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-rw-r--r--board/freescale/common/Makefile2
-rw-r--r--board/freescale/common/emc2305.c41
-rw-r--r--board/freescale/common/emc2305.h23
3 files changed, 66 insertions, 0 deletions
diff --git a/board/freescale/common/Makefile b/board/freescale/common/Makefile
index e3c5eaeb70..a9d61a8bcf 100644
--- a/board/freescale/common/Makefile
+++ b/board/freescale/common/Makefile
@@ -64,6 +64,8 @@ obj-$(CONFIG_POWER_MC34VR500) += mc34vr500.o
obj-$(CONFIG_LS102XA_STREAM_ID) += ls102xa_stream_id.o
+obj-$(CONFIG_EMC2305) += emc2305.o
+
# deal with common files for P-series corenet based devices
obj-$(CONFIG_TARGET_P2041RDB) += p_corenet/
obj-$(CONFIG_TARGET_P3041DS) += p_corenet/
diff --git a/board/freescale/common/emc2305.c b/board/freescale/common/emc2305.c
new file mode 100644
index 0000000000..8523084da9
--- /dev/null
+++ b/board/freescale/common/emc2305.c
@@ -0,0 +1,41 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2018 NXP.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <command.h>
+#include <i2c.h>
+#include <asm/io.h>
+
+#include "emc2305.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+void set_fan_speed(u8 data)
+{
+ u8 index;
+ u8 Fan[NUM_OF_FANS] = {I2C_EMC2305_FAN1,
+ I2C_EMC2305_FAN2,
+ I2C_EMC2305_FAN3,
+ I2C_EMC2305_FAN4,
+ I2C_EMC2305_FAN5};
+
+ for (index = 0; index < NUM_OF_FANS; index++) {
+ if (i2c_write(I2C_EMC2305_ADDR, Fan[index], 1, &data, 1) != 0) {
+ printf("Error: failed to change fan speed @%x\n",
+ Fan[index]);
+ }
+ }
+}
+
+void emc2305_init(void)
+{
+ u8 data;
+
+ data = I2C_EMC2305_CMD;
+ if (i2c_write(I2C_EMC2305_ADDR, I2C_EMC2305_CONF, 1, &data, 1) != 0)
+ printf("Error: failed to configure EMC2305\n");
+}
diff --git a/board/freescale/common/emc2305.h b/board/freescale/common/emc2305.h
new file mode 100644
index 0000000000..eddf537138
--- /dev/null
+++ b/board/freescale/common/emc2305.h
@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright 2018 NXP
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __EMC2305_H_
+#define __EMC2305_H_
+
+#define I2C_EMC2305_CONF 0x20
+#define I2C_EMC2305_FAN1 0x30
+#define I2C_EMC2305_FAN2 0x40
+#define I2C_EMC2305_FAN3 0x50
+#define I2C_EMC2305_FAN4 0x60
+#define I2C_EMC2305_FAN5 0x70
+
+#define NUM_OF_FANS 5
+
+void emc2305_init(void);
+void set_fan_speed(u8 data);
+
+#endif /* __EMC2305_H_ */