[XS] Change in coreboot[main]: soc/intel/mtl: Set slp-s0 counter frequency

[Subrata Banik (Code Review)]

Subrata Banik has submitted this change. ( https://review.coreboot.org/c/coreboot/+/78277?usp=email )

Change subject: soc/intel/mtl: Set slp-s0 counter frequency
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soc/intel/mtl: Set slp-s0 counter frequency

System sleep time (SLP_S0 signal asserted) is measured in ticks, for
Meteor Lake soc in 122us (i.e. ~8197Hz) granularity/ticks.

Change-Id: I1e95cd69e941d4d72d5c36a07660ca07ee2499ba
Signed-off-by: Sukumar Ghorai 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/78277
Tested-by: build bot (Jenkins) 
Reviewed-by: Kapil Porwal 
Reviewed-by: Subrata Banik 
---
M src/soc/intel/meteorlake/Kconfig
1 file changed, 6 insertions(+), 0 deletions(-)

Approvals:
  build bot (Jenkins): Verified
  Subrata Banik: Looks good to me, approved
  Kapil Porwal: Looks good to me, approved

diff --git a/src/soc/intel/meteorlake/Kconfig b/src/soc/intel/meteorlake/Kconfig
index b1a1cad..968d1a1 100644
--- a/src/soc/intel/meteorlake/Kconfig
+++ b/src/soc/intel/meteorlake/Kconfig
@@ -447,4 +447,10 @@
    int
    default 161

+config ACPI_SOC_INTEL_SLP_S0_FREQ_HZ
+	hex
+	default 0x2005
+	help
+	  slp_s0_residency granularity in 122us ticks (i.e. ~8.2KHz) in Meteor Lake.
+
 endif