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authorJoe Hershberger <joe.hershberger@ni.com>2011-11-11 15:55:37 -0600
committerKim Phillips <kim.phillips@freescale.com>2012-01-09 20:10:33 -0600
commit4b5657938853ea3f478d86408e6534cb3a89ec11 (patch)
tree67a92c8705c04bdef5ca7ae09ccdfa97a5e62edd /arch/powerpc/include
parent365d607033b8fcb0a8c27aabcb4bb05fb3b64465 (diff)
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mpc83xx: Add a GPIO driver for the MPC83XX family
Signed-off-by: Joe Hershberger <joe.hershberger@ni.com> Cc: Joe Hershberger <joe.hershberger@gmail.com> Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Diffstat (limited to 'arch/powerpc/include')
-rw-r--r--arch/powerpc/include/asm/arch-mpc83xx/gpio.h38
-rw-r--r--arch/powerpc/include/asm/gpio.h2
2 files changed, 40 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/arch-mpc83xx/gpio.h b/arch/powerpc/include/asm/arch-mpc83xx/gpio.h
new file mode 100644
index 0000000..036f51e
--- /dev/null
+++ b/arch/powerpc/include/asm/arch-mpc83xx/gpio.h
@@ -0,0 +1,38 @@
+/*
+ * 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; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#ifndef _MPC83XX_GPIO_H_
+#define _MPC83XX_GPIO_H_
+
+/*
+ * The MCP83xx's 1-2 GPIO controllers each with 32 bits.
+ */
+#if defined(CONFIG_MPC8313) || defined(CONFIG_MPC8308) || \
+ defined(CONFIG_MPC8315)
+#define MPC83XX_GPIO_CTRLRS 1
+#elif defined(CONFIG_MPC834x) || defined(CONFIG_MPC837x)
+#define MPC83XX_GPIO_CTRLRS 2
+#else
+#define MPC83XX_GPIO_CTRLRS 0
+#endif
+
+#define MAX_NUM_GPIOS (32 * MPC83XX_GPIO_CTRLRS)
+
+void mpc83xx_gpio_init_f(void);
+void mpc83xx_gpio_init_r(void);
+
+#endif /* MPC83XX_GPIO_H_ */
diff --git a/arch/powerpc/include/asm/gpio.h b/arch/powerpc/include/asm/gpio.h
new file mode 100644
index 0000000..d49ad08
--- /dev/null
+++ b/arch/powerpc/include/asm/gpio.h
@@ -0,0 +1,2 @@
+#include <asm/arch/gpio.h>
+#include <asm-generic/gpio.h>