5  * SPDX-License-Identifier: Apache-2.0
60 	const struct ps2_xec_config * const cfg = dev->config;  in ps2_xec_slp_en_clr()
62 	z_mchp_xec_pcr_periph_sleep(cfg->pcr_idx, cfg->pcr_pos, 0);  in ps2_xec_slp_en_clr()
82 	const struct ps2_xec_config * const cfg = dev->config;  in ps2_xec_slp_en_clr()
84 	if (cfg->pcr_pos == MCHP_PCR3_PS2_0_POS) {  in ps2_xec_slp_en_clr()
110 	const struct ps2_xec_config * const config = dev->config;  in ps2_xec_configure()
111 	struct ps2_xec_data * const data = dev->data;  in ps2_xec_configure()
112 	struct ps2_regs * const regs = config->regs;  in ps2_xec_configure()
117 		return -EINVAL;  in ps2_xec_configure()
120 	data->callback_isr = callback_isr;  in ps2_xec_configure()
127 	temp = regs->TRX_BUFF;  in ps2_xec_configure()
128 	regs->STATUS = MCHP_PS2_STATUS_RW1C_MASK;  in ps2_xec_configure()
130 	ps2_xec_girq_clr(config->girq_id, config->girq_bit);  in ps2_xec_configure()
133 	regs->CTRL = MCHP_PS2_CTRL_EN_POS;  in ps2_xec_configure()
138 	ps2_xec_girq_en(config->girq_id, config->girq_bit);  in ps2_xec_configure()
140 	k_sem_give(&data->tx_lock);  in ps2_xec_configure()
148 	const struct ps2_xec_config * const config = dev->config;  in ps2_xec_write()
149 	struct ps2_xec_data * const data = dev->data;  in ps2_xec_write()
150 	struct ps2_regs * const regs = config->regs;  in ps2_xec_write()
155 	if (k_sem_take(&data->tx_lock, K_NO_WAIT)) {  in ps2_xec_write()
156 		return -EACCES;  in ps2_xec_write()
164 	while (((regs->STATUS &  in ps2_xec_write()
173 		return -ETIMEDOUT;  in ps2_xec_write()
179 	regs->CTRL = 0x00;  in ps2_xec_write()
182 	temp = regs->TRX_BUFF;  in ps2_xec_write()
184 	regs->STATUS = MCHP_PS2_STATUS_RW1C_MASK;  in ps2_xec_write()
187 	regs->CTRL = MCHP_PS2_CTRL_TR_TX | MCHP_PS2_CTRL_EN;  in ps2_xec_write()
190 	regs->TRX_BUFF = value;  in ps2_xec_write()
192 	k_sem_give(&data->tx_lock);  in ps2_xec_write()
199 	const struct ps2_xec_config * const config = dev->config;  in ps2_xec_inhibit_interface()
200 	struct ps2_xec_data * const data = dev->data;  in ps2_xec_inhibit_interface()
201 	struct ps2_regs * const regs = config->regs;  in ps2_xec_inhibit_interface()
203 	if (k_sem_take(&data->tx_lock, K_MSEC(10)) != 0) {  in ps2_xec_inhibit_interface()
204 		return -EACCES;  in ps2_xec_inhibit_interface()
207 	regs->CTRL = 0x00;  in ps2_xec_inhibit_interface()
208 	regs->STATUS = MCHP_PS2_STATUS_RW1C_MASK;  in ps2_xec_inhibit_interface()
209 	ps2_xec_girq_clr(config->girq_id, config->girq_bit);  in ps2_xec_inhibit_interface()
210 	NVIC_ClearPendingIRQ(config->isr_nvic);  in ps2_xec_inhibit_interface()
212 	k_sem_give(&data->tx_lock);  in ps2_xec_inhibit_interface()
219 	const struct ps2_xec_config * const config = dev->config;  in ps2_xec_enable_interface()
220 	struct ps2_xec_data * const data = dev->data;  in ps2_xec_enable_interface()
221 	struct ps2_regs * const regs = config->regs;  in ps2_xec_enable_interface()
223 	ps2_xec_girq_clr(config->girq_id, config->girq_bit);  in ps2_xec_enable_interface()
224 	regs->CTRL = MCHP_PS2_CTRL_EN;  in ps2_xec_enable_interface()
226 	k_sem_give(&data->tx_lock);  in ps2_xec_enable_interface()
234 	const struct ps2_xec_config *const devcfg = dev->config;  in ps2_xec_pm_action()
235 	struct ps2_regs * const regs = devcfg->regs;  in ps2_xec_pm_action()
240 		if (devcfg->wakeup_source) {  in ps2_xec_pm_action()
244 			if (devcfg->wakerx_gpio.port != NULL) {  in ps2_xec_pm_action()
246 						&devcfg->wakerx_gpio,  in ps2_xec_pm_action()
253 			ps2_xec_girq_dis(devcfg->girq_id_wk, devcfg->girq_bit_wk);  in ps2_xec_pm_action()
254 			ps2_xec_girq_clr(devcfg->girq_id_wk, devcfg->girq_bit_wk);  in ps2_xec_pm_action()
256 			ret = pinctrl_apply_state(devcfg->pcfg, PINCTRL_STATE_DEFAULT);  in ps2_xec_pm_action()
257 			regs->CTRL |= MCHP_PS2_CTRL_EN;  in ps2_xec_pm_action()
261 		if (devcfg->wakeup_source) {  in ps2_xec_pm_action()
265 			ps2_xec_girq_clr(devcfg->girq_id_wk, devcfg->girq_bit_wk);  in ps2_xec_pm_action()
266 			ps2_xec_girq_en(devcfg->girq_id_wk, devcfg->girq_bit_wk);  in ps2_xec_pm_action()
267 			if (devcfg->wakerx_gpio.port != NULL) {  in ps2_xec_pm_action()
269 					&devcfg->wakerx_gpio,  in ps2_xec_pm_action()
277 			regs->CTRL &= ~MCHP_PS2_CTRL_EN;  in ps2_xec_pm_action()
279 			 * not define pinctrl-1 for this node.  in ps2_xec_pm_action()
281 			ret = pinctrl_apply_state(devcfg->pcfg, PINCTRL_STATE_SLEEP);  in ps2_xec_pm_action()
282 			if (ret == -ENOENT) { /* pinctrl-1 does not exist.  */  in ps2_xec_pm_action()
288 		ret = -ENOTSUP;  in ps2_xec_pm_action()
297 	const struct ps2_xec_config * const config = dev->config;  in ps2_xec_isr()
298 	struct ps2_xec_data * const data = dev->data;  in ps2_xec_isr()
299 	struct ps2_regs * const regs = config->regs;  in ps2_xec_isr()
303 	status = regs->STATUS;  in ps2_xec_isr()
306 	ps2_xec_girq_clr(config->girq_id, config->girq_bit);  in ps2_xec_isr()
311 		regs->CTRL = 0x00;  in ps2_xec_isr()
312 		if (data->callback_isr) {  in ps2_xec_isr()
313 			data->callback_isr(dev, regs->TRX_BUFF);  in ps2_xec_isr()
320 		regs->STATUS = MCHP_PS2_STATUS_RW1C_MASK;  in ps2_xec_isr()
327 		regs->STATUS = MCHP_PS2_STATUS_RW1C_MASK;  in ps2_xec_isr()
337 	regs->CTRL = MCHP_PS2_CTRL_EN;  in ps2_xec_isr()
350 	const struct ps2_xec_config * const cfg = dev->config;  in ps2_xec_init()
351 	struct ps2_xec_data * const data = dev->data;  in ps2_xec_init()
352 	int ret = pinctrl_apply_state(cfg->pcfg, PINCTRL_STATE_DEFAULT);  in ps2_xec_init()
360 	k_sem_init(&data->tx_lock, 0, 1);  in ps2_xec_init()
362 	cfg->irq_config_func();  in ps2_xec_init()
371  *	wakerx-gpios = <MCHP_GPIO_DECODE_115 GPIO_ACTIVE_HIGH>
372  *	wakeup-source;