diff options
Diffstat (limited to 'drivers/mfd/vexpress-sysreg.c')
-rw-r--r-- | drivers/mfd/vexpress-sysreg.c | 52 |
1 files changed, 33 insertions, 19 deletions
diff --git a/drivers/mfd/vexpress-sysreg.c b/drivers/mfd/vexpress-sysreg.c index ef03d6cec9ff..77245c1e5d7d 100644 --- a/drivers/mfd/vexpress-sysreg.c +++ b/drivers/mfd/vexpress-sysreg.c @@ -11,6 +11,7 @@ #include <linux/module.h> #include <linux/of_platform.h> #include <linux/platform_device.h> +#include <linux/property.h> #include <linux/slab.h> #include <linux/stat.h> @@ -37,22 +38,34 @@ /* The sysreg block is just a random collection of various functions... */ -static struct bgpio_pdata vexpress_sysreg_sys_led_pdata = { - .label = "sys_led", - .base = -1, - .ngpio = 8, +static const struct property_entry vexpress_sysreg_sys_led_props[] = { + PROPERTY_ENTRY_STRING("label", "sys_led"), + PROPERTY_ENTRY_U32("ngpios", 8), + { } }; -static struct bgpio_pdata vexpress_sysreg_sys_mci_pdata = { - .label = "sys_mci", - .base = -1, - .ngpio = 2, +static const struct software_node vexpress_sysreg_sys_led_swnode = { + .properties = vexpress_sysreg_sys_led_props, }; -static struct bgpio_pdata vexpress_sysreg_sys_flash_pdata = { - .label = "sys_flash", - .base = -1, - .ngpio = 1, +static const struct property_entry vexpress_sysreg_sys_mci_props[] = { + PROPERTY_ENTRY_STRING("label", "sys_mci"), + PROPERTY_ENTRY_U32("ngpios", 2), + { } +}; + +static const struct software_node vexpress_sysreg_sys_mci_swnode = { + .properties = vexpress_sysreg_sys_mci_props, +}; + +static const struct property_entry vexpress_sysreg_sys_flash_props[] = { + PROPERTY_ENTRY_STRING("label", "sys_flash"), + PROPERTY_ENTRY_U32("ngpios", 1), + { } +}; + +static const struct software_node vexpress_sysreg_sys_flash_swnode = { + .properties = vexpress_sysreg_sys_flash_props, }; static struct mfd_cell vexpress_sysreg_cells[] = { @@ -61,22 +74,19 @@ static struct mfd_cell vexpress_sysreg_cells[] = { .of_compatible = "arm,vexpress-sysreg,sys_led", .num_resources = 1, .resources = &DEFINE_RES_MEM_NAMED(SYS_LED, 0x4, "dat"), - .platform_data = &vexpress_sysreg_sys_led_pdata, - .pdata_size = sizeof(vexpress_sysreg_sys_led_pdata), + .swnode = &vexpress_sysreg_sys_led_swnode, }, { .name = "basic-mmio-gpio", .of_compatible = "arm,vexpress-sysreg,sys_mci", .num_resources = 1, .resources = &DEFINE_RES_MEM_NAMED(SYS_MCI, 0x4, "dat"), - .platform_data = &vexpress_sysreg_sys_mci_pdata, - .pdata_size = sizeof(vexpress_sysreg_sys_mci_pdata), + .swnode = &vexpress_sysreg_sys_mci_swnode, }, { .name = "basic-mmio-gpio", .of_compatible = "arm,vexpress-sysreg,sys_flash", .num_resources = 1, .resources = &DEFINE_RES_MEM_NAMED(SYS_FLASH, 0x4, "dat"), - .platform_data = &vexpress_sysreg_sys_flash_pdata, - .pdata_size = sizeof(vexpress_sysreg_sys_flash_pdata), + .swnode = &vexpress_sysreg_sys_flash_swnode, }, { .name = "vexpress-syscfg", .num_resources = 1, @@ -89,6 +99,7 @@ static int vexpress_sysreg_probe(struct platform_device *pdev) struct resource *mem; void __iomem *base; struct gpio_chip *mmc_gpio_chip; + int ret; mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!mem) @@ -109,7 +120,10 @@ static int vexpress_sysreg_probe(struct platform_device *pdev) bgpio_init(mmc_gpio_chip, &pdev->dev, 0x4, base + SYS_MCI, NULL, NULL, NULL, NULL, 0); mmc_gpio_chip->ngpio = 2; - devm_gpiochip_add_data(&pdev->dev, mmc_gpio_chip, NULL); + + ret = devm_gpiochip_add_data(&pdev->dev, mmc_gpio_chip, NULL); + if (ret) + return ret; return devm_mfd_add_devices(&pdev->dev, PLATFORM_DEVID_AUTO, vexpress_sysreg_cells, |