123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200 |
- // SPDX-License-Identifier: GPL-2.0
- /*
- * Copyright (C) 2020 MediaTek Inc. All Rights Reserved.
- *
- * Author: Weijie Gao <weijie.gao@mediatek.com>
- */
- #include <dm.h>
- #include <dm/pinctrl.h>
- #include <linux/bitops.h>
- #include <linux/io.h>
- #include "pinctrl-mtmips-common.h"
- #define SUTIF_SHIFT 30
- #define WDT_RST_SHIFT 21
- #define PA_G_SHIFT 20
- #define NAND_SD_SHIFT 18
- #define PERST_SHIFT 16
- #define EPHY_LED_SHIFT 15
- #define WLED_SHIFT 13
- #define SPI_CS1_SHIFT 12
- #define SPI_SHIFT 11
- #define RGMII2_SHIFT 10
- #define RGMII1_SHIFT 9
- #define MDIO_SHIFT 7
- #define UARTL_SHIFT 5
- #define UARTF_SHIFT 2
- #define I2C_SHIFT 0
- #define GM4_MASK 3
- #define GM8_MASK 7
- #if CONFIG_IS_ENABLED(PINMUX)
- static const struct mtmips_pmx_func sutif_grp[] = {
- FUNC("i2c", 2),
- FUNC("uartl", 1),
- FUNC("none", 0),
- };
- static const struct mtmips_pmx_func wdt_rst_grp[] = {
- FUNC("gpio", 2),
- FUNC("refclk", 1),
- FUNC("wdt rst", 0),
- };
- static const struct mtmips_pmx_func pa_g_grp[] = {
- FUNC("gpio", 1),
- FUNC("pa", 0),
- };
- static const struct mtmips_pmx_func nand_sd_grp[] = {
- FUNC("gpio", 2),
- FUNC("sd", 1),
- FUNC("nand", 0),
- };
- static const struct mtmips_pmx_func perst_grp[] = {
- FUNC("gpio", 2),
- FUNC("refclk", 1),
- FUNC("perst", 0),
- };
- static const struct mtmips_pmx_func ephy_led_grp[] = {
- FUNC("gpio", 1),
- FUNC("led", 0),
- };
- static const struct mtmips_pmx_func wled_grp[] = {
- FUNC("gpio", 1),
- FUNC("led", 0),
- };
- static const struct mtmips_pmx_func spi_cs1_grp[] = {
- FUNC("refclk", 1),
- FUNC("spi cs1", 0),
- };
- static const struct mtmips_pmx_func spi_grp[] = {
- FUNC("gpio", 1),
- FUNC("spi", 0),
- };
- static const struct mtmips_pmx_func rgmii2_grp[] = {
- FUNC("gpio", 1),
- FUNC("rgmii2", 0),
- };
- static const struct mtmips_pmx_func rgmii1_grp[] = {
- FUNC("gpio", 1),
- FUNC("rgmii1", 0),
- };
- static const struct mtmips_pmx_func mdio_grp[] = {
- FUNC("gpio", 2),
- FUNC("refclk", 1),
- FUNC("mdio", 0),
- };
- static const struct mtmips_pmx_func uartl_grp[] = {
- FUNC("gpio", 1),
- FUNC("uartl", 0),
- };
- static const struct mtmips_pmx_func uartf_grp[] = {
- FUNC("gpio", 7),
- FUNC("i2s gpio", 6),
- FUNC("uartf gpio", 5),
- FUNC("gpio pcm", 4),
- FUNC("i2s uartf", 3),
- FUNC("i2s pcm", 2),
- FUNC("uartf pcm", 1),
- FUNC("uartf", 0),
- };
- static const struct mtmips_pmx_func i2c_grp[] = {
- FUNC("gpio", 1),
- FUNC("i2c", 0),
- };
- static const struct mtmips_pmx_group mt7620_pinmux_data[] = {
- GRP("sutif", sutif_grp, 0, SUTIF_SHIFT, GM4_MASK),
- GRP("wdt rst", wdt_rst_grp, 0, WDT_RST_SHIFT, GM4_MASK),
- GRP("pa", pa_g_grp, 0, PA_G_SHIFT, 1),
- GRP("nand", nand_sd_grp, 0, NAND_SD_SHIFT, GM4_MASK),
- GRP("perst", perst_grp, 0, PERST_SHIFT, GM4_MASK),
- GRP("ephy led", ephy_led_grp, 0, EPHY_LED_SHIFT, 1),
- GRP("wled", wled_grp, 0, WLED_SHIFT, 1),
- GRP("spi cs1", spi_cs1_grp, 0, SPI_CS1_SHIFT, 1),
- GRP("spi", spi_grp, 0, SPI_SHIFT, 1),
- GRP("rgmii2", rgmii2_grp, 0, RGMII2_SHIFT, 1),
- GRP("rgmii1", rgmii1_grp, 0, RGMII1_SHIFT, 1),
- GRP("mdio", mdio_grp, 0, MDIO_SHIFT, GM4_MASK),
- GRP("uartl", uartl_grp, 0, UARTL_SHIFT, 1),
- GRP("uartf", uartf_grp, 0, UARTF_SHIFT, GM8_MASK),
- GRP("i2c", i2c_grp, 0, I2C_SHIFT, 1),
- };
- static int mt7620_get_groups_count(struct udevice *dev)
- {
- return ARRAY_SIZE(mt7620_pinmux_data);
- }
- static const char *mt7620_get_group_name(struct udevice *dev,
- unsigned int selector)
- {
- return mt7620_pinmux_data[selector].name;
- }
- #endif /* CONFIG_IS_ENABLED(PINMUX) */
- static int mt7620_pinctrl_probe(struct udevice *dev)
- {
- struct mtmips_pinctrl_priv *priv = dev_get_priv(dev);
- int ret = 0;
- #if CONFIG_IS_ENABLED(PINMUX)
- ret = mtmips_pinctrl_probe(priv, ARRAY_SIZE(mt7620_pinmux_data),
- mt7620_pinmux_data);
- #endif /* CONFIG_IS_ENABLED(PINMUX) */
- return ret;
- }
- static int mt7620_pinctrl_of_to_plat(struct udevice *dev)
- {
- struct mtmips_pinctrl_priv *priv = dev_get_priv(dev);
- priv->base = dev_remap_addr_index(dev, 0);
- if (!priv->base)
- return -EINVAL;
- return 0;
- }
- static const struct pinctrl_ops mt7620_pinctrl_ops = {
- #if CONFIG_IS_ENABLED(PINMUX)
- .get_groups_count = mt7620_get_groups_count,
- .get_group_name = mt7620_get_group_name,
- .get_functions_count = mtmips_get_functions_count,
- .get_function_name = mtmips_get_function_name,
- .pinmux_group_set = mtmips_pinmux_group_set,
- #endif /* CONFIG_IS_ENABLED(PINMUX) */
- .set_state = pinctrl_generic_set_state,
- };
- static const struct udevice_id mt7620_pinctrl_ids[] = {
- { .compatible = "mediatek,mt7620-pinctrl" },
- { }
- };
- U_BOOT_DRIVER(mt7620_pinctrl) = {
- .name = "mt7620-pinctrl",
- .id = UCLASS_PINCTRL,
- .of_match = mt7620_pinctrl_ids,
- .of_to_plat = mt7620_pinctrl_of_to_plat,
- .ops = &mt7620_pinctrl_ops,
- .probe = mt7620_pinctrl_probe,
- .priv_auto = sizeof(struct mtmips_pinctrl_priv),
- .flags = DM_FLAG_PRE_RELOC,
- };
|