sh: sh7785lcr: fix prototype board on 32bit MMU mode.

Fix up PCA9564 resources on 32bit MMU mode using prototype board.

Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
Tested-by: Raul Porcel <armin76@gentoo.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

2 files changed, 25 insertions, 0 deletions

diff --git a/arch/sh/boards/Kconfig b/arch/sh/boards/Kconfig
index b66f6d16523e..ee5bb200c715 100644
--- a/arch/sh/boards/Kconfig
+++ b/arch/sh/boards/Kconfig
@@ -171,6 +171,13 @@ config SH_SH7785LCR_29BIT_PHYSMAPS
           DIP switch(S2-5). If you set the DIP switch for S2-5 = ON,
           you can access all on-board device in 29bit address mode.
 
+config SH_SH7785LCR_PT
+        bool "SH7785LCR prototype board on 32-bit MMU mode"
+        depends on SH_SH7785LCR && 32BIT
+        default n
+        help
+          If you use prototype board, this option is enabled.
+
 config SH_URQUELL
         bool "Urquell"
         depends on CPU_SUBTYPE_SH7786
diff --git a/arch/sh/boards/board-sh7785lcr.c b/arch/sh/boards/board-sh7785lcr.c
index 42410a15d255..726427c3522b 100644
--- a/arch/sh/boards/board-sh7785lcr.c
+++ b/arch/sh/boards/board-sh7785lcr.c
@@ -223,6 +223,19 @@ static struct platform_device sm501_device = {
         .resource       = sm501_resources,
 };
 
+static struct resource i2c_proto_resources[] = {
+        [0] = {
+                .start  = PCA9564_PROTO_32BIT_ADDR,
+                .end    = PCA9564_PROTO_32BIT_ADDR + PCA9564_SIZE - 1,
+                .flags  = IORESOURCE_MEM | IORESOURCE_MEM_8BIT,
+        },
+        [1] = {
+                .start  = 12,
+                .end    = 12,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
 static struct resource i2c_resources[] = {
         [0] = {
                 .start  = PCA9564_ADDR,
@@ -271,6 +284,11 @@ static int __init sh7785lcr_devices_setup(void)
         i2c_register_board_info(0, sh7785lcr_i2c_devices,
                                 ARRAY_SIZE(sh7785lcr_i2c_devices));
 
+        if (mach_is_sh7785lcr_pt()) {
+                i2c_device.resource = &i2c_proto_resources;
+                i2c_device.num_resources = ARRAY_SIZE(i2c_proto_resources);
+        }
+
         return platform_add_devices(sh7785lcr_devices,
                                     ARRAY_SIZE(sh7785lcr_devices));
 }