iut: add gpio iut test case for zephyr upstream

Signed-off-by: Kong Li <li.kong@intel.com>

zephyr/iut_test/prj.conf

@@ -28,3 +28,8 @@ CONFIG_DMA=y
 
 # I2C
 CONFIG_I2C=y
+
+#GPIO
+CONFIG_GPIO=y
+
+CONFIG_ASSERT=y

zephyr/iut_test/test_zephyr/CMakeLists.txt

@@ -10,3 +10,7 @@ endif()
 if(CONFIG_I2C_SEDI)
  target_sources(app PRIVATE i2c/test_i2c_log.c)
 endif()
+
+if(CONFIG_GPIO_SEDI)
+ target_sources(app PRIVATE gpio/test_gpio.c)
+endif()

zephyr/iut_test/test_zephyr/gpio/test_gpio.c

@@ -0,0 +1,120 @@
+/*
+ * Copyright (c) 2023 Intel Corporation.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include "iut.h"
+#include "sedi_driver_gpio.h"
+#include <zephyr/drivers/gpio.h>
+#include <zephyr/kernel.h>
+
+#define DT_DRV_COMPAT intel_sedi_gpio
+
+#define GPIO_TEST_NUM (8)
+#define GPIO_LOOP_INPUT (1)
+#define GPIO_LOOP_OUTPUT (4)
+
+#if DEBUG_GPIO
+static void dump_gpio_regs(void)
+{
+ uint32_t regs = SEDI_GPIO_0_REG_BASE;
+
+ iut_print("GPLR register is 0x%x\n", read32(regs + 0x4));
+ iut_print("GPDR register is 0x%x\n", read32(regs + 0x1C));
+ iut_print("GRER register is 0x%x\n", read32(regs + 0x64));
+ iut_print("GFER register is 0x%x\n", read32(regs + 0x7c));
+ iut_print("GIMR register is 0x%x\n", read32(regs + 0xac));
+ iut_print("GISR register is 0x%x\n", read32(regs + 0xc4));
+ iut_print("\n");
+}
+#else
+static void dump_gpio_regs(void)
+{
+}
+#endif
+
+static int test_gpio_output(int argc, char **argv)
+{
+ const struct device *gpio_dev = DEVICE_DT_GET(DT_DRV_INST(0));
+ int ret, i;
+
+ for (i = 0; i < 8; i++) {
+ iut_case_print("starting to test gpio pin %d output ...\n", i);
+
+ /* Configure gpio pin to output mode, set to high */
+ gpio_pin_configure(gpio_dev, i, GPIO_OUTPUT);
+ dump_gpio_regs();
+ gpio_pin_set_raw(gpio_dev, i, 1);
+ dump_gpio_regs();
+
+ /* Set pin to input mode and check the level */
+ gpio_pin_configure(gpio_dev, i, GPIO_INPUT);
+ dump_gpio_regs();
+ ret = gpio_pin_get_raw(gpio_dev, i);
+ TEST_ASSERT_EQUAL(1, ret);
+
+ /* Set pin to output and set to low */
+ gpio_pin_configure(gpio_dev, i, GPIO_OUTPUT);
+ dump_gpio_regs();
+ gpio_pin_set_raw(gpio_dev, i, 0);
+ dump_gpio_regs();
+
+ /* Set pin to input mode and check the level */
+ gpio_pin_configure(gpio_dev, i, GPIO_INPUT);
+ ret = gpio_pin_get_raw(gpio_dev, i);
+ dump_gpio_regs();
+ TEST_ASSERT_EQUAL(0, ret);
+
+ iut_case_print("Pin %d Test done\n", i);
+ }
+
+ return IUT_ERR_OK;
+}
+DEFINE_IUT_CASE(gpio_output, gpio, IUT_ATTRI_NONE);
+
+static struct gpio_callback gp_cb;
+static uint32_t times;
+
+static void test_callback(const struct device *port,
+ struct gpio_callback *cb,
+ gpio_port_pins_t pins)
+{
+ (void)port;
+ (void)cb;
+ times++;
+ iut_print("trigger callback %d times, pin index is 0x%x\n", times, pins);
+}
+
+static int test_gpio_loopback(int argc, char **argv)
+{
+ const struct device *gpio_dev = DEVICE_DT_GET(DT_DRV_INST(0));
+ int i;
+
+ /* Configure gpio output pin */
+ gpio_pin_configure(gpio_dev, GPIO_LOOP_OUTPUT, GPIO_OUTPUT | GPIO_OUTPUT_INIT_HIGH);
+ dump_gpio_regs();
+
+ /* Configure gpio input pin */
+ gpio_pin_configure(gpio_dev, GPIO_LOOP_INPUT, GPIO_INPUT);
+ dump_gpio_regs();
+
+ /* Enable input pin interrupts and callbacks */
+ gpio_pin_interrupt_configure(gpio_dev, GPIO_LOOP_INPUT,
+ GPIO_INT_MODE_EDGE | GPIO_INT_LOW_0);
+
+ gpio_init_callback(&gp_cb, test_callback, BIT(GPIO_LOOP_INPUT));
+ gpio_add_callback(gpio_dev, &gp_cb);
+
+ for (i = 0; i < 20; i++) {
+ gpio_pin_set(gpio_dev, GPIO_LOOP_OUTPUT, 0);
+ k_msleep(100);
+ gpio_pin_toggle(gpio_dev, GPIO_LOOP_OUTPUT);
+ k_msleep(100);
+ }
+
+
+ return IUT_ERR_OK;
+}
+
+DEFINE_IUT_CASE(gpio_loopback, gpio, IUT_ATTRI_NONE);