linux-kernel - [RFC 14/14] Coldfire generic GPIO (m68knommu)

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Message-Id: <200903111456.17972.sfking@fdwdc.com>
Date:	Wed, 11 Mar 2009 13:56:17 -0800
From:	Steven King <sfking@...dc.com>
To:	uClinux development list <uclinux-dev@...inux.org>
Cc:	linux-kernel@...r.kernel.org, Greg Ungerer <gerg@...pgear.com>
Subject: [RFC 14/14] Coldfire generic GPIO (m68knommu)

hooks for implementing pinmux...

Signed-off-by: Steven King <sfking@...dc.com>

diff --git a/arch/m68k/include/asm/pinmux.h b/arch/m68k/include/asm/pinmux.h
new file mode 100644
index 0000000..80e86aa
--- /dev/null
+++ b/arch/m68k/include/asm/pinmux.h
@@ -0,0 +1,30 @@
+/*
+ * Coldfire generic GPIO pinmux support.
+ *
+ * (C) Copyright 2009, Steven King <sfking@...dc.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef pinmux_h
+#define pinmux_h
+
+#define MCFPINMUX_NONE		-1
+
+extern int mcf_pinmux_request(unsigned, unsigned);
+extern void mcf_pinmux_release(unsigned, unsigned);
+
+static inline int mcf_pinmux_is_valid(unsigned pinmux)
+{
+	return pinmux != MCFPINMUX_NONE;
+}
+
+#endif 
+
diff --git a/arch/m68knommu/platform/coldfire/pinmux.c 
b/arch/m68knommu/platform/coldfire/pinmux.c
new file mode 100644
index 0000000..8c62b82
--- /dev/null
+++ b/arch/m68knommu/platform/coldfire/pinmux.c
@@ -0,0 +1,28 @@
+/*
+ * Coldfire generic GPIO pinmux support.
+ *
+ * (C) Copyright 2009, Steven King <sfking@...dc.com>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; version 2 of the License.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ */
+
+#include <linux/kernel.h>
+
+#include <asm/pinmux.h>
+
+int mcf_pinmux_request(unsigned pinmux, unsigned func)
+{
+	return 0;
+}
+
+void mcf_pinmux_release(unsigned pinmux, unsigned func)
+{
+}
--
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