[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/arch/arm/mach-pxa/mfp-pxa3xx.c b/src/kernel/linux/v4.14/arch/arm/mach-pxa/mfp-pxa3xx.c
new file mode 100644
index 0000000..994edc0
--- /dev/null
+++ b/src/kernel/linux/v4.14/arch/arm/mach-pxa/mfp-pxa3xx.c
@@ -0,0 +1,59 @@
+/*
+ * linux/arch/arm/mach-pxa/mfp.c
+ *
+ * PXA3xx Multi-Function Pin Support
+ *
+ * Copyright (C) 2007 Marvell Internation Ltd.
+ *
+ * 2007-08-21: eric miao <eric.miao@marvell.com>
+ * initial version
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/syscore_ops.h>
+
+#include <mach/hardware.h>
+#include "mfp-pxa3xx.h"
+#include <mach/pxa3xx-regs.h>
+
+#ifdef CONFIG_PM
+/*
+ * Configure the MFPs appropriately for suspend/resume.
+ * FIXME: this should probably depend on which system state we're
+ * entering - for instance, we might not want to place MFP pins in
+ * a pull-down mode if they're an active low chip select, and we're
+ * just entering standby.
+ */
+static int pxa3xx_mfp_suspend(void)
+{
+ mfp_config_lpm();
+ return 0;
+}
+
+static void pxa3xx_mfp_resume(void)
+{
+ mfp_config_run();
+
+ /* clear RDH bit when MFP settings are restored
+ *
+ * NOTE: the last 3 bits DxS are write-1-to-clear so carefully
+ * preserve them here in case they will be referenced later
+ */
+ ASCR &= ~(ASCR_RDH | ASCR_D1S | ASCR_D2S | ASCR_D3S);
+}
+#else
+#define pxa3xx_mfp_suspend NULL
+#define pxa3xx_mfp_resume NULL
+#endif
+
+struct syscore_ops pxa3xx_mfp_syscore_ops = {
+ .suspend = pxa3xx_mfp_suspend,
+ .resume = pxa3xx_mfp_resume,
+};