[PATCH v1 1/1] pinctrl: intel: Add a human readable decoder for pull bias values
From: Andy Shevchenko
Date: Thu Oct 24 2024 - 11:10:57 EST
Add a human readable decoder for pull bias values in the comment.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
drivers/pinctrl/intel/pinctrl-intel.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/drivers/pinctrl/intel/pinctrl-intel.c b/drivers/pinctrl/intel/pinctrl-intel.c
index f6f6d3970d5d..86cabb73904f 100644
--- a/drivers/pinctrl/intel/pinctrl-intel.c
+++ b/drivers/pinctrl/intel/pinctrl-intel.c
@@ -85,6 +85,18 @@
#define PADCFG1_TERM_UP BIT(13)
#define PADCFG1_TERM_SHIFT 10
#define PADCFG1_TERM_MASK GENMASK(12, 10)
+/*
+ * Bit 0 Bit 1 Bit 2 Value, Ohms
+ *
+ * 0 0 0 -
+ * 0 0 1 20000
+ * 0 1 0 5000
+ * 0 1 1 ~4000
+ * 1 0 0 1000 (if supported)
+ * 1 0 1 ~952 (if supported)
+ * 1 1 0 ~833 (if supported)
+ * 1 1 1 ~800 (if supported)
+ */
#define PADCFG1_TERM_20K BIT(2)
#define PADCFG1_TERM_5K BIT(1)
#define PADCFG1_TERM_4K (BIT(2) | BIT(1))
--
2.43.0.rc1.1336.g36b5255a03ac