Drop digital thermometer and thermostat (DTT) drivers

This subsystem is quite old. It has been replaced with a driver-model
version (UCLASS_THERMAL). Boards are free to convert to that if required,
but here is a removal patch that could be applied in the meantime.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Heiko Schocher <hs@denx.de>
Reviewed-by: Tom Rini <trini@konsulko.com>

2 files changed, 0 insertions, 121 deletions

diff --git a/cmd/Makefile b/cmd/Makefile
index e98786807b..f043407656 100644
--- a/cmd/Makefile
+++ b/cmd/Makefile
@@ -43,7 +43,6 @@ ifdef CONFIG_POST
 obj-$(CONFIG_CMD_DIAG) += diag.o
 endif
 obj-$(CONFIG_CMD_DISPLAY) += display.o
-obj-$(CONFIG_CMD_DTT) += dtt.o
 obj-$(CONFIG_CMD_ECHO) += echo.o
 obj-$(CONFIG_ENV_IS_IN_EEPROM) += eeprom.o
 obj-$(CONFIG_CMD_EEPROM) += eeprom.o
diff --git a/cmd/dtt.c b/cmd/dtt.c
deleted file mode 100644
index dd427a3d0b..0000000000
--- a/cmd/dtt.c
+++ /dev/null
@@ -1,120 +0,0 @@
-/*
- * (C) Copyright 2001
- * Erik Theisen, Wave 7 Optics, etheisen@mindspring.com
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#include <common.h>
-#include <config.h>
-#include <command.h>
-
-#include <dtt.h>
-#include <i2c.h>
-#include <tmu.h>
-#include <linux/bug.h>
-
-#if defined CONFIG_DTT_SENSORS
-static unsigned long sensor_initialized;
-
-static void _initialize_dtt(void)
-{
-	int i;
-	unsigned char sensors[] = CONFIG_DTT_SENSORS;
-
-	for (i = 0; i < sizeof(sensors); i++) {
-		if ((sensor_initialized & (1 << i)) == 0) {
-			if (dtt_init_one(sensors[i]) != 0) {
-				printf("DTT%d: Failed init!\n", i);
-				continue;
-			}
-			sensor_initialized |= (1 << i);
-		}
-	}
-}
-
-void dtt_init(void)
-{
-	int old_bus;
-
-	/* switch to correct I2C bus */
-	old_bus = I2C_GET_BUS();
-	I2C_SET_BUS(CONFIG_SYS_DTT_BUS_NUM);
-
-	_initialize_dtt();
-
-	/* switch back to original I2C bus */
-	I2C_SET_BUS(old_bus);
-}
-#endif
-
-int dtt_i2c(void)
-{
-#if defined CONFIG_DTT_SENSORS
-	int i;
-	unsigned char sensors[] = CONFIG_DTT_SENSORS;
-	int old_bus;
-
-	/* Force a compilation error, if there are more then 32 sensors */
-	BUILD_BUG_ON(sizeof(sensors) > 32);
-	/* switch to correct I2C bus */
-#ifdef CONFIG_SYS_I2C
-	old_bus = i2c_get_bus_num();
-	i2c_set_bus_num(CONFIG_SYS_DTT_BUS_NUM);
-#else
-	old_bus = I2C_GET_BUS();
-	I2C_SET_BUS(CONFIG_SYS_DTT_BUS_NUM);
-#endif
-
-	_initialize_dtt();
-
-	/*
-	 * Loop through sensors, read
-	 * temperature, and output it.
-	 */
-	for (i = 0; i < sizeof(sensors); i++)
-		printf("DTT%d: %i C\n", i + 1, dtt_get_temp(sensors[i]));
-
-	/* switch back to original I2C bus */
-#ifdef CONFIG_SYS_I2C
-	i2c_set_bus_num(old_bus);
-#else
-	I2C_SET_BUS(old_bus);
-#endif
-#endif
-
-	return 0;
-}
-
-int dtt_tmu(void)
-{
-#if defined CONFIG_TMU_CMD_DTT
-	int cur_temp;
-
-	/* Sense and return latest thermal info */
-	if (tmu_monitor(&cur_temp) == TMU_STATUS_INIT) {
-		puts("TMU is in unknown state, temperature is invalid\n");
-		return -1;
-	}
-	printf("Current temperature: %u degrees Celsius\n", cur_temp);
-#endif
-	return 0;
-}
-
-int do_dtt(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
-{
-	int err = 0;
-
-	err |= dtt_i2c();
-	err |= dtt_tmu();
-
-	return err;
-}	/* do_dtt() */
-
-/***************************************************/
-
-U_BOOT_CMD(
-	  dtt,	1,	1,	do_dtt,
-	  "Read temperature from Digital Thermometer and Thermostat",
-	  ""
-);