From d5bb4f862b47ad9112132071ad18f9936494e307 Mon Sep 17 00:00:00 2001 From: Andy Shevchenko Date: Tue, 20 Nov 2018 23:52:33 +0200 Subject: dm: serial: Introduce ->getinfo() callback New callback will give a necessary information to fill up ACPI SPCR table, for example. Maybe used later for other purposes. Signed-off-by: Andy Shevchenko Reviewed-by: Simon Glass Change ADR_SPACE_SYSTEM_IO to SERIAL_ADDRESS_SPACE_IO to fix build error: Signed-off-by: Simon Glass --- drivers/serial/sandbox.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) (limited to 'drivers/serial/sandbox.c') diff --git a/drivers/serial/sandbox.c b/drivers/serial/sandbox.c index 76d26d3c59..33102fc872 100644 --- a/drivers/serial/sandbox.c +++ b/drivers/serial/sandbox.c @@ -188,6 +188,26 @@ static int sandbox_serial_setconfig(struct udevice *dev, uint serial_config) return 0; } +static int sandbox_serial_getinfo(struct udevice *dev, + struct serial_device_info *serial_info) +{ + struct serial_device_info info = { + .type = SERIAL_CHIP_UNKNOWN, + .addr_space = SERIAL_ADDRESS_SPACE_IO, + .addr = SERIAL_DEFAULT_ADDRESS, + .reg_width = 1, + .reg_offset = 0, + .reg_shift = 0, + }; + + if (!serial_info) + return -EINVAL; + + *serial_info = info; + + return 0; +} + #if CONFIG_IS_ENABLED(OF_CONTROL) static const char * const ansi_colour[] = { "black", "red", "green", "yellow", "blue", "megenta", "cyan", @@ -221,6 +241,7 @@ static const struct dm_serial_ops sandbox_serial_ops = { .getc = sandbox_serial_getc, .getconfig = sandbox_serial_getconfig, .setconfig = sandbox_serial_setconfig, + .getinfo = sandbox_serial_getinfo, }; static const struct udevice_id sandbox_serial_ids[] = { -- cgit