mdm9x25: Add fastboot key support.
Change-Id: If0ab35f4739f2f64d4c48e4899c2a05ed93b4c83
diff --git a/target/mdm9625/keypad.c b/target/mdm9625/keypad.c
new file mode 100644
index 0000000..561261a
--- /dev/null
+++ b/target/mdm9625/keypad.c
@@ -0,0 +1,64 @@
+/* Copyright (c) 2012, The Linux Foundation. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ * * Neither the name of The Linux Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#include <reg.h>
+#include <platform/gpio.h>
+#include <platform/iomap.h>
+
+/* GPIO that controls the button
+ * for FASTBOOT.
+ */
+#define FASTBOOT_KEY_GPIO_ID 58
+
+/*
+ * Returns fastboot button state.
+ * Returns 0 if button is not pressed, 1 when pressed.
+ */
+int get_fastboot_key_state(void)
+{
+ int ret;
+
+ gpio_tlmm_config(FASTBOOT_KEY_GPIO_ID, 0, GPIO_INPUT, GPIO_PULL_DOWN, GPIO_2MA, GPIO_ENABLE);
+
+ ret = gpio_get_state(FASTBOOT_KEY_GPIO_ID);
+
+ return ret;
+}
+
+/*
+* Return 1 to trigger to fastboot
+*/
+int fastboot_trigger(void)
+{
+ int ret;
+
+ ret = get_fastboot_key_state();
+
+ return (ret);
+}
+