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* [PATCH v1 1/1] pinctrl: intel: Add a human readable decoder for pull bias values
@ 2024-10-24 15:10 Andy Shevchenko
  2024-10-24 15:28 ` Mika Westerberg
  0 siblings, 1 reply; 3+ messages in thread
From: Andy Shevchenko @ 2024-10-24 15:10 UTC (permalink / raw)
  To: Andy Shevchenko, linux-gpio, linux-kernel
  Cc: Mika Westerberg, Andy Shevchenko, Linus Walleij

Add a human readable decoder for pull bias values in the comment.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 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


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2024-10-24 15:10 [PATCH v1 1/1] pinctrl: intel: Add a human readable decoder for pull bias values Andy Shevchenko
2024-10-24 15:28 ` Mika Westerberg
2024-10-24 15:49   ` Andy Shevchenko

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