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led: bcm6328: convert to use live dt

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Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
This commit is contained in:
Álvaro Fernández Rojas 2018-03-22 19:39:34 +01:00 committed by Daniel Schwierzeck
parent a15c16f923
commit 8994551760
1 changed files with 17 additions and 35 deletions
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52
drivers/led/led_bcm6328.c
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@ -37,8 +37,6 @@
#define LED_MODE_OFF 3
#define LED_MODE_MASK 0x3
DECLARE_GLOBAL_DATA_PTR;
struct bcm6328_led_priv {
void __iomem *regs;
void __iomem *mode;
@ -149,34 +147,25 @@ static const struct led_ops bcm6328_led_ops = {
static int bcm6328_led_probe(struct udevice *dev)
{
struct led_uc_plat *uc_plat = dev_get_uclass_platdata(dev);
fdt_addr_t addr;
fdt_size_t size;
/* Top-level LED node */
if (!uc_plat->label) {
void __iomem *regs;
u32 set_bits = 0;
addr = devfdt_get_addr_size_index(dev, 0, &size);
if (addr == FDT_ADDR_T_NONE)
regs = dev_remap_addr(dev);
if (!regs)
return -EINVAL;
regs = ioremap(addr, size);
if (fdtdec_get_bool(gd->fdt_blob, dev_of_offset(dev),
"brcm,serial-leds"))
if (dev_read_bool(dev, "brcm,serial-leds"))
set_bits |= LED_INIT_SLEDEN_MASK;
if (fdtdec_get_bool(gd->fdt_blob, dev_of_offset(dev),
"brcm,serial-mux"))
if (dev_read_bool(dev, "brcm,serial-mux"))
set_bits |= LED_INIT_SLEDMUX_MASK;
if (fdtdec_get_bool(gd->fdt_blob, dev_of_offset(dev),
"brcm,serial-clk-low"))
if (dev_read_bool(dev, "brcm,serial-clk-low"))
set_bits |= LED_INIT_SLEDCLKNPOL_MASK;
if (!fdtdec_get_bool(gd->fdt_blob, dev_of_offset(dev),
"brcm,serial-dat-low"))
if (!dev_read_bool(dev, "brcm,serial-dat-low"))
set_bits |= LED_INIT_SLEDDATANPOL_MASK;
if (!fdtdec_get_bool(gd->fdt_blob, dev_of_offset(dev),
"brcm,serial-shift-inv"))
if (!dev_read_bool(dev, "brcm,serial-shift-inv"))
set_bits |= LED_INIT_SLEDSHIFTDIR_MASK;
clrsetbits_be32(regs + LED_INIT_REG, ~0, set_bits);
@ -184,17 +173,14 @@ static int bcm6328_led_probe(struct udevice *dev)
struct bcm6328_led_priv *priv = dev_get_priv(dev);
unsigned int pin;
addr = devfdt_get_addr_size_index(dev_get_parent(dev), 0,
&size);
if (addr == FDT_ADDR_T_NONE)
priv->regs = dev_remap_addr(dev);
if (!priv->regs)
return -EINVAL;
pin = fdtdec_get_uint(gd->fdt_blob, dev_of_offset(dev), "reg",
LEDS_MAX);
pin = dev_read_u32_default(dev, "reg", LEDS_MAX);
if (pin >= LEDS_MAX)
return -EINVAL;
priv->regs = ioremap(addr, size);
if (pin < 8) {
/* LEDs 0-7 (bits 47:32) */
priv->mode = priv->regs + LED_MODE_REG_HI;
@ -205,8 +191,7 @@ static int bcm6328_led_probe(struct udevice *dev)
priv->shift = ((pin - 8) << 1);
}
if (fdtdec_get_bool(gd->fdt_blob, dev_of_offset(dev),
"active-low"))
if (dev_read_bool(dev, "active-low"))
priv->active_low = true;
}
@ -215,27 +200,24 @@ static int bcm6328_led_probe(struct udevice *dev)
static int bcm6328_led_bind(struct udevice *parent)
{
const void *blob = gd->fdt_blob;
int node;
ofnode node;
for (node = fdt_first_subnode(blob, dev_of_offset(parent));
node > 0;
node = fdt_next_subnode(blob, node)) {
dev_for_each_subnode(node, parent) {
struct led_uc_plat *uc_plat;
struct udevice *dev;
const char *label;
int ret;
label = fdt_getprop(blob, node, "label", NULL);
label = ofnode_read_string(node, "label");
if (!label) {
debug("%s: node %s has no label\n", __func__,
fdt_get_name(blob, node, NULL));
ofnode_get_name(node));
return -EINVAL;
}
ret = device_bind_driver_to_node(parent, "bcm6328-led",
fdt_get_name(blob, node, NULL),
offset_to_ofnode(node), &dev);
ofnode_get_name(node),
node, &dev);
if (ret)
return ret;