Commit 346c8364 authored by Andy Shevchenko's avatar Andy Shevchenko
Browse files

pinctrl: intel: Add ~4k bias support 



All versions that have 20k and 5k resistance, i.e. all that
the driver supports, may support ~4k when the above mentioned
are connected in parallel. Add such a support.

Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: default avatarMika Westerberg <mika.westerberg@linux.intel.com>
parent a63dd601

drivers/pinctrl/intel/pinctrl-intel.c

+12 −0
Original line number Diff line number Diff line
@@ -577,6 +577,9 @@ static int intel_config_get_pull(struct intel_pinctrl *pctrl, unsigned int pin, 
		case PADCFG1_TERM_1K:

			*arg = 1000;

			break;

		case PADCFG1_TERM_4K:

			*arg = 4000;

			break;

		case PADCFG1_TERM_5K:

			*arg = 5000;

			break;
@@ -602,6 +605,9 @@ static int intel_config_get_pull(struct intel_pinctrl *pctrl, unsigned int pin, 
				return -EINVAL;

			*arg = 1000;

			break;

		case PADCFG1_TERM_4K:

			*arg = 4000;

			break;

		case PADCFG1_TERM_5K:

			*arg = 5000;

			break;
@@ -712,6 +718,9 @@ static int intel_config_set_pull(struct intel_pinctrl *pctrl, unsigned int pin, 
		case 5000:

			value |= PADCFG1_TERM_5K << PADCFG1_TERM_SHIFT;

			break;

		case 4000:

			value |= PADCFG1_TERM_4K << PADCFG1_TERM_SHIFT;

			break;

		case 1000:

			value |= PADCFG1_TERM_1K << PADCFG1_TERM_SHIFT;

			break;
@@ -734,6 +743,9 @@ static int intel_config_set_pull(struct intel_pinctrl *pctrl, unsigned int pin, 
		case 5000:

			value |= PADCFG1_TERM_5K << PADCFG1_TERM_SHIFT;

			break;

		case 4000:

			value |= PADCFG1_TERM_4K << PADCFG1_TERM_SHIFT;

			break;

		case 1000:

			if (!(community->features & PINCTRL_FEATURE_1K_PD)) {

				ret = -EINVAL;