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Implement the imx_iomux_get/set_gpr() interface for imx6.

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This commit is contained in:
Ian Lepore 2014-09-04 15:11:57 +00:00
parent 5a782ebbd8
commit f8afe33355
1 changed files with 36 additions and 0 deletions
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36
sys/arm/freescale/imx/imx6_iomux.c
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@ -166,6 +166,42 @@ iomux_get_pad_config(unsigned int pin)
return(iomux_get_pad_config_sub(iomuxsc, pin));
}
uint32_t
imx_iomux_gpr_get(u_int regnum)
{
KASSERT(iomuxsc != NULL, ("imx_iomux_gpr_get() called before attach"));
KASSERT(regnum >= 0 && regnum <= 13,
("imx_iomux_gpr_get bad regnum %u", regnum));
return (IOMUX_READ(iomuxsc, IOMUXC_GPR0 + regnum));
}
void
imx_iomux_gpr_set(u_int regnum, uint32_t val)
{
KASSERT(iomuxsc != NULL, ("imx_iomux_gpr_set() called before attach"));
KASSERT(regnum >= 0 && regnum <= 13,
("imx_iomux_gpr_set bad regnum %u", regnum));
IOMUX_WRITE(iomuxsc, IOMUXC_GPR0 + regnum, val);
}
void
imx_iomux_gpr_set_masked(u_int regnum, uint32_t clrbits, uint32_t setbits)
{
uint32_t val;
KASSERT(iomuxsc != NULL,
("imx_iomux_gpr_set_masked called before attach"));
KASSERT(regnum >= 0 && regnum <= 13,
("imx_iomux_gpr_set_masked bad regnum %u", regnum));
val = IOMUX_READ(iomuxsc, IOMUXC_GPR0 + regnum);
val = (val & ~clrbits) | setbits;
IOMUX_WRITE(iomuxsc, IOMUXC_GPR0 + regnum, val);
}
static device_method_t imx6_iomux_methods[] = {
/* Device interface */
DEVMETHOD(device_probe, imx6_iomux_probe),