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Diffstat (limited to 'board/xiaomi/mocha/mocha.c')
| -rw-r--r-- | board/xiaomi/mocha/mocha.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/board/xiaomi/mocha/mocha.c b/board/xiaomi/mocha/mocha.c new file mode 100644 index 00000000000..5026d541a5f --- /dev/null +++ b/board/xiaomi/mocha/mocha.c @@ -0,0 +1,41 @@ +// 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 |