soc: mspm0: add power management support

drivers/gpio/gpio_mspm0.c

@@ -158,6 +158,8 @@ static int gpio_mspm0_pin_configure(const struct device *port,
 				    gpio_flags_t flags)
 {
 	const struct gpio_mspm0_config *config = port->config;
+	DL_GPIO_WAKEUP wakeup = DL_GPIO_WAKEUP_DISABLE;
+
 	/* determine pull up resistor value based on flags */
 	DL_GPIO_RESISTOR pull_res;
 
@@ -169,14 +171,25 @@ static int gpio_mspm0_pin_configure(const struct device *port,
 		pull_res = DL_GPIO_RESISTOR_NONE;
 	}
 
+	if (flags & GPIO_INT_WAKEUP) {
+		if (flags & GPIO_ACTIVE_LOW) {
+			wakeup = DL_GPIO_WAKEUP_ON_0;
+		} else {
+			wakeup = DL_GPIO_WAKEUP_ON_1;
+		}
+	}
+
 	/* Config pin based on flags */
 	switch (flags & (GPIO_INPUT | GPIO_OUTPUT)) {
 	case GPIO_INPUT:
+		if (wakeup != DL_GPIO_WAKEUP_DISABLE) {
+			DL_GPIO_enableFastWakePins(config->base, BIT(pin));
+		}
 		DL_GPIO_initDigitalInputFeatures(config->pincm_lut[pin],
 						 DL_GPIO_INVERSION_DISABLE,
 						 pull_res,
 						 DL_GPIO_HYSTERESIS_DISABLE,
-						 DL_GPIO_WAKEUP_DISABLE);
+						 wakeup);
 		DL_GPIO_disableOutput(config->base, BIT(pin));
 		break;
 	case GPIO_OUTPUT:
@@ -198,6 +211,9 @@ static int gpio_mspm0_pin_configure(const struct device *port,
 		DL_GPIO_enableOutput(config->base, BIT(pin));
 		break;
 	case GPIO_DISCONNECTED:
+		if (wakeup != DL_GPIO_WAKEUP_DISABLE) {
+			DL_GPIO_disableWakeUp(config->pincm_lut[pin]);
+		}
 		DL_GPIO_disableOutput(config->base, BIT(pin));
 		break;
 	default:

dts/arm/ti/mspm0/g/mspm0g.dtsi

@@ -106,3 +106,38 @@
 		};
 	};
 };
+
+&run1 {
+	exit-latency-us = <2>; /* 1.5us */
+	min-residency-us = <5000>;
+};
+
+&run2 {
+	exit-latency-us = <3>; /* 2.1us */
+	min-residency-us = <5000>;
+};
+
+&stop0 {
+	exit-latency-us = <13>; /* 12.1us */
+	min-residency-us = <7500>;
+};
+
+&stop1 {
+	exit-latency-us = <14>; /* 13.5us */
+	min-residency-us = <7500>;
+};
+
+&stop2 {
+	exit-latency-us = <13>; /* 12.9us */
+	min-residency-us = <7500>;
+};
+
+&stdby0 {
+	exit-latency-us = <16>; /* 15.2us */
+	min-residency-us = <10000>;
+};
+
+&stdby1 {
+	exit-latency-us = <16>; /* 15.2us */
+	min-residency-us = <10000>;
+};

dts/arm/ti/mspm0/l/mspm0l.dtsi

@@ -17,3 +17,43 @@
 		#gpio-cells = <2>;
 	};
 };
+
+&run0 {
+	exit-latency-us = <2>; /* 1.5us */
+	min-residency-us = <5000>;
+};
+
+&run1 {
+	exit-latency-us = <3>; /* 2.1us */
+	min-residency-us = <5000>;
+};
+
+&run2 {
+	exit-latency-us = <3>; /* 2.5us */
+	min-residency-us = <5000>;
+};
+
+&stop0 {
+	exit-latency-us = <13>; /* 12.5us */
+	min-residency-us = <7500>;
+};
+
+&stop1 {
+	exit-latency-us = <15>; /* 14.6us */
+	min-residency-us = <7500>;
+};
+
+&stop2 {
+	exit-latency-us = <14>; /* 13.5us */
+	min-residency-us = <7500>;
+};
+
+&stdby0 {
+	exit-latency-us = <16>; /* 15.7us */
+	min-residency-us = <10000>;
+};
+
+&stdby1 {
+	exit-latency-us = <16>; /* 15.7us */
+	min-residency-us = <10000>;
+};

dts/arm/ti/mspm0/mspm0.dtsi

@@ -20,6 +20,59 @@
 			reg = <0>;
 			#address-cells = <1>;
 			#size-cells = <1>;
+			cpu-power-states = <&run0 &run1 &run2
+					    &stop0 &stop1 &stop2
+					    &stdby0 &stdby1>;
+		};
+
+		power-states {
+			run0: runsleep0 {
+				compatible = "zephyr,power-state";
+				power-state-name = "runtime-idle";
+				substate-id = <1>;
+			};
+
+			run1: runsleep1 {
+				compatible = "zephyr,power-state";
+				power-state-name = "runtime-idle";
+				substate-id = <2>;
+			};
+
+			run2: runsleep2 {
+				compatible = "zephyr,power-state";
+				power-state-name = "runtime-idle";
+				substate-id = <3>;
+			};
+
+			stop0: stop0 {
+				compatible = "zephyr,power-state";
+				power-state-name = "suspend-to-idle";
+				substate-id = <1>;
+			};
+
+			stop1: stop1 {
+				compatible = "zephyr,power-state";
+				power-state-name = "suspend-to-idle";
+				substate-id = <2>;
+			};
+
+			stop2: stop2 {
+				compatible = "zephyr,power-state";
+				power-state-name = "suspend-to-idle";
+				substate-id = <3>;
+			};
+
+			stdby0: standby0 {
+				compatible = "zephyr,power-state";
+				power-state-name = "standby";
+				substate-id = <1>;
+			};
+
+			stdby1: standby1 {
+				compatible = "zephyr,power-state";
+				power-state-name = "standby";
+				substate-id = <2>;
+			};
 		};
 	};
 

soc/ti/mspm0/Kconfig

@@ -15,4 +15,8 @@ config MSPM0_PERIPH_STARTUP_DELAY
 	int
 	default 8
 
+config HWINFO
+	bool
+	default y if POWEROFF
+
 endif # SOC_FAMILY_TI_MSPM0

soc/ti/mspm0/common/CMakeLists.txt

@@ -2,3 +2,6 @@
 
 zephyr_sources(soc.c)
 zephyr_include_directories(.)
+
+zephyr_sources_ifdef(CONFIG_PM power.c)
+zephyr_sources_ifdef(CONFIG_POWEROFF poweroff.c)

soc/ti/mspm0/common/power.c

@@ -0,0 +1,83 @@
+/*
+ * Copyright (c) 2025 Linumiz GmbH
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <soc.h>
+#include <zephyr/init.h>
+#include <zephyr/kernel.h>
+#include <zephyr/pm/pm.h>
+#include <zephyr/logging/log.h>
+
+#include <ti/driverlib/driverlib.h>
+
+LOG_MODULE_DECLARE(soc, CONFIG_SOC_LOG_LEVEL);
+
+static void set_mode_run(uint8_t state)
+{
+	switch (state) {
+	case DL_SYSCTL_POWER_POLICY_RUN_SLEEP0:
+		DL_SYSCTL_setPowerPolicyRUN0SLEEP0();
+		break;
+	case DL_SYSCTL_POWER_POLICY_RUN_SLEEP1:
+		DL_SYSCTL_setPowerPolicyRUN1SLEEP1();
+		break;
+	case DL_SYSCTL_POWER_POLICY_RUN_SLEEP2:
+		DL_SYSCTL_setPowerPolicyRUN2SLEEP2();
+		break;
+	}
+}
+
+static void set_mode_stop(uint8_t state)
+{
+	switch (state) {
+	case DL_SYSCTL_POWER_POLICY_STOP0:
+		DL_SYSCTL_setPowerPolicySTOP0();
+		break;
+	case DL_SYSCTL_POWER_POLICY_STOP1:
+		DL_SYSCTL_setPowerPolicySTOP1();
+		break;
+	case DL_SYSCTL_POWER_POLICY_STOP2:
+		DL_SYSCTL_setPowerPolicySTOP2();
+		break;
+	}
+}
+
+static void set_mode_standby(uint8_t state)
+{
+	switch (state) {
+	case DL_SYSCTL_POWER_POLICY_STANDBY0:
+		DL_SYSCTL_setPowerPolicySTANDBY0();
+		break;
+	case DL_SYSCTL_POWER_POLICY_STANDBY1:
+		DL_SYSCTL_setPowerPolicySTANDBY1();
+		break;
+	}
+}
+
+void pm_state_set(enum pm_state state, uint8_t substate_id)
+{
+	switch (state) {
+	case PM_STATE_RUNTIME_IDLE:
+		set_mode_run(substate_id);
+		break;
+	case PM_STATE_SUSPEND_TO_IDLE:
+		set_mode_stop(substate_id);
+		break;
+	case PM_STATE_STANDBY:
+		set_mode_standby(substate_id);
+		break;
+	default:
+		LOG_DBG("Unsupported power state %u", state);
+		return;
+	}
+
+	__WFI();
+}
+
+void pm_state_exit_post_ops(enum pm_state state, uint8_t substate_id)
+{
+	DL_SYSCTL_setPowerPolicyRUN0SLEEP0();
+	irq_unlock(0);
+}

soc/ti/mspm0/common/poweroff.c

@@ -0,0 +1,40 @@
+/*
+ * Copyright (c) 2025 Linumiz GmbH
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <soc.h>
+#include <zephyr/drivers/hwinfo.h>
+#include <zephyr/kernel.h>
+#include <zephyr/sys/poweroff.h>
+#include <zephyr/toolchain.h>
+
+#include <ti/driverlib/driverlib.h>
+
+void z_sys_poweroff(void)
+{
+	DL_SYSCTL_setPowerPolicySHUTDOWN();
+	__WFI();
+
+	CODE_UNREACHABLE;
+}
+
+static int ti_mspm0_poweroff_init(void)
+{
+	int ret;
+	uint32_t rst_cause;
+
+	ret = hwinfo_get_reset_cause(&rst_cause);
+	if (ret != 0) {
+		return ret;
+	}
+
+	if (RESET_LOW_POWER_WAKE == rst_cause) {
+		DL_SYSCTL_releaseShutdownIO();
+	}
+
+	return 0;
+}
+
+SYS_INIT(ti_mspm0_poweroff_init, POST_KERNEL, 0);

soc/ti/mspm0/mspm0g/Kconfig

@@ -13,5 +13,7 @@ config SOC_SERIES_MSPM0G
 	select BUILD_OUTPUT_BIN
 	select BUILD_OUTPUT_HEX
 	select HAS_MSPM0_SDK
+	select HAS_PM
+	select HAS_POWEROFF
 	select CLOCK_CONTROL
 	select SOC_EARLY_INIT_HOOK

soc/ti/mspm0/mspm0l/Kconfig

@@ -12,6 +12,8 @@ config SOC_SERIES_MSPM0L
 	select BUILD_OUTPUT_BIN
 	select BUILD_OUTPUT_HEX
 	select HAS_MSPM0_SDK
+	select HAS_PM
+	select HAS_POWEROFF
 	select CLOCK_CONTROL
 	select SOC_EARLY_INIT_HOOK
 

west.yml

@@ -260,7 +260,7 @@ manifest:
       groups:
         - hal
     - name: hal_ti
-      revision: 391f7cb740b59c077ddd49411f043161597b10aa
+      revision: d0628446c830c25522bd1999234a77b4841016fa
       path: modules/hal/ti
       groups:
         - hal