From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andy Shevchenko Date: Thu, 15 Nov 2018 19:58:51 +0200 Subject: [U-Boot] [PATCH v2 2/5] serial: ns16550: Read reg-io-width from device tree In-Reply-To: <20181115175854.7550-1-andriy.shevchenko@linux.intel.com> References: <20181115175854.7550-1-andriy.shevchenko@linux.intel.com> Message-ID: <20181115175854.7550-3-andriy.shevchenko@linux.intel.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de Cache the value of the reg-io-width property for the future use. Signed-off-by: Andy Shevchenko --- drivers/serial/ns16550.c | 1 + include/ns16550.h | 4 +++- 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/serial/ns16550.c b/drivers/serial/ns16550.c index f9041aa626..b51b56de9f 100644 --- a/drivers/serial/ns16550.c +++ b/drivers/serial/ns16550.c @@ -408,6 +408,7 @@ int ns16550_serial_ofdata_to_platdata(struct udevice *dev) plat->reg_offset = dev_read_u32_default(dev, "reg-offset", 0); plat->reg_shift = dev_read_u32_default(dev, "reg-shift", 0); + plat->reg_width = dev_read_u32_default(dev, "reg-io-width", 1); err = clk_get_by_index(dev, 0, &clk); if (!err) { diff --git a/include/ns16550.h b/include/ns16550.h index 5fcbcd2e74..22b89e4d6d 100644 --- a/include/ns16550.h +++ b/include/ns16550.h @@ -49,14 +49,16 @@ * struct ns16550_platdata - information about a NS16550 port * * @base: Base register address + * @reg_width: IO accesses size of registers (in bytes) * @reg_shift: Shift size of registers (0=byte, 1=16bit, 2=32bit...) * @clock: UART base clock speed in Hz */ struct ns16550_platdata { unsigned long base; + int reg_width; int reg_shift; - int clock; int reg_offset; + int clock; u32 fcr; }; -- 2.19.1