mips: bmips: add bcm63xx-spi driver support for BCM63268

This driver manages the low speed SPI controller present on this SoC.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
Reviewed-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Reviewed-by: Jagan Teki <jagan@openedev.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

diff --git a/arch/mips/dts/brcm,bcm63268.dtsi b/arch/mips/dts/brcm,bcm63268.dtsi
index 113a96b..6e3d9c3 100644 (file)
--- a/arch/mips/dts/brcm,bcm63268.dtsi
+++ b/arch/mips/dts/brcm,bcm63268.dtsi
@@ -13,6 +13,10 @@
 / {
        compatible = "brcm,bcm63268";
 
+       aliases {
+               spi0 = &lsspi;
+       };
+
        cpus {
                reg = <0x10000000 0x4>;
                #address-cells = <1>;
@@ -136,6 +140,19 @@
                        #power-domain-cells = <1>;
                };
 
+               lsspi: spi@10000800 {
+                       compatible = "brcm,bcm6358-spi";
+                       reg = <0x10000800 0x70c>;
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       clocks = <&periph_clk BCM63268_CLK_SPI>;
+                       resets = <&periph_rst BCM63268_RST_SPI>;
+                       spi-max-frequency = <20000000>;
+                       num-cs = <8>;
+
+                       status = "disabled";
+               };
+
                leds: led-controller@10001900 {
                        compatible = "brcm,bcm6328-leds";
                        reg = <0x10001900 0x24>;