linux-kernel - [PATCH 4/8] platform/x86/intel/pmc: Add PSON residency counter for Alder Lake

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Date: Mon, 18 Dec 2023 20:22:12 -0800
From: rjingar <rajvi.jingar@...ux.intel.com>
To: irenic.rajneesh@...il.com,
	david.e.box@...el.com,
	hdegoede@...hat.com,
	ilpo.jarvinen@...ux.intel.com,
	platform-driver-x86@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: rajvi.jingar@...ux.intel.com
Subject: [PATCH 4/8] platform/x86/intel/pmc: Add PSON residency counter for Alder Lake

From: Rajvi Jingar <rajvi.jingar@...ux.intel.com>

Add PSON register offsets for Alder Lake PCH that provides an access to
PSON residency counter.

Signed-off-by: Rajvi Jingar <rajvi.jingar@...ux.intel.com>
---
 drivers/platform/x86/intel/pmc/adl.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/platform/x86/intel/pmc/adl.c b/drivers/platform/x86/intel/pmc/adl.c
index 64c492391ede..882f2d5d8937 100644
--- a/drivers/platform/x86/intel/pmc/adl.c
+++ b/drivers/platform/x86/intel/pmc/adl.c
@@ -307,6 +307,8 @@ const struct pmc_reg_map adl_reg_map = {
 	.lpm_sts = adl_lpm_maps,
 	.lpm_status_offset = ADL_LPM_STATUS_OFFSET,
 	.lpm_live_status_offset = ADL_LPM_LIVE_STATUS_OFFSET,
+	.pson_residency_offset = TGL_PSON_RESIDENCY_OFFSET,
+	.pson_residency_counter_step = TGL_PSON_RES_COUNTER_STEP,
 };
 
 int adl_core_init(struct pmc_dev *pmcdev)
-- 
2.34.1