在 2017-04-24 16:51，Maxime Ripard 写道：
Hi,
On Sun, Apr 23, 2017 at 06:37:45PM +0800, Icenowy Zheng wrote:
+static const struct of_device_id sunxi_de2_clk_ids[] = {
+ {
+ .compatible = "allwinner,sun8i-a83t-de2-clk",
+ .data = &sun8i_a83t_de2_clk_desc,
+ },
+ {
+ .compatible = "allwinner,sun50i-h5-de2-clk",
+ .data = &sun50i_a64_de2_clk_desc,
+ },
+ /*
+ * The Allwinner A64 SoC needs some bit to be poke in syscon to make
+ * DE2 really working.
+ * So there's currently no A64 compatible here.
+ * H5 shares the same reset line with A64, so here H5 is using the
+ * clock description of A64.
+ */
+ { }
+};
So that A64 driver would require more than just what you defined in
the binding in order to operate?
Yes. When trying to do A64 driver, I will send out first a patch to
add the needed binding bit.
Maxime
--
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
