platform/target: Add Initial platform support for MSM8952.
This patch adds support for the initial IOMAP registers
used in 8952 and also basic functionality needed for the
target MSM8952 to boot up.
Change-Id: I519375e2c6d520eca8b70d277f5a8b2189687e1f
diff --git a/platform/msm8952/include/platform/gpio.h b/platform/msm8952/include/platform/gpio.h
new file mode 100644
index 0000000..b4d12e8
--- /dev/null
+++ b/platform/msm8952/include/platform/gpio.h
@@ -0,0 +1,72 @@
+/* Copyright (c) 2015, 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.
+ */
+
+#ifndef __PLATFORM_MSM8952_GPIO_H
+#define __PLATFORM_MSM8952_GPIO_H
+
+#include <bits.h>
+#include <gpio.h>
+
+/* GPIO TLMM: Direction */
+#define GPIO_INPUT 0
+#define GPIO_OUTPUT 1
+
+/* GPIO TLMM: Pullup/Pulldown */
+#define GPIO_NO_PULL 0
+#define GPIO_PULL_DOWN 1
+#define GPIO_KEEPER 2
+#define GPIO_PULL_UP 3
+
+/* GPIO TLMM: Drive Strength */
+#define GPIO_2MA 0
+#define GPIO_4MA 1
+#define GPIO_6MA 2
+#define GPIO_8MA 3
+#define GPIO_10MA 4
+#define GPIO_12MA 5
+#define GPIO_14MA 6
+#define GPIO_16MA 7
+
+/* GPIO TLMM: Status */
+#define GPIO_ENABLE 0
+#define GPIO_DISABLE 1
+
+/* GPIO_IN_OUT register shifts. */
+#define GPIO_IN BIT(0)
+#define GPIO_OUT BIT(1)
+
+void gpio_config_uart_dm(uint8_t id);
+uint32_t gpio_status(uint32_t gpio);
+void gpio_set_dir(uint32_t gpio, uint32_t dir);
+void gpio_tlmm_config(uint32_t gpio,
+ uint8_t func,
+ uint8_t dir,
+ uint8_t pull,
+ uint8_t drvstr,
+ uint32_t enable);
+#endif