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drivers: interrupt controller: Initial support for RZ/G3S
Add interrupt controller driver support for Renesas RZ/G3S Signed-off-by: Hoang Nguyen <hoang.nguyen.jx@bp.renesas.com> Signed-off-by: Nhut Nguyen <nhut.nguyen.kc@renesas.com>
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drivers/interrupt_controller/CMakeLists.txt

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@@ -41,6 +41,7 @@ zephyr_library_sources_ifdef(CONFIG_NXP_S32_WKPU intc_wkpu_nxp_s32.c)
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zephyr_library_sources_ifdef(CONFIG_XMC4XXX_INTC intc_xmc4xxx.c)
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zephyr_library_sources_ifdef(CONFIG_NXP_PINT intc_nxp_pint.c)
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zephyr_library_sources_ifdef(CONFIG_RENESAS_RA_ICU intc_renesas_ra_icu.c)
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zephyr_library_sources_ifdef(CONFIG_RENESAS_RZ_EXT_IRQ intc_renesas_rz_ext_irq.c)
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zephyr_library_sources_ifdef(CONFIG_NXP_IRQSTEER intc_nxp_irqsteer.c)
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zephyr_library_sources_ifdef(CONFIG_INTC_MTK_ADSP intc_mtk_adsp.c)
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zephyr_library_sources_ifdef(CONFIG_WCH_PFIC intc_wch_pfic.c)

drivers/interrupt_controller/Kconfig

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@@ -104,6 +104,8 @@ source "drivers/interrupt_controller/Kconfig.vim"
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source "drivers/interrupt_controller/Kconfig.renesas_ra"
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source "drivers/interrupt_controller/Kconfig.renesas_rz"
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source "drivers/interrupt_controller/Kconfig.nxp_irqsteer"
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source "drivers/interrupt_controller/Kconfig.mtk_adsp"
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# Copyright (c) 2024 Renesas Electronics Corporation
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# SPDX-License-Identifier: Apache-2.0
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config RENESAS_RZ_EXT_IRQ
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bool "Renesas RZ external interrupt controller driver"
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default y
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depends on DT_HAS_RENESAS_RZ_EXT_IRQ_ENABLED
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select USE_RZ_FSP_EXT_IRQ
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select PINCTRL
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help
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Renesas RZ external interrupt controller driver
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/*
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* Copyright (c) 2024 Renesas Electronics Corporation
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#define DT_DRV_COMPAT renesas_rz_ext_irq
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#include <zephyr/device.h>
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#include <zephyr/devicetree.h>
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#include <zephyr/kernel.h>
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#include <zephyr/irq.h>
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#include <zephyr/drivers/pinctrl.h>
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#include <zephyr/logging/log.h>
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#include <instances/rzg/r_intc_irq.h>
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#include <instances/rzg/r_intc_nmi.h>
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#include <zephyr/drivers/interrupt_controller/intc_rz_ext_irq.h>
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LOG_MODULE_REGISTER(rz_ext_irq, CONFIG_INTC_LOG_LEVEL);
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struct intc_rz_ext_irq_config {
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const struct pinctrl_dev_config *pin_config;
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const external_irq_cfg_t *fsp_cfg;
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const external_irq_api_t *fsp_api;
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};
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struct intc_rz_ext_irq_data {
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external_irq_ctrl_t *fsp_ctrl;
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intc_rz_ext_irq_callback_t callback;
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void *callback_data;
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};
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/* FSP interruption handlers. */
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void r_intc_irq_isr(void);
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void r_intc_nmi_isr(void);
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int intc_rz_ext_irq_enable(const struct device *dev)
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{
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const struct intc_rz_ext_irq_config *config = dev->config;
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struct intc_rz_ext_irq_data *data = dev->data;
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fsp_err_t err = FSP_SUCCESS;
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err = config->fsp_api->enable(data->fsp_ctrl);
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if (err != FSP_SUCCESS) {
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return -EIO;
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}
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return 0;
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}
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int intc_rz_ext_irq_disable(const struct device *dev)
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{
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const struct intc_rz_ext_irq_config *config = dev->config;
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struct intc_rz_ext_irq_data *data = dev->data;
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fsp_err_t err = FSP_SUCCESS;
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err = config->fsp_api->disable(data->fsp_ctrl);
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if (err != FSP_SUCCESS) {
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return -EIO;
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}
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return 0;
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}
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int intc_rz_ext_irq_set_callback(const struct device *dev, intc_rz_ext_irq_callback_t cb, void *arg)
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{
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struct intc_rz_ext_irq_data *data = dev->data;
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data->callback = cb;
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data->callback_data = arg;
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return 0;
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}
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static int intc_rz_ext_irq_init(const struct device *dev)
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{
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const struct intc_rz_ext_irq_config *config = dev->config;
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struct intc_rz_ext_irq_data *data = dev->data;
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fsp_err_t err = FSP_SUCCESS;
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int ret = 0;
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if (config->pin_config) {
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ret = pinctrl_apply_state(config->pin_config, PINCTRL_STATE_DEFAULT);
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if (ret < 0) {
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LOG_ERR("%s: pinctrl config failed.", __func__);
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return ret;
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}
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}
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err = config->fsp_api->open(data->fsp_ctrl, config->fsp_cfg);
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if (err != FSP_SUCCESS) {
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return -EIO;
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}
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return 0;
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}
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static void intc_rz_ext_irq_callback(external_irq_callback_args_t *args)
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{
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const struct device *dev = (const struct device *)args->p_context;
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struct intc_rz_ext_irq_data *data = dev->data;
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if (data->callback) {
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data->callback(data->callback_data);
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}
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}
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#define EXT_IRQ_RZG_IRQ_CONNECT(index, isr, isr_nmi) \
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IRQ_CONNECT(DT_INST_IRQ_BY_IDX(index, 0, irq), DT_INST_IRQ_BY_IDX(index, 0, priority), \
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COND_CODE_0(DT_INST_IRQ_BY_IDX(index, 0, irq), \
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(isr_nmi), (isr)), NULL, 0);
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#define INTC_RZG_EXT_IRQ_INIT(index) \
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static const external_irq_cfg_t g_external_irq##index##_cfg = { \
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.trigger = DT_INST_ENUM_IDX_OR(index, trigger_type, 0), \
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.filter_enable = true, \
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.pclk_div = EXTERNAL_IRQ_PCLK_DIV_BY_1, \
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.p_callback = intc_rz_ext_irq_callback, \
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.p_context = DEVICE_DT_INST_GET(index), \
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.p_extend = NULL, \
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.ipl = DT_INST_IRQ_BY_IDX(index, 0, priority), \
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.irq = DT_INST_IRQ_BY_IDX(index, 0, irq), \
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COND_CODE_0(DT_INST_IRQ_BY_IDX(index, 0, irq), \
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(.channel = DT_INST_IRQ_BY_IDX(index, 0, irq)), \
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(.channel = DT_INST_IRQ_BY_IDX(index, 0, irq) - 1)), \
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}; \
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\
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PINCTRL_DT_INST_DEFINE(index); \
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\
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struct intc_rz_ext_irq_config intc_rz_ext_irq_config##index = { \
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.pin_config = PINCTRL_DT_INST_DEV_CONFIG_GET(index), \
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.fsp_cfg = (external_irq_cfg_t *)&g_external_irq##index##_cfg, \
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COND_CODE_0(DT_INST_IRQ_BY_IDX(index, 0, irq), ( \
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.fsp_api = &g_external_irq_on_intc_nmi), ( \
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.fsp_api = &g_external_irq_on_intc_irq)), \
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}; \
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\
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COND_CODE_0(DT_INST_IRQ_BY_IDX(index, 0, irq), \
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(static intc_nmi_instance_ctrl_t g_external_irq##index##_ctrl;), \
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(static intc_irq_instance_ctrl_t g_external_irq##index##_ctrl;)) \
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\
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static struct intc_rz_ext_irq_data intc_rz_ext_irq_data##index = { \
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.fsp_ctrl = (external_irq_ctrl_t *)&g_external_irq##index##_ctrl, \
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}; \
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\
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static int intc_rz_ext_irq_init_##index(const struct device *dev) \
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{ \
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EXT_IRQ_RZG_IRQ_CONNECT(index, r_intc_irq_isr, r_intc_nmi_isr) \
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return intc_rz_ext_irq_init(dev); \
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}; \
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\
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DEVICE_DT_INST_DEFINE(index, intc_rz_ext_irq_init_##index, NULL, \
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&intc_rz_ext_irq_data##index, &intc_rz_ext_irq_config##index, \
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PRE_KERNEL_1, CONFIG_INTC_INIT_PRIORITY, NULL);
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DT_INST_FOREACH_STATUS_OKAY(INTC_RZG_EXT_IRQ_INIT)
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# Copyright (c) 2024 Renesas Electronics Corporation
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# SPDX-License-Identifier: Apache-2.0
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description: Renesas RZG external interrupt controller
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compatible: "renesas,rz-ext-irq"
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include: [interrupt-controller.yaml, base.yaml, pinctrl-device.yaml]
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properties:
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"#address-cells":
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const: 0
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"#interrupt-cells":
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const: 2
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trigger-type:
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required: true
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type: string
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description: |
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Indicates the condition that will trigger an interrupt when detected.
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enum:
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- "falling"
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- "rising"
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- "both_edges"
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- "low_level"
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/*
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* Copyright (c) 2024 Renesas Electronics Corporation
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#ifndef ZEPHYR_DRIVERS_INTERRUPT_CONTROLLER_INTC_RZ_EXT_IRQ_H_
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#define ZEPHYR_DRIVERS_INTERRUPT_CONTROLLER_INTC_RZ_EXT_IRQ_H_
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/** RZ external interrupt callback */
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typedef void (*intc_rz_ext_irq_callback_t)(void *arg);
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/**
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* @brief Enable external interrupt for specified channel at NVIC.
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*
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* @param dev: pointer to interrupt controller instance
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* @return 0 on success, or negative value on error
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*/
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int intc_rz_ext_irq_enable(const struct device *dev);
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/**
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* @brief Disable external interrupt for specified channel at NVIC.
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*
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* @param dev: pointer to interrupt controller instance
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* @return 0 on success, or negative value on error
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*/
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int intc_rz_ext_irq_disable(const struct device *dev);
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/**
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* @brief Updates the user callback
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*
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* @param dev: pointer to interrupt controller instance
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* @param cb: callback to set
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* @param arg: user data passed to callback
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* @return 0 on success, or negative value on error
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*/
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int intc_rz_ext_irq_set_callback(const struct device *dev, intc_rz_ext_irq_callback_t cb,
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void *arg);
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#endif /* ZEPHYR_DRIVERS_INTERRUPT_CONTROLLER_INTC_RZ_EXT_IRQ_H_ */

modules/Kconfig.renesas_fsp

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@@ -173,4 +173,9 @@ config USE_RZ_FSP_GPT
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help
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Enable RZ FSP GPT driver
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config USE_RZ_FSP_EXT_IRQ
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bool
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help
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Enable RZ FSP External IRQ driver
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endif

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