diff mbox series

[edk2,edk2-platforms,v5,10/11] D05/ACPI: Modify I2C device

Message ID 1506655190-56231-11-git-send-email-heyi.guo@linaro.org
State New
Headers show
Series Improve D0x platforms and bug fix | expand

Commit Message

gary guo Sept. 29, 2017, 3:19 a.m. UTC 
From: Ming Huang <huangming23@huawei.com>


1. Disable I2C0 device avoiding access conflict in OS, for it is used
   by UEFI to access DS3231 RTC chip and provide time services;
2. Modify _HID of I2C2 for matching the string in OS driver;

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Ming Huang <huangming23@huawei.com>

Signed-off-by: Heyi Guo <heyi.guo@linaro.org>

---
 Silicon/Hisilicon/Hi1616/D05AcpiTables/Dsdt/D05I2c.asl | 20 +-------------------
 1 file changed, 1 insertion(+), 19 deletions(-)

-- 
1.9.1

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diff mbox series

Patch

diff --git a/Silicon/Hisilicon/Hi1616/D05AcpiTables/Dsdt/D05I2c.asl b/Silicon/Hisilicon/Hi1616/D05AcpiTables/Dsdt/D05I2c.asl
index eb906ef..3cc60d1 100644
--- a/Silicon/Hisilicon/Hi1616/D05AcpiTables/Dsdt/D05I2c.asl
+++ b/Silicon/Hisilicon/Hi1616/D05AcpiTables/Dsdt/D05I2c.asl
@@ -18,26 +18,8 @@ 
 
 Scope(_SB)
 {
-  Device(I2C0) {
-    Name(_HID, "APMC0D0F")
-    Name(_CID, "APMC0D0F")
-    Name(_CRS, ResourceTemplate() {
-      Memory32Fixed(ReadWrite, 0xd00e0000, 0x10000)
-      Interrupt(ResourceConsumer, Level, ActiveHigh, Exclusive, 0, "\\_SB.MBI6") { 705 }
-    })
-    Name (_DSD, Package () {
-      ToUUID("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"),
-      Package () {
-        Package () {"clock-frequency", 100000},
-        Package () {"i2c-sda-falling-time-ns", 913},
-        Package () {"i2c-scl-falling-time-ns", 303},
-        Package () {"i2c-sda-hold-time-ns", 0x9c2},
-      }
-    })
-  }
-
   Device(I2C2) {
-    Name(_HID, "APMC0D0F")
+    Name(_HID, "HISI02A1")
     Name(_CID, "APMC0D0F")
     Name(_CRS, ResourceTemplate() {
       Memory32Fixed(ReadWrite, 0xd0100000, 0x10000)