driver: input: add input driver for rts5912
Add input driver for Realtek rts5912. Signed-off-by: Lin Yu-Cheng <lin_yu_cheng@realtek.com>
This commit is contained in:
parent
d45396a6bb
commit
2d541a0777
10 changed files with 381 additions and 0 deletions
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@ -31,6 +31,25 @@
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pinctrl-names = "default";
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};
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&kbd {
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status = "okay";
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pinctrl-0 = <&kso0_gpio041 &kso1_gpio042
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&kso2_gpio043 &kso3_gpio044
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&kso4_gpio045 &kso5_gpio046
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&kso6_gpio047 &kso7_gpio048
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&kso8_gpio049 &kso9_gpio050
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&kso10_gpio051 &kso11_gpio055
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&kso12_gpio056 &kso13_gpio057
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&kso14_gpio058 &kso15_gpio059
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&ksi0_gpio064 &ksi1_gpio065
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&ksi2_gpio066 &ksi3_gpio067
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&ksi4_gpio068 &ksi5_gpio069
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&ksi6_gpio070 &ksi7_gpio071>;
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pinctrl-names = "default";
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row-size = <8>;
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col-size = <16>;
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};
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&swj_port {
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status = "okay";
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};
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@ -17,3 +17,6 @@ CONFIG_UART_CONSOLE=y
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# Enable GPIO
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CONFIG_GPIO=y
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# Input Driver
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CONFIG_INPUT=y
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@ -28,6 +28,7 @@ zephyr_library_sources_ifdef(CONFIG_INPUT_PAT912X input_pat912x.c)
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zephyr_library_sources_ifdef(CONFIG_INPUT_PAW32XX input_paw32xx.c)
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zephyr_library_sources_ifdef(CONFIG_INPUT_PINNACLE input_pinnacle.c)
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zephyr_library_sources_ifdef(CONFIG_INPUT_PMW3610 input_pmw3610.c)
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zephyr_library_sources_ifdef(CONFIG_INPUT_REALTEK_RTS5912_KBD input_realtek_rts5912_kbd.c)
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zephyr_library_sources_ifdef(CONFIG_INPUT_SBUS input_sbus.c)
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zephyr_library_sources_ifdef(CONFIG_INPUT_STM32_TSC_KEYS input_tsc_keys.c)
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zephyr_library_sources_ifdef(CONFIG_INPUT_STMPE811 input_stmpe811.c)
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@ -30,6 +30,7 @@ source "drivers/input/Kconfig.pat912x"
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source "drivers/input/Kconfig.paw32xx"
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source "drivers/input/Kconfig.pinnacle"
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source "drivers/input/Kconfig.pmw3610"
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source "drivers/input/Kconfig.rts5912"
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source "drivers/input/Kconfig.sbus"
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source "drivers/input/Kconfig.sdl"
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source "drivers/input/Kconfig.stmpe811"
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10
drivers/input/Kconfig.rts5912
Normal file
10
drivers/input/Kconfig.rts5912
Normal file
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@ -0,0 +1,10 @@
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# Copyright (c) 2025 Realtek Corporation.
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# SPDX-License-Identifier: Apache-2.0
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config INPUT_REALTEK_RTS5912_KBD
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bool "Realtek RTS5912 keyboard scanning driver"
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default y
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depends on DT_HAS_REALTEK_RTS5912_KBD_ENABLED
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select INPUT_KBD_MATRIX
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help
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This option enables the Realtek keyboard scan driver.
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drivers/input/input_realtek_rts5912_kbd.c
Normal file
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drivers/input/input_realtek_rts5912_kbd.c
Normal file
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@ -0,0 +1,219 @@
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/*
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* Copyright (c) 2025 Realtek Corporation.
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* SPDX-License-Identifier: Apache-2.0
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*/
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#define DT_DRV_COMPAT realtek_rts5912_kbd
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#include <zephyr/device.h>
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#include <zephyr/drivers/pinctrl.h>
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#include <zephyr/drivers/clock_control.h>
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#include <zephyr/drivers/clock_control/clock_control_rts5912.h>
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#include <zephyr/irq.h>
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#include <zephyr/input/input.h>
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#include <zephyr/input/input_kbd_matrix.h>
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#include <zephyr/sys/util_macro.h>
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#include "reg/reg_kbm.h"
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#include <zephyr/logging/log.h>
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LOG_MODULE_REGISTER(input_realtek_rts5912_kbd, CONFIG_INPUT_LOG_LEVEL);
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struct rts5912_kbd_config {
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struct input_kbd_matrix_common_config common;
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/* Keyboard scan controller base address */
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volatile struct kbm_regs *base;
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/* Keyboard scan input (KSI) wake-up irq */
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uint32_t irq;
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/* KSI/KSO keyboard scan alternate configuration */
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const struct pinctrl_dev_config *pcfg;
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const struct device *clk_dev;
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struct rts5912_sccon_subsys sccon_cfg;
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/* For user ignore specific pin of kso*/
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uint32_t kso_ignore_mask;
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};
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struct rts5912_kbd_data {
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struct input_kbd_matrix_common_data common;
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};
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INPUT_KBD_STRUCT_CHECK(struct rts5912_kbd_config, struct rts5912_kbd_data);
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static void rts5912_kbd_drive_column(const struct device *dev, int col)
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{
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const struct rts5912_kbd_config *config = dev->config;
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const struct input_kbd_matrix_common_config *common = &config->common;
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volatile struct kbm_regs *inst = config->base;
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const uint32_t kso_mask = BIT_MASK(common->col_size) & ~config->kso_ignore_mask;
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uint32_t kso_val;
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uint32_t key;
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/* Tri-state all outputs */
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if (col == INPUT_KBD_MATRIX_COLUMN_DRIVE_NONE) {
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kso_val = kso_mask;
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/* Assert all outputs */
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} else if (col == INPUT_KBD_MATRIX_COLUMN_DRIVE_ALL) {
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kso_val = 0;
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/* Assert a single output */
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} else {
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kso_val = kso_mask ^ BIT(col);
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}
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/* Set KSO output data */
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key = irq_lock();
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inst->scan_out = kso_val;
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irq_unlock(key);
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}
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static kbd_row_t rts5912_kbd_read_row(const struct device *dev)
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{
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const struct rts5912_kbd_config *config = dev->config;
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volatile struct kbm_regs *inst = config->base;
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const struct input_kbd_matrix_common_config *common = &config->common;
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const uint32_t ksi_mask = BIT_MASK(common->row_size);
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/* Bits are active-low, so toggle it (return 1 means key pressed) */
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return (inst->scan_in ^ ksi_mask);
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}
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static void rts5912_intc_isr_clear(const struct device *dev)
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{
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const struct rts5912_kbd_config *config = dev->config;
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volatile struct kbm_regs *inst = config->base;
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inst->ctrl |= KBM_CTRL_KSIINTSTS_Msk;
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}
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static void rts5912_kbd_isr(const struct device *dev)
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{
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/* W/C interrupt status of KSI pins */
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rts5912_intc_isr_clear(dev);
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input_kbd_matrix_poll_start(dev);
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}
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static void rts5912_kbd_set_detect_mode(const struct device *dev, bool enable)
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{
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const struct rts5912_kbd_config *config = dev->config;
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if (enable) {
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/* W/C interrupt status of KSI pins */
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rts5912_intc_isr_clear(dev);
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irq_enable(config->irq);
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} else {
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irq_disable(config->irq);
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}
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}
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static int rts5912_kbd_init(const struct device *dev)
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{
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const struct rts5912_kbd_config *config = dev->config;
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const struct input_kbd_matrix_common_config *common = &config->common;
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volatile struct kbm_regs *inst = config->base;
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const uint32_t kso_mask = BIT_MASK(common->col_size) & ~config->kso_ignore_mask;
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const uint32_t ksi_mask = BIT_MASK(common->row_size);
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uint32_t status;
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/* Disable wakeup and interrupt of KSI pins before configuring */
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rts5912_kbd_set_detect_mode(dev, false);
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/*
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* Enable the internal pull-up and kbs mode of the KSI pins.
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* Enable the internal pull-up and kbs mode of the KSO pins.
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* Enable the open-drain mode of the KSO pins.
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*/
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status = pinctrl_apply_state(config->pcfg, PINCTRL_STATE_DEFAULT);
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if (status < 0) {
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LOG_ERR("Failed to configure KSI and KSO pins");
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return status;
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}
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if (!device_is_ready(config->clk_dev)) {
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LOG_ERR("clock kbd device not ready");
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return -ENODEV;
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}
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status = clock_control_on(config->clk_dev, (clock_control_subsys_t)&config->sccon_cfg);
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if (status != 0) {
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LOG_ERR("kbd clock power on fail");
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return status;
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}
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/* KSO pins output low */
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inst->scan_out = 0x00;
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/* Enable KSI 8 if RAW Size more than 8*/
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if (ksi_mask & BIT(8)) {
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inst->ctrl |= KBM_CTRL_KSI8EN_Msk;
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}
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/* Enable KSI 9 if RAW Size more than 9*/
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if (ksi_mask & BIT(9)) {
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inst->ctrl |= KBM_CTRL_KSI9EN_Msk;
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}
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/* Enable KSO 18 if COL Size more than 18*/
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if (kso_mask & BIT(18)) {
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inst->ctrl |= KBM_CTRL_KSO18EN_Msk;
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}
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/* Enable KSO 19 if COL Size more than 19*/
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if (kso_mask & BIT(19)) {
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inst->ctrl |= KBM_CTRL_KSO19EN_Msk;
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}
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/* Enable KSO OpenDrain Output Type */
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inst->ctrl |= KBM_CTRL_KSOTYPE_Msk;
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/* Enable Scan Interrupt*/
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inst->int_en |= ksi_mask;
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/* W/C interrupt status of KSI pins */
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rts5912_intc_isr_clear(dev);
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/* Interrupts are enabled in the thread function */
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IRQ_CONNECT(DT_INST_IRQN(0), DT_INST_IRQ(0, priority),
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rts5912_kbd_isr, DEVICE_DT_INST_GET(0), 0);
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return input_kbd_matrix_common_init(dev);
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}
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PINCTRL_DT_INST_DEFINE(0);
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INPUT_KBD_MATRIX_DT_INST_DEFINE(0);
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static const struct input_kbd_matrix_api rts5912_kbd_api = {
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.drive_column = rts5912_kbd_drive_column,
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.read_row = rts5912_kbd_read_row,
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.set_detect_mode = rts5912_kbd_set_detect_mode,
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};
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static const struct rts5912_kbd_config rts5912_kbd_cfg_0 = {
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.common = INPUT_KBD_MATRIX_DT_INST_COMMON_CONFIG_INIT(0, &rts5912_kbd_api),
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.base = (volatile struct kbm_regs *)DT_INST_REG_ADDR_BY_IDX(0, 0),
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.irq = DT_INST_IRQN(0),
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.pcfg = PINCTRL_DT_INST_DEV_CONFIG_GET(0),
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.clk_dev = DEVICE_DT_GET(DT_INST_CLOCKS_CTLR(0)),
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.sccon_cfg = {
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.clk_grp = DT_CLOCKS_CELL(DT_NODELABEL(kbd), clk_grp),
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.clk_idx = DT_CLOCKS_CELL(DT_NODELABEL(kbd), clk_idx),
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},
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.kso_ignore_mask = DT_INST_PROP_OR(0, kso_ignore_mask, 0x00),
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};
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static struct rts5912_kbd_data rts5912_kbd_data_0;
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PM_DEVICE_DT_INST_DEFINE(0, input_kbd_matrix_pm_action);
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DEVICE_DT_INST_DEFINE(0, &rts5912_kbd_init, PM_DEVICE_DT_INST_GET(0), &rts5912_kbd_data_0,
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&rts5912_kbd_cfg_0, POST_KERNEL, CONFIG_INPUT_INIT_PRIORITY, NULL);
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BUILD_ASSERT(!IS_ENABLED(CONFIG_PM_DEVICE_SYSTEM_MANAGED) || IS_ENABLED(CONFIG_PM_DEVICE_RUNTIME),
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"CONFIG_PM_DEVICE_RUNTIME must be enabled when using CONFIG_PM_DEVICE_SYSTEM_MANAGED");
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BUILD_ASSERT(DT_NUM_INST_STATUS_OKAY(DT_DRV_COMPAT) == 1,
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"only one realtek,rts5912-kbd compatible node can be supported");
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BUILD_ASSERT(IN_RANGE(DT_INST_PROP(0, row_size), 1, 9), "invalid row-size");
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BUILD_ASSERT(IN_RANGE(DT_INST_PROP(0, col_size), 1, 19), "invalid col-size");
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@ -266,105 +266,145 @@
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pinmux = <REALTEK_RTS5912_PINMUX(41, FUNC1)>;
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input-enable;
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input-schmitt-enable;
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bias-pull-up;
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drive-open-drain;
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};
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/omit-if-no-ref/ kso1_gpio042: kso1_gpio042 {
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pinmux = <REALTEK_RTS5912_PINMUX(42, FUNC1)>;
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input-enable;
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input-schmitt-enable;
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bias-pull-up;
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drive-open-drain;
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};
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/omit-if-no-ref/ kso2_gpio043: kso2_gpio043 {
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pinmux = <REALTEK_RTS5912_PINMUX(43, FUNC1)>;
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input-enable;
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input-schmitt-enable;
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bias-pull-up;
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drive-open-drain;
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};
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/omit-if-no-ref/ kso3_gpio044: kso3_gpio044 {
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pinmux = <REALTEK_RTS5912_PINMUX(44, FUNC1)>;
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input-enable;
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input-schmitt-enable;
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bias-pull-up;
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drive-open-drain;
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};
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/omit-if-no-ref/ kso4_gpio045: kso4_gpio045 {
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pinmux = <REALTEK_RTS5912_PINMUX(45, FUNC1)>;
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input-enable;
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input-schmitt-enable;
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bias-pull-up;
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drive-open-drain;
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};
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/omit-if-no-ref/ kso5_gpio046: kso5_gpio046 {
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pinmux = <REALTEK_RTS5912_PINMUX(46, FUNC1)>;
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input-enable;
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input-schmitt-enable;
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bias-pull-up;
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drive-open-drain;
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};
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/omit-if-no-ref/ kso6_gpio047: kso6_gpio047 {
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pinmux = <REALTEK_RTS5912_PINMUX(47, FUNC1)>;
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input-enable;
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input-schmitt-enable;
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bias-pull-up;
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drive-open-drain;
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};
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/omit-if-no-ref/ kso7_gpio048: kso7_gpio048 {
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pinmux = <REALTEK_RTS5912_PINMUX(48, FUNC1)>;
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input-enable;
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input-schmitt-enable;
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bias-pull-up;
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drive-open-drain;
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};
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/omit-if-no-ref/ kso8_gpio049: kso8_gpio049 {
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pinmux = <REALTEK_RTS5912_PINMUX(49, FUNC1)>;
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input-enable;
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input-schmitt-enable;
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bias-pull-up;
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drive-open-drain;
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};
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/omit-if-no-ref/ kso9_gpio050: kso9_gpio050 {
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pinmux = <REALTEK_RTS5912_PINMUX(50, FUNC1)>;
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input-enable;
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input-schmitt-enable;
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bias-pull-up;
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drive-open-drain;
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};
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/omit-if-no-ref/ kso10_gpio051: kso10_gpio051 {
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pinmux = <REALTEK_RTS5912_PINMUX(51, FUNC1)>;
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input-enable;
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input-schmitt-enable;
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bias-pull-up;
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drive-open-drain;
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};
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/omit-if-no-ref/ kso11_gpio055: kso11_gpio055 {
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pinmux = <REALTEK_RTS5912_PINMUX(55, FUNC1)>;
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input-enable;
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input-schmitt-enable;
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bias-pull-up;
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drive-open-drain;
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};
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/omit-if-no-ref/ kso12_gpio056: kso12_gpio056 {
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pinmux = <REALTEK_RTS5912_PINMUX(56, FUNC1)>;
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input-enable;
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input-schmitt-enable;
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bias-pull-up;
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drive-open-drain;
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};
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/omit-if-no-ref/ kso13_gpio057: kso13_gpio057 {
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pinmux = <REALTEK_RTS5912_PINMUX(57, FUNC1)>;
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input-enable;
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input-schmitt-enable;
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bias-pull-up;
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drive-open-drain;
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};
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/omit-if-no-ref/ kso14_gpio058: kso14_gpio058 {
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pinmux = <REALTEK_RTS5912_PINMUX(58, FUNC1)>;
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input-enable;
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input-schmitt-enable;
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bias-pull-up;
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drive-open-drain;
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};
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/omit-if-no-ref/ kso15_gpio059: kso15_gpio059 {
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pinmux = <REALTEK_RTS5912_PINMUX(59, FUNC1)>;
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input-enable;
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input-schmitt-enable;
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bias-pull-up;
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drive-open-drain;
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};
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/omit-if-no-ref/ kso16_gpio060: kso16_gpio060 {
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pinmux = <REALTEK_RTS5912_PINMUX(60, FUNC1)>;
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input-enable;
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input-schmitt-enable;
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bias-pull-up;
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drive-open-drain;
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};
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/omit-if-no-ref/ kso17_gpio061: kso17_gpio061 {
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pinmux = <REALTEK_RTS5912_PINMUX(61, FUNC1)>;
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input-enable;
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input-schmitt-enable;
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bias-pull-up;
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drive-open-drain;
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};
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||||
/omit-if-no-ref/ kso18_gpio092: kso18_gpio092 {
|
||||
pinmux = <REALTEK_RTS5912_PINMUX(92, FUNC1)>;
|
||||
input-enable;
|
||||
input-schmitt-enable;
|
||||
bias-pull-up;
|
||||
drive-open-drain;
|
||||
};
|
||||
/omit-if-no-ref/ kso19_gpio093: kso19_gpio093 {
|
||||
pinmux = <REALTEK_RTS5912_PINMUX(93, FUNC1)>;
|
||||
input-enable;
|
||||
input-schmitt-enable;
|
||||
bias-pull-up;
|
||||
drive-open-drain;
|
||||
};
|
||||
/* KSO PINCTRL SETTING END */
|
||||
/* KSI PINCTRL SETTING START */
|
||||
|
@ -372,53 +412,73 @@
|
|||
pinmux = <REALTEK_RTS5912_PINMUX(64, FUNC1)>;
|
||||
input-enable;
|
||||
input-schmitt-enable;
|
||||
bias-pull-up;
|
||||
drive-open-drain;
|
||||
};
|
||||
/omit-if-no-ref/ ksi1_gpio065: ksi1_gpio065 {
|
||||
pinmux = <REALTEK_RTS5912_PINMUX(65, FUNC1)>;
|
||||
input-enable;
|
||||
input-schmitt-enable;
|
||||
bias-pull-up;
|
||||
drive-open-drain;
|
||||
};
|
||||
/omit-if-no-ref/ ksi2_gpio066: ksi2_gpio066 {
|
||||
pinmux = <REALTEK_RTS5912_PINMUX(66, FUNC1)>;
|
||||
input-enable;
|
||||
input-schmitt-enable;
|
||||
bias-pull-up;
|
||||
drive-open-drain;
|
||||
};
|
||||
/omit-if-no-ref/ ksi3_gpio067: ksi3_gpio067 {
|
||||
pinmux = <REALTEK_RTS5912_PINMUX(67, FUNC1)>;
|
||||
input-enable;
|
||||
input-schmitt-enable;
|
||||
bias-pull-up;
|
||||
drive-open-drain;
|
||||
};
|
||||
|
||||
/omit-if-no-ref/ ksi4_gpio068: ksi4_gpio068 {
|
||||
pinmux = <REALTEK_RTS5912_PINMUX(68, FUNC1)>;
|
||||
input-enable;
|
||||
input-schmitt-enable;
|
||||
bias-pull-up;
|
||||
drive-open-drain;
|
||||
};
|
||||
/omit-if-no-ref/ ksi5_gpio069: ksi5_gpio069 {
|
||||
pinmux = <REALTEK_RTS5912_PINMUX(69, FUNC1)>;
|
||||
input-enable;
|
||||
input-schmitt-enable;
|
||||
bias-pull-up;
|
||||
drive-open-drain;
|
||||
};
|
||||
/omit-if-no-ref/ ksi6_gpio070: ksi6_gpio070 {
|
||||
pinmux = <REALTEK_RTS5912_PINMUX(70, FUNC1)>;
|
||||
input-enable;
|
||||
input-schmitt-enable;
|
||||
bias-pull-up;
|
||||
drive-open-drain;
|
||||
};
|
||||
/omit-if-no-ref/ ksi7_gpio071: ksi7_gpio071 {
|
||||
pinmux = <REALTEK_RTS5912_PINMUX(71, FUNC1)>;
|
||||
input-enable;
|
||||
input-schmitt-enable;
|
||||
bias-pull-up;
|
||||
drive-open-drain;
|
||||
};
|
||||
|
||||
/omit-if-no-ref/ ksi8_gpio054: ksi8_gpio054 {
|
||||
pinmux = <REALTEK_RTS5912_PINMUX(54, FUNC3)>;
|
||||
input-enable;
|
||||
input-schmitt-enable;
|
||||
bias-pull-up;
|
||||
drive-open-drain;
|
||||
};
|
||||
/omit-if-no-ref/ ksi9_gpio098: ksi9_gpio098 {
|
||||
pinmux = <REALTEK_RTS5912_PINMUX(98, FUNC2)>;
|
||||
input-enable;
|
||||
input-schmitt-enable;
|
||||
bias-pull-up;
|
||||
drive-open-drain;
|
||||
};
|
||||
/* KSO PINCTRL SETTING END */
|
||||
/* KSM PINCTRL SETTING END */
|
||||
|
|
|
@ -258,6 +258,15 @@
|
|||
clk-divider = <33>;
|
||||
status = "disabled";
|
||||
};
|
||||
|
||||
kbd: kbd@40010000 {
|
||||
compatible = "realtek,rts5912-kbd";
|
||||
reg = <0x40010000 0x10>;
|
||||
clocks = <&sccon RTS5912_SCCON_PERIPH_GRP0 PERIPH_GRP0_KBM_CLKPWR>;
|
||||
interrupts = <210 0>;
|
||||
interrupt-parent = <&nvic>;
|
||||
status = "disabled";
|
||||
};
|
||||
};
|
||||
|
||||
swj_port: swj-port {
|
||||
|
|
31
dts/bindings/input/realtek,rts5912-kbd.yaml
Normal file
31
dts/bindings/input/realtek,rts5912-kbd.yaml
Normal file
|
@ -0,0 +1,31 @@
|
|||
# Copyright (c) 2025 Realtek Corporation.
|
||||
# SPDX-License-Identifier: Apache-2.0
|
||||
|
||||
description: Realtek RTS5912 keyboard matrix controller
|
||||
|
||||
compatible: "realtek,rts5912-kbd"
|
||||
|
||||
include: [kbd-matrix-common.yaml, pinctrl-device.yaml]
|
||||
|
||||
properties:
|
||||
reg:
|
||||
required: true
|
||||
|
||||
interrupts:
|
||||
required: true
|
||||
|
||||
pinctrl-0:
|
||||
required: true
|
||||
|
||||
pinctrl-names:
|
||||
required: true
|
||||
|
||||
row-size:
|
||||
required: true
|
||||
|
||||
col-size:
|
||||
required: true
|
||||
|
||||
kso-ignore-mask:
|
||||
type: int
|
||||
default: 0
|
28
soc/realtek/ec/rts5912/reg/reg_kbm.h
Normal file
28
soc/realtek/ec/rts5912/reg/reg_kbm.h
Normal file
|
@ -0,0 +1,28 @@
|
|||
/*
|
||||
* Copyright (c) 2025 Realtek, SIBG-SD7
|
||||
*
|
||||
* SPDX-License-Identifier: Apache-2.0
|
||||
*/
|
||||
|
||||
#ifndef ZEPHYR_SOC_REALTEK_RTS5912_REG_KBM_H
|
||||
#define ZEPHYR_SOC_REALTEK_RTS5912_REG_KBM_H
|
||||
|
||||
/**
|
||||
* @brief Keyboard Matrix Controller (KBM)
|
||||
*/
|
||||
|
||||
struct kbm_regs {
|
||||
uint32_t scan_out;
|
||||
uint32_t scan_in;
|
||||
uint32_t int_en;
|
||||
uint32_t ctrl;
|
||||
};
|
||||
|
||||
#define KBM_CTRL_KSOTYPE_Msk BIT(0)
|
||||
#define KBM_CTRL_KSI8EN_Msk BIT(1)
|
||||
#define KBM_CTRL_KSI9EN_Msk BIT(2)
|
||||
#define KBM_CTRL_KSO18EN_Msk BIT(16)
|
||||
#define KBM_CTRL_KSO19EN_Msk BIT(17)
|
||||
#define KBM_CTRL_KSIINTSTS_Msk BIT(18)
|
||||
|
||||
#endif /* ZEPHYR_SOC_REALTEK_RTS5912_REG_KBM_H */
|
Loading…
Add table
Add a link
Reference in a new issue