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/*
* pinmux driver shared headfile for CSR SiRFsoc
*
* Copyright (c) 2011 Cambridge Silicon Radio Limited, a CSR plc group company.
*
* Licensed under GPLv2 or later.
*/
#ifndef __PINMUX_SIRF_H__
#define __PINMUX_SIRF_H__
#define SIRFSOC_NUM_PADS 622
#define SIRFSOC_RSC_USB_UART_SHARE 0
#define SIRFSOC_RSC_PIN_MUX 0x4
#define SIRFSOC_GPIO_PAD_EN(g) ((g)*0x100 + 0x84)
#define SIRFSOC_GPIO_PAD_EN_CLR(g) ((g)*0x100 + 0x90)
#define SIRFSOC_GPIO_CTRL(g, i) ((g)*0x100 + (i)*4)
#define SIRFSOC_GPIO_DSP_EN0 (0x80)
#define SIRFSOC_GPIO_INT_STATUS(g) ((g)*0x100 + 0x8C)
#define SIRFSOC_GPIO_CTL_INTR_LOW_MASK 0x1
#define SIRFSOC_GPIO_CTL_INTR_HIGH_MASK 0x2
#define SIRFSOC_GPIO_CTL_INTR_TYPE_MASK 0x4
#define SIRFSOC_GPIO_CTL_INTR_EN_MASK 0x8
#define SIRFSOC_GPIO_CTL_INTR_STS_MASK 0x10
#define SIRFSOC_GPIO_CTL_OUT_EN_MASK 0x20
#define SIRFSOC_GPIO_CTL_DATAOUT_MASK 0x40
#define SIRFSOC_GPIO_CTL_DATAIN_MASK 0x80
#define SIRFSOC_GPIO_CTL_PULL_MASK 0x100
#define SIRFSOC_GPIO_CTL_PULL_HIGH 0x200
#define SIRFSOC_GPIO_CTL_DSP_INT 0x400
#define SIRFSOC_GPIO_NO_OF_BANKS 5
#define SIRFSOC_GPIO_BANK_SIZE 32
#define SIRFSOC_GPIO_NUM(bank, index) (((bank)*(32)) + (index))
/**
* @dev: a pointer back to containing device
* @virtbase: the offset to the controller in virtual memory
*/
struct sirfsoc_pmx {
struct device *dev;
struct pinctrl_dev *pmx;
void __iomem *gpio_virtbase;
void __iomem *rsc_virtbase;
u32 gpio_regs[SIRFSOC_GPIO_NO_OF_BANKS][SIRFSOC_GPIO_BANK_SIZE];
u32 ints_regs[SIRFSOC_GPIO_NO_OF_BANKS];
u32 paden_regs[SIRFSOC_GPIO_NO_OF_BANKS];
u32 dspen_regs;
u32 rsc_regs[3];
};
/* SIRFSOC_GPIO_PAD_EN set */
struct sirfsoc_muxmask {
unsigned long group;
unsigned long mask;
};
struct sirfsoc_padmux {
unsigned long muxmask_counts;
const struct sirfsoc_muxmask *muxmask;
/* RSC_PIN_MUX set */
unsigned long ctrlreg;
unsigned long funcmask;
unsigned long funcval;
};
/**
* struct sirfsoc_pin_group - describes a SiRFprimaII pin group
* @name: the name of this specific pin group
* @pins: an array of discrete physical pins used in this group, taken
* from the driver-local pin enumeration space
* @num_pins: the number of pins in this group array, i.e. the number of
* elements in .pins so we can iterate over that array
*/
struct sirfsoc_pin_group {
const char *name;
const unsigned int *pins;
const unsigned num_pins;
};
#define SIRFSOC_PIN_GROUP(n, p) \
{ \
.name = n, \
.pins = p, \
.num_pins = ARRAY_SIZE(p), \
}
struct sirfsoc_pmx_func {
const char *name;
const char * const *groups;
const unsigned num_groups;
const struct sirfsoc_padmux *padmux;
};
#define SIRFSOC_PMX_FUNCTION(n, g, m) \
{ \
.name = n, \
.groups = g, \
.num_groups = ARRAY_SIZE(g), \
.padmux = &m, \
}
struct sirfsoc_pinctrl_data {
struct pinctrl_pin_desc *pads;
int pads_cnt;
struct sirfsoc_pin_group *grps;
int grps_cnt;
struct sirfsoc_pmx_func *funcs;
int funcs_cnt;
};
extern struct sirfsoc_pinctrl_data prima2_pinctrl_data;
extern struct sirfsoc_pinctrl_data atlas6_pinctrl_data;
#endif
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