diff options
Diffstat (limited to 'arch/arm/mach-tegra/tegra20/pinmux.c')
| -rw-r--r-- | arch/arm/mach-tegra/tegra20/pinmux.c | 425 |
1 files changed, 425 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/tegra20/pinmux.c b/arch/arm/mach-tegra/tegra20/pinmux.c new file mode 100644 index 0000000000..e484f991bf --- /dev/null +++ b/arch/arm/mach-tegra/tegra20/pinmux.c @@ -0,0 +1,425 @@ +/* + * Copyright (c) 2011 The Chromium OS Authors. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +/* Tegra20 pin multiplexing functions */ + +#include <common.h> +#include <asm/io.h> +#include <asm/arch/pinmux.h> + +/* + * This defines the order of the pin mux control bits in the registers. For + * some reason there is no correspendence between the tristate, pin mux and + * pullup/pulldown registers. + */ +enum pmux_ctlid { + /* 0: APB_MISC_PP_PIN_MUX_CTL_A_0 */ + MUXCTL_UAA, + MUXCTL_UAB, + MUXCTL_UAC, + MUXCTL_UAD, + MUXCTL_UDA, + MUXCTL_RESERVED5, + MUXCTL_ATE, + MUXCTL_RM, + + MUXCTL_ATB, + MUXCTL_RESERVED9, + MUXCTL_ATD, + MUXCTL_ATC, + MUXCTL_ATA, + MUXCTL_KBCF, + MUXCTL_KBCE, + MUXCTL_SDMMC1, + + /* 16: APB_MISC_PP_PIN_MUX_CTL_B_0 */ + MUXCTL_GMA, + MUXCTL_GMC, + MUXCTL_HDINT, + MUXCTL_SLXA, + MUXCTL_OWC, + MUXCTL_SLXC, + MUXCTL_SLXD, + MUXCTL_SLXK, + + MUXCTL_UCA, + MUXCTL_UCB, + MUXCTL_DTA, + MUXCTL_DTB, + MUXCTL_RESERVED28, + MUXCTL_DTC, + MUXCTL_DTD, + MUXCTL_DTE, + + /* 32: APB_MISC_PP_PIN_MUX_CTL_C_0 */ + MUXCTL_DDC, + MUXCTL_CDEV1, + MUXCTL_CDEV2, + MUXCTL_CSUS, + MUXCTL_I2CP, + MUXCTL_KBCA, + MUXCTL_KBCB, + MUXCTL_KBCC, + + MUXCTL_IRTX, + MUXCTL_IRRX, + MUXCTL_DAP1, + MUXCTL_DAP2, + MUXCTL_DAP3, + MUXCTL_DAP4, + MUXCTL_GMB, + MUXCTL_GMD, + + /* 48: APB_MISC_PP_PIN_MUX_CTL_D_0 */ + MUXCTL_GME, + MUXCTL_GPV, + MUXCTL_GPU, + MUXCTL_SPDO, + MUXCTL_SPDI, + MUXCTL_SDB, + MUXCTL_SDC, + MUXCTL_SDD, + + MUXCTL_SPIH, + MUXCTL_SPIG, + MUXCTL_SPIF, + MUXCTL_SPIE, + MUXCTL_SPID, + MUXCTL_SPIC, + MUXCTL_SPIB, + MUXCTL_SPIA, + + /* 64: APB_MISC_PP_PIN_MUX_CTL_E_0 */ + MUXCTL_LPW0, + MUXCTL_LPW1, + MUXCTL_LPW2, + MUXCTL_LSDI, + MUXCTL_LSDA, + MUXCTL_LSPI, + MUXCTL_LCSN, + MUXCTL_LDC, + + MUXCTL_LSCK, + MUXCTL_LSC0, + MUXCTL_LSC1, + MUXCTL_LHS, + MUXCTL_LVS, + MUXCTL_LM0, + MUXCTL_LM1, + MUXCTL_LVP0, + + /* 80: APB_MISC_PP_PIN_MUX_CTL_F_0 */ + MUXCTL_LD0, + MUXCTL_LD1, + MUXCTL_LD2, + MUXCTL_LD3, + MUXCTL_LD4, + MUXCTL_LD5, + MUXCTL_LD6, + MUXCTL_LD7, + + MUXCTL_LD8, + MUXCTL_LD9, + MUXCTL_LD10, + MUXCTL_LD11, + MUXCTL_LD12, + MUXCTL_LD13, + MUXCTL_LD14, + MUXCTL_LD15, + + /* 96: APB_MISC_PP_PIN_MUX_CTL_G_0 */ + MUXCTL_LD16, + MUXCTL_LD17, + MUXCTL_LHP1, + MUXCTL_LHP2, + MUXCTL_LVP1, + MUXCTL_LHP0, + MUXCTL_RESERVED102, + MUXCTL_LPP, + + MUXCTL_LDI, + MUXCTL_PMC, + MUXCTL_CRTP, + MUXCTL_PTA, + MUXCTL_RESERVED108, + MUXCTL_KBCD, + MUXCTL_GPU7, + MUXCTL_DTF, + + MUXCTL_NONE = -1, +}; + +/* + * And this defines the order of the pullup/pulldown controls which are again + * in a different order + */ +enum pmux_pullid { + /* 0: APB_MISC_PP_PULLUPDOWN_REG_A_0 */ + PUCTL_ATA, + PUCTL_ATB, + PUCTL_ATC, + PUCTL_ATD, + PUCTL_ATE, + PUCTL_DAP1, + PUCTL_DAP2, + PUCTL_DAP3, + + PUCTL_DAP4, + PUCTL_DTA, + PUCTL_DTB, + PUCTL_DTC, + PUCTL_DTD, + PUCTL_DTE, + PUCTL_DTF, + PUCTL_GPV, + + /* 16: APB_MISC_PP_PULLUPDOWN_REG_B_0 */ + PUCTL_RM, + PUCTL_I2CP, + PUCTL_PTA, + PUCTL_GPU7, + PUCTL_KBCA, + PUCTL_KBCB, + PUCTL_KBCC, + PUCTL_KBCD, + + PUCTL_SPDI, + PUCTL_SPDO, + PUCTL_GPSLXAU, + PUCTL_CRTP, + PUCTL_SLXC, + PUCTL_SLXD, + PUCTL_SLXK, + + /* 32: APB_MISC_PP_PULLUPDOWN_REG_C_0 */ + PUCTL_CDEV1, + PUCTL_CDEV2, + PUCTL_SPIA, + PUCTL_SPIB, + PUCTL_SPIC, + PUCTL_SPID, + PUCTL_SPIE, + PUCTL_SPIF, + + PUCTL_SPIG, + PUCTL_SPIH, + PUCTL_IRTX, + PUCTL_IRRX, + PUCTL_GME, + PUCTL_RESERVED45, + PUCTL_XM2D, + PUCTL_XM2C, + + /* 48: APB_MISC_PP_PULLUPDOWN_REG_D_0 */ + PUCTL_UAA, + PUCTL_UAB, + PUCTL_UAC, + PUCTL_UAD, + PUCTL_UCA, + PUCTL_UCB, + PUCTL_LD17, + PUCTL_LD19_18, + + PUCTL_LD21_20, + PUCTL_LD23_22, + PUCTL_LS, + PUCTL_LC, + PUCTL_CSUS, + PUCTL_DDRC, + PUCTL_SDC, + PUCTL_SDD, + + /* 64: APB_MISC_PP_PULLUPDOWN_REG_E_0 */ + PUCTL_KBCF, + PUCTL_KBCE, + PUCTL_PMCA, + PUCTL_PMCB, + PUCTL_PMCC, + PUCTL_PMCD, + PUCTL_PMCE, + PUCTL_CK32, + + PUCTL_UDA, + PUCTL_SDMMC1, + PUCTL_GMA, + PUCTL_GMB, + PUCTL_GMC, + PUCTL_GMD, + PUCTL_DDC, + PUCTL_OWC, + + PUCTL_NONE = -1 +}; + +/* Convenient macro for defining pin group properties */ +#define PINALL(pingrp, f0, f1, f2, f3, mux, pupd) \ + { \ + .funcs = { \ + PMUX_FUNC_ ## f0, \ + PMUX_FUNC_ ## f1, \ + PMUX_FUNC_ ## f2, \ + PMUX_FUNC_ ## f3, \ + }, \ + .ctl_id = mux, \ + .pull_id = pupd \ + } + +/* A normal pin group where the mux name and pull-up name match */ +#define PIN(pingrp, f0, f1, f2, f3) \ + PINALL(pingrp, f0, f1, f2, f3, MUXCTL_##pingrp, PUCTL_##pingrp) + +/* A pin group where the pull-up name doesn't have a 1-1 mapping */ +#define PINP(pingrp, f0, f1, f2, f3, pupd) \ + PINALL(pingrp, f0, f1, f2, f3, MUXCTL_##pingrp, PUCTL_##pupd) + +/* A pin group number which is not used */ +#define PIN_RESERVED \ + PIN(NONE, RSVD1, RSVD2, RSVD3, RSVD4) + +#define DRVGRP(drvgrp) \ + PINALL(drvgrp, RSVD1, RSVD2, RSVD3, RSVD4, MUXCTL_NONE, PUCTL_NONE) + +static const struct pmux_pingrp_desc tegra20_pingroups[] = { + PIN(ATA, IDE, NAND, GMI, RSVD4), + PIN(ATB, IDE, NAND, GMI, SDIO4), + PIN(ATC, IDE, NAND, GMI, SDIO4), + PIN(ATD, IDE, NAND, GMI, SDIO4), + PIN(CDEV1, OSC, PLLA_OUT, PLLM_OUT1, AUDIO_SYNC), + PIN(CDEV2, OSC, AHB_CLK, APB_CLK, PLLP_OUT4), + PIN(CSUS, PLLC_OUT1, PLLP_OUT2, PLLP_OUT3, VI_SENSOR_CLK), + PIN(DAP1, DAP1, RSVD2, GMI, SDIO2), + + PIN(DAP2, DAP2, TWC, RSVD3, GMI), + PIN(DAP3, DAP3, RSVD2, RSVD3, RSVD4), + PIN(DAP4, DAP4, RSVD2, GMI, RSVD4), + PIN(DTA, RSVD1, SDIO2, VI, RSVD4), + PIN(DTB, RSVD1, RSVD2, VI, SPI1), + PIN(DTC, RSVD1, RSVD2, VI, RSVD4), + PIN(DTD, RSVD1, SDIO2, VI, RSVD4), + PIN(DTE, RSVD1, RSVD2, VI, SPI1), + + PINP(GPU, PWM, UARTA, GMI, RSVD4, GPSLXAU), + PIN(GPV, PCIE, RSVD2, RSVD3, RSVD4), + PIN(I2CP, I2C, RSVD2, RSVD3, RSVD4), + PIN(IRTX, UARTA, UARTB, GMI, SPI4), + PIN(IRRX, UARTA, UARTB, GMI, SPI4), + PIN(KBCB, KBC, NAND, SDIO2, MIO), + PIN(KBCA, KBC, NAND, SDIO2, EMC_TEST0_DLL), + PINP(PMC, PWR_ON, PWR_INTR, RSVD3, RSVD4, NONE), + + PIN(PTA, I2C2, HDMI, GMI, RSVD4), + PIN(RM, I2C, RSVD2, RSVD3, RSVD4), + PIN(KBCE, KBC, NAND, OWR, RSVD4), + PIN(KBCF, KBC, NAND, TRACE, MIO), + PIN(GMA, UARTE, SPI3, GMI, SDIO4), + PIN(GMC, UARTD, SPI4, GMI, SFLASH), + PIN(SDMMC1, SDIO1, RSVD2, UARTE, UARTA), + PIN(OWC, OWR, RSVD2, RSVD3, RSVD4), + + PIN(GME, RSVD1, DAP5, GMI, SDIO4), + PIN(SDC, PWM, TWC, SDIO3, SPI3), + PIN(SDD, UARTA, PWM, SDIO3, SPI3), + PIN_RESERVED, + PINP(SLXA, PCIE, SPI4, SDIO3, SPI2, CRTP), + PIN(SLXC, SPDIF, SPI4, SDIO3, SPI2), + PIN(SLXD, SPDIF, SPI4, SDIO3, SPI2), + PIN(SLXK, PCIE, SPI4, SDIO3, SPI2), + + PIN(SPDI, SPDIF, RSVD2, I2C, SDIO2), + PIN(SPDO, SPDIF, RSVD2, I2C, SDIO2), + PIN(SPIA, SPI1, SPI2, SPI3, GMI), + PIN(SPIB, SPI1, SPI2, SPI3, GMI), + PIN(SPIC, SPI1, SPI2, SPI3, GMI), + PIN(SPID, SPI2, SPI1, SPI2_ALT, GMI), + PIN(SPIE, SPI2, SPI1, SPI2_ALT, GMI), + PIN(SPIF, SPI3, SPI1, SPI2, RSVD4), + + PIN(SPIG, SPI3, SPI2, SPI2_ALT, I2C), + PIN(SPIH, SPI3, SPI2, SPI2_ALT, I2C), + PIN(UAA, SPI3, MIPI_HS, UARTA, ULPI), + PIN(UAB, SPI2, MIPI_HS, UARTA, ULPI), + PIN(UAC, OWR, RSVD2, RSVD3, RSVD4), + PIN(UAD, UARTB, SPDIF, UARTA, SPI4), + PIN(UCA, UARTC, RSVD2, GMI, RSVD4), + PIN(UCB, UARTC, PWM, GMI, RSVD4), + + PIN_RESERVED, + PIN(ATE, IDE, NAND, GMI, RSVD4), + PIN(KBCC, KBC, NAND, TRACE, EMC_TEST1_DLL), + PIN_RESERVED, + PIN_RESERVED, + PIN(GMB, IDE, NAND, GMI, GMI_INT), + PIN(GMD, RSVD1, NAND, GMI, SFLASH), + PIN(DDC, I2C2, RSVD2, RSVD3, RSVD4), + + /* 64 */ + PINP(LD0, DISPA, DISPB, XIO, RSVD4, LD17), + PINP(LD1, DISPA, DISPB, XIO, RSVD4, LD17), + PINP(LD2, DISPA, DISPB, XIO, RSVD4, LD17), + PINP(LD3, DISPA, DISPB, XIO, RSVD4, LD17), + PINP(LD4, DISPA, DISPB, XIO, RSVD4, LD17), + PINP(LD5, DISPA, DISPB, XIO, RSVD4, LD17), + PINP(LD6, DISPA, DISPB, XIO, RSVD4, LD17), + PINP(LD7, DISPA, DISPB, XIO, RSVD4, LD17), + + PINP(LD8, DISPA, DISPB, XIO, RSVD4, LD17), + PINP(LD9, DISPA, DISPB, XIO, RSVD4, LD17), + PINP(LD10, DISPA, DISPB, XIO, RSVD4, LD17), + PINP(LD11, DISPA, DISPB, XIO, RSVD4, LD17), + PINP(LD12, DISPA, DISPB, XIO, RSVD4, LD17), + PINP(LD13, DISPA, DISPB, XIO, RSVD4, LD17), + PINP(LD14, DISPA, DISPB, XIO, RSVD4, LD17), + PINP(LD15, DISPA, DISPB, XIO, RSVD4, LD17), + + PINP(LD16, DISPA, DISPB, XIO, RSVD4, LD17), + PINP(LD17, DISPA, DISPB, RSVD3, RSVD4, LD17), + PINP(LHP0, DISPA, DISPB, RSVD3, RSVD4, LD21_20), + PINP(LHP1, DISPA, DISPB, RSVD3, RSVD4, LD19_18), + PINP(LHP2, DISPA, DISPB, RSVD3, RSVD4, LD19_18), + PINP(LVP0, DISPA, DISPB, RSVD3, RSVD4, LC), + PINP(LVP1, DISPA, DISPB, RSVD3, RSVD4, LD21_20), + PINP(HDINT, HDMI, RSVD2, RSVD3, RSVD4, LC), + + PINP(LM0, DISPA, DISPB, SPI3, RSVD4, LC), + PINP(LM1, DISPA, DISPB, RSVD3, CRT, LC), + PINP(LVS, DISPA, DISPB, XIO, RSVD4, LC), + PINP(LSC0, DISPA, DISPB, XIO, RSVD4, LC), + PINP(LSC1, DISPA, DISPB, SPI3, HDMI, LS), + PINP(LSCK, DISPA, DISPB, SPI3, HDMI, LS), + PINP(LDC, DISPA, DISPB, RSVD3, RSVD4, LS), + PINP(LCSN, DISPA, DISPB, SPI3, RSVD4, LS), + + /* 96 */ + PINP(LSPI, DISPA, DISPB, XIO, HDMI, LC), + PINP(LSDA, DISPA, DISPB, SPI3, HDMI, LS), + PINP(LSDI, DISPA, DISPB, SPI3, RSVD4, LS), + PINP(LPW0, DISPA, DISPB, SPI3, HDMI, LS), + PINP(LPW1, DISPA, DISPB, RSVD3, RSVD4, LS), + PINP(LPW2, DISPA, DISPB, SPI3, HDMI, LS), + PINP(LDI, DISPA, DISPB, RSVD3, RSVD4, LD23_22), + PINP(LHS, DISPA, DISPB, XIO, RSVD4, LC), + + PINP(LPP, DISPA, DISPB, RSVD3, RSVD4, LD23_22), + PIN_RESERVED, + PIN(KBCD, KBC, NAND, SDIO2, MIO), + PIN(GPU7, RTCK, RSVD2, RSVD3, RSVD4), + PIN(DTF, I2C3, RSVD2, VI, RSVD4), + PIN(UDA, SPI1, RSVD2, UARTD, ULPI), + PIN(CRTP, CRT, RSVD2, RSVD3, RSVD4), + PINP(SDB, UARTA, PWM, SDIO3, SPI2, NONE), + + /* these pin groups only have pullup and pull down control */ + DRVGRP(CK32), + DRVGRP(DDRC), + DRVGRP(PMCA), + DRVGRP(PMCB), + DRVGRP(PMCC), + DRVGRP(PMCD), + DRVGRP(PMCE), + DRVGRP(XM2C), + DRVGRP(XM2D), +}; +const struct pmux_pingrp_desc *tegra_soc_pingroups = tegra20_pingroups; |