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mfd: tqmx86: Assume 24MHz LPC clock for unknown boards 

All future TQMx86 modules should use a 24MHz LPC clock. Warn about
unknown boards, but assume this is the case.

Signed-off-by: Matthias Schiffer <matthias.schiffer@ew.tq-group.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Matthias Schiffer 2021-07-16 12:00:53 +02:00 committed by Lee Jones
parent d5949a35cc
commit 9a8c4bace0
1 changed files with 5 additions and 3 deletions
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8
drivers/mfd/tqmx86.c
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@ -147,7 +147,7 @@ static const char *tqmx86_board_id_to_name(u8 board_id)
}
}
static int tqmx86_board_id_to_clk_rate(u8 board_id)
static int tqmx86_board_id_to_clk_rate(struct device *dev, u8 board_id)
{
switch (board_id) {
case TQMX86_REG_BOARD_ID_50UC:
@ -168,7 +168,9 @@ static int tqmx86_board_id_to_clk_rate(u8 board_id)
case TQMX86_REG_BOARD_ID_E38C:
return 33000;
default:
return 0;
dev_warn(dev, "unknown board %d, assuming 24MHz LPC clock\n",
board_id);
return 24000;
}
}
@ -229,7 +231,7 @@ static int tqmx86_probe(struct platform_device *pdev)
tqmx_gpio_resources[0].flags = 0;
}
ocores_platform_data.clock_khz = tqmx86_board_id_to_clk_rate(board_id);
ocores_platform_data.clock_khz = tqmx86_board_id_to_clk_rate(dev, board_id);
if (i2c_det == TQMX86_REG_I2C_DETECT_SOFT) {
err = devm_mfd_add_devices(dev, PLATFORM_DEVID_NONE,