ARM: dts: BCM5301X: Describe Northstar pins mux controller
authorRafał Miłecki <rafal@milecki.pl>
Fri, 9 Nov 2018 08:56:49 +0000 (09:56 +0100)
committerFlorian Fainelli <f.fainelli@gmail.com>
Fri, 30 Nov 2018 18:35:02 +0000 (10:35 -0800)
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>
arch/arm/boot/dts/bcm5301x.dtsi

index 7a5c188..fd7af94 100644 (file)
@@ -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";
                };
        };
                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";