drivers: serial: uart_miv: Convert to use DTS

Update the uart_miv driver to get params like name, addr, baud-rate,
clock freq from DTS generated defines.  Fixup related board and soc code
as needed.

Signed-off-by: Kumar Gala <[email protected]>

Author: galak

boards/riscv32/m2gl025_miv/board.h

@@ -9,6 +9,4 @@
 
 #include <soc.h>
 
-#define uart_miv_port_0_clk_freq    66000000
-
 #endif /* __INC_BOARD_H */

boards/riscv32/m2gl025_miv/m2gl025_miv_defconfig

@@ -6,10 +6,7 @@ CONFIG_CONSOLE=y
 CONFIG_SERIAL=y
 CONFIG_UART_MIV=y
 CONFIG_UART_MIV_PORT_0=y
-CONFIG_UART_MIV_PORT_0_BAUD_RATE=115200
-CONFIG_UART_MIV_PORT_0_NAME="uart0"
 CONFIG_UART_CONSOLE=y
-CONFIG_UART_CONSOLE_ON_DEV_NAME="uart0"
 CONFIG_PLIC=y
 CONFIG_RISCV_MACHINE_TIMER=y
 CONFIG_GPIO=n

drivers/serial/Kconfig.miv

@@ -16,25 +16,3 @@ menuconfig UART_MIV_PORT_0
 	help
 	  This tells the driver to configure the UART port at boot, depending on
 	  the additional configuration options below.
-
-config UART_MIV_PORT_0_NAME
-	string "Port 0 Device Name"
-	default "uart0"
-	depends on UART_MIV_PORT_0
-	help
-	  This is the device name for UART, and is included in the device
-	  struct.
-
-config UART_MIV_PORT_0_BAUD_RATE
-	int "Port 0 Baud Rate"
-	default 0
-	depends on UART_MIV_PORT_0
-	help
-	  The baud rate for UART port to be set to at boot.
-
-config UART_MIV_PORT_0_IRQ_PRIORITY
-	int "Port 0 Interrupt Priority"
-	default 1
-	depends on UART_MIV_PORT_0
-	help
-	  Port 0 Interrupt Priority

drivers/serial/uart_miv.c

@@ -7,7 +7,6 @@
 #include <kernel.h>
 #include <arch/cpu.h>
 #include <uart.h>
-#include <board.h>
 
 
 /* UART REGISTERS DEFINITIONS */
@@ -391,16 +390,16 @@ static void uart_miv_irq_cfg_func_0(struct device *dev);
 #endif
 
 static const struct uart_miv_device_config uart_miv_dev_cfg_0 = {
-	.uart_addr    = MIV_UART_0_BASE_ADDR,
-	.sys_clk_freq = uart_miv_port_0_clk_freq,
+	.uart_addr    = CONFIG_MIV_UART_0_BASE_ADDR,
+	.sys_clk_freq = CONFIG_MIV_UART_0_CLOCK_FREQUENCY,
 	.line_config  = MIV_UART_0_LINECFG,
-	.baud_rate    = CONFIG_UART_MIV_PORT_0_BAUD_RATE,
+	.baud_rate    = CONFIG_MIV_UART_0_BAUD_RATE,
 #ifdef CONFIG_UART_INTERRUPT_DRIVEN
 	.cfg_func     = uart_miv_irq_cfg_func_0,
 #endif
 };
 
-DEVICE_AND_API_INIT(uart_miv_0, CONFIG_UART_MIV_PORT_0_NAME,
+DEVICE_AND_API_INIT(uart_miv_0, CONFIG_MIV_UART_0_NAME,
 		    uart_miv_init, &uart_miv_data_0, &uart_miv_dev_cfg_0,
 		    PRE_KERNEL_1, CONFIG_KERNEL_INIT_PRIORITY_DEVICE,
 		    (void *)&uart_miv_driver_api);

soc/riscv32/riscv-privilege/miv/soc.h

@@ -38,7 +38,6 @@
 #define MIV_GPIO_31_IRQ          (RISCV_MAX_GENERIC_IRQ + 31)
 
 /* UART Configuration */
-#define MIV_UART_0_BASE_ADDR         0x70001000
 #define MIV_UART_0_LINECFG           0x1
 
 /* GPIO Configuration */