/* SPDX-License-Identifier: GPL-2.0-only */ #include <device/mmio.h> #include <assert.h> #include <gpio.h> #include <spi_flash.h> #include <soc/addressmap.h> #include <soc/flash_controller.h> #include <soc/spi.h> struct mtk_spi_bus spi_bus[SPI_BUS_NUMBER] = { { .regs = (void *)SPI0_BASE, .cs_gpio = GPIO(SPI_CSB), }, { .regs = (void *)SPI1_BASE, .cs_gpio = GPIO(SPI1_CSB), }, { .regs = (void *)SPI2_BASE, .cs_gpio = GPIO(EINT0), }, { .regs = (void *)SPI3_BASE, .cs_gpio = GPIO(DPI_D9), }, { .regs = (void *)SPI4_BASE, .cs_gpio = GPIO(DPI_D5), }, { .regs = (void *)SPI5_BASE, .cs_gpio = GPIO(DPI_D1), } }; static const struct pad_func pad0_funcs[SPI_BUS_NUMBER][4] = { { PAD_FUNC_DOWN(SPI_MI, SPI0_MI), PAD_FUNC_GPIO(SPI_CSB), PAD_FUNC_DOWN(SPI_MO, SPI0_MO), PAD_FUNC_DOWN(SPI_CLK, SPI0_CLK), }, { PAD_FUNC_DOWN(SPI1_MI, SPI1_A_MI), PAD_FUNC_GPIO(SPI1_CSB), PAD_FUNC_DOWN(SPI1_MO, SPI1_A_MO), PAD_FUNC_DOWN(SPI1_CLK, SPI1_A_CLK), }, { PAD_FUNC_DOWN(KPCOL1, SPI2_MI), PAD_FUNC_GPIO(EINT0), PAD_FUNC_DOWN(EINT1, SPI2_MO), PAD_FUNC_DOWN(EINT2, SPI2_CLK), }, { PAD_FUNC_DOWN(DPI_D8, SPI3_MI), PAD_FUNC_GPIO(DPI_D9), PAD_FUNC_DOWN(DPI_D10, SPI3_MO), PAD_FUNC_DOWN(DPI_D11, SPI3_CLK), }, { PAD_FUNC_DOWN(DPI_D4, SPI4_MI), PAD_FUNC_GPIO(DPI_D5), PAD_FUNC_DOWN(DPI_D6, SPI4_MO), PAD_FUNC_DOWN(DPI_D7, SPI4_CLK), }, { PAD_FUNC_DOWN(DPI_D0, SPI5_MI), PAD_FUNC_GPIO(DPI_D1), PAD_FUNC_DOWN(DPI_D2, SPI5_MO), PAD_FUNC_DOWN(DPI_D3, SPI5_CLK), } }; static const struct pad_func bus1_pad1_funcs[4] = { PAD_FUNC_DOWN(EINT7, SPI1_B_MI), PAD_FUNC_GPIO(EINT8), PAD_FUNC_DOWN(EINT9, SPI1_B_MO), PAD_FUNC_DOWN(EINT10, SPI1_B_CLK), }; void mtk_spi_set_gpio_pinmux(unsigned int bus, enum spi_pad_mask pad_select) { assert(bus < SPI_BUS_NUMBER); const struct pad_func *ptr; if (pad_select == SPI_PAD0_MASK) { ptr = pad0_funcs[bus]; } else { assert(bus == 1 && pad_select == SPI_PAD1_MASK); ptr = bus1_pad1_funcs; } for (int i = 0; i < 4; i++) gpio_set_mode(ptr[i].gpio, ptr[i].func); } const struct spi_ctrlr_buses spi_ctrlr_bus_map[] = { { .ctrlr = &spi_ctrlr, .bus_start = 0, .bus_end = SPI_BUS_NUMBER - 1, }, }; const size_t spi_ctrlr_bus_map_count = ARRAY_SIZE(spi_ctrlr_bus_map);