Воскресенье, 16 февраля 2014, 18:56 +08:00 от Shawn Guo <[email protected]>: > On Sun, Feb 16, 2014 at 04:38:44PM +0800, Shawn Guo wrote: > > @@ -56,6 +59,55 @@ static const struct of_device_id weim_id_table[] = { > > }; > > MODULE_DEVICE_TABLE(of, weim_id_table); > > > > +static int __init imx6q_weim_gpr_setup(struct platform_device *pdev) > > +{ > > + struct device_node *np = pdev->dev.of_node; > > + struct property *prop; > > + const __be32 *p; > > + struct regmap *gpr; > > + u32 gprvals[4] = { > > + 05, /* CS0(128M) CS1(0M) CS2(0M) CS3(0M) */ > > + 033, /* CS0(64M) CS1(64M) CS2(0M) CS3(0M) */ > > + 0113, /* CS0(64M) CS1(32M) CS2(32M) CS3(0M) */ > > + 01111, /* CS0(64M) CS1(32M) CS2(32M) CS3(0M) */ > > + }; > > + u32 gprval = 0; > > + u32 val; > > + int cs = 0; > > + int i = 0; > > + > > + gpr = syscon_regmap_lookup_by_compatible("fsl,imx6q-iomuxc-gpr"); > > When trying to improve the bindings doc imx-weim.txt, I checked hardware > manuals and found that SoCs imx50, imx53, imx6q, imx6dl and imx6sl all > need the same CS GPR setup. It's inappropriate to look up by hard-coded > compatible "fsl,imx6q-iomuxc-gpr" then. So I'm going to add the > property fsl,weim-cs-gpr back, and update bindings doc accordingly.
You can add additional call into struct imx_weim_devtype for handle soc-specific stuff. ---
