gpio.h

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/* Source : APQ8064 LK Boot */
/* SPDX-License-Identifier: BSD-3-Clause */
 
#ifndef __SOC_QUALCOMM_IPQ40XX_GPIO_H_
#define __SOC_QUALCOMM_IPQ40XX_GPIO_H_
 
#include <types.h>
 
#define GPIO_FUNC_ENABLE                        1
#define GPIO_FUNC_DISABLE                       0
#define FUNC_SEL_1                              1
#define FUNC_SEL_3                              3
#define FUNC_SEL_GPIO                           0
#define GPIO_DRV_STR_10MA                       0x4
#define GPIO_DRV_STR_11MA                       0x7
 
/* GPIO TLMM: Direction */
#define GPIO_INPUT      0
#define GPIO_OUTPUT     1
 
/* GPIO TLMM: Pullup/Pulldown */
#define GPIO_NO_PULL    0
#define GPIO_PULL_DOWN  1
#define GPIO_PULL_UP    2
 
/* GPIO TLMM: Drive Strength */
#define GPIO_2MA        0
#define GPIO_4MA        1
#define GPIO_6MA        2
#define GPIO_8MA        3
#define GPIO_10MA       4
#define GPIO_12MA       5
#define GPIO_14MA       6
#define GPIO_16MA       7
 
/* GPIO TLMM: Status */
#define GPIO_DISABLE    0
#define GPIO_ENABLE     1
 
/* GPIO MAX Valid # */
#define GPIO_MAX_NUM  68
 
/* GPIO TLMM: Mask */
#define GPIO_CFG_PULL_MASK      0x3
#define GPIO_CFG_FUNC_MASK      0xF
#define GPIO_CFG_DRV_MASK       0x7
#define GPIO_CFG_OE_MASK        0x1
#define GPIO_CFG_VM_MASK        0x1
#define GPIO_CFG_OD_EN_MASK     0x1
#define GPIO_CFG_PU_REMASKFT    0x3
 
/* GPIO TLMM: Shift */
#define GPIO_CFG_PULL_SHIFT     0
#define GPIO_CFG_FUNC_SHIFT     2
#define GPIO_CFG_DRV_SHIFT      6
#define GPIO_CFG_OE_SHIFT       9
#define GPIO_CFG_VM_SHIFT       11
#define GPIO_CFG_OD_EN_SHIFT    12
#define GPIO_CFG_PU_RES_SHIFT   13
 
/* GPIO IO: Mask */
#define GPIO_IO_IN_MASK       0x1
#define GPIO_IO_OUT_MASK      0x1
 
/* GPIO IO: Shift */
#define GPIO_IO_IN_SHIFT      0
#define GPIO_IO_OUT_SHIFT     1
 
typedef u32 gpio_t;
 
void gpio_tlmm_config_set(gpio_t gpio, unsigned int func,
                          unsigned int pull, unsigned int drvstr,
                          unsigned int enable);
 
void gpio_tlmm_config_get(gpio_t gpio, unsigned int *func,
                          unsigned int *pull, unsigned int *drvstr,
                          unsigned int *enable);
 
void gpio_io_config_set(gpio_t gpio, unsigned int out);
 
/* Keep this to maintain backwards compatibility with the vendor API. */
static inline void gpio_tlmm_config(unsigned int gpio, unsigned int func,
                                    unsigned int dir, unsigned int pull,
                                    unsigned int drvstr, unsigned int enable)
{
        gpio_tlmm_config_set(gpio, func, pull, drvstr, enable);
}
 
#endif // __SOC_QUALCOMM_IPQ40XX_GPIO_H_