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drivers: interrupt controller: Add support for RZ/N2L

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Add interrupt controller driver support for RZ/N2L

Signed-off-by: Quang Le <quang.le.eb@bp.renesas.com>
Signed-off-by: Nhut Nguyen <nhut.nguyen.kc@renesas.com>
This commit is contained in:
Quang Le 2025-02-10 05:47:22 +00:00 • committed by Benjamin Cabé
commit 020a0d312c
5 changed files with 259 additions and 13 deletions
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91
drivers/interrupt_controller/intc_renesas_rz_ext_irq.c
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 2024 Renesas Electronics Corporation
* Copyright (c) 2024-2025 Renesas Electronics Corporation
*
* SPDX-License-Identifier: Apache-2.0
*/
@ -9,12 +9,17 @@
#include <zephyr/device.h>
#include <zephyr/devicetree.h>
#include <zephyr/kernel.h>
#include <zephyr/irq.h>
#include <zephyr/drivers/pinctrl.h>
#include <zephyr/irq.h>
#include <zephyr/logging/log.h>
#if defined(CONFIG_SOC_SERIES_RZG3S)
#include <instances/rzg/r_intc_irq.h>
#include <instances/rzg/r_intc_nmi.h>
#elif defined(CONFIG_SOC_SERIES_RZN2L)
#include <instances/rzn/r_icu.h>
#endif /* CONFIG_SOC_SERIES_* */
#include <zephyr/drivers/interrupt_controller/intc_rz_ext_irq.h>
#include <zephyr/dt-bindings/interrupt-controller/arm-gic.h>
LOG_MODULE_REGISTER(rz_ext_irq, CONFIG_INTC_LOG_LEVEL);
@ -31,8 +36,12 @@ struct intc_rz_ext_irq_data {
};
/* FSP interruption handlers. */
#if defined(CONFIG_SOC_SERIES_RZG3S)
void r_intc_irq_isr(void);
void r_intc_nmi_isr(void);
#elif defined(CONFIG_SOC_SERIES_RZN2L)
void r_icu_isr(void);
#endif /* CONFIG_SOC_SERIES_* */
int intc_rz_ext_irq_enable(const struct device *dev)
{
@ -74,6 +83,29 @@ int intc_rz_ext_irq_set_callback(const struct device *dev, intc_rz_ext_irq_callb
return 0;
}
int intc_rz_ext_irq_set_type(const struct device *dev, uint8_t trig)
{
const struct intc_rz_ext_irq_config *config = dev->config;
struct intc_rz_ext_irq_data *data = dev->data;
fsp_err_t err = FSP_SUCCESS;
external_irq_cfg_t *p_cfg = (external_irq_cfg_t *)config->fsp_cfg;
p_cfg->trigger = (external_irq_trigger_t)trig;
err = config->fsp_api->close(data->fsp_ctrl);
if (err != FSP_SUCCESS) {
return -EIO;
}
err = config->fsp_api->open(data->fsp_ctrl, config->fsp_cfg);
if (err != FSP_SUCCESS) {
return -EIO;
}
return 0;
}
static int intc_rz_ext_irq_init(const struct device *dev)
{
const struct intc_rz_ext_irq_config *config = dev->config;
@ -109,16 +141,22 @@ static void intc_rz_ext_irq_callback(external_irq_callback_args_t *args)
}
}
#define EXT_IRQ_RZG_IRQ_CONNECT(index, isr, isr_nmi) \
#ifdef CONFIG_CPU_CORTEX_M
#define GET_IRQ_FLAGS(index) 0
#else /* Cortex-A/R */
#define GET_IRQ_FLAGS(index) DT_INST_IRQ_BY_IDX(index, 0, flags)
#endif
#define EXT_IRQ_RZ_IRQ_CONNECT(index, isr, isr_nmi) \
IRQ_CONNECT(DT_INST_IRQ_BY_IDX(index, 0, irq), DT_INST_IRQ_BY_IDX(index, 0, priority), \
COND_CODE_0(DT_INST_IRQ_BY_IDX(index, 0, irq), \
(isr_nmi), (isr)), NULL, 0);
(isr_nmi), (isr)), NULL, GET_IRQ_FLAGS(index));
#define INTC_RZG_EXT_IRQ_INIT(index) \
static const external_irq_cfg_t g_external_irq##index##_cfg = { \
.trigger = DT_INST_ENUM_IDX_OR(index, trigger_type, 0), \
.filter_enable = true, \
.pclk_div = EXTERNAL_IRQ_PCLK_DIV_BY_1, \
.clock_source_div = EXTERNAL_IRQ_CLOCK_SOURCE_DIV_1, \
.p_callback = intc_rz_ext_irq_callback, \
.p_context = DEVICE_DT_INST_GET(index), \
.p_extend = NULL, \
@ -149,7 +187,7 @@ static void intc_rz_ext_irq_callback(external_irq_callback_args_t *args)
\
static int intc_rz_ext_irq_init_##index(const struct device *dev) \
{ \
EXT_IRQ_RZG_IRQ_CONNECT(index, r_intc_irq_isr, r_intc_nmi_isr) \
EXT_IRQ_RZ_IRQ_CONNECT(index, r_intc_irq_isr, r_intc_nmi_isr) \
return intc_rz_ext_irq_init(dev); \
}; \
\
@ -157,4 +195,45 @@ static void intc_rz_ext_irq_callback(external_irq_callback_args_t *args)
&intc_rz_ext_irq_data##index, &intc_rz_ext_irq_config##index, \
PRE_KERNEL_1, CONFIG_INTC_INIT_PRIORITY, NULL);
#define INTC_RZTN_EXT_IRQ_INIT(index) \
static const external_irq_cfg_t g_external_irq##index##_cfg = { \
.trigger = DT_INST_ENUM_IDX_OR(index, trigger_type, 0), \
.filter_enable = true, \
.clock_source_div = EXTERNAL_IRQ_CLOCK_SOURCE_DIV_1, \
.p_callback = intc_rz_ext_irq_callback, \
.p_context = DEVICE_DT_INST_GET(index), \
.p_extend = NULL, \
.ipl = DT_INST_IRQ_BY_IDX(index, 0, priority), \
.irq = DT_INST_IRQ_BY_IDX(index, 0, irq), \
.channel = DT_INST_REG_ADDR(index), \
}; \
\
PINCTRL_DT_INST_DEFINE(index); \
\
struct intc_rz_ext_irq_config intc_rz_ext_irq_config##index = { \
.pin_config = PINCTRL_DT_INST_DEV_CONFIG_GET(index), \
.fsp_cfg = (external_irq_cfg_t *)&g_external_irq##index##_cfg, \
.fsp_api = &g_external_irq_on_icu, \
}; \
\
icu_instance_ctrl_t g_external_irq##index##_ctrl; \
\
static struct intc_rz_ext_irq_data intc_rz_ext_irq_data##index = { \
.fsp_ctrl = (icu_instance_ctrl_t *)&g_external_irq##index##_ctrl, \
}; \
\
static int intc_rz_ext_irq_init_##index(const struct device *dev) \
{ \
EXT_IRQ_RZ_IRQ_CONNECT(index, r_icu_isr, NULL); \
return intc_rz_ext_irq_init(dev); \
}; \
\
DEVICE_DT_INST_DEFINE(index, intc_rz_ext_irq_init_##index, NULL, \
&intc_rz_ext_irq_data##index, &intc_rz_ext_irq_config##index, \
PRE_KERNEL_1, CONFIG_INTC_INIT_PRIORITY, NULL);
#if defined(CONFIG_SOC_SERIES_RZG3S)
DT_INST_FOREACH_STATUS_OKAY(INTC_RZG_EXT_IRQ_INIT)
#elif defined(CONFIG_SOC_SERIES_RZN2L)
DT_INST_FOREACH_STATUS_OKAY(INTC_RZTN_EXT_IRQ_INIT)
#endif

151
dts/arm/renesas/rz/rzn/r9a07g084.dtsi
View file

@ -88,6 +88,157 @@
};
};
icu: icu@81048000 {
reg = <0x81048000 0x1000>;
interrupt-parent = <&gic>;
#address-cells = <1>;
#size-cells = <0>;
irq0: irq0@0 {
compatible = "renesas,rz-ext-irq";
reg = <0x0>;
interrupts = <GIC_SPI 6 IRQ_TYPE_EDGE IRQ_DEFAULT_PRIORITY>;
interrupt-controller;
#interrupt-cells = <2>;
status = "disabled";
};
irq1: irq@1 {
compatible = "renesas,rz-ext-irq";
reg = <0x1>;
interrupts = <GIC_SPI 7 IRQ_TYPE_EDGE IRQ_DEFAULT_PRIORITY>;
interrupt-controller;
#interrupt-cells = <2>;
status = "disabled";
};
irq2: irq@2 {
compatible = "renesas,rz-ext-irq";
reg = <0x2>;
interrupts = <GIC_SPI 8 IRQ_TYPE_EDGE IRQ_DEFAULT_PRIORITY>;
interrupt-controller;
#interrupt-cells = <2>;
status = "disabled";
};
irq3: irq@3 {
compatible = "renesas,rz-ext-irq";
reg = <0x3>;
interrupts = <GIC_SPI 9 IRQ_TYPE_EDGE IRQ_DEFAULT_PRIORITY>;
interrupt-controller;
#interrupt-cells = <2>;
status = "disabled";
};
irq4: irq@4 {
compatible = "renesas,rz-ext-irq";
reg = <0x4>;
interrupts = <GIC_SPI 10 IRQ_TYPE_EDGE IRQ_DEFAULT_PRIORITY>;
interrupt-controller;
#interrupt-cells = <2>;
status = "disabled";
};
irq5: irq@5 {
compatible = "renesas,rz-ext-irq";
reg = <0x5>;
interrupts = <GIC_SPI 11 IRQ_TYPE_EDGE IRQ_DEFAULT_PRIORITY>;
interrupt-controller;
#interrupt-cells = <2>;
status = "disabled";
};
irq6: irq@6 {
compatible = "renesas,rz-ext-irq";
reg = <0x6>;
interrupts = <GIC_SPI 12 IRQ_TYPE_EDGE IRQ_DEFAULT_PRIORITY>;
interrupt-controller;
#interrupt-cells = <2>;
status = "disabled";
};
irq7: irq@7 {
compatible = "renesas,rz-ext-irq";
reg = <0x7>;
interrupts = <GIC_SPI 13 IRQ_TYPE_EDGE IRQ_DEFAULT_PRIORITY>;
interrupt-controller;
#interrupt-cells = <2>;
status = "disabled";
};
irq8: irq@8 {
compatible = "renesas,rz-ext-irq";
reg = <0x8>;
interrupts = <GIC_SPI 14 IRQ_TYPE_EDGE IRQ_DEFAULT_PRIORITY>;
interrupt-controller;
#interrupt-cells = <2>;
status = "disabled";
};
irq9: irq@9 {
compatible = "renesas,rz-ext-irq";
reg = <0x9>;
interrupts = <GIC_SPI 15 IRQ_TYPE_EDGE IRQ_DEFAULT_PRIORITY>;
interrupt-controller;
#interrupt-cells = <2>;
status = "disabled";
};
irq10: irq@a {
compatible = "renesas,rz-ext-irq";
reg = <0xa>;
interrupts = <GIC_SPI 16 IRQ_TYPE_EDGE IRQ_DEFAULT_PRIORITY>;
interrupt-controller;
#interrupt-cells = <2>;
status = "disabled";
};
irq11: irq@b {
compatible = "renesas,rz-ext-irq";
reg = <0xb>;
interrupts = <GIC_SPI 17 IRQ_TYPE_EDGE IRQ_DEFAULT_PRIORITY>;
interrupt-controller;
#interrupt-cells = <2>;
status = "disabled";
};
irq12: irq@c {
compatible = "renesas,rz-ext-irq";
reg = <0xc>;
interrupts = <GIC_SPI 18 IRQ_TYPE_EDGE IRQ_DEFAULT_PRIORITY>;
interrupt-controller;
#interrupt-cells = <2>;
status = "disabled";
};
irq13: irq@d {
compatible = "renesas,rz-ext-irq";
reg = <0xd>;
interrupts = <GIC_SPI 19 IRQ_TYPE_EDGE IRQ_DEFAULT_PRIORITY>;
interrupt-controller;
#interrupt-cells = <2>;
status = "disabled";
};
irq14: irq@e {
compatible = "renesas,rz-ext-irq";
reg = <0xe>;
interrupts = <GIC_SPI 394 IRQ_TYPE_EDGE IRQ_DEFAULT_PRIORITY>;
interrupt-controller;
#interrupt-cells = <2>;
status = "disabled";
};
irq15: irq@f {
compatible = "renesas,rz-ext-irq";
reg = <0xf>;
interrupts = <GIC_SPI 395 IRQ_TYPE_EDGE IRQ_DEFAULT_PRIORITY>;
interrupt-controller;
#interrupt-cells = <2>;
status = "disabled";
};
};
pinctrl: pinctrl@800a0000 {
compatible = "renesas,rzn-pinctrl";
reg = <0x800a0000 0x1000 0x81030c00 0x1000>;

5
dts/bindings/interrupt-controller/renesas,rz-ext-irq.yaml
View file

@ -1,16 +1,13 @@
# Copyright (c) 2024 Renesas Electronics Corporation
# SPDX-License-Identifier: Apache-2.0
description: Renesas RZG external interrupt controller
description: Renesas RZ external interrupt controller
compatible: "renesas,rz-ext-irq"
include: [interrupt-controller.yaml, base.yaml, pinctrl-device.yaml]
properties:
"#address-cells":
const: 0
"#interrupt-cells":
const: 2

20
include/zephyr/drivers/interrupt_controller/intc_rz_ext_irq.h
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 2024 Renesas Electronics Corporation
* Copyright (c) 2024-2025 Renesas Electronics Corporation
*
* SPDX-License-Identifier: Apache-2.0
*/
@ -7,11 +7,16 @@
#ifndef ZEPHYR_DRIVERS_INTERRUPT_CONTROLLER_INTC_RZ_EXT_IRQ_H_
#define ZEPHYR_DRIVERS_INTERRUPT_CONTROLLER_INTC_RZ_EXT_IRQ_H_
#define RZ_EXT_IRQ_TRIG_FALLING 0
#define RZ_EXT_IRQ_TRIG_RISING 1
#define RZ_EXT_IRQ_TRIG_BOTH_EDGE 2
#define RZ_EXT_IRQ_TRIG_LEVEL_LOW 3
/** RZ external interrupt callback */
typedef void (*intc_rz_ext_irq_callback_t)(void *arg);
/**
* @brief Enable external interrupt for specified channel at NVIC.
* @brief Enable external interrupt for specified channel.
*
* @param dev: pointer to interrupt controller instance
* @return 0 on success, or negative value on error
@ -19,7 +24,7 @@ typedef void (*intc_rz_ext_irq_callback_t)(void *arg);
int intc_rz_ext_irq_enable(const struct device *dev);
/**
* @brief Disable external interrupt for specified channel at NVIC.
* @brief Disable external interrupt for specified channel.
*
* @param dev: pointer to interrupt controller instance
* @return 0 on success, or negative value on error
@ -37,4 +42,13 @@ int intc_rz_ext_irq_disable(const struct device *dev);
int intc_rz_ext_irq_set_callback(const struct device *dev, intc_rz_ext_irq_callback_t cb,
void *arg);
/**
* @brief Change trigger external interrupt type for specified channel.
*
* @param dev: pointer to interrupt controller instance
* @param trig: trigger type to be changed
* @return 0 on success, or negative value on error
*/
int intc_rz_ext_irq_set_type(const struct device *dev, uint8_t trig);
#endif /* ZEPHYR_DRIVERS_INTERRUPT_CONTROLLER_INTC_RZ_EXT_IRQ_H_ */

5
modules/Kconfig.renesas_fsp
View file

@ -218,4 +218,9 @@ config USE_RZ_FSP_SCI_UART
help
Enable RZ FSP SCI UART driver
config USE_RZ_FSP_EXT_IRQ
bool
help
Enable RZ FSP External IRQ driver
endif