From mboxrd@z Thu Jan 1 00:00:00 1970 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 Message-ID: <1448896304-87928-16-git-send-email-andriy.shevchenko@linux.intel.com> References: <1448896304-87928-1-git-send-email-andriy.shevchenko@linux.intel.com> Return-path: In-Reply-To: <1448896304-87928-1-git-send-email-andriy.shevchenko@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org To: "Rafael J . Wysocki" , Greg Kroah-Hartman , Jarkko Nikula , linux-i2c@vger.kernel.org, linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, Lee Jones , Mika Westerberg , Kevin Fenzi , Arnd Bergmann , Wolfram Sang Cc: Andy Shevchenko List-Id: linux-i2c@vger.kernel.org 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 Signed-off-by: Andy Shevchenko --- 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