[S] Change in coreboot[master]: drivers/i2c/designware: Add 100 MHz controller base clock

[Werner Zeh (Code Review)]

Werner Zeh has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/69304 )

Change subject: drivers/i2c/designware: Add 100 MHz controller base clock
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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 
---
M src/drivers/i2c/designware/dw_i2c.c
1 file changed, 21 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/04/69304/1

diff --git a/src/drivers/i2c/designware/dw_i2c.c b/src/drivers/i2c/designware/dw_i2c.c
index ecd9e88..1e3163a 100644
--- a/src/drivers/i2c/designware/dw_i2c.c
+++ b/src/drivers/i2c/designware/dw_i2c.c
@@ -196,6 +196,13 @@
    struct freq freq;
 } soc_clocks[] = {
    {
+		.clk_speed_mhz = 100,
+		.freq = {
+			.ticks = 100,
+			.ns = 1000,
+		},
+	},
+	{
    	.clk_speed_mhz = 120,
    	.freq = {
    		.ticks = 120,