drivers: sensors: qdec_sam: Update to use clock control

This update Atmel SAM QDEC driver to use clock control driver.

Signed-off-by: Gerson Fernando Budke <[email protected]>

Author: nandojve

boards/arm/sam_e70_xplained/sam_e70_xplained.dts

@@ -1,7 +1,7 @@
 /*
  * Copyright (c) 2017 Piotr Mienkowski
  * Copyright (c) 2017 Justin Watson
- * Copyright (c) 2020 Gerson Fernando Budke <[email protected]>
+ * Copyright (c) 2020-2023 Gerson Fernando Budke <[email protected]>
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -15,3 +15,11 @@
 	model = "Atmel SAM E70 Xplained board";
 	compatible = "atmel,sam_e70_xplained", "atmel,same70q21", "atmel,same70";
 };
+
+&tc0 {
+	status = "okay";
+	compatible = "atmel,sam-tc-qdec";
+
+	pinctrl-0 = <&tc0_qdec_default>;
+	pinctrl-names = "default";
+};

drivers/sensor/qdec_sam/qdec_sam.c

@@ -18,15 +18,16 @@
 #include <soc.h>
 #include <zephyr/drivers/sensor.h>
 #include <zephyr/drivers/pinctrl.h>
+#include <zephyr/drivers/clock_control/atmel_sam_pmc.h>
 
 #include <zephyr/logging/log.h>
 LOG_MODULE_REGISTER(qdec_sam, CONFIG_SENSOR_LOG_LEVEL);
 
 /* Device constant configuration parameters */
 struct qdec_sam_dev_cfg {
 	Tc *regs;
+	const struct atmel_sam_pmc_config clock_cfg[TCCHANNEL_NUMBER];
 	const struct pinctrl_dev_config *pcfg;
-	uint8_t periph_id[TCCHANNEL_NUMBER];
 };
 
 /* Device run time data */
@@ -103,9 +104,10 @@ static int qdec_sam_initialize(const struct device *dev)
 		return retval;
 	}
 
-	for (int i = 0; i < ARRAY_SIZE(dev_cfg->periph_id); i++) {
-		/* Enable module's clock */
-		soc_pmc_peripheral_enable(dev_cfg->periph_id[i]);
+	for (int i = 0; i < ARRAY_SIZE(dev_cfg->clock_cfg); i++) {
+		/* Enable TC clock in PMC */
+		(void)clock_control_on(SAM_DT_PMC_CONTROLLER,
+				       (clock_control_subsys_t *)&dev_cfg->clock_cfg[i]);
 	}
 
 	qdec_sam_configure(dev);
@@ -125,7 +127,7 @@ static const struct sensor_driver_api qdec_sam_driver_api = {
 	static const struct qdec_sam_dev_cfg qdec##n##_sam_config = {	\
 		.regs = (Tc *)DT_INST_REG_ADDR(n),			\
 		.pcfg = PINCTRL_DT_INST_DEV_CONFIG_GET(n),		\
-		.periph_id = DT_INST_PROP(n, peripheral_id),		\
+		.clock_cfg = SAM_DT_INST_CLOCKS_PMC_CFG(n),		\
 	};								\
 									\
 	static struct qdec_sam_dev_data qdec##n##_sam_data;		\

dts/bindings/sensor/atmel,sam-tc-qdec.yaml

@@ -15,7 +15,5 @@ properties:
   interrupts:
     required: true
 
-  peripheral-id:
-    type: array
-    description: peripheral ID
+  clocks:
     required: true