[ARM] mmp: add support for Marvell MMP2

Marvell MMP2 (aka ARMADA610) is a SoC based on PJ4 core. It's
ARMv6 compatible.  Support basic interrupt handler and timer,
and basic support for MMP2 based FLINT platform.

Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>
Signed-off-by: Eric Miao <eric.y.miao@gmail.com>

1 files changed, 60 insertions, 0 deletions

diff --git a/arch/arm/mach-mmp/include/mach/mmp2.h b/arch/arm/mach-mmp/include/mach/mmp2.h
new file mode 100644
index 000000000000..459f3be9cfb2
--- /dev/null
+++ b/arch/arm/mach-mmp/include/mach/mmp2.h
@@ -0,0 +1,60 @@
+#ifndef __ASM_MACH_MMP2_H
+#define __ASM_MACH_MMP2_H
+
+#include <linux/i2c.h>
+#include <mach/devices.h>
+#include <plat/i2c.h>
+
+extern struct pxa_device_desc mmp2_device_uart1;
+extern struct pxa_device_desc mmp2_device_uart2;
+extern struct pxa_device_desc mmp2_device_uart3;
+extern struct pxa_device_desc mmp2_device_uart4;
+extern struct pxa_device_desc mmp2_device_twsi1;
+extern struct pxa_device_desc mmp2_device_twsi2;
+extern struct pxa_device_desc mmp2_device_twsi3;
+extern struct pxa_device_desc mmp2_device_twsi4;
+extern struct pxa_device_desc mmp2_device_twsi5;
+extern struct pxa_device_desc mmp2_device_twsi6;
+
+static inline int mmp2_add_uart(int id)
+{
+	struct pxa_device_desc *d = NULL;
+
+	switch (id) {
+	case 1: d = &mmp2_device_uart1; break;
+	case 2: d = &mmp2_device_uart2; break;
+	case 3: d = &mmp2_device_uart3; break;
+	case 4: d = &mmp2_device_uart4; break;
+	default:
+		return -EINVAL;
+	}
+
+	return pxa_register_device(d, NULL, 0);
+}
+
+static inline int mmp2_add_twsi(int id, struct i2c_pxa_platform_data *data,
+				  struct i2c_board_info *info, unsigned size)
+{
+	struct pxa_device_desc *d = NULL;
+	int ret;
+
+	switch (id) {
+	case 0: d = &mmp2_device_twsi1; break;
+	case 1: d = &mmp2_device_twsi2; break;
+	case 2: d = &mmp2_device_twsi3; break;
+	case 3: d = &mmp2_device_twsi4; break;
+	case 4: d = &mmp2_device_twsi5; break;
+	case 5: d = &mmp2_device_twsi6; break;
+	default:
+		return -EINVAL;
+	}
+
+	ret = i2c_register_board_info(id, info, size);
+	if (ret)
+		return ret;
+
+	return pxa_register_device(d, data, sizeof(*data));
+}
+
+#endif /* __ASM_MACH_MMP2_H */
+