ARM: sun4i: dt: Add pin muxing options for SPI

These are based on the available SPI configurations of Cubieboard,
Olimex LIME, and PcDuino. There is no pin group for SPI3, as all the
boards seem to use those pins for EMAC.

Signed-off-by: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

diff --git a/arch/arm/boot/dts/sun4i-a10.dtsi b/arch/arm/boot/dts/sun4i-a10.dtsi
index 3b25de8f5fce62930c92a2f2964b6de197068f05..b76c13fa89aa8212a0235f076e9efd7bf80cbfef 100644 (file)
--- a/arch/arm/boot/dts/sun4i-a10.dtsi
+++ b/arch/arm/boot/dts/sun4i-a10.dtsi
@@ -637,6 +637,34 @@
                                allwinner,drive = <0>;
                                allwinner,pull = <0>;
                        };
+
+                       spi0_pins_a: spi0@0 {
+                               allwinner,pins = "PI10", "PI11", "PI12", "PI13";
+                               allwinner,function = "spi0";
+                               allwinner,drive = <0>;
+                               allwinner,pull = <0>;
+                       };
+
+                       spi1_pins_a: spi1@0 {
+                               allwinner,pins = "PI16", "PI17", "PI18", "PI19";
+                               allwinner,function = "spi1";
+                               allwinner,drive = <0>;
+                               allwinner,pull = <0>;
+                       };
+
+                       spi2_pins_a: spi2@0 {
+                               allwinner,pins = "PB14", "PB15", "PB16", "PB17";
+                               allwinner,function = "spi2";
+                               allwinner,drive = <0>;
+                               allwinner,pull = <0>;
+                       };
+
+                       spi2_pins_b: spi2@1 {
+                               allwinner,pins = "PC19", "PC20", "PC21", "PC22";
+                               allwinner,function = "spi2";
+                               allwinner,drive = <0>;
+                               allwinner,pull = <0>;
+                       };
                };
 
                timer@01c20c00 {