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Commit 7eb5dcb1 authored by Kaushal Kumar's avatar Kaushal Kumar
Browse files

pinctrl: msm: Add input enable support to tlmm 



Add input enable support to tlmm. This support
is needed to achieve higher power savings by
configuring any unused pin as input and bias-pull-down.

CRs-Fixed: 668615
Change-Id: I1a3042c2b6a0d01c8014b75852c544227b00cbaa
Signed-off-by: default avatarKaushal Kumar <kaushalk@codeaurora.org>
parent fe388ba1

drivers/pinctrl/pinctrl-msm-tlmm.c

+13 −0
Original line number Diff line number Diff line
@@ -400,6 +400,19 @@ static int msm_tlmm_gp_cfg(uint pin_no, unsigned long *config, 
			data = inout_val_to_dir(inout_val);

		}

		break;

	case PIN_CONFIG_INPUT_ENABLE:

		mask = TLMM_GP_DIR_MASK;

		shft = TLMM_GP_DIR_SHFT;

		inout_reg = TLMM_GP_INOUT(pinfo, pin_no);

		if (write) {

			/* GPIO_IN (b0) of TLMM_GPIO_IN_OUT is read-only */

			data = 0;

		} else {

			inout_val = readl_relaxed(inout_reg);

			data = inout_val;

		}

		break;



	default:

		return -EINVAL;

	};