static int board_dp_fill_gpios(const void *blob)
{
int np, ret, rev;
np = fdtdec_next_compatible(blob, 0, COMPAT_NXP_PTN3460);
if (np < 0) {
debug("%s: Could not find COMPAT_NXP_PTN3460 (%d)\n", __func__,
ret);
return np;
}
ret = fdtdec_decode_gpio(blob, np, "powerdown-gpio", &local.dp_pd);
if (ret) {
debug("%s: Could not decode powerdown-gpio (%d)\n", __func__,
ret);
return ret;
}
ret = fdtdec_decode_gpio(blob, np, "reset-gpio", &local.dp_rst);
if (ret) {
debug("%s: Could not decode reset-gpio (%d)\n", __func__, ret);
return ret;
}
ret = fdtdec_decode_gpio(blob, np, "hotplug-gpio", &local.dp_hpd);
if (ret) {
debug("%s: Could not decode hotplug (%d)\n", __func__, ret);
return ret;
}
/* If board is older, replace pd gpio with rst gpio */
rev = board_get_revision();
if (rev >= 4 && rev != 6) {
local.dp_pd = local.dp_rst;
local.dp_rst.gpio = FDT_GPIO_NONE;
}
return 0;
}
int checkboard(void)
{
#ifdef CONFIG_OF_CONTROL
const char *board_name;
board_name = fdt_getprop(gd->fdt_blob, 0, "model", NULL);
printf("\nBoard: %s, rev %d\n", board_name ? board_name : "<unknown>",
board_get_revision());
#else
printf("\nBoard: SMDK5250\n");
#endif
return 0;
}
/**
* Fix-up the kernel device tree so the bridge pd_n and rst_n gpios accurately
* reflect the current board rev.
*/
static void ft_board_setup_gpios(void *blob, bd_t *bd)
{
int ret, rev, np, len;
const struct fdt_property *prop;
/* Do nothing for newer boards */
rev = board_get_revision();
if (rev < 4 || rev == 6)
return;
/*
* If this is an older board, replace powerdown-gpio contents with that
* of reset-gpio and delete reset-gpio from the dt.
*/
np = fdtdec_next_compatible(blob, 0, COMPAT_NXP_PTN3460);
if (np < 0) {
debug("%s: Could not find COMPAT_NXP_PTN3460\n", __func__);
return;
}
prop = fdt_get_property(blob, np, "reset-gpio", &len);
if (!prop) {
debug("%s: Could not get property err=%d\n", __func__, len);
return;
}
ret = fdt_setprop_inplace(blob, np, "powerdown-gpio", prop->data,
len);
if (ret) {
debug("%s: Could not setprop inplace err=%d\n", __func__, ret);
return;
}
ret = fdt_delprop(blob, np, "reset-gpio");
if (ret) {
debug("%s: Could not delprop err=%d\n", __func__, ret);
return;
}
}
/*
* ip7160rgw_init
* Called to add the devices which we have on this board
*/
static int __init ip7160rgw_init(void)
{
board_init();
/*
* Rev 1.2 boards have spi in a different place than 1.1/1.0
*/
if (strcmp(board_get_revision(), "1.2") == 0) {
ip7160rgw_spi_gpio_data.pin_mosi = GPIO_RD_7;
}
ubi_gpio_init();
/*
* Reserve switch SPI CS on behalf on switch driver
*/
if (gpio_request(ip7160rgw_bcm539x_controller_data.pin_cs, "switch-bcm539x-cs")) {
printk(KERN_WARNING "Could not request cs of switch SPI I/F\n");
return -EIO;
}
gpio_direction_output(ip7160rgw_bcm539x_controller_data.pin_cs, 1);
printk(KERN_INFO "%s: registering device resources\n", __FUNCTION__);
platform_add_devices(ip7160rgw_devices, ARRAY_SIZE(ip7160rgw_devices));
printk(KERN_INFO "%s: registering SPI resources\n", __FUNCTION__);
spi_register_board_info(ip7160rgw_spi_board_info, ARRAY_SIZE(ip7160rgw_spi_board_info));
#ifdef CONFIG_IP7160RGWLCD
printk(KERN_INFO "%s: registering i2c resources\n", __FUNCTION__);
i2c_register_board_info(0, ip7160rgwlcd_i2c_board_info, ARRAY_SIZE(ip7160rgwlcd_i2c_board_info));
printk(KERN_INFO "IP7160 RGW + LCD\n");
#else
printk(KERN_INFO "IP7160 RGW\n");
#endif
return 0;
}
/**
* Fix-up the kernel device tree so the powered-while-resumed is added to MP
* device tree.
*/
static void ft_board_setup_tpm_resume(void *blob, bd_t *bd)
{
const char kernel_tpm_compat[] = "infineon,slb9635tt";
const char prop_name[] = "powered-while-suspended";
int err, node, rev;
/* Only apply fixup to MP machine */
rev = board_get_revision();
if (!(rev == 0 || rev == 3))
return;
node = fdt_node_offset_by_compatible(blob, 0, kernel_tpm_compat);
if (node < 0) {
debug("%s: fail to find %s: %d\n", __func__,
kernel_tpm_compat, node);
return;
}
err = fdt_setprop(blob, node, prop_name, NULL, 0);
if (err) {
debug("%s: fail to setprop: %d\n", __func__, err);
return;
}
}