Messages in this thread Patch in this message | | | From | Andy Shevchenko <> | Subject | [PATCH v2 15/16] mfd: intel-lpss: Pass HSUART configuration via properties | Date | Mon, 30 Nov 2015 17:11:43 +0200 |
| |
The HS-UART host controller driver needs to know certain properties like width of the register set if it cannot get that information from ACPI or DT. In order to support non-ACPI systems we pass this information to the driver via device properties.
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> --- drivers/mfd/intel-lpss-pci.c | 13 +++++++++++++ 1 file changed, 13 insertions(+)
diff --git a/drivers/mfd/intel-lpss-pci.c b/drivers/mfd/intel-lpss-pci.c index a677480..a7136c7 100644 --- a/drivers/mfd/intel-lpss-pci.c +++ b/drivers/mfd/intel-lpss-pci.c @@ -80,9 +80,21 @@ static const struct intel_lpss_platform_info spt_i2c_info = { .pset = &spt_i2c_pset, }; +static struct property_entry uart_properties[] = { + PROPERTY_ENTRY_U32("reg-io-width", 4), + PROPERTY_ENTRY_U32("reg-shift", 2), + PROPERTY_ENTRY_BOOL("snps,uart-16550-compatible"), + { }, +}; + +static struct property_set uart_pset = { + .properties = uart_properties, +}; + static const struct intel_lpss_platform_info spt_uart_info = { .clk_rate = 120000000, .clk_con_id = "baudclk", + .pset = &uart_pset, }; static const struct intel_lpss_platform_info bxt_info = { @@ -92,6 +104,7 @@ static const struct intel_lpss_platform_info bxt_info = { static const struct intel_lpss_platform_info bxt_uart_info = { .clk_rate = 100000000, .clk_con_id = "baudclk", + .pset = &uart_pset, }; static const struct intel_lpss_platform_info bxt_i2c_info = { -- 2.6.2
| |