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drivers: serial: define default values for basic options

Browse source 
Defined default values for baudrate, parity, stop bits, and data bits.
This removes complexity and obfuscation from the code.

Signed-off-by: Yishai Jaffe <yishai1999@gmail.com>
This commit is contained in:
Yishai Jaffe 2024-12-23 12:01:48 +02:00 committed by Benjamin Cabé
parent 64585b7444
commit 0df6736bb9
27 changed files with 161 additions and 101 deletions
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9
drivers/serial/uart_altera.c
View file

@ -960,12 +960,9 @@ static struct uart_altera_device_data uart_altera_dev_data_##n = { \
.uart_cfg = \
{ \
.baudrate = DT_INST_PROP(n, current_speed), \
.parity = DT_INST_ENUM_IDX_OR(n, parity, \
UART_CFG_PARITY_NONE), \
.stop_bits = DT_INST_ENUM_IDX_OR(n, stop_bits, \
UART_CFG_STOP_BITS_1), \
.data_bits = DT_INST_ENUM_IDX_OR(n, data_bits, \
UART_CFG_DATA_BITS_8), \
.parity = DT_INST_ENUM_IDX(n, parity), \
.stop_bits = DT_INST_ENUM_IDX(n, stop_bits), \
.data_bits = DT_INST_ENUM_IDX(n, data_bits), \
.flow_ctrl = DT_INST_PROP(n, hw_flow_control) ? \
UART_CFG_FLOW_CTRL_RTS_CTS : \
UART_CFG_FLOW_CTRL_NONE, \

6
drivers/serial/uart_cc13xx_cc26xx.c
View file

@ -617,9 +617,9 @@ static DEVICE_API(uart, uart_cc13xx_cc26xx_driver_api) = {
uart_cc13xx_cc26xx_data_##n = { \
.uart_config = { \
.baudrate = DT_INST_PROP(n, current_speed), \
.parity = UART_CFG_PARITY_NONE, \
.stop_bits = UART_CFG_STOP_BITS_1, \
.data_bits = UART_CFG_DATA_BITS_8, \
.parity = DT_INST_ENUM_IDX(n, parity), \
.stop_bits = DT_INST_ENUM_IDX(n, stop_bits), \
.data_bits = DT_INST_ENUM_IDX(n, data_bits), \
.flow_ctrl = UART_CFG_FLOW_CTRL_NONE, \
}, \
.pcfg = PINCTRL_DT_INST_DEV_CONFIG_GET(n), \

8
drivers/serial/uart_esp32.c
View file

@ -1055,11 +1055,9 @@ static DEVICE_API(uart, uart_esp32_api) = {
\
static struct uart_esp32_data uart_esp32_data_##idx = { \
.uart_config = {.baudrate = DT_INST_PROP(idx, current_speed), \
.parity = DT_INST_ENUM_IDX_OR(idx, parity, UART_CFG_PARITY_NONE), \
.stop_bits = DT_INST_ENUM_IDX_OR(idx, stop_bits, \
UART_CFG_STOP_BITS_1), \
.data_bits = DT_INST_ENUM_IDX_OR(idx, data_bits, \
UART_CFG_DATA_BITS_8), \
.parity = DT_INST_ENUM_IDX(idx, parity), \
.stop_bits = DT_INST_ENUM_IDX(idx, stop_bits), \
.data_bits = DT_INST_ENUM_IDX(idx, data_bits), \
.flow_ctrl = MAX(COND_CODE_1(DT_INST_PROP(idx, hw_rs485_hd_mode), \
(UART_CFG_FLOW_CTRL_RS485), \
(UART_CFG_FLOW_CTRL_NONE)), \

6
drivers/serial/uart_ifx_cat1.c
View file

@ -519,9 +519,9 @@ static DEVICE_API(uart, ifx_cat1_uart_driver_api) = {
\
static struct ifx_cat1_uart_config ifx_cat1_uart##n##_cfg = { \
.dt_cfg.baudrate = DT_INST_PROP(n, current_speed), \
.dt_cfg.parity = DT_INST_ENUM_IDX_OR(n, parity, UART_CFG_PARITY_NONE), \
.dt_cfg.stop_bits = DT_INST_ENUM_IDX_OR(n, stop_bits, UART_CFG_STOP_BITS_1), \
.dt_cfg.data_bits = DT_INST_ENUM_IDX_OR(n, data_bits, UART_CFG_DATA_BITS_8), \
.dt_cfg.parity = DT_INST_ENUM_IDX(n, parity), \
.dt_cfg.stop_bits = DT_INST_ENUM_IDX(n, stop_bits), \
.dt_cfg.data_bits = DT_INST_ENUM_IDX(n, data_bits), \
.dt_cfg.flow_ctrl = DT_INST_PROP(n, hw_flow_control), \
.pcfg = PINCTRL_DT_INST_DEV_CONFIG_GET(n), \
.reg_addr = (CySCB_Type *)DT_INST_REG_ADDR(n), \

9
drivers/serial/uart_intel_lw.c
View file

@ -994,12 +994,9 @@ static struct uart_intel_lw_device_data uart_intel_lw_dev_data_##n = { \
.uart_cfg = \
{ \
.baudrate = DT_INST_PROP(n, current_speed), \
.parity = DT_INST_ENUM_IDX_OR(n, parity, \
UART_CFG_PARITY_NONE), \
.stop_bits = DT_INST_ENUM_IDX_OR(n, stop_bits, \
UART_CFG_STOP_BITS_1), \
.data_bits = DT_INST_ENUM_IDX_OR(n, data_bits, \
UART_CFG_DATA_BITS_8), \
.parity = DT_INST_ENUM_IDX(n, parity), \
.stop_bits = DT_INST_ENUM_IDX(n, stop_bits), \
.data_bits = DT_INST_ENUM_IDX(n, data_bits), \
.flow_ctrl = DT_INST_PROP(n, hw_flow_control) ? \
UART_CFG_FLOW_CTRL_RTS_CTS : \
UART_CFG_FLOW_CTRL_NONE, \

8
drivers/serial/uart_max32.c
View file

@ -438,10 +438,10 @@ static DEVICE_API(uart, uart_max32_driver_api) = {
.perclk.bit = DT_INST_CLOCKS_CELL(_num, bit), \
.perclk.clk_src = \
DT_INST_PROP_OR(_num, clock_source, ADI_MAX32_PRPH_CLK_SRC_PCLK), \
.uart_conf.baudrate = DT_INST_PROP_OR(_num, current_speed, 115200), \
.uart_conf.parity = DT_INST_ENUM_IDX_OR(_num, parity, UART_CFG_PARITY_NONE), \
.uart_conf.data_bits = DT_INST_ENUM_IDX_OR(_num, data_bits, UART_CFG_DATA_BITS_8), \
.uart_conf.stop_bits = DT_INST_ENUM_IDX_OR(_num, stop_bits, UART_CFG_STOP_BITS_1), \
.uart_conf.baudrate = DT_INST_PROP(_num, current_speed), \
.uart_conf.parity = DT_INST_ENUM_IDX(_num, parity), \
.uart_conf.data_bits = DT_INST_ENUM_IDX(_num, data_bits), \
.uart_conf.stop_bits = DT_INST_ENUM_IDX(_num, stop_bits), \
.uart_conf.flow_ctrl = \
DT_INST_PROP_OR(_num, hw_flow_control, UART_CFG_FLOW_CTRL_NONE), \
IF_ENABLED(CONFIG_UART_INTERRUPT_DRIVEN, \

2
drivers/serial/uart_mcux_flexcomm.c
View file

@ -1188,7 +1188,7 @@ static const struct mcux_flexcomm_config mcux_flexcomm_##n##_config = { \
.clock_subsys = \
(clock_control_subsys_t)DT_INST_CLOCKS_CELL(n, name), \
.baud_rate = DT_INST_PROP(n, current_speed), \
.parity = DT_INST_ENUM_IDX_OR(n, parity, UART_CFG_PARITY_NONE), \
.parity = DT_INST_ENUM_IDX(n, parity), \
.pincfg = PINCTRL_DT_INST_DEV_CONFIG_GET(n), \
UART_MCUX_FLEXCOMM_IRQ_CFG_FUNC_INIT(n) \
UART_MCUX_FLEXCOMM_ASYNC_CFG(n) \

2
drivers/serial/uart_mcux_iuart.c
View file

@ -329,7 +329,7 @@ static const struct mcux_iuart_config mcux_iuart_##n##_config = { \
.clock_dev = DEVICE_DT_GET(DT_INST_CLOCKS_CTLR(n)), \
.clock_subsys = (clock_control_subsys_t)DT_INST_CLOCKS_CELL(n, name),\
.baud_rate = DT_INST_PROP(n, current_speed), \
.parity = DT_INST_ENUM_IDX_OR(n, parity, UART_CFG_PARITY_NONE), \
.parity = DT_INST_ENUM_IDX(n, parity), \
.pincfg = PINCTRL_DT_INST_DEV_CONFIG_GET(n), \
IRQ_FUNC_INIT \
}

2
drivers/serial/uart_mcux_lpuart.c
View file

@ -1368,7 +1368,7 @@ static const struct mcux_lpuart_config mcux_lpuart_##n##_config = { \
.clock_subsys = (clock_control_subsys_t)DT_INST_CLOCKS_CELL(n, name), \
.baud_rate = DT_INST_PROP(n, current_speed), \
.flow_ctrl = FLOW_CONTROL(n), \
.parity = DT_INST_ENUM_IDX_OR(n, parity, UART_CFG_PARITY_NONE), \
.parity = DT_INST_ENUM_IDX(n, parity), \
.rs485_de_active_low = DT_INST_PROP(n, nxp_rs485_de_active_low), \
.loopback_en = DT_INST_PROP(n, nxp_loopback), \
.single_wire = DT_INST_PROP(n, single_wire), \

3
drivers/serial/uart_neorv32.c
View file

@ -491,8 +491,7 @@ static DEVICE_API(uart, neorv32_uart_driver_api) = {
static struct neorv32_uart_data neorv32_uart_##n##_data = { \
.uart_cfg = { \
.baudrate = DT_PROP(node_id, current_speed), \
.parity = DT_ENUM_IDX_OR(node_id, parity, \
UART_CFG_PARITY_NONE), \
.parity = DT_ENUM_IDX(node_id, parity), \
.stop_bits = UART_CFG_STOP_BITS_1, \
.data_bits = UART_CFG_DATA_BITS_8, \
.flow_ctrl = DT_PROP(node_id, hw_flow_control) ? \

10
drivers/serial/uart_renesas_rz_scif.c
View file

@ -278,12 +278,10 @@ static int uart_rz_scif_init(const struct device *dev)
static struct uart_rz_scif_data uart_rz_scif_data_##n = { \
.uart_config = \
{ \
.baudrate = DT_INST_PROP_OR(n, current_speed, 115200), \
.parity = DT_INST_ENUM_IDX_OR(n, parity, UART_CFG_PARITY_NONE), \
.stop_bits = \
DT_INST_ENUM_IDX_OR(n, stop_bits, UART_CFG_STOP_BITS_1), \
.data_bits = \
DT_INST_ENUM_IDX_OR(n, data_bits, UART_CFG_DATA_BITS_8), \
.baudrate = DT_INST_PROP(n, current_speed), \
.parity = DT_INST_ENUM_IDX(n, parity), \
.stop_bits = DT_INST_ENUM_IDX(n, stop_bits), \
.data_bits = DT_INST_ENUM_IDX(n, data_bits), \
.flow_ctrl = DT_INST_PROP_OR(n, hw_flow_control, \
UART_CFG_FLOW_CTRL_NONE), \
}, \

8
drivers/serial/uart_rzt2m.c
View file

@ -427,11 +427,9 @@ static void uart_rzt2m_isr(const struct device *dev)
.uart_cfg = \
{ \
.baudrate = DT_INST_ENUM_IDX(n, current_speed), \
.parity = DT_INST_ENUM_IDX_OR(n, parity, UART_CFG_PARITY_NONE), \
.stop_bits = \
DT_INST_ENUM_IDX_OR(n, stop_bits, UART_CFG_STOP_BITS_1), \
.data_bits = \
DT_INST_ENUM_IDX_OR(n, data_bits, UART_CFG_DATA_BITS_8), \
.parity = DT_INST_ENUM_IDX(n, parity), \
.stop_bits = DT_INST_ENUM_IDX(n, stop_bits), \
.data_bits = DT_INST_ENUM_IDX(n, data_bits), \
}, \
}; \
UART_RZT2M_CONFIG_FUNC(n); \

2
drivers/serial/uart_si32_usart.c
View file

@ -378,7 +378,7 @@ static int usart_si32_init(const struct device *dev)
static const struct usart_si32_config usart_si32_cfg_##index = { \
.usart = (SI32_USART_A_Type *)DT_INST_REG_ADDR(index), \
.hw_flow_control = DT_INST_PROP(index, hw_flow_control), \
.parity = DT_INST_ENUM_IDX_OR(index, parity, UART_CFG_PARITY_NONE), \
.parity = DT_INST_ENUM_IDX(index, parity), \
.clock_dev = DEVICE_DT_GET(DT_INST_CLOCKS_CTLR(index)), \
SI32_USART_IRQ_HANDLER_FUNC(index)}; \
\

69
drivers/serial/uart_stm32.c
View file

@ -2345,18 +2345,13 @@ static void uart_stm32_irq_config_func_##index(const struct device *dev) \
*/
#define STM32_UART_CHECK_DT_PARITY(index) \
BUILD_ASSERT( \
!(DT_INST_ENUM_IDX_OR(index, parity, STM32_UART_DEFAULT_PARITY) \
== UART_CFG_PARITY_MARK || \
DT_INST_ENUM_IDX_OR(index, parity, STM32_UART_DEFAULT_PARITY) \
== UART_CFG_PARITY_SPACE), \
!(DT_INST_ENUM_IDX(index, parity) == UART_CFG_PARITY_MARK || \
DT_INST_ENUM_IDX(index, parity) == UART_CFG_PARITY_SPACE), \
"Node " DT_NODE_PATH(DT_DRV_INST(index)) \
" has unsupported parity configuration"); \
BUILD_ASSERT( \
!(DT_INST_ENUM_IDX_OR(index, parity, STM32_UART_DEFAULT_PARITY) \
!= UART_CFG_PARITY_NONE && \
DT_INST_ENUM_IDX_OR(index, data_bits, \
STM32_UART_DEFAULT_DATA_BITS) \
== UART_CFG_DATA_BITS_9), \
!(DT_INST_ENUM_IDX(index, parity) != UART_CFG_PARITY_NONE && \
DT_INST_ENUM_IDX(index, data_bits) == UART_CFG_DATA_BITS_9), \
"Node " DT_NODE_PATH(DT_DRV_INST(index)) \
" has unsupported parity + data bits combination");
@ -2367,32 +2362,18 @@ BUILD_ASSERT( \
#ifdef LL_USART_DATAWIDTH_7B
#define STM32_UART_CHECK_DT_DATA_BITS(index) \
BUILD_ASSERT( \
!(DT_INST_ENUM_IDX_OR(index, data_bits, \
STM32_UART_DEFAULT_DATA_BITS) \
== UART_CFG_DATA_BITS_5 || \
(DT_INST_ENUM_IDX_OR(index, data_bits, \
STM32_UART_DEFAULT_DATA_BITS) \
== UART_CFG_DATA_BITS_6 && \
DT_INST_ENUM_IDX_OR(index, parity, \
STM32_UART_DEFAULT_PARITY) \
== UART_CFG_PARITY_NONE)), \
!(DT_INST_ENUM_IDX(index, data_bits) == UART_CFG_DATA_BITS_5 || \
(DT_INST_ENUM_IDX(index, data_bits) == UART_CFG_DATA_BITS_6 && \
DT_INST_ENUM_IDX(index, parity) == UART_CFG_PARITY_NONE)), \
"Node " DT_NODE_PATH(DT_DRV_INST(index)) \
" has unsupported data bits configuration");
#else
#define STM32_UART_CHECK_DT_DATA_BITS(index) \
BUILD_ASSERT( \
!(DT_INST_ENUM_IDX_OR(index, data_bits, \
STM32_UART_DEFAULT_DATA_BITS) \
== UART_CFG_DATA_BITS_5 || \
DT_INST_ENUM_IDX_OR(index, data_bits, \
STM32_UART_DEFAULT_DATA_BITS) \
== UART_CFG_DATA_BITS_6 || \
(DT_INST_ENUM_IDX_OR(index, data_bits, \
STM32_UART_DEFAULT_DATA_BITS) \
== UART_CFG_DATA_BITS_7 && \
DT_INST_ENUM_IDX_OR(index, parity, \
STM32_UART_DEFAULT_PARITY) \
== UART_CFG_PARITY_NONE)), \
!(DT_INST_ENUM_IDX(index, data_bits) == UART_CFG_DATA_BITS_5 || \
DT_INST_ENUM_IDX(index, data_bits) == UART_CFG_DATA_BITS_6 || \
(DT_INST_ENUM_IDX(index, data_bits) == UART_CFG_DATA_BITS_7 && \
DT_INST_ENUM_IDX(index, parity) == UART_CFG_PARITY_NONE)), \
"Node " DT_NODE_PATH(DT_DRV_INST(index)) \
" has unsupported data bits configuration");
#endif
@ -2404,9 +2385,7 @@ BUILD_ASSERT( \
#ifndef LL_USART_STOPBITS_0_5
#define STM32_UART_CHECK_DT_STOP_BITS_0_5(index) \
BUILD_ASSERT( \
!(DT_INST_ENUM_IDX_OR(index, stop_bits, \
STM32_UART_DEFAULT_STOP_BITS) \
== UART_CFG_STOP_BITS_0_5), \
DT_INST_ENUM_IDX(index, stop_bits) != UART_CFG_STOP_BITS_0_5, \
"Node " DT_NODE_PATH(DT_DRV_INST(index)) \
" has unsupported stop bits configuration");
/* LPUARTs don't support 0.5 stop bits configurations */
@ -2414,9 +2393,7 @@ BUILD_ASSERT( \
#define STM32_UART_CHECK_DT_STOP_BITS_0_5(index) \
BUILD_ASSERT( \
!(DT_HAS_COMPAT_STATUS_OKAY(st_stm32_lpuart) && \
DT_INST_ENUM_IDX_OR(index, stop_bits, \
STM32_UART_DEFAULT_STOP_BITS) \
== UART_CFG_STOP_BITS_0_5), \
DT_INST_ENUM_IDX(index, stop_bits) == UART_CFG_STOP_BITS_0_5), \
"Node " DT_NODE_PATH(DT_DRV_INST(index)) \
" has unsupported stop bits configuration");
#endif
@ -2428,9 +2405,7 @@ BUILD_ASSERT( \
#ifndef LL_USART_STOPBITS_1_5
#define STM32_UART_CHECK_DT_STOP_BITS_1_5(index) \
BUILD_ASSERT( \
DT_INST_ENUM_IDX_OR(index, stop_bits, \
STM32_UART_DEFAULT_STOP_BITS) \
!= UART_CFG_STOP_BITS_1_5, \
DT_INST_ENUM_IDX(index, stop_bits) != UART_CFG_STOP_BITS_1_5, \
"Node " DT_NODE_PATH(DT_DRV_INST(index)) \
" has unsupported stop bits configuration");
/* LPUARTs don't support 1.5 stop bits configurations */
@ -2438,9 +2413,7 @@ BUILD_ASSERT( \
#define STM32_UART_CHECK_DT_STOP_BITS_1_5(index) \
BUILD_ASSERT( \
!(DT_HAS_COMPAT_STATUS_OKAY(st_stm32_lpuart) && \
DT_INST_ENUM_IDX_OR(index, stop_bits, \
STM32_UART_DEFAULT_STOP_BITS) \
== UART_CFG_STOP_BITS_1_5), \
DT_INST_ENUM_IDX(index, stop_bits) == UART_CFG_STOP_BITS_1_5), \
"Node " DT_NODE_PATH(DT_DRV_INST(index)) \
" has unsupported stop bits configuration");
#endif
@ -2454,14 +2427,10 @@ static const struct stm32_pclken pclken_##index[] = \
STM32_DT_INST_CLOCKS(index);\
\
static struct uart_config uart_cfg_##index = { \
.baudrate = DT_INST_PROP_OR(index, current_speed, \
STM32_UART_DEFAULT_BAUDRATE), \
.parity = DT_INST_ENUM_IDX_OR(index, parity, \
STM32_UART_DEFAULT_PARITY), \
.stop_bits = DT_INST_ENUM_IDX_OR(index, stop_bits, \
STM32_UART_DEFAULT_STOP_BITS), \
.data_bits = DT_INST_ENUM_IDX_OR(index, data_bits, \
STM32_UART_DEFAULT_DATA_BITS), \
.baudrate = DT_INST_PROP(index, current_speed), \
.parity = DT_INST_ENUM_IDX(index, parity), \
.stop_bits = DT_INST_ENUM_IDX(index, stop_bits), \
.data_bits = DT_INST_ENUM_IDX(index, data_bits), \
.flow_ctrl = DT_INST_PROP(index, hw_flow_control) \
? UART_CFG_FLOW_CTRL_RTS_CTS \
: UART_CFG_FLOW_CTRL_NONE, \

5
drivers/serial/uart_stm32.h
View file

@ -18,11 +18,6 @@
#include <stm32_ll_usart.h>
#define STM32_UART_DEFAULT_BAUDRATE 115200
#define STM32_UART_DEFAULT_PARITY UART_CFG_PARITY_NONE
#define STM32_UART_DEFAULT_STOP_BITS UART_CFG_STOP_BITS_1
#define STM32_UART_DEFAULT_DATA_BITS UART_CFG_DATA_BITS_8
/* device config */
struct uart_stm32_config {
/* USART instance */

2
drivers/serial/uart_wch_usart.c
View file

@ -330,7 +330,7 @@ static DEVICE_API(uart, usart_wch_driver_api) = {
static const struct usart_wch_config usart_wch_##idx##_config = { \
.regs = (USART_TypeDef *)DT_INST_REG_ADDR(idx), \
.current_speed = DT_INST_PROP(idx, current_speed), \
.parity = DT_INST_ENUM_IDX_OR(idx, parity, UART_CFG_PARITY_NONE), \
.parity = DT_INST_ENUM_IDX(idx, parity), \
.clock_dev = DEVICE_DT_GET(DT_INST_CLOCKS_CTLR(idx)), \
.clock_id = DT_INST_CLOCKS_CELL(idx, id), \
.pin_cfg = PINCTRL_DT_INST_DEV_CONFIG_GET(idx), \

2
drivers/serial/usart_gd32.c
View file

@ -335,7 +335,7 @@ static DEVICE_API(uart, usart_gd32_driver_api) = {
.clkid = DT_INST_CLOCKS_CELL(n, id), \
.reset = RESET_DT_SPEC_INST_GET(n), \
.pcfg = PINCTRL_DT_INST_DEV_CONFIG_GET(n), \
.parity = DT_INST_ENUM_IDX_OR(n, parity, UART_CFG_PARITY_NONE), \
.parity = DT_INST_ENUM_IDX(n, parity), \
GD32_USART_IRQ_HANDLER_FUNC_INIT(n) \
}; \
DEVICE_DT_INST_DEFINE(n, usart_gd32_init, \

15
dts/bindings/serial/adi,max32-uart.yaml
View file

@ -34,3 +34,18 @@ properties:
- 5: "ADI_MAX32_PRPH_CLK_SRC_INRO" Internal Ring Oscillator
The target device might not support all option please take a look on
target device user guide
current-speed:
description: |
Initial baud rate setting for UART. Defaults to standard baudrate of 115200 if not specified.
default: 115200
stop-bits:
description: |
Sets the number of stop bits. Defaults to standard of 1 if not specified.
default: "1"
data-bits:
description: |
Sets the number of data bits. Defaults to standard of 8 if not specified.
default: 8

10
dts/bindings/serial/altr,uart.yaml
View file

@ -13,6 +13,16 @@ properties:
required: true
description: Default baudrate of the uart controller.
stop-bits:
description: |
Sets the number of stop bits. Defaults to standard of 1 if not specified.
default: "1"
data-bits:
description: |
Sets the number of data bits. Defaults to standard of 8 if not specified.
default: 8
fixed-baudrate:
type: boolean
description: |

10
dts/bindings/serial/espressif,esp32-uart.yaml
View file

@ -14,6 +14,16 @@ properties:
pinctrl-names:
required: true
stop-bits:
description: |
Sets the number of stop bits. Defaults to standard of 1 if not specified.
default: "1"
data-bits:
description: |
Sets the number of data bits. Defaults to standard of 8 if not specified.
default: 8
hw-rs485-hd-mode:
type: boolean
description: |

10
dts/bindings/serial/infineon,cat1-uart.yaml
View file

@ -39,3 +39,13 @@ properties:
pinctrl-names:
required: true
stop-bits:
description: |
Sets the number of stop bits. Defaults to standard of 1 if not specified.
default: "1"
data-bits:
description: |
Sets the number of data bits. Defaults to standard of 8 if not specified.
default: 8

10
dts/bindings/serial/intel,lw_uart.yaml
View file

@ -17,3 +17,13 @@ properties:
type: boolean
description: |
Baud rate cannot be changed by software (Divisor register is not writable)
stop-bits:
description: |
Sets the number of stop bits. Defaults to standard of 1 if not specified.
default: "1"
data-bits:
description: |
Sets the number of data bits. Defaults to standard of 8 if not specified.
default: 8

15
dts/bindings/serial/renesas,rz-scif-uart.yaml
View file

@ -8,6 +8,21 @@ compatible: "renesas,rz-scif-uart"
include: [uart-controller.yaml, pinctrl-device.yaml]
properties:
current-speed:
description: |
Initial baud rate setting for UART. Defaults to standard baudrate of 115200 if not specified.
default: 115200
stop-bits:
description: |
Sets the number of stop bits. Defaults to standard of 1 if not specified.
default: "1"
data-bits:
description: |
Sets the number of data bits. Defaults to standard of 8 if not specified.
default: 8
channel:
type: int
required: true

10
dts/bindings/serial/renesas,rzt2m-uart.yaml
View file

@ -22,5 +22,15 @@ properties:
- 9600
- 115200
stop-bits:
description: |
Sets the number of stop bits. Defaults to standard of 1 if not specified.
default: "1"
data-bits:
description: |
Sets the number of data bits. Defaults to standard of 8 if not specified.
default: 8
interrupts:
required: true

15
dts/bindings/serial/st,stm32-uart-base.yaml
View file

@ -25,6 +25,21 @@ properties:
interrupts:
required: true
current-speed:
description: |
Initial baud rate setting for UART. Defaults to standard baudrate of 115200 if not specified.
default: 115200
stop-bits:
description: |
Sets the number of stop bits. Defaults to standard of 1 if not specified.
default: "1"
data-bits:
description: |
Sets the number of data bits. Defaults to standard of 8 if not specified.
default: 8
single-wire:
type: boolean
description: |

13
dts/bindings/serial/ti,cc13xx-cc26xx-uart.yaml
View file

@ -13,3 +13,16 @@ properties:
interrupts:
required: true
current-speed:
required: true
stop-bits:
description: |
Sets the number of stop bits. Defaults to standard of 1 if not specified.
default: "1"
data-bits:
description: |
Sets the number of data bits. Defaults to standard of 8 if not specified.
default: 8

1
dts/bindings/serial/uart-controller.yaml
View file

@ -23,6 +23,7 @@ properties:
- "none"
- "odd"
- "even"
default: "none"
stop-bits:
type: string
description: |