From 6b4a1ab82a49c9288f7964b9c1836729dcc340a6 Mon Sep 17 00:00:00 2001 From: Werner Zeh Date: Mon, 7 Nov 2022 07:46:49 +0100 Subject: drivers/i2c/designware: Add 100 MHz controller base clock There are SoCs (for instance Intel Elkhart Lake) that do use 100 MHz as the base clock for I2C controllers. To support them properly add a frequency setting for 100 MHz to the designware I2C controller driver. Change-Id: I9ea11c6a41fd3758b771a416251e108cbe722769 Signed-off-by: Werner Zeh Reviewed-on: https://review.coreboot.org/c/coreboot/+/69304 Tested-by: build bot (Jenkins) Reviewed-by: Mario Scheithauer --- src/drivers/i2c/designware/dw_i2c.c | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'src') diff --git a/src/drivers/i2c/designware/dw_i2c.c b/src/drivers/i2c/designware/dw_i2c.c index ecd9e88698..1e3163a736 100644 --- a/src/drivers/i2c/designware/dw_i2c.c +++ b/src/drivers/i2c/designware/dw_i2c.c @@ -195,6 +195,13 @@ static const struct soc_clock { int clk_speed_mhz; struct freq freq; } soc_clocks[] = { + { + .clk_speed_mhz = 100, + .freq = { + .ticks = 100, + .ns = 1000, + }, + }, { .clk_speed_mhz = 120, .freq = { -- cgit v1.2.3