We need to also support 16-bit writes for i2c in addition to the reads
when we start configuring the sysconfig register for reset and idle modes.
Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx>
---
drivers/bus/ti-sysc.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c
--- a/drivers/bus/ti-sysc.c
+++ b/drivers/bus/ti-sysc.c
@@ -100,6 +100,13 @@ static void sysc_parse_dts_quirks(struct sysc *ddata, struct device_node *np,
static void sysc_write(struct sysc *ddata, int offset, u32 value)
{
+ if (ddata->cfg.quirks & SYSC_QUIRK_16BIT) {
+ writew_relaxed(value & 0xffff, ddata->module_va + offset);
+ writew_relaxed(value >> 16, ddata->module_va + offset + 4);
+
+ return;
+ }
+
writel_relaxed(value, ddata->module_va + offset);
}
--
2.21.0
