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UPSTREAM-PEND: Introduce TI EHRPWM/EPWM driver #29

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Merged
soumya-TI merged 5 commits into from
Apr 15, 2026
Merged

UPSTREAM-PEND: Introduce TI EHRPWM/EPWM driver #29

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8fc2d2d
UPSTREAM-PEND: drivers: syscon: use uint32_t for register offsets
natto1784 Mar 26, 2026
1cb5c42
UPSTREAM-PEND: dts: ti,control-module: add epwm-tbclk space-specifier
natto1784 Mar 26, 2026
a23e4b4
UPSTREAM-PEND: drivers: pwm: introduce ti_am3352_ehrpwm
natto1784 Mar 26, 2026
f1ae5f1
UPSTREAM-PEND: am243x_evm: am2434: r5f0_0: add support for TI EPWM
natto1784 Mar 26, 2026
cd4bb48
UPSTREAM-PEND: am62l_evm: am62l3: a53: add support for TI EPWM
natto1784 Mar 26, 2026
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8 changes: 8 additions & 0 deletions boards/ti/am243x_evm/am243x_evm_am2434_r5f0_0-pinctrl.dtsi
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Expand Up @@ -160,6 +160,14 @@
main_ecap0_in: ecap0_in_default {
pinmux = <K3_PINMUX(0x270, PIN_INPUT, MUX_MODE_0)>; /* (D18) ECAP0_IN_APWM_OUT */
};

main_epwm0_a: epwm0_a_default {
pinmux = <K3_PINMUX(0x48, PIN_OUTPUT, MUX_MODE_3)>; /* (U20) EHRPWM0_A */
};

main_epwm0_b: epwm0_b_default {
pinmux = <K3_PINMUX(0x4C, PIN_OUTPUT, MUX_MODE_3)>; /* (U18) EHRPWM0_A */
};
};

&mcu_pinctrl {
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6 changes: 6 additions & 0 deletions boards/ti/am243x_evm/am243x_evm_am2434_r5f0_0.dts
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Expand Up @@ -291,3 +291,9 @@
pinctrl-names = "default";
status = "okay";
};

&main_epwm0 {
pinctrl-0 = <&main_epwm0_a &main_epwm0_b>;
pinctrl-names = "default";
status = "okay";
};
8 changes: 8 additions & 0 deletions boards/ti/am62l_evm/am62l_evm_am62l3_a53-pinctrl.dtsi
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Expand Up @@ -165,6 +165,14 @@
pinmux = <K3_PINMUX(0x078, PIN_INPUT, MUX_MODE_5)>; /* (L22) ECAP0_IN_APWM_OUT */
};

main_epwm0_a: epwm0_a_default {
pinmux = <K3_PINMUX(0x0ac, PIN_OUTPUT, MUX_MODE_4)>; /* (G22) EHRPWM0_A */
};

main_epwm0_b: epwm0_b_default {
pinmux = <K3_PINMUX(0x0b0, PIN_OUTPUT, MUX_MODE_4)>; /* (F22) EHRPWM0_B */
};

main_gpio0_3_led: main_gpio0_led_default {
pinmux = <K3_PINMUX(0x0238, PIN_OUTPUT, MUX_MODE_7)>; /* (D6) MMC1_SDWP */
};
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6 changes: 6 additions & 0 deletions boards/ti/am62l_evm/am62l_evm_am62l3_a53.dts
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Expand Up @@ -160,6 +160,12 @@
status = "okay";
};

&main_epwm0 {
pinctrl-0 = <&main_epwm0_a &main_epwm0_b>;
pinctrl-names = "default";
status = "okay";
};

&main_rtc0 {
status = "okay";
};
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1 change: 1 addition & 0 deletions drivers/pwm/CMakeLists.txt
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Expand Up @@ -70,3 +70,4 @@ zephyr_library_sources_ifdef(CONFIG_PWM_CAPTURE pwm_capture.c)
zephyr_library_sources_ifdef(CONFIG_PWM_SHELL pwm_shell.c)
zephyr_library_sources_ifdef(CONFIG_PWM_REALTEK_RTS5912 pwm_realtek_rts5912.c)
zephyr_library_sources_ifdef(CONFIG_PWM_TI_AM3352_ECAP pwm_ti_am3352_ecap.c)
zephyr_library_sources_ifdef(CONFIG_PWM_TI_AM3352_EHRPWM pwm_ti_am3352_ehrpwm.c)
2 changes: 2 additions & 0 deletions drivers/pwm/Kconfig
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Expand Up @@ -144,4 +144,6 @@ source "drivers/pwm/Kconfig.ambiq_timer"

source "drivers/pwm/Kconfig.ti_am3352_ecap"

source "drivers/pwm/Kconfig.ti_am3352_ehrpwm"

endif # PWM
12 changes: 12 additions & 0 deletions drivers/pwm/Kconfig.ti_am3352_ehrpwm
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@@ -0,0 +1,12 @@
# SPDX-FileCopyrightText: Copyright (c) 2026 Texas Instruments
# SPDX-License-Identifier: Apache-2.0

config PWM_TI_AM3352_EHRPWM
bool "TI EHRPWM based PWM controller"
default y
depends on DT_HAS_TI_AM3352_EHRPWM_ENABLED
depends on CLOCK_CONTROL
select PINCTRL
select SYSCON
help
Enable EHRPWM controller for TI SoCs
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