static struct device_t * irq_pl192_probe(struct driver_t * drv, struct dtnode_t * n)
{
struct irq_pl192_pdata_t * pdat;
struct irqchip_t * chip;
struct device_t * dev;
virtual_addr_t virt = phys_to_virt(dt_read_address(n));
u32_t id = (((read32(virt + 0xfec) & 0xff) << 24) |
((read32(virt + 0xfe8) & 0xff) << 16) |
((read32(virt + 0xfe4) & 0xff) << 8) |
((read32(virt + 0xfe0) & 0xff) << 0));
int base = dt_read_int(n, "interrupt-base", -1);
int nirq = dt_read_int(n, "interrupt-count", -1);
if(((id >> 12) & 0xff) != 0x41 || (id & 0xfff) != 0x192)
return NULL;
if((base < 0) || (nirq <= 0))
return NULL;
pdat = malloc(sizeof(struct irq_pl192_pdata_t));
if(!pdat)
return NULL;
chip = malloc(sizeof(struct irqchip_t));
if(!chip)
{
free(pdat);
return NULL;
}
pdat->virt = virt;
pdat->base = base;
pdat->nirq = nirq;
chip->name = alloc_device_name(dt_read_name(n), -1);
chip->base = pdat->base;
chip->nirq = pdat->nirq;
chip->handler = malloc(sizeof(struct irq_handler_t) * pdat->nirq);
chip->enable = irq_pl192_enable;
chip->disable = irq_pl192_disable;
chip->settype = irq_pl192_settype;
chip->dispatch = irq_pl192_dispatch;
chip->priv = pdat;
pl192_ctrl_init(pdat->virt);
arm64_interrupt_enable();
if(!register_irqchip(&dev, chip))
{
free_device_name(chip->name);
free(chip->handler);
free(chip->priv);
free(chip);
return NULL;
}
dev->driver = drv;
return dev;
}
static struct device_t * cs_samsung_timer_probe(struct driver_t * drv, struct dtnode_t * n)
{
struct cs_samsung_timer_pdata_t * pdat;
struct clocksource_t * cs;
struct device_t * dev;
virtual_addr_t virt = phys_to_virt(dt_read_address(n));
char * clk = dt_read_string(n, "clock-name", NULL);
int channel = dt_read_int(n, "timer-channel", -1);
u64_t rate;
if(!search_clk(clk))
return NULL;
if(channel < 0 || channel > 3)
return NULL;
pdat = malloc(sizeof(struct cs_samsung_timer_pdata_t));
if(!pdat)
return NULL;
cs = malloc(sizeof(struct clocksource_t));
if(!cs)
{
free(pdat);
return NULL;
}
pdat->virt = virt;
pdat->clk = strdup(clk);
pdat->channel = channel;
clk_enable(pdat->clk);
rate = samsung_timer_calc_tin(pdat->virt, pdat->clk, pdat->channel, 13);
clocksource_calc_mult_shift(&cs->mult, &cs->shift, rate, 1000000000ULL, 10);
cs->name = alloc_device_name(dt_read_name(n), -1);
cs->mask = CLOCKSOURCE_MASK(32);
cs->read = cs_samsung_timer_read;
cs->priv = pdat;
samsung_timer_enable(pdat->virt, pdat->channel, 0);
samsung_timer_count(pdat->virt, pdat->channel, 0xffffffff);
samsung_timer_start(pdat->virt, pdat->channel, 0);
if(!register_clocksource(&dev, cs))
{
samsung_timer_stop(pdat->virt, pdat->channel);
samsung_timer_disable(pdat->virt, pdat->channel);
clk_disable(pdat->clk);
free(pdat->clk);
free_device_name(cs->name);
free(cs->priv);
free(cs);
return NULL;
}
dev->driver = drv;
return dev;
}
static struct device_t * pwm_v3s_probe(struct driver_t * drv, struct dtnode_t * n)
{
struct pwm_v3s_pdata_t * pdat;
struct pwm_t * pwm;
struct device_t * dev;
virtual_addr_t virt = phys_to_virt(dt_read_address(n));
char * clk = dt_read_string(n, "clock-name", NULL);
int channel = dt_read_int(n, "channel", -1);
if(channel < 0 || channel > 1)
return NULL;
if(!search_clk(clk))
return NULL;
pdat = malloc(sizeof(struct pwm_v3s_pdata_t));
if(!pdat)
return NULL;
pwm = malloc(sizeof(struct pwm_t));
if(!pwm)
{
free(pdat);
return NULL;
}
pdat->virt = virt;
pdat->clk = strdup(clk);
pdat->channel = channel;
pdat->pwm = dt_read_int(n, "pwm-gpio", -1);
pdat->pwmcfg = dt_read_int(n, "pwm-gpio-config", -1);
pwm->name = alloc_device_name(dt_read_name(n), -1);
pwm->config = pwm_v3s_config;
pwm->enable = pwm_v3s_enable;
pwm->disable = pwm_v3s_disable;
pwm->priv = pdat;
write32(pdat->virt + PWM_CTRL, read32(pdat->virt + PWM_CTRL) &~(0x3fff << (pdat->channel * 15)));
write32(pdat->virt + PWM_PERIOD(pdat->channel), 0);
if(!register_pwm(&dev, pwm))
{
free(pdat->clk);
free_device_name(pwm->name);
free(pwm->priv);
free(pwm);
return NULL;
}
dev->driver = drv;
return dev;
}
static struct device_t * irq_gic400_probe(struct driver_t * drv, struct dtnode_t * n)
{
struct irq_gic400_pdata_t * pdat;
struct irqchip_t * chip;
struct device_t * dev;
virtual_addr_t virt = phys_to_virt(dt_read_address(n));
int base = dt_read_int(n, "interrupt-base", -1);
int nirq = dt_read_int(n, "interrupt-count", -1);
if((base < 0) || (nirq <= 0))
return NULL;
pdat = malloc(sizeof(struct irq_gic400_pdata_t));
if(!pdat)
return NULL;
chip = malloc(sizeof(struct irqchip_t));
if(!chip)
{
free(pdat);
return NULL;
}
pdat->virt = virt;
pdat->base = base;
pdat->nirq = nirq;
chip->name = alloc_device_name(dt_read_name(n), -1);
chip->base = pdat->base;
chip->nirq = pdat->nirq;
chip->handler = malloc(sizeof(struct irq_handler_t) * pdat->nirq);
chip->enable = irq_gic400_enable;
chip->disable = irq_gic400_disable;
chip->settype = irq_gic400_settype;
chip->dispatch = irq_gic400_dispatch;
chip->priv = pdat;
gic400_dist_init(pdat->virt);
gic400_cpu_init(pdat->virt);
arm32_interrupt_enable();
if(!register_irqchip(&dev, chip))
{
free_device_name(chip->name);
free(chip->handler);
free(chip->priv);
free(chip);
return NULL;
}
dev->driver = drv;
return dev;
}
static struct device_t * irq_rk3288_gpio_probe(struct driver_t * drv, struct dtnode_t * n)
{
struct irq_rk3288_gpio_pdata_t * pdat;
struct irqchip_t * chip;
struct device_t * dev;
virtual_addr_t virt = phys_to_virt(dt_read_address(n));
int base = dt_read_int(n, "interrupt-base", -1);
int nirq = dt_read_int(n, "interrupt-count", -1);
int parent = dt_read_int(n, "interrupt-parent", -1);
if((base < 0) || (nirq <= 0) || !irq_is_valid(parent))
return NULL;
pdat = malloc(sizeof(struct irq_rk3288_gpio_pdata_t));
if(!pdat)
return NULL;
chip = malloc(sizeof(struct irqchip_t));
if(!chip)
{
free(pdat);
return NULL;
}
pdat->virt = virt;
pdat->base = base;
pdat->nirq = nirq;
pdat->parent = parent;
pdat->both = 0;
chip->name = alloc_device_name(dt_read_name(n), -1);
chip->base = pdat->base;
chip->nirq = pdat->nirq;
chip->handler = malloc(sizeof(struct irq_handler_t) * pdat->nirq);
chip->enable = irq_rk3288_gpio_enable;
chip->disable = irq_rk3288_gpio_disable;
chip->settype = irq_rk3288_gpio_settype;
chip->dispatch = irq_rk3288_gpio_dispatch;
chip->priv = pdat;
if(!register_sub_irqchip(&dev, pdat->parent, chip))
{
free_device_name(chip->name);
free(chip->handler);
free(chip->priv);
free(chip);
return NULL;
}
dev->driver = drv;
return dev;
}
static struct device_t * wdg_s5pv210_probe(struct driver_t * drv, struct dtnode_t * n)
{
struct wdg_s5pv210_pdata_t * pdat;
struct watchdog_t * wdg;
struct device_t * dev;
virtual_addr_t virt = phys_to_virt(dt_read_address(n));
char * clk = dt_read_string(n, "clock-name", NULL);
if(!search_clk(clk))
return NULL;
pdat = malloc(sizeof(struct wdg_s5pv210_pdata_t));
if(!pdat)
return NULL;
wdg = malloc(sizeof(struct watchdog_t));
if(!wdg)
{
free(pdat);
return NULL;
}
pdat->virt = virt;
pdat->clk = strdup(clk);
wdg->name = alloc_device_name(dt_read_name(n), -1);
wdg->set = wdg_s5pv210_set;
wdg->get = wdg_s5pv210_get;
wdg->priv = pdat;
clk_enable(pdat->clk);
write32(pdat->virt + WTCON, 0x0);
write32(pdat->virt + WTDAT, 0x0);
write32(pdat->virt + WTCNT, 0x0);
if(!register_watchdog(&dev, wdg))
{
clk_disable(pdat->clk);
free(pdat->clk);
free_device_name(wdg->name);
free(wdg->priv);
free(wdg);
return NULL;
}
dev->driver = drv;
return dev;
}
static struct device_t * reset_rk3128_probe(struct driver_t * drv, struct dtnode_t * n)
{
struct reset_rk3128_pdata_t * pdat;
struct resetchip_t * chip;
struct device_t * dev;
virtual_addr_t virt = phys_to_virt(dt_read_address(n));
int base = dt_read_int(n, "reset-base", -1);
int nreset = dt_read_int(n, "reset-count", -1);
if((base < 0) || (nreset <= 0))
return NULL;
pdat = malloc(sizeof(struct reset_rk3128_pdata_t));
if(!pdat)
return NULL;
chip = malloc(sizeof(struct resetchip_t));
if(!chip)
{
free(pdat);
return NULL;
}
pdat->virt = virt;
pdat->base = base;
pdat->nreset = nreset;
chip->name = alloc_device_name(dt_read_name(n), -1);
chip->base = pdat->base;
chip->nreset = pdat->nreset;
chip->assert = reset_rk3128_assert;
chip->deassert = reset_rk3128_deassert;
chip->priv = pdat;
if(!register_resetchip(&dev, chip))
{
free_device_name(chip->name);
free(chip->priv);
free(chip);
return NULL;
}
dev->driver = drv;
return dev;
}
static struct device_t * wdog_bcm2836_probe(struct driver_t * drv, struct dtnode_t * n)
{
struct wdog_bcm2836_pdata_t * pdat;
struct watchdog_t * wdog;
struct device_t * dev;
virtual_addr_t virt = phys_to_virt(dt_read_address(n));
pdat = malloc(sizeof(struct wdog_bcm2836_pdata_t));
if(!pdat)
return NULL;
wdog = malloc(sizeof(struct watchdog_t));
if(!wdog)
{
free(pdat);
return NULL;
}
pdat->virt = virt;
pdat->start = 0;
wdog->name = alloc_device_name(dt_read_name(n), -1);
wdog->set = wdog_bcm2836_set;
wdog->get = wdog_bcm2836_get,
wdog->priv = pdat;
if(!register_watchdog(&dev, wdog))
{
free_device_name(wdog->name);
free(wdog->priv);
free(wdog);
return NULL;
}
dev->driver = drv;
return dev;
}
static struct device_t * ce_samsung_timer_probe(struct driver_t * drv, struct dtnode_t * n)
{
struct ce_samsung_timer_pdata_t * pdat;
struct clockevent_t * ce;
struct device_t * dev;
virtual_addr_t virt = phys_to_virt(dt_read_address(n));
char * clk = dt_read_string(n, "clock-name", NULL);
int irq = dt_read_int(n, "interrupt", -1);
int channel = dt_read_int(n, "timer-channel", -1);
u64_t rate;
if(!search_clk(clk))
return NULL;
if(!irq_is_valid(irq))
return NULL;
if(channel < 0 || channel > 3)
return NULL;
pdat = malloc(sizeof(struct ce_samsung_timer_pdata_t));
if(!pdat)
return NULL;
ce = malloc(sizeof(struct clockevent_t));
if(!ce)
{
free(pdat);
return NULL;
}
pdat->virt = virt;
pdat->clk = strdup(clk);
pdat->irq = irq;
pdat->channel = channel;
clk_enable(pdat->clk);
rate = samsung_timer_calc_tin(pdat->virt, pdat->clk, pdat->channel, 107);
clockevent_calc_mult_shift(ce, rate, 10);
ce->name = alloc_device_name(dt_read_name(n), -1);
ce->min_delta_ns = clockevent_delta2ns(ce, 0x1);
ce->max_delta_ns = clockevent_delta2ns(ce, 0xffffffff);
ce->next = ce_samsung_timer_next,
ce->priv = pdat;
if(!request_irq(pdat->irq, ce_samsung_timer_interrupt, IRQ_TYPE_NONE, ce))
{
clk_disable(pdat->clk);
free(pdat->clk);
free(ce->priv);
free(ce);
return NULL;
}
samsung_timer_enable(pdat->virt, pdat->channel, 1);
samsung_timer_count(pdat->virt, pdat->channel, 0);
samsung_timer_stop(pdat->virt, pdat->channel);
if(!register_clockevent(&dev, ce))
{
samsung_timer_irq_clear(pdat->virt, pdat->channel);
samsung_timer_stop(pdat->virt, pdat->channel);
samsung_timer_disable(pdat->virt, pdat->channel);
clk_disable(pdat->clk);
free_irq(pdat->irq);
free(pdat->clk);
free_device_name(ce->name);
free(ce->priv);
free(ce);
return NULL;
}
dev->driver = drv;
return dev;
}
static struct device_t * sdhci_v3s_probe(struct driver_t * drv, struct dtnode_t * n)
{
struct sdhci_v3s_pdata_t * pdat;
struct sdhci_t * sdhci;
struct device_t * dev;
virtual_addr_t virt = phys_to_virt(dt_read_address(n));
char * pclk = dt_read_string(n, "clock-name", NULL);
if(!search_clk(pclk))
return NULL;
pdat = malloc(sizeof(struct sdhci_v3s_pdata_t));
if(!pdat)
return FALSE;
sdhci = malloc(sizeof(struct sdhci_t));
if(!sdhci)
{
free(pdat);
return FALSE;
}
pdat->virt = virt;
pdat->pclk = strdup(pclk);
pdat->reset = dt_read_int(n, "reset", -1);
pdat->clk = dt_read_int(n, "clk-gpio", -1);
pdat->clkcfg = dt_read_int(n, "clk-gpio-config", -1);
pdat->cmd = dt_read_int(n, "cmd-gpio", -1);
pdat->cmdcfg = dt_read_int(n, "cmd-gpio-config", -1);
pdat->dat0 = dt_read_int(n, "dat0-gpio", -1);
pdat->dat0cfg = dt_read_int(n, "dat0-gpio-config", -1);
pdat->dat1 = dt_read_int(n, "dat1-gpio", -1);
pdat->dat1cfg = dt_read_int(n, "dat1-gpio-config", -1);
pdat->dat2 = dt_read_int(n, "dat2-gpio", -1);
pdat->dat2cfg = dt_read_int(n, "dat2-gpio-config", -1);
pdat->dat3 = dt_read_int(n, "dat3-gpio", -1);
pdat->dat3cfg = dt_read_int(n, "dat3-gpio-config", -1);
pdat->dat4 = dt_read_int(n, "dat4-gpio", -1);
pdat->dat4cfg = dt_read_int(n, "dat4-gpio-config", -1);
pdat->dat5 = dt_read_int(n, "dat5-gpio", -1);
pdat->dat5cfg = dt_read_int(n, "dat5-gpio-config", -1);
pdat->dat6 = dt_read_int(n, "dat6-gpio", -1);
pdat->dat6cfg = dt_read_int(n, "dat6-gpio-config", -1);
pdat->dat7 = dt_read_int(n, "dat7-gpio", -1);
pdat->dat7cfg = dt_read_int(n, "dat7-gpio-config", -1);
pdat->cd = dt_read_int(n, "cd-gpio", -1);
pdat->cdcfg = dt_read_int(n, "cd-gpio-config", -1);
sdhci->name = alloc_device_name(dt_read_name(n), -1);
sdhci->voltage = MMC_VDD_27_36;
sdhci->width = MMC_BUS_WIDTH_4;
sdhci->clock = 52 * 1000 * 1000;
sdhci->removable = TRUE;
sdhci->detect = sdhci_v3s_detect;
sdhci->setvoltage = sdhci_v3s_setvoltage;
sdhci->setwidth = sdhci_v3s_setwidth;
sdhci->setclock = sdhci_v3s_setclock;
sdhci->transfer = sdhci_v3s_transfer;
sdhci->priv = pdat;
clk_enable(pdat->pclk);
if(pdat->reset >= 0)
reset_deassert(pdat->reset);
if(pdat->clk >= 0)
{
if(pdat->clkcfg >= 0)
gpio_set_cfg(pdat->clk, pdat->clkcfg);
gpio_set_pull(pdat->clk, GPIO_PULL_UP);
}
if(pdat->cmd >= 0)
{
if(pdat->cmdcfg >= 0)
gpio_set_cfg(pdat->cmd, pdat->cmdcfg);
gpio_set_pull(pdat->cmd, GPIO_PULL_UP);
}
if(pdat->dat0 >= 0)
{
if(pdat->dat0cfg >= 0)
gpio_set_cfg(pdat->dat0, pdat->dat0cfg);
gpio_set_pull(pdat->dat0, GPIO_PULL_UP);
}
if(pdat->dat1 >= 0)
{
if(pdat->dat1cfg >= 0)
gpio_set_cfg(pdat->dat1, pdat->dat1cfg);
gpio_set_pull(pdat->dat1, GPIO_PULL_UP);
}
if(pdat->dat2 >= 0)
{
if(pdat->dat2cfg >= 0)
gpio_set_cfg(pdat->dat2, pdat->dat2cfg);
gpio_set_pull(pdat->dat2, GPIO_PULL_UP);
}
if(pdat->dat3 >= 0)
{
if(pdat->dat3cfg >= 0)
gpio_set_cfg(pdat->dat3, pdat->dat3cfg);
gpio_set_pull(pdat->dat3, GPIO_PULL_UP);
}
if(pdat->dat4 >= 0)
{
if(pdat->dat4cfg >= 0)
gpio_set_cfg(pdat->dat4, pdat->dat4cfg);
gpio_set_pull(pdat->dat4, GPIO_PULL_UP);
}
if(pdat->dat5 >= 0)
{
if(pdat->dat5cfg >= 0)
gpio_set_cfg(pdat->dat5, pdat->dat5cfg);
gpio_set_pull(pdat->dat5, GPIO_PULL_UP);
}
if(pdat->dat6 >= 0)
{
if(pdat->dat6cfg >= 0)
gpio_set_cfg(pdat->dat6, pdat->dat6cfg);
gpio_set_pull(pdat->dat6, GPIO_PULL_UP);
}
if(pdat->dat7 >= 0)
{
if(pdat->dat7cfg >= 0)
gpio_set_cfg(pdat->dat7, pdat->dat7cfg);
gpio_set_pull(pdat->dat7, GPIO_PULL_UP);
}
if(pdat->cd >= 0)
{
if(pdat->cdcfg >= 0)
gpio_set_cfg(pdat->cd, pdat->cdcfg);
gpio_set_pull(pdat->cd, GPIO_PULL_UP);
}
if(!register_sdhci(&dev, sdhci))
{
clk_disable(pdat->pclk);
free(pdat->pclk);
free_device_name(sdhci->name);
free(sdhci->priv);
free(sdhci);
return NULL;
}
dev->driver = drv;
return dev;
}
static struct device_t * clk_mux_probe(struct driver_t * drv, struct dtnode_t * n)
{
struct clk_mux_pdata_t * pdat;
struct clk_mux_parent_t * parent;
struct clk_t * clk;
struct device_t * dev;
struct dtnode_t o;
virtual_addr_t virt = phys_to_virt(dt_read_address(n));
char * name = dt_read_string(n, "name", NULL);
int nparent = dt_read_array_length(n, "parent");
int shift = dt_read_int(n, "shift", -1);
int width = dt_read_int(n, "width", -1);
int i;
if(!name || (nparent <= 0) || (shift < 0) || (width <= 0))
return NULL;
if(search_clk(name))
return NULL;
pdat = malloc(sizeof(struct clk_mux_pdata_t));
if(!pdat)
return NULL;
parent = malloc(sizeof(struct clk_mux_parent_t) * nparent);
if(!parent)
{
free(pdat);
return NULL;
}
clk = malloc(sizeof(struct clk_t));
if(!clk)
{
free(pdat);
free(parent);
return NULL;
}
for(i = 0; i < nparent; i++)
{
dt_read_array_object(n, "parent", i, &o);
parent[i].name = strdup(dt_read_string(&o, "name", NULL));
parent[i].value = dt_read_int(&o, "value", 0);
}
pdat->virt = virt;
pdat->parent = parent;
pdat->nparent = nparent;
pdat->shift = shift;
pdat->width = width;
clk->name = strdup(name);
clk->count = 0;
clk->set_parent = clk_mux_set_parent;
clk->get_parent = clk_mux_get_parent;
clk->set_enable = clk_mux_set_enable;
clk->get_enable = clk_mux_get_enable;
clk->set_rate = clk_mux_set_rate;
clk->get_rate = clk_mux_get_rate;
clk->priv = pdat;
if(!register_clk(&dev, clk))
{
for(i = 0; i < pdat->nparent; i++)
free(pdat->parent[i].name);
free(pdat->parent);
free(clk->name);
free(clk->priv);
free(clk);
return NULL;
}
dev->driver = drv;
if(dt_read_object(n, "default", &o))
{
char * c = clk->name;
char * p;
u64_t r;
int e;
if((p = dt_read_string(&o, "parent", NULL)) && search_clk(p))
clk_set_parent(c, p);
if((r = (u64_t)dt_read_long(&o, "rate", 0)) > 0)
clk_set_rate(c, r);
if((e = dt_read_bool(&o, "enable", -1)) != -1)
{
if(e > 0)
clk_enable(c);
else
clk_disable(c);
}
}
return dev;
}
static struct device_t * spi_rk3128_probe(struct driver_t * drv, struct dtnode_t * n)
{
struct spi_rk3128_pdata_t * pdat;
struct spi_t * spi;
struct device_t * dev;
virtual_addr_t virt = phys_to_virt(dt_read_address(n));
char * clk = dt_read_string(n, "clock-name", NULL);
pdat = malloc(sizeof(struct spi_rk3128_pdata_t));
if(!pdat)
return FALSE;
spi = malloc(sizeof(struct spi_t));
if(!spi)
{
free(pdat);
return FALSE;
}
pdat->virt = virt;
pdat->clk = strdup(clk);
pdat->sclk = dt_read_int(n, "sclk-gpio", -1);
pdat->sclkcfg = dt_read_int(n, "sclk-gpio-config", -1);
pdat->mosi = dt_read_int(n, "mosi-gpio", -1);
pdat->mosicfg = dt_read_int(n, "mosi-gpio-config", -1);
pdat->miso = dt_read_int(n, "miso-gpio", -1);
pdat->misocfg = dt_read_int(n, "miso-gpio-config", -1);
pdat->cs = dt_read_int(n, "cs-gpio", -1);
pdat->cscfg = dt_read_int(n, "cs-gpio-config", -1);
spi->name = alloc_device_name(dt_read_name(n), -1);
spi->type = SPI_TYPE_SINGLE;
spi->transfer = spi_rk3128_transfer;
spi->select = spi_rk3128_select;
spi->deselect = spi_rk3128_deselect;
spi->priv = pdat;
clk_enable(pdat->clk);
if(pdat->sclk >= 0)
{
if(pdat->sclkcfg >= 0)
gpio_set_cfg(pdat->sclk, pdat->sclkcfg);
gpio_set_pull(pdat->sclk, GPIO_PULL_NONE);
}
if(pdat->mosi >= 0)
{
if(pdat->mosicfg >= 0)
gpio_set_cfg(pdat->mosi, pdat->mosicfg);
gpio_set_pull(pdat->mosi, GPIO_PULL_NONE);
}
if(pdat->miso >= 0)
{
if(pdat->misocfg >= 0)
gpio_set_cfg(pdat->miso, pdat->misocfg);
gpio_set_pull(pdat->miso, GPIO_PULL_NONE);
}
if(pdat->cs >= 0)
{
if(pdat->cscfg >= 0)
gpio_set_cfg(pdat->cs, pdat->cscfg);
gpio_set_pull(pdat->cs, GPIO_PULL_NONE);
}
rk3128_spi_enable_chip(pdat, 0);
write32(pdat->virt + SPI_CTRLR0, (0 << 20) | (0 << 18) | (0 << 16) | (3 << 14) | (0 << 12) | (0 << 11) | (1 << 10) | (0 << 8) | (1 << 0));
write32(pdat->virt + SPI_TXFTLR, 32 / 2 - 1);
write32(pdat->virt + SPI_RXFTLR, 32 / 2 - 1);
if(!register_spi(&dev, spi))
{
clk_disable(pdat->clk);
free(pdat->clk);
free_device_name(spi->name);
free(spi->priv);
free(spi);
return NULL;
}
dev->driver = drv;
return dev;
}
static struct device_t * clk_rk3128_gate_probe(struct driver_t * drv, struct dtnode_t * n)
{
struct clk_rk3128_gate_pdata_t * pdat;
struct clk_t * clk;
struct device_t * dev;
struct dtnode_t o;
virtual_addr_t virt = phys_to_virt(dt_read_address(n));
char * parent = dt_read_string(n, "parent", NULL);
char * name = dt_read_string(n, "name", NULL);
int shift = dt_read_int(n, "shift", -1);
if(!parent || !name || (shift < 0))
return NULL;
if(!search_clk(parent) || search_clk(name))
return NULL;
pdat = malloc(sizeof(struct clk_rk3128_gate_pdata_t));
if(!pdat)
return NULL;
clk = malloc(sizeof(struct clk_t));
if(!clk)
{
free(pdat);
return NULL;
}
pdat->virt = virt;
pdat->parent = strdup(parent);
pdat->shift = shift;
pdat->invert = dt_read_bool(n, "invert", 0);
clk->name = strdup(name);
clk->count = 0;
clk->set_parent = clk_rk3128_gate_set_parent;
clk->get_parent = clk_rk3128_gate_get_parent;
clk->set_enable = clk_rk3128_gate_set_enable;
clk->get_enable = clk_rk3128_gate_get_enable;
clk->set_rate = clk_rk3128_gate_set_rate;
clk->get_rate = clk_rk3128_gate_get_rate;
clk->priv = pdat;
if(!register_clk(&dev, clk))
{
free(pdat->parent);
free(clk->name);
free(clk->priv);
free(clk);
return NULL;
}
dev->driver = drv;
if(dt_read_object(n, "default", &o))
{
char * c = clk->name;
char * p;
u64_t r;
int e;
if((p = dt_read_string(&o, "parent", NULL)) && search_clk(p))
clk_set_parent(c, p);
if((r = (u64_t)dt_read_long(&o, "rate", 0)) > 0)
clk_set_rate(c, r);
if((e = dt_read_bool(&o, "enable", -1)) != -1)
{
if(e > 0)
clk_enable(c);
else
clk_disable(c);
}
}
return dev;
}
static struct device_t * gpio_pl061_probe(struct driver_t * drv, struct dtnode_t * n)
{
struct gpio_pl061_pdata_t * pdat;
struct gpiochip_t * chip;
struct device_t * dev;
virtual_addr_t virt = phys_to_virt(dt_read_address(n));
u32_t id = (((read32(virt + 0xfec) & 0xff) << 24) |
((read32(virt + 0xfe8) & 0xff) << 16) |
((read32(virt + 0xfe4) & 0xff) << 8) |
((read32(virt + 0xfe0) & 0xff) << 0));
int base = dt_read_int(n, "gpio-base", -1);
int ngpio = dt_read_int(n, "gpio-count", -1);
if(((id >> 12) & 0xff) != 0x41 || (id & 0xfff) != 0x061)
return NULL;
if((base < 0) || (ngpio <= 0))
return NULL;
pdat = malloc(sizeof(struct gpio_pl061_pdata_t));
if(!pdat)
return NULL;
chip = malloc(sizeof(struct gpiochip_t));
if(!chip)
{
free(pdat);
return NULL;
}
pdat->virt = virt;
pdat->base = base;
pdat->ngpio = ngpio;
pdat->oirq = dt_read_int(n, "interrupt-offset", -1);
chip->name = alloc_device_name(dt_read_name(n), -1);
chip->base = pdat->base;
chip->ngpio = pdat->ngpio;
chip->set_cfg = gpio_pl061_set_cfg;
chip->get_cfg = gpio_pl061_get_cfg;
chip->set_pull = gpio_pl061_set_pull;
chip->get_pull = gpio_pl061_get_pull;
chip->set_drv = gpio_pl061_set_drv;
chip->get_drv = gpio_pl061_get_drv;
chip->set_rate = gpio_pl061_set_rate;
chip->get_rate = gpio_pl061_get_rate;
chip->set_dir = gpio_pl061_set_dir;
chip->get_dir = gpio_pl061_get_dir;
chip->set_value = gpio_pl061_set_value;
chip->get_value = gpio_pl061_get_value;
chip->to_irq = gpio_pl061_to_irq;
chip->priv = pdat;
if(!register_gpiochip(&dev, chip))
{
free_device_name(chip->name);
free(chip->priv);
free(chip);
return NULL;
}
dev->driver = drv;
return dev;
}
static struct device_t * fb_rk3288_probe(struct driver_t * drv, struct dtnode_t * n)
{
struct fb_rk3288_pdata_t * pdat;
struct fb_t * fb;
struct device_t * dev;
virtual_addr_t virt = phys_to_virt(dt_read_address(n));
char * clk = dt_read_string(n, "clock-name", NULL);
if(!search_clk(clk))
return NULL;
pdat = malloc(sizeof(struct fb_rk3288_pdata_t));
if(!pdat)
return NULL;
fb = malloc(sizeof(struct fb_t));
if(!fb)
{
free(pdat);
return NULL;
}
pdat->virtvop = virt;
pdat->virtgrf = phys_to_virt(RK3288_GRF_BASE);
pdat->virtlvds = phys_to_virt(RK3288_LVDS_BASE);
pdat->lcd_avdd_3v3 = strdup(dt_read_string(n, "regulator-lcd-avdd-3v3", NULL));
pdat->lcd_avdd_1v8 = strdup(dt_read_string(n, "regulator-lcd-avdd-1v8", NULL));
pdat->lcd_avdd_1v0 = strdup(dt_read_string(n, "regulator-lcd-avdd-1v0", NULL));
pdat->clk = strdup(clk);
pdat->width = dt_read_int(n, "width", 1024);
pdat->height = dt_read_int(n, "height", 600);
pdat->xdpi = dt_read_int(n, "dots-per-inch-x", 160);
pdat->ydpi = dt_read_int(n, "dots-per-inch-y", 160);
pdat->bits_per_pixel = dt_read_int(n, "bits-per-pixel", 32);
pdat->bytes_per_pixel = dt_read_int(n, "bytes-per-pixel", 4);
pdat->index = 0;
pdat->vram[0] = dma_alloc_noncoherent(pdat->width * pdat->height * pdat->bytes_per_pixel);
pdat->vram[1] = dma_alloc_noncoherent(pdat->width * pdat->height * pdat->bytes_per_pixel);
pdat->interface = RK3288_VOP_INTERFACE_RGB_LVDS;
pdat->output = RK3288_LVDS_OUTPUT_RGB;
pdat->format = RK3288_LVDS_FORMAT_JEIDA;
pdat->mode.mirrorx = 0;
pdat->mode.mirrory = 0;
pdat->mode.swaprg = 0;
pdat->mode.swaprb = 0;
pdat->mode.swapbg = 0;
pdat->timing.pixel_clock_hz = dt_read_long(n, "clock-frequency", 52000000);
pdat->timing.h_front_porch = dt_read_int(n, "hfront-porch", 1);
pdat->timing.h_back_porch = dt_read_int(n, "hback-porch", 1);
pdat->timing.h_sync_len = dt_read_int(n, "hsync-len", 1);
pdat->timing.v_front_porch = dt_read_int(n, "vfront-porch", 1);
pdat->timing.v_back_porch = dt_read_int(n, "vback-porch", 1);
pdat->timing.v_sync_len = dt_read_int(n, "vsync-len", 1);
pdat->timing.h_sync_active = dt_read_bool(n, "hsync-active", 0);
pdat->timing.v_sync_active = dt_read_bool(n, "vsync-active", 0);
pdat->timing.den_active = dt_read_bool(n, "den-active", 0);
pdat->timing.clk_active = dt_read_bool(n, "clk-active", 0);
pdat->backlight = search_led(dt_read_string(n, "backlight", NULL));
fb->name = alloc_device_name(dt_read_name(n), -1);
fb->width = pdat->width;
fb->height = pdat->height;
fb->xdpi = pdat->xdpi;
fb->ydpi = pdat->ydpi;
fb->bpp = pdat->bits_per_pixel;
fb->setbl = fb_setbl,
fb->getbl = fb_getbl,
fb->create = fb_create,
fb->destroy = fb_destroy,
fb->present = fb_present,
fb->priv = pdat;
regulator_set_voltage(pdat->lcd_avdd_3v3, 3300000);
regulator_enable(pdat->lcd_avdd_3v3);
regulator_set_voltage(pdat->lcd_avdd_1v8, 1800000);
regulator_enable(pdat->lcd_avdd_1v8);
regulator_set_voltage(pdat->lcd_avdd_1v0, 1000000);
regulator_enable(pdat->lcd_avdd_1v0);
clk_enable(pdat->clk);
rk3288_fb_init(pdat);
if(!register_fb(&dev, fb))
{
regulator_disable(pdat->lcd_avdd_3v3);
free(pdat->lcd_avdd_3v3);
regulator_disable(pdat->lcd_avdd_1v8);
free(pdat->lcd_avdd_1v8);
regulator_disable(pdat->lcd_avdd_1v0);
free(pdat->lcd_avdd_1v0);
clk_disable(pdat->clk);
free(pdat->clk);
dma_free_noncoherent(pdat->vram[0]);
dma_free_noncoherent(pdat->vram[1]);
free_device_name(fb->name);
free(fb->priv);
free(fb);
return NULL;
}
dev->driver = drv;
return dev;
}
