From d6dbdb264f947c2cca1b2c067bc5090da04cf2e1 Mon Sep 17 00:00:00 2001
From: Akshu Agrawal <akshu.agrawal@amd.com>
Date: Tue, 17 Apr 2018 17:59:17 +0800
Subject: soc/amd/stonyridge: Add misc device

oscout system clock is present in FCH misc device.
The kernel acpi misc driver will use the resource to
register oscout system clock.

BUG=b:74570989
TEST=Tested clock enable/disable in kernel driver

Change-Id: Ia90d3abab447fb5d27f454d9d6c33d0b5c3a0f16
Signed-off-by: Akshu Agrawal <akshu.agrawal@amd.com>
Reviewed-on: https://review.coreboot.org/25918
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
---
 src/soc/amd/stoneyridge/acpi/sb_fch.asl | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'src')

diff --git a/src/soc/amd/stoneyridge/acpi/sb_fch.asl b/src/soc/amd/stoneyridge/acpi/sb_fch.asl
index 2ffd951935..114401e24b 100644
--- a/src/soc/amd/stoneyridge/acpi/sb_fch.asl
+++ b/src/soc/amd/stoneyridge/acpi/sb_fch.asl
@@ -14,6 +14,7 @@
  */
 
 #include <soc/gpio.h>
+#include <soc/iomap.h>
 
 Device (AAHB)
 {
@@ -137,3 +138,16 @@ Device (I2CD)
 		Return (0x0F)
 	}
 }
+
+Device (MISC)
+{
+	Name (_HID, "AMD0040")
+	Name (_UID, 0x3)
+	Name (_CRS, ResourceTemplate() {
+		Memory32Fixed(ReadWrite, MISC_MMIO_BASE, 0x100)
+	})
+	Method (_STA, 0x0, NotSerialized)
+	{
+		Return (0x0F)
+	}
+}
-- 
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