From 78741ce91e1285c9fbb3ba554f5f968dfca58ede Mon Sep 17 00:00:00 2001
From: Haojian Zhuang <haojian.zhuang@linaro.org>
Date: Mon, 14 Mar 2016 13:30:36 +0800
Subject: EmbeddedPkg: enhance for multiple gpio controllers

EmbeddedGpio only supports one gpio controller in one platform. Now
create PLATFORM_GPIO_CONTROLLER to support multiple gpio controllers
in one platform.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
---
 EmbeddedPkg/Include/Protocol/EmbeddedGpio.h | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

(limited to 'EmbeddedPkg/Include/Protocol/EmbeddedGpio.h')

diff --git a/EmbeddedPkg/Include/Protocol/EmbeddedGpio.h b/EmbeddedPkg/Include/Protocol/EmbeddedGpio.h
index 4e7c8dbcd6..b8bc929b77 100644
--- a/EmbeddedPkg/Include/Protocol/EmbeddedGpio.h
+++ b/EmbeddedPkg/Include/Protocol/EmbeddedGpio.h
@@ -164,4 +164,21 @@ struct _EMBEDDED_GPIO {
 
 extern EFI_GUID gEmbeddedGpioProtocolGuid;
 
+typedef struct _GPIO_CONTROLLER              GPIO_CONTROLLER;
+typedef struct _PLATFORM_GPIO_CONTROLLER     PLATFORM_GPIO_CONTROLLER;
+
+struct _GPIO_CONTROLLER {
+  UINTN                   RegisterBase;
+  UINTN                   GpioIndex;
+  UINTN                   InternalGpioCount;
+};
+
+struct _PLATFORM_GPIO_CONTROLLER {
+  UINTN                   GpioCount;
+  UINTN                   GpioControllerCount;
+  GPIO_CONTROLLER         *GpioController;
+};
+
+extern EFI_GUID gPlatformGpioProtocolGuid;
+
 #endif
-- 
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