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usb: esp32c6: Add support for USB serial port

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Device tree configuration for USB serial node and clock control
fix for proper device initialization.

Signed-off-by: Raffael Rostagno <raffael.rostagno@espressif.com>
This commit is contained in:
Raffael Rostagno 2024-07-30 18:11:36 -03:00 committed by David Leach
parent 4bdcf44a8c
commit 3dc2e83c7a
2 changed files with 12 additions and 0 deletions
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3
drivers/clock_control/clock_control_esp32.c
View file

@ -41,6 +41,7 @@
#include <esp32c6/rom/rtc.h> #include <esp32c6/rom/rtc.h>
#include <soc/dport_access.h> #include <soc/dport_access.h>
#include <hal/clk_tree_ll.h> #include <hal/clk_tree_ll.h>
#include <hal/usb_serial_jtag_ll.h>
#endif /* CONFIG_SOC_SERIES_ESP32xx */ #endif /* CONFIG_SOC_SERIES_ESP32xx */
#include <zephyr/drivers/clock_control.h> #include <zephyr/drivers/clock_control.h>
@ -117,6 +118,8 @@ static void esp32_clock_perip_init(void)
REG_CLR_BIT(PCR_PVT_MONITOR_CONF_REG, PCR_PVT_MONITOR_CLK_EN); REG_CLR_BIT(PCR_PVT_MONITOR_CONF_REG, PCR_PVT_MONITOR_CLK_EN);
REG_CLR_BIT(PCR_PVT_MONITOR_FUNC_CLK_CONF_REG, PCR_PVT_MONITOR_FUNC_CLK_EN); REG_CLR_BIT(PCR_PVT_MONITOR_FUNC_CLK_CONF_REG, PCR_PVT_MONITOR_FUNC_CLK_EN);
WRITE_PERI_REG(PCR_CTRL_CLK_OUT_EN_REG, 0); WRITE_PERI_REG(PCR_CTRL_CLK_OUT_EN_REG, 0);
usb_serial_jtag_ll_enable_bus_clock(false);
} }
} }
#else #else

9
dts/riscv/espressif/esp32c6/esp32c6_common.dtsi
View file

@ -171,6 +171,15 @@
current-speed = <115200>; current-speed = <115200>;
}; };
usb_serial: uart@6000f000 {
compatible = "espressif,esp32-usb-serial";
reg = <0x6000F000 0x1000>;
status = "disabled";
interrupts = <USB_SERIAL_JTAG_INTR_SOURCE>;
interrupt-parent = <&intc>;
clocks = <&rtc ESP32_USB_MODULE>;
};
ledc0: ledc@60007000 { ledc0: ledc@60007000 {
compatible = "espressif,esp32-ledc"; compatible = "espressif,esp32-ledc";
pwm-controller; pwm-controller;