--- /dev/null
+/*
+ * Copyright (C) 2018 Marvell International Ltd.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ * https://spdx.org/licenses
+ */
+
+/* Driver for thermal unit located in Marvell ARMADA 8K and compatible SoCs */
+
+#include <debug.h>
+#include <thermal.h>
+
+int marvell_thermal_init(struct tsen_config *tsen_cfg)
+{
+ if (tsen_cfg->tsen_ready == 1) {
+ INFO("thermal sensor is already initialized\n");
+ return 0;
+ }
+
+ if (tsen_cfg->ptr_tsen_probe == NULL) {
+ ERROR("initial thermal sensor configuration is missing\n");
+ return -1;
+ }
+
+ if (tsen_cfg->ptr_tsen_probe(tsen_cfg)) {
+ ERROR("thermal sensor initialization failed\n");
+ return -1;
+ }
+
+ VERBOSE("thermal sensor was initialized\n");
+
+ return 0;
+}
+
+int marvell_thermal_read(struct tsen_config *tsen_cfg, int *temp)
+{
+ if (temp == NULL) {
+ ERROR("NULL pointer for temperature read\n");
+ return -1;
+ }
+
+ if (tsen_cfg->ptr_tsen_read == NULL ||
+ tsen_cfg->tsen_ready == 0) {
+ ERROR("thermal sensor was not initialized\n");
+ return -1;
+ }
+
+ if (tsen_cfg->ptr_tsen_read(tsen_cfg, temp)) {
+ ERROR("temperature read failed\n");
+ return -1;
+ }
+
+ return 0;
+}
--- /dev/null
+/*
+ * Copyright (C) 2018 Marvell International Ltd.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ * https://spdx.org/licenses
+ */
+
+/* Driver for thermal unit located in Marvell ARMADA 8K and compatible SoCs */
+
+#ifndef _THERMAL_H
+#define _THERMAL_H
+
+struct tsen_config {
+ /* thermal temperature parameters */
+ int tsen_offset;
+ int tsen_gain;
+ int tsen_divisor;
+ /* thermal data */
+ int tsen_ready;
+ void *regs_base;
+ /* thermal functionality */
+ int (*ptr_tsen_probe)(struct tsen_config *cfg);
+ int (*ptr_tsen_read)(struct tsen_config *cfg, int *temp);
+};
+
+/* Thermal driver APIs */
+int marvell_thermal_init(struct tsen_config *tsen_cfg);
+int marvell_thermal_read(struct tsen_config *tsen_cfg, int *temp);
+struct tsen_config *marvell_thermal_config_get(void);
+
+#endif /* _THERMAL_H */