x86: acpi: Enable RTC for Intel Tangier

Intel Tangier SoC has RTC inside. So, enable it in ACPI. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

x86: acpi: Enable RTC for Intel Tangier
Intel Tangier SoC has RTC inside. So, enable it in ACPI. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Andy Shevchenko · Bin Meng
1 parent cde578ff36
Showing 1 changed file with 13 additions and 0 deletions Side-by-side Diff
arch/x86/include/asm/arch-tangier/acpi/platform.asl
@@ -21,6 +21,19 @@
     Return (Package() {0, 0})
 }
  
+Scope (_SB)
+{
+    /* Real Time Clock */
+    Device (RTC0)
+    {
+        Name (_HID, EisaId ("PNP0B00"))
+        Name (_CRS, ResourceTemplate()
+        {
+            IO(Decode16, 0x70, 0x70, 0x01, 0x08)
+        })
+    }
+}
+
 /* ACPI global NVS */
 #include "global_nvs.asl"
...	...	@@ -21,6 +21,19 @@
21	21	Return (Package() {0, 0})
22	22	}
23	23
	24	+Scope (_SB)
	25	+{
	26	+ /* Real Time Clock */
	27	+ Device (RTC0)
	28	+ {
	29	+ Name (_HID, EisaId ("PNP0B00"))
	30	+ Name (_CRS, ResourceTemplate()
	31	+ {
	32	+ IO(Decode16, 0x70, 0x70, 0x01, 0x08)
	33	+ })
	34	+ }
	35	+}
	36	+
24	37	/* ACPI global NVS */
25	38	#include "global_nvs.asl"
26	39