refactor: moved drivers hdr files to include/drivers/nxp
NXP drivers header files are moved:
- from: drivers/nxp/<xx>/*.h
- to : include/drivers/nxp/<xx>/*.h
To accommodate these changes each drivers makefiles
drivers/nxp/<xx>/xx.mk, are updated.
Signed-off-by: Pankaj Gupta <pankaj.gupta@nxp.com>
Change-Id: I3979c509724d87e3d631a03dbafda1ee5ef07d21
diff --git a/include/drivers/nxp/i2c/i2c.h b/include/drivers/nxp/i2c/i2c.h
new file mode 100644
index 0000000..85e6eb4
--- /dev/null
+++ b/include/drivers/nxp/i2c/i2c.h
@@ -0,0 +1,52 @@
+/*
+ * Copyright 2016-2021 NXP
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ *
+ */
+
+
+#ifndef I2C_H
+#define I2C_H
+
+#include <lib/mmio.h>
+
+#define I2C_TIMEOUT 1000 /* ms */
+
+#define I2C_FD_CONSERV 0x7e
+#define I2C_CR_DIS (1 << 7)
+#define I2C_CR_EN (0 << 7)
+#define I2C_CR_MA (1 << 5)
+#define I2C_CR_TX (1 << 4)
+#define I2C_CR_TX_NAK (1 << 3)
+#define I2C_CR_RSTA (1 << 2)
+#define I2C_SR_BB (1 << 5)
+#define I2C_SR_IDLE (0 << 5)
+#define I2C_SR_AL (1 << 4)
+#define I2C_SR_IF (1 << 1)
+#define I2C_SR_RX_NAK (1 << 0)
+#define I2C_SR_RST (I2C_SR_AL | I2C_SR_IF)
+
+#define I2C_GLITCH_EN 0x8
+
+#define i2c_in(a) mmio_read_8((uintptr_t)(a))
+#define i2c_out(a, v) mmio_write_8((uintptr_t)(a), (v))
+
+struct ls_i2c {
+ unsigned char ad; /* I2c Bus Address Register */
+ unsigned char fd; /* I2c Bus Frequency Dividor Register */
+ unsigned char cr; /* I2c Bus Control Register */
+ unsigned char sr; /* I2c Bus Status Register */
+ unsigned char dr; /* I2C Bus Data I/O Register */
+ unsigned char ic; /* I2C Bus Interrupt Config Register */
+ unsigned char dbg; /* I2C Bus Debug Register */
+};
+
+void i2c_init(uintptr_t nxp_i2c_addr);
+int i2c_read(unsigned char chip, int addr, int alen,
+ unsigned char *buf, int len);
+int i2c_write(unsigned char chip, int addr, int alen,
+ const unsigned char *buf, int len);
+int i2c_probe_chip(unsigned char chip);
+
+#endif /* I2C_H */