ARM: dts: BCM5301X: Describe Northstar pins mux controller

This describes hardware & will allow referencing pin functions. The
first usage is UART1 which allows supporting devices using it.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>

diff --git a/arch/arm/boot/dts/bcm5301x.dtsi b/arch/arm/boot/dts/bcm5301x.dtsi
index 7a5c188c2676a140aeb542750b25463b0c2d71b3..fd7af943fb0b566a41b6dbdcf5e54dec29b20d0d 100644 (file)
--- a/arch/arm/boot/dts/bcm5301x.dtsi
+++ b/arch/arm/boot/dts/bcm5301x.dtsi
@@ -37,6 +37,8 @@
                        reg = <0x0400 0x100>;
                        interrupts = <GIC_SPI 85 IRQ_TYPE_LEVEL_HIGH>;
                        clocks = <&iprocslow>;
+                       pinctrl-names = "default";
+                       pinctrl-0 = <&pinmux_uart1>;
                        status = "disabled";
                };
        };
@@ -391,6 +393,48 @@
                status = "disabled";
        };
 
+       dmu@1800c000 {
+               compatible = "simple-bus";
+               ranges = <0 0x1800c000 0x1000>;
+               #address-cells = <1>;
+               #size-cells = <1>;
+
+               cru@100 {
+                       compatible = "simple-bus";
+                       reg = <0x100 0x1a4>;
+                       ranges;
+                       #address-cells = <1>;
+                       #size-cells = <1>;
+
+                       pin-controller@1c0 {
+                               compatible = "brcm,bcm4708-pinmux";
+                               reg = <0x1c0 0x24>;
+                               reg-names = "cru_gpio_control";
+
+                               spi-pins {
+                                       groups = "spi_grp";
+                                       function = "spi";
+                               };
+
+                               i2c {
+                                       groups = "i2c_grp";
+                                       function = "i2c";
+                               };
+
+                               pwm {
+                                       groups = "pwm0_grp", "pwm1_grp",
+                                                "pwm2_grp", "pwm3_grp";
+                                       function = "pwm";
+                               };
+
+                               pinmux_uart1: uart1 {
+                                       groups = "uart1_grp";
+                                       function = "uart1";
+                               };
+                       };
+               };
+       };
+
        lcpll0: lcpll0@1800c100 {
                #clock-cells = <1>;
                compatible = "brcm,nsp-lcpll0";