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Commit a4417c84 authored by Erik Gilling's avatar Erik Gilling
Browse files

[ARM] tegra: add pinmux support 



v2: fixes from Russell King
	- include linux/io.h instead of asm/io.h
v3:
	- Add drive strength controls
	- Replace typedef enums with plain enums

Signed-off-by: default avatarErik Gilling <konkers@android.com>
Signed-off-by: default avatarColin Cross <ccross@android.com>
parent 3c92db9a

arch/arm/mach-tegra/Makefile

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Original line number Diff line number Diff line
@@ -4,6 +4,8 @@ obj-y += irq.o 
obj-y                                   += clock.o

obj-y                                   += timer.o

obj-y                                   += gpio.o

obj-y                                   += pinmux.o

obj-$(CONFIG_ARCH_TEGRA_2x_SOC)         += clock.o

obj-$(CONFIG_ARCH_TEGRA_2x_SOC)         += tegra2_clocks.o

obj-$(CONFIG_SMP)                       += platsmp.o localtimer.o headsmp.o

obj-$(CONFIG_HOTPLUG_CPU)               += hotplug.o

arch/arm/mach-tegra/include/mach/pinmux.h

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/*

 * linux/arch/arm/mach-tegra/include/mach/pinmux.h

 *

 * Copyright (C) 2010 Google, Inc.

 *

 * This software is licensed under the terms of the GNU General Public

 * License version 2, as published by the Free Software Foundation, and

 * may be copied, distributed, and modified under those terms.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 */



#ifndef __MACH_TEGRA_PINMUX_H

#define __MACH_TEGRA_PINMUX_H



enum tegra_pingroup {

	TEGRA_PINGROUP_ATA = 0,

	TEGRA_PINGROUP_ATB,

	TEGRA_PINGROUP_ATC,

	TEGRA_PINGROUP_ATD,

	TEGRA_PINGROUP_ATE,

	TEGRA_PINGROUP_CDEV1,

	TEGRA_PINGROUP_CDEV2,

	TEGRA_PINGROUP_CRTP,

	TEGRA_PINGROUP_CSUS,

	TEGRA_PINGROUP_DAP1,

	TEGRA_PINGROUP_DAP2,

	TEGRA_PINGROUP_DAP3,

	TEGRA_PINGROUP_DAP4,

	TEGRA_PINGROUP_DDC,

	TEGRA_PINGROUP_DTA,

	TEGRA_PINGROUP_DTB,

	TEGRA_PINGROUP_DTC,

	TEGRA_PINGROUP_DTD,

	TEGRA_PINGROUP_DTE,

	TEGRA_PINGROUP_DTF,

	TEGRA_PINGROUP_GMA,

	TEGRA_PINGROUP_GMB,

	TEGRA_PINGROUP_GMC,

	TEGRA_PINGROUP_GMD,

	TEGRA_PINGROUP_GME,

	TEGRA_PINGROUP_GPU,

	TEGRA_PINGROUP_GPU7,

	TEGRA_PINGROUP_GPV,

	TEGRA_PINGROUP_HDINT,

	TEGRA_PINGROUP_I2CP,

	TEGRA_PINGROUP_IRRX,

	TEGRA_PINGROUP_IRTX,

	TEGRA_PINGROUP_KBCA,

	TEGRA_PINGROUP_KBCB,

	TEGRA_PINGROUP_KBCC,

	TEGRA_PINGROUP_KBCD,

	TEGRA_PINGROUP_KBCE,

	TEGRA_PINGROUP_KBCF,

	TEGRA_PINGROUP_LCSN,

	TEGRA_PINGROUP_LD0,

	TEGRA_PINGROUP_LD1,

	TEGRA_PINGROUP_LD10,

	TEGRA_PINGROUP_LD11,

	TEGRA_PINGROUP_LD12,

	TEGRA_PINGROUP_LD13,

	TEGRA_PINGROUP_LD14,

	TEGRA_PINGROUP_LD15,

	TEGRA_PINGROUP_LD16,

	TEGRA_PINGROUP_LD17,

	TEGRA_PINGROUP_LD2,

	TEGRA_PINGROUP_LD3,

	TEGRA_PINGROUP_LD4,

	TEGRA_PINGROUP_LD5,

	TEGRA_PINGROUP_LD6,

	TEGRA_PINGROUP_LD7,

	TEGRA_PINGROUP_LD8,

	TEGRA_PINGROUP_LD9,

	TEGRA_PINGROUP_LDC,

	TEGRA_PINGROUP_LDI,

	TEGRA_PINGROUP_LHP0,

	TEGRA_PINGROUP_LHP1,

	TEGRA_PINGROUP_LHP2,

	TEGRA_PINGROUP_LHS,

	TEGRA_PINGROUP_LM0,

	TEGRA_PINGROUP_LM1,

	TEGRA_PINGROUP_LPP,

	TEGRA_PINGROUP_LPW0,

	TEGRA_PINGROUP_LPW1,

	TEGRA_PINGROUP_LPW2,

	TEGRA_PINGROUP_LSC0,

	TEGRA_PINGROUP_LSC1,

	TEGRA_PINGROUP_LSCK,

	TEGRA_PINGROUP_LSDA,

	TEGRA_PINGROUP_LSDI,

	TEGRA_PINGROUP_LSPI,

	TEGRA_PINGROUP_LVP0,

	TEGRA_PINGROUP_LVP1,

	TEGRA_PINGROUP_LVS,

	TEGRA_PINGROUP_OWC,

	TEGRA_PINGROUP_PMC,

	TEGRA_PINGROUP_PTA,

	TEGRA_PINGROUP_RM,

	TEGRA_PINGROUP_SDB,

	TEGRA_PINGROUP_SDC,

	TEGRA_PINGROUP_SDD,

	TEGRA_PINGROUP_SDIO1,

	TEGRA_PINGROUP_SLXA,

	TEGRA_PINGROUP_SLXC,

	TEGRA_PINGROUP_SLXD,

	TEGRA_PINGROUP_SLXK,

	TEGRA_PINGROUP_SPDI,

	TEGRA_PINGROUP_SPDO,

	TEGRA_PINGROUP_SPIA,

	TEGRA_PINGROUP_SPIB,

	TEGRA_PINGROUP_SPIC,

	TEGRA_PINGROUP_SPID,

	TEGRA_PINGROUP_SPIE,

	TEGRA_PINGROUP_SPIF,

	TEGRA_PINGROUP_SPIG,

	TEGRA_PINGROUP_SPIH,

	TEGRA_PINGROUP_UAA,

	TEGRA_PINGROUP_UAB,

	TEGRA_PINGROUP_UAC,

	TEGRA_PINGROUP_UAD,

	TEGRA_PINGROUP_UCA,

	TEGRA_PINGROUP_UCB,

	TEGRA_PINGROUP_UDA,

	/* these pin groups only have pullup and pull down control */

	TEGRA_PINGROUP_CK32,

	TEGRA_PINGROUP_DDRC,

	TEGRA_PINGROUP_PMCA,

	TEGRA_PINGROUP_PMCB,

	TEGRA_PINGROUP_PMCC,

	TEGRA_PINGROUP_PMCD,

	TEGRA_PINGROUP_PMCE,

	TEGRA_PINGROUP_XM2C,

	TEGRA_PINGROUP_XM2D,

	TEGRA_MAX_PINGROUP,

};



enum tegra_mux_func {

	TEGRA_MUX_RSVD = 0x8000,

	TEGRA_MUX_RSVD1 = 0x8000,

	TEGRA_MUX_RSVD2 = 0x8001,

	TEGRA_MUX_RSVD3 = 0x8002,

	TEGRA_MUX_RSVD4 = 0x8003,

	TEGRA_MUX_NONE = -1,

	TEGRA_MUX_AHB_CLK,

	TEGRA_MUX_APB_CLK,

	TEGRA_MUX_AUDIO_SYNC,

	TEGRA_MUX_CRT,

	TEGRA_MUX_DAP1,

	TEGRA_MUX_DAP2,

	TEGRA_MUX_DAP3,

	TEGRA_MUX_DAP4,

	TEGRA_MUX_DAP5,

	TEGRA_MUX_DISPLAYA,

	TEGRA_MUX_DISPLAYB,

	TEGRA_MUX_EMC_TEST0_DLL,

	TEGRA_MUX_EMC_TEST1_DLL,

	TEGRA_MUX_GMI,

	TEGRA_MUX_GMI_INT,

	TEGRA_MUX_HDMI,

	TEGRA_MUX_I2C,

	TEGRA_MUX_I2C2,

	TEGRA_MUX_I2C3,

	TEGRA_MUX_IDE,

	TEGRA_MUX_IRDA,

	TEGRA_MUX_KBC,

	TEGRA_MUX_MIO,

	TEGRA_MUX_MIPI_HS,

	TEGRA_MUX_NAND,

	TEGRA_MUX_OSC,

	TEGRA_MUX_OWR,

	TEGRA_MUX_PCIE,

	TEGRA_MUX_PLLA_OUT,

	TEGRA_MUX_PLLC_OUT1,

	TEGRA_MUX_PLLM_OUT1,

	TEGRA_MUX_PLLP_OUT2,

	TEGRA_MUX_PLLP_OUT3,

	TEGRA_MUX_PLLP_OUT4,

	TEGRA_MUX_PWM,

	TEGRA_MUX_PWR_INTR,

	TEGRA_MUX_PWR_ON,

	TEGRA_MUX_RTCK,

	TEGRA_MUX_SDIO1,

	TEGRA_MUX_SDIO2,

	TEGRA_MUX_SDIO3,

	TEGRA_MUX_SDIO4,

	TEGRA_MUX_SFLASH,

	TEGRA_MUX_SPDIF,

	TEGRA_MUX_SPI1,

	TEGRA_MUX_SPI2,

	TEGRA_MUX_SPI2_ALT,

	TEGRA_MUX_SPI3,

	TEGRA_MUX_SPI4,

	TEGRA_MUX_TRACE,

	TEGRA_MUX_TWC,

	TEGRA_MUX_UARTA,

	TEGRA_MUX_UARTB,

	TEGRA_MUX_UARTC,

	TEGRA_MUX_UARTD,

	TEGRA_MUX_UARTE,

	TEGRA_MUX_ULPI,

	TEGRA_MUX_VI,

	TEGRA_MUX_VI_SENSOR_CLK,

	TEGRA_MUX_XIO,

	TEGRA_MAX_MUX,

};



enum tegra_pullupdown {

	TEGRA_PUPD_NORMAL = 0,

	TEGRA_PUPD_PULL_DOWN,

	TEGRA_PUPD_PULL_UP,

};



enum tegra_tristate {

	TEGRA_TRI_NORMAL = 0,

	TEGRA_TRI_TRISTATE = 1,

};



struct tegra_pingroup_config {

	enum tegra_pingroup	pingroup;

	enum tegra_mux_func	func;

	enum tegra_pullupdown	pupd;

	enum tegra_tristate	tristate;

};



enum tegra_slew {

	TEGRA_SLEW_FASTEST = 0,

	TEGRA_SLEW_FAST,

	TEGRA_SLEW_SLOW,

	TEGRA_SLEW_SLOWEST,

	TEGRA_MAX_SLEW,

};



enum tegra_pull_strength {

	TEGRA_PULL_0 = 0,

	TEGRA_PULL_1,

	TEGRA_PULL_2,

	TEGRA_PULL_3,

	TEGRA_PULL_4,

	TEGRA_PULL_5,

	TEGRA_PULL_6,

	TEGRA_PULL_7,

	TEGRA_PULL_8,

	TEGRA_PULL_9,

	TEGRA_PULL_10,

	TEGRA_PULL_11,

	TEGRA_PULL_12,

	TEGRA_PULL_13,

	TEGRA_PULL_14,

	TEGRA_PULL_15,

	TEGRA_PULL_16,

	TEGRA_PULL_17,

	TEGRA_PULL_18,

	TEGRA_PULL_19,

	TEGRA_PULL_20,

	TEGRA_PULL_21,

	TEGRA_PULL_22,

	TEGRA_PULL_23,

	TEGRA_PULL_24,

	TEGRA_PULL_25,

	TEGRA_PULL_26,

	TEGRA_PULL_27,

	TEGRA_PULL_28,

	TEGRA_PULL_29,

	TEGRA_PULL_30,

	TEGRA_PULL_31,

	TEGRA_MAX_PULL,

};



enum tegra_drive_pingroup {

	TEGRA_DRIVE_PINGROUP_AO1 = 0,

	TEGRA_DRIVE_PINGROUP_AO2,

	TEGRA_DRIVE_PINGROUP_AT1,

	TEGRA_DRIVE_PINGROUP_AT2,

	TEGRA_DRIVE_PINGROUP_CDEV1,

	TEGRA_DRIVE_PINGROUP_CDEV2,

	TEGRA_DRIVE_PINGROUP_CSUS,

	TEGRA_DRIVE_PINGROUP_DAP1,

	TEGRA_DRIVE_PINGROUP_DAP2,

	TEGRA_DRIVE_PINGROUP_DAP3,

	TEGRA_DRIVE_PINGROUP_DAP4,

	TEGRA_DRIVE_PINGROUP_DBG,

	TEGRA_DRIVE_PINGROUP_LCD1,

	TEGRA_DRIVE_PINGROUP_LCD2,

	TEGRA_DRIVE_PINGROUP_SDMMC2,

	TEGRA_DRIVE_PINGROUP_SDMMC3,

	TEGRA_DRIVE_PINGROUP_SPI,

	TEGRA_DRIVE_PINGROUP_UAA,

	TEGRA_DRIVE_PINGROUP_UAB,

	TEGRA_DRIVE_PINGROUP_UART2,

	TEGRA_DRIVE_PINGROUP_UART3,

	TEGRA_DRIVE_PINGROUP_VI1,

	TEGRA_DRIVE_PINGROUP_VI2,

	TEGRA_DRIVE_PINGROUP_XM2A,

	TEGRA_DRIVE_PINGROUP_XM2C,

	TEGRA_DRIVE_PINGROUP_XM2D,

	TEGRA_DRIVE_PINGROUP_XM2CLK,

	TEGRA_DRIVE_PINGROUP_MEMCOMP,

	TEGRA_MAX_DRIVE_PINGROUP,

};



enum tegra_drive {

	TEGRA_DRIVE_DIV_8 = 0,

	TEGRA_DRIVE_DIV_4,

	TEGRA_DRIVE_DIV_2,

	TEGRA_DRIVE_DIV_1,

	TEGRA_MAX_DRIVE,

};



enum tegra_hsm {

	TEGRA_HSM_DISABLE = 0,

	TEGRA_HSM_ENABLE,

};



enum tegra_schmitt {

	TEGRA_SCHMITT_DISABLE = 0,

	TEGRA_SCHMITT_ENABLE,

};



struct tegra_drive_pingroup_config {

	enum tegra_drive_pingroup pingroup;

	enum tegra_hsm hsm;

	enum tegra_schmitt schmitt;

	enum tegra_drive drive;

	enum tegra_pull_strength pull_down;

	enum tegra_pull_strength pull_up;

	enum tegra_slew slew_rising;

	enum tegra_slew slew_falling;

};



int tegra_pinmux_set_func(enum tegra_pingroup pg, enum tegra_mux_func func);

int tegra_pinmux_set_tristate(enum tegra_pingroup pg, enum tegra_tristate tristate);

int tegra_pinmux_set_pullupdown(enum tegra_pingroup pg, enum tegra_pullupdown pupd);



void tegra_pinmux_config_pingroup(enum tegra_pingroup pingroup,

	enum tegra_mux_func func, enum tegra_pullupdown pupd,

	enum tegra_tristate tristate);



void tegra_pinmux_config_table(struct tegra_pingroup_config *config, int len);



void tegra_drive_pinmux_config_table(struct tegra_drive_pingroup_config *config,

	int len);



#endif

arch/arm/mach-tegra/pinmux.c

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