tiva-c-pinctrl.h

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#ifndef ZEPHYR_INCLUDE_DT_BINDINGS_PINCTRL_TIVA_C_PINCTRL_H_
#define ZEPHYR_INCLUDE_DT_BINDINGS_PINCTRL_TIVA_C_PINCTRL_H_
 
/*
 * Tiva C pinmux encoding (32-bit):
 *   Bits [15:0]  : port details
 *   Bits [31:16] : pin details
 */

#define TIVA_C_PORT_SHIFT  0
#define TIVA_C_PORT_MASK   0x7
#define TIVA_C_PIN_SHIFT   16
#define TIVA_C_PIN_MASK    0x7
#define TIVA_C_MUX_SHIFT   19
#define TIVA_C_MUX_MASK    0xF
#define TIVA_C_TYPE_SHIFT  23
#define TIVA_C_TYPE_MASK   0x7

#define TIVA_C_PORT_A 0
#define TIVA_C_PORT_B 1
#define TIVA_C_PORT_C 2
#define TIVA_C_PORT_D 3
#define TIVA_C_PORT_E 4
#define TIVA_C_PORT_F 5

#define TIVA_C_TYPE_GPIO 0
#define TIVA_C_TYPE_UART 1
#define TIVA_C_TYPE_I2C 2
#define TIVA_C_TYPE_I2C_SCL 3
#define TIVA_C_TYPE_SSI 4
#define TIVA_C_TYPE_CAN 5
#define TIVA_C_TYPE_PWM 6

#define TIVA_C_PINMUX(port, pin, mux, type) \
        ((((port) & TIVA_C_PORT_MASK) << TIVA_C_PORT_SHIFT) | \
         (((pin) & TIVA_C_PIN_MASK) << TIVA_C_PIN_SHIFT) | \
         (((mux) & TIVA_C_MUX_MASK) << TIVA_C_MUX_SHIFT) | \
         (((type) & TIVA_C_TYPE_MASK) << TIVA_C_TYPE_SHIFT))

#define TIVA_C_PINMUX_PORT(pm) \
        (((pm) >> TIVA_C_PORT_SHIFT) & TIVA_C_PORT_MASK)

#define TIVA_C_PINMUX_PIN(pm) \
        (((pm) >> TIVA_C_PIN_SHIFT) & TIVA_C_PIN_MASK)

#define TIVA_C_PINMUX_MUX(pm) \
        (((pm) >> TIVA_C_MUX_SHIFT) & TIVA_C_MUX_MASK)

#define TIVA_C_PINMUX_TYPE(pm) \
        (((pm) >> TIVA_C_TYPE_SHIFT) & TIVA_C_TYPE_MASK)

#define TIVA_C_PULL_UP_SHIFT 26
#define TIVA_C_PULL_DOWN_SHIFT 27
#define TIVA_C_OPEN_DRAIN_SHIFT 28

#define TIVA_C_PINMUX_PULL_UP(pm) \
        (((pm) >> TIVA_C_PULL_UP_SHIFT) & 0x1U)

#define TIVA_C_PINMUX_PULL_DOWN(pm) \
        (((pm) >> TIVA_C_PULL_DOWN_SHIFT) & 0x1U)

#define TIVA_C_PINMUX_OPEN_DRAIN(pm) \
        (((pm) >> TIVA_C_OPEN_DRAIN_SHIFT) & 0x1U)

#define TIVA_C_PINCFG_PORT_SHIFT 16
#define TIVA_C_PINCFG_PIN_SHIFT 10
 
#endif