Commit 6c567d48 authored by Jeremy Bettis's avatar Jeremy Bettis Committed by Carles Cufi
Browse files

tests: Add unittest for gpio_ite_it8xxx2_v2 



Add a unittest for 100% of the lines in gpio_ite_it8xxx2_v2. The test
fakes the registers by overriding the ECREG macro to call a function
provided by the test.

Does not test the code guarded by
CONFIG_SOC_IT8XXX2_GPIO_GROUP_K_L_DEFAULT_PULL_DOWN

Bug #66401

Signed-off-by: default avatarJeremy Bettis <jbettis@google.com>
parent 5ceea4fb

tests/drivers/gpio/gpio_ite_it8xxx2_v2/CMakeLists.txt

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# Copyright 2023 The ChromiumOS Authors

#

# SPDX-License-Identifier: Apache-2.0



cmake_minimum_required(VERSION 3.20.0)



find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})

project(gpio_ite_it8xxx2_v2)



target_include_directories(app PRIVATE

  include

)



zephyr_include_directories(

  include

  ${ZEPHYR_BASE}/soc/riscv/riscv-ite/common

  ${ZEPHYR_BASE}/soc/riscv/riscv-ite/it8xxx2

)



target_sources(app

  PRIVATE

    src/main.c

)

tests/drivers/gpio/gpio_ite_it8xxx2_v2/Kconfig

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# Copyright 2023 The ChromiumOS Authors

#

# SPDX-License-Identifier: Apache-2.0



source "Kconfig.zephyr"



config SOC_IT8XXX2_GPIO_GROUP_K_L_DEFAULT_PULL_DOWN

	bool

	default n

config HAS_ITE_INTC

	bool

	default y

tests/drivers/gpio/gpio_ite_it8xxx2_v2/boards/native_sim.overlay

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/*

 * Copyright 2023 The ChromiumOS Authors

 *

 * SPDX-License-Identifier: Apache-2.0

 */



#include <zephyr/dt-bindings/gpio/gpio.h>

#include <zephyr/dt-bindings/interrupt-controller/ite-intc.h>

#include <zephyr/sys/util_macro.h>



/ {

        intc: interrupt-controller@f03f00 {

                compatible = "vnd,intc";

                #address-cells = <0>;

                #interrupt-cells = <2>;

                interrupt-controller;

                reg = <0x00f03f00 0x0100>;

        };



        gpioa: gpio@f01601 {

                compatible = "ite,it8xxx2-gpio-v2";

                reg = <0x00f01601 1   /* GPDR (set) */

                        0x00f01618 1   /* GPDMR (get) */

                        0x00f01630 1   /* GPOTR */

                        0x00f01648 1   /* P18SCR */

                        0x00f01660 8>; /* GPCR */

                ngpios = <8>;

                gpio-controller;

                interrupts = <9 IRQ_TYPE_LEVEL_HIGH

                                2 IRQ_TYPE_LEVEL_HIGH

                                3 IRQ_TYPE_LEVEL_HIGH

                                4 IRQ_TYPE_LEVEL_HIGH

                                5 IRQ_TYPE_LEVEL_HIGH

                                6 IRQ_TYPE_LEVEL_HIGH

                                7 IRQ_TYPE_LEVEL_HIGH

                                8 IRQ_TYPE_LEVEL_HIGH>;

                interrupt-parent = <&intc>;

                wuc-base = <0xf01b20 0xf01b20 0xf01b20 0xf01b1c

                                0xf01b1c 0xf01b1c 0xf01b1c 0xf01b24>;

                wuc-mask = <BIT(3)   BIT(4)   BIT(5)   BIT(0)

                                BIT(1)   BIT(2)   BIT(3)   BIT(4)  >;

                has-volt-sel = <1 1 1 1 1 1 1 1>;

                #gpio-cells = <2>;

        };

};

tests/drivers/gpio/gpio_ite_it8xxx2_v2/include/chip_chipregs.h

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/*

 * Copyright 2023 The ChromiumOS Authors

 *

 * SPDX-License-Identifier: Apache-2.0

 */



#include <../soc/riscv/riscv-ite/common/chip_chipregs.h>



/*

 * Macros for emulated hardware registers access.

 */

#undef ECREG

#undef ECREG_u16

#undef ECREG_u32

#define ECREG(x)		(*((volatile unsigned char *)fake_ecreg((intptr_t)x)))

#define ECREG_u16(x)		(*((volatile unsigned short *)fake_ecreg((intptr_t)x)))

#define ECREG_u32(x)		(*((volatile unsigned long  *)fake_ecreg((intptr_t)x)))



unsigned int *fake_ecreg(intptr_t r);

uint8_t ite_intc_get_irq_num(void);

tests/drivers/gpio/gpio_ite_it8xxx2_v2/include/zephyr/arch/cpu.h

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/*

 * Copyright 2023 The ChromiumOS Authors

 *

 * SPDX-License-Identifier: Apache-2.0

 */



#include <chip_chipregs.h>

#include <zephyr/arch/posix/arch.h>



int arch_irq_connect_dynamic(unsigned int irq, unsigned int priority,

		    void (*routine)(const void *parameter),

		    const void *parameter, uint32_t flags);

int arch_irq_disconnect_dynamic(unsigned int irq, unsigned int priority,

		       void (*routine)(const void *parameter),

		       const void *parameter, uint32_t flags);

typedef struct z_thread_stack_element k_thread_stack_t;

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