serial: Extend structure comments with register offset
This information help with debugging issues with uart.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
diff --git a/drivers/serial/serial_zynq.c b/drivers/serial/serial_zynq.c
index 74c4496..3e2b8dc 100644
--- a/drivers/serial/serial_zynq.c
+++ b/drivers/serial/serial_zynq.c
@@ -27,14 +27,14 @@
#define ZYNQ_UART_MR_PARITY_NONE 0x00000020 /* No parity mode */
struct uart_zynq {
- u32 control; /* Control Register [8:0] */
- u32 mode; /* Mode Register [10:0] */
+ u32 control; /* 0x0 - Control Register [8:0] */
+ u32 mode; /* 0x4 - Mode Register [10:0] */
u32 reserved1[4];
- u32 baud_rate_gen; /* Baud Rate Generator [15:0] */
+ u32 baud_rate_gen; /* 0x18 - Baud Rate Generator [15:0] */
u32 reserved2[4];
- u32 channel_sts; /* Channel Status [11:0] */
- u32 tx_rx_fifo; /* FIFO [15:0] or [7:0] */
- u32 baud_rate_divider; /* Baud Rate Divider [7:0] */
+ u32 channel_sts; /* 0x2c - Channel Status [11:0] */
+ u32 tx_rx_fifo; /* 0x30 - FIFO [15:0] or [7:0] */
+ u32 baud_rate_divider; /* 0x34 - Baud Rate Divider [7:0] */
};
static struct uart_zynq *uart_zynq_ports[2] = {