_CTIMER pwm_mcux_ctimer.c)
zephyr_library_sources_ifdef(CONFIG_PWM_MSPM0 pwm_mspm0.c)
zephyr_library_sources_ifdef(CONFIG_PWM_NUMAKER pwm_numaker.c)
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2 changes: 2 additions & 0 deletions drivers/pwm/Kconfig
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Expand Up @@ -110,6 +110,8 @@ source "drivers/pwm/Kconfig.xmc4xxx_ccu4"

source "drivers/pwm/Kconfig.xmc4xxx_ccu8"

source "drivers/pwm/Kconfig.mchp"

source "drivers/pwm/Kconfig.mcux_ctimer"

source "drivers/pwm/Kconfig.mspm0"
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14 changes: 14 additions & 0 deletions drivers/pwm/Kconfig.mchp
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Original file line number Diff line number Diff line change
@@ -0,0 +1,14 @@
# Copyright (c) 2025 Microchip Technology Inc.
# SPDX-License-Identifier: Apache-2.0

menu "Microchip PWM Drivers"

config PWM_MCHP_G1_TCC
bool "Microchip TCC G1 PWM driver"
default y
depends on DT_HAS_MICROCHIP_TCC_G1_PWM_ENABLED
select PINCTRL
help
Enable the Microchip Pulse Width Modulation(PWM) driver.

endmenu
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