summaryrefslogtreecommitdiff
path: root/board/xiaomi/mocha/mocha.c
blob: 5026d541a5f440257c91809444e2aae04350c014 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
// SPDX-License-Identifier: GPL-2.0+
/*
 *  (C) Copyright 2024
 *  Svyatoslav Ryhel <clamor95@gmail.com>
 */

#include <dm.h>
#include <fdt_support.h>
#include <i2c.h>
#include <log.h>

#ifdef CONFIG_MMC_SDHCI_TEGRA

#define TPS65913_I2C_ADDRESS			0x58
#define TPS65913_PRIMARY_SECONDARY_PAD2		0xfb
#define   GPIO_4				BIT(0)
#define TPS65913_PRIMARY_SECONDARY_PAD3		0xfe
#define   DVFS2					BIT(1)
#define   DVFS1					BIT(0)

/* We are using this function only till palmas pinctrl driver is available */
void pin_mux_mmc(void)
{
	struct udevice *dev;
	int ret;

	ret = i2c_get_chip_for_busnum(0, TPS65913_I2C_ADDRESS, 1, &dev);
	if (ret) {
		log_debug("%s: cannot find PMIC I2C chip\n", __func__);
		return;
	}

	/* GPIO4 function has to be GPIO */
	dm_i2c_reg_clrset(dev, TPS65913_PRIMARY_SECONDARY_PAD2,
			  GPIO_4, 0);

	/* DVFS1 and DVFS2 are disabled */
	dm_i2c_reg_clrset(dev, TPS65913_PRIMARY_SECONDARY_PAD3,
			  DVFS2 | DVFS1, 0);
}
#endif