+// SPDX-License-Identifier: GPL-2.0+
/*
- * (C) Copyright 2013-2015
+ * (C) Copyright 2013-2019
* NVIDIA Corporation <www.nvidia.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
+#include <i2c.h>
#include <asm/arch/gpio.h>
#include <asm/arch/pinmux.h>
-#include "pinmux-config-p2571.h"
+#include <asm/gpio.h>
+#include "max77620_init.h"
-/*
- * Routine: pinmux_init
- * Description: Do individual peripheral pinmux configs
- */
-void pinmux_init(void)
+void pin_mux_mmc(void)
{
- pinmux_clear_tristate_input_clamping();
+ struct udevice *dev;
+ uchar val;
+ int ret;
- gpio_config_table(p2571_gpio_inits,
- ARRAY_SIZE(p2571_gpio_inits));
-
- pinmux_config_pingrp_table(p2571_pingrps,
- ARRAY_SIZE(p2571_pingrps));
+ /* Turn on MAX77620 LDO2 to 3.3V for SD card power */
+ debug("%s: Set LDO2 for VDDIO_SDMMC_AP power to 3.3V\n", __func__);
+ ret = i2c_get_chip_for_busnum(0, MAX77620_I2C_ADDR_7BIT, 1, &dev);
+ if (ret) {
+ printf("%s: Cannot find MAX77620 I2C chip\n", __func__);
+ return;
+ }
+ /* 0xF2 for 3.3v, enabled: bit7:6 = 11 = enable, bit5:0 = voltage */
+ val = 0xF2;
+ ret = dm_i2c_write(dev, MAX77620_CNFG1_L2_REG, &val, 1);
+ if (ret)
+ printf("i2c_write 0 0x3c 0x27 failed: %d\n", ret);
+}
- pinmux_config_drvgrp_table(p2571_drvgrps,
- ARRAY_SIZE(p2571_drvgrps));
+/*
+ * Routine: start_cpu_fan
+ * Description: Enable/start PWM CPU fan on P2571
+ */
+void start_cpu_fan(void)
+{
+ /* GPIO_PE4 is PS_VDD_FAN_ENABLE */
+ gpio_request(TEGRA_GPIO(E, 4), "FAN_VDD");
+ gpio_direction_output(TEGRA_GPIO(E, 4), 1);
}