示例#1
0
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;
}
示例#2
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;
}
示例#3
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;
	}
}
示例#4
0
/*
 * 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;
}
示例#5
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;
	}
}