Read the ioclk property as reference clock if sclk not present in acpi
table to make it SOC agnostic.
In case, it's not populated from dts/acpi table, use the default clock
of 800 MHz which is optimal in either case of sclk/ioclk.
Signed-off-by: Piyush Malgujar <pmalgujar@xxxxxxxxxxx>
---
drivers/i2c/busses/i2c-thunderx-pcidrv.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/i2c/busses/i2c-thunderx-pcidrv.c b/drivers/i2c/busses/i2c-thunderx-pcidrv.c
index 31f11b77ab663626967c86086a03213876bf4a07..32d0e3930b675484138084e1bbed2e7cf898e1e1 100644
--- a/drivers/i2c/busses/i2c-thunderx-pcidrv.c
+++ b/drivers/i2c/busses/i2c-thunderx-pcidrv.c
@@ -27,7 +27,7 @@
#define PCI_DEVICE_ID_THUNDER_TWSI 0xa012
-#define SYS_FREQ_DEFAULT 700000000
+#define SYS_FREQ_DEFAULT 800000000
#define OTX2_REF_FREQ_DEFAULT 100000000
#define TWSI_INT_ENA_W1C 0x1028
@@ -100,7 +100,8 @@ static void thunder_i2c_clock_enable(struct device *dev, struct octeon_i2c *i2c)
i2c->sys_freq = clk_get_rate(i2c->clk);
} else {
/* ACPI */
- device_property_read_u32(dev, "sclk", &i2c->sys_freq);
+ if (device_property_read_u32(dev, "sclk", &i2c->sys_freq))
+ device_property_read_u32(dev, "ioclk", &i2c->sys_freq);
}
skip:
--
2.43.0
