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| author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2023-09-26 21:08:34 +0200 |
|---|---|---|
| committer | Lee Jones <lee@kernel.org> | 2023-11-01 11:02:13 +0100 |
| commit | b4e40505f90a9936e7dd2dd0b98a1af97d8941f0 (patch) | |
| tree | cd91adf4f13e5757a1746cc89e4e50f352eb6c30 /drivers/mfd | |
| parent | mfd: lpc_ich: Move APL GPIO resources to a custom structure (diff) | |
| download | linux-b4e40505f90a9936e7dd2dd0b98a1af97d8941f0.tar.xz linux-b4e40505f90a9936e7dd2dd0b98a1af97d8941f0.zip | |
mfd: lpc_ich: Add a platform device for pinctrl Denverton
This is to cater the need in non-ACPI system whereby a platform device
has to be created in order to bind with the Denverton pinctrl driver.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20230926190834.932233-4-andriy.shevchenko@linux.intel.com
Signed-off-by: Lee Jones <lee@kernel.org>
Diffstat (limited to 'drivers/mfd')
| -rw-r--r-- | drivers/mfd/lpc_ich.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/drivers/mfd/lpc_ich.c b/drivers/mfd/lpc_ich.c index 8b21d0f629c8..ea5f01e07daf 100644 --- a/drivers/mfd/lpc_ich.c +++ b/drivers/mfd/lpc_ich.c @@ -226,6 +226,49 @@ static const struct lpc_ich_gpio_info apl_gpio_info = { .offsets = apl_gpio_offsets, }; +#define DNV_GPIO_NORTH 0 +#define DNV_GPIO_SOUTH 1 + +#define DNV_GPIO_NR_DEVICES 1 +#define DNV_GPIO_NR_RESOURCES 2 + +/* Offset data for Denverton GPIO controllers */ +static resource_size_t dnv_gpio_offsets[DNV_GPIO_NR_RESOURCES] = { + [DNV_GPIO_NORTH] = 0xc20000, + [DNV_GPIO_SOUTH] = 0xc50000, +}; + +#define DNV_GPIO_IRQ 14 + +static struct resource dnv_gpio_resources[DNV_GPIO_NR_RESOURCES + 1] = { + [DNV_GPIO_NORTH] = DEFINE_RES_MEM(0, 0), + [DNV_GPIO_SOUTH] = DEFINE_RES_MEM(0, 0), + DEFINE_RES_IRQ(DNV_GPIO_IRQ), +}; + +static struct resource *dnv_gpio_mem_resources[DNV_GPIO_NR_RESOURCES] = { + [DNV_GPIO_NORTH] = &dnv_gpio_resources[DNV_GPIO_NORTH], + [DNV_GPIO_SOUTH] = &dnv_gpio_resources[DNV_GPIO_SOUTH], +}; + +static const struct mfd_cell dnv_gpio_devices[DNV_GPIO_NR_DEVICES] = { + { + .name = "denverton-pinctrl", + .num_resources = ARRAY_SIZE(dnv_gpio_resources), + .resources = dnv_gpio_resources, + .ignore_resource_conflicts = true, + }, +}; + +static const struct lpc_ich_gpio_info dnv_gpio_info = { + .hid = "INTC3000", + .devices = dnv_gpio_devices, + .nr_devices = ARRAY_SIZE(dnv_gpio_devices), + .resources = dnv_gpio_mem_resources, + .nr_resources = ARRAY_SIZE(dnv_gpio_mem_resources), + .offsets = dnv_gpio_offsets, +}; + static struct mfd_cell lpc_ich_spi_cell = { .name = "intel-spi", .num_resources = ARRAY_SIZE(intel_spi_res), @@ -303,6 +346,7 @@ enum lpc_chipsets { LPC_LEWISBURG, /* Lewisburg */ LPC_9S, /* 9 Series */ LPC_APL, /* Apollo Lake SoC */ + LPC_DNV, /* Denverton SoC */ LPC_GLK, /* Gemini Lake SoC */ LPC_COUGARMOUNTAIN,/* Cougar Mountain SoC*/ }; @@ -648,6 +692,10 @@ static struct lpc_ich_info lpc_chipset_info[] = { .gpio_info = &apl_gpio_info, .spi_type = INTEL_SPI_BXT, }, + [LPC_DNV] = { + .name = "Denverton SoC", + .gpio_info = &dnv_gpio_info, + }, [LPC_GLK] = { .name = "Gemini Lake SoC", .spi_type = INTEL_SPI_BXT, @@ -666,6 +714,7 @@ static struct lpc_ich_info lpc_chipset_info[] = { */ static const struct pci_device_id lpc_ich_ids[] = { { PCI_VDEVICE(INTEL, 0x0f1c), LPC_BAYTRAIL}, + { PCI_VDEVICE(INTEL, 0x19dc), LPC_DNV}, { PCI_VDEVICE(INTEL, 0x1c41), LPC_CPT}, { PCI_VDEVICE(INTEL, 0x1c42), LPC_CPTD}, { PCI_VDEVICE(INTEL, 0x1c43), LPC_CPTM}, |