drivers/mfd/vexpress-sysreg.c

1 // SPDX-License-Identifier: GPL-2.0-only
39 /* The sysreg block is just a random collection of various functions... */
43 	.base = -1,
49 	.base = -1,
55 	.base = -1,
61 		.name = "basic-mmio-gpio",
62 		.of_compatible = "arm,vexpress-sysreg,sys_led",
68 		.name = "basic-mmio-gpio",
69 		.of_compatible = "arm,vexpress-sysreg,sys_mci",
75 		.name = "basic-mmio-gpio",
76 		.of_compatible = "arm,vexpress-sysreg,sys_flash",
82 		.name = "vexpress-syscfg",
96 		return -EINVAL;  in vexpress_sysreg_probe()
98 	base = devm_ioremap(&pdev->dev, mem->start, resource_size(mem));  in vexpress_sysreg_probe()
100 		return -ENOMEM;  in vexpress_sysreg_probe()
103 	 * Duplicated SYS_MCI pseudo-GPIO controller for compatibility with  in vexpress_sysreg_probe()
104 	 * older trees using sysreg node for MMC control lines.  in vexpress_sysreg_probe()
106 	mmc_gpio_chip = devm_kzalloc(&pdev->dev, sizeof(*mmc_gpio_chip),  in vexpress_sysreg_probe()
109 		return -ENOMEM;  in vexpress_sysreg_probe()
110 	bgpio_init(mmc_gpio_chip, &pdev->dev, 0x4, base + SYS_MCI,  in vexpress_sysreg_probe()
112 	mmc_gpio_chip->ngpio = 2;  in vexpress_sysreg_probe()
113 	devm_gpiochip_add_data(&pdev->dev, mmc_gpio_chip, NULL);  in vexpress_sysreg_probe()
115 	return devm_mfd_add_devices(&pdev->dev, PLATFORM_DEVID_AUTO,  in vexpress_sysreg_probe()
121 	{ .compatible = "arm,vexpress-sysreg", },
128 		.name = "vexpress-sysreg",