mips: bmips: add bcm63xx-spi driver support for BCM6358

This driver manages the 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,bcm6358.dtsi b/arch/mips/dts/brcm,bcm6358.dtsi
index 4f63cf8..1662783 100644 (file)
--- a/arch/mips/dts/brcm,bcm6358.dtsi
+++ b/arch/mips/dts/brcm,bcm6358.dtsi
@@ -12,6 +12,10 @@
 / {
        compatible = "brcm,bcm6358";
 
+       aliases {
+               spi0 = &spi;
+       };
+
        cpus {
                reg = <0xfffe0000 0x4>;
                #address-cells = <1>;
@@ -142,6 +146,19 @@
                        status = "disabled";
                };
 
+               spi: spi@fffe0800 {
+                       compatible = "brcm,bcm6358-spi";
+                       reg = <0xfffe0800 0x70c>;
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       clocks = <&periph_clk BCM6358_CLK_SPI>;
+                       resets = <&periph_rst BCM6358_RST_SPI>;
+                       spi-max-frequency = <20000000>;
+                       num-cs = <4>;
+
+                       status = "disabled";
+               };
+
                memory-controller@fffe1200 {
                        compatible = "brcm,bcm6358-mc";
                        reg = <0xfffe1200 0x4c>;