diff options
Diffstat (limited to '0015-mfd-intel-lpss-Pass-HSUART-configuration-via-propert.patch')
| -rw-r--r-- | 0015-mfd-intel-lpss-Pass-HSUART-configuration-via-propert.patch | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/0015-mfd-intel-lpss-Pass-HSUART-configuration-via-propert.patch b/0015-mfd-intel-lpss-Pass-HSUART-configuration-via-propert.patch new file mode 100644 index 000000000..5b3c2753e --- /dev/null +++ b/0015-mfd-intel-lpss-Pass-HSUART-configuration-via-propert.patch @@ -0,0 +1,55 @@ +From ec14c5395dfbc1d40a49c9f19d2bfde6739d89d5 Mon Sep 17 00:00:00 2001 +From: Andy Shevchenko <andriy.shevchenko@linux.intel.com> +Date: Mon, 30 Nov 2015 17:11:43 +0200 +Subject: [PATCH 15/16] mfd: intel-lpss: Pass HSUART configuration via + properties + +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> +Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@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 = { +-- +2.5.0 + |