ARM: dts: meson8: add pinctrl node

Add pinctrl node to the DTSI file for meson8 and sub-nodes for some
standard mux configurations.

Signed-off-by: Beniamino Galvani <b.galvani@gmail.com>
Signed-off-by: Carlo Caione <carlo@endlessm.com>

diff --git a/arch/arm/boot/dts/meson8.dtsi b/arch/arm/boot/dts/meson8.dtsi
index 1f442a7..a2ddcb8 100644 (file)
--- a/arch/arm/boot/dts/meson8.dtsi
+++ b/arch/arm/boot/dts/meson8.dtsi
@@ -43,6 +43,7 @@
  *     OTHER DEALINGS IN THE SOFTWARE.
  */
 
+#include <dt-bindings/gpio/meson8-gpio.h>
 /include/ "meson.dtsi"
 
 / {
@@ -89,4 +90,71 @@
                compatible = "fixed-clock";
                clock-frequency = <141666666>;
        };
+
+       pinctrl: pinctrl@c1109880 {
+               compatible = "amlogic,meson8-pinctrl";
+               reg = <0xc1109880 0x10>;
+               #address-cells = <1>;
+               #size-cells = <1>;
+               ranges;
+
+               gpio: banks@c11080b0 {
+                       reg = <0xc11080b0 0x28>,
+                             <0xc11080e8 0x18>,
+                             <0xc1108120 0x18>,
+                             <0xc1108030 0x30>;
+                       reg-names = "mux", "pull", "pull-enable", "gpio";
+                       gpio-controller;
+                       #gpio-cells = <2>;
+               };
+
+               gpio_ao: ao-bank@c1108030 {
+                       reg = <0xc8100014 0x4>,
+                             <0xc810002c 0x4>,
+                             <0xc8100024 0x8>;
+                       reg-names = "mux", "pull", "gpio";
+                       gpio-controller;
+                       #gpio-cells = <2>;
+               };
+
+               uart_ao_a_pins: uart_ao_a {
+                       mux {
+                               groups = "uart_tx_ao_a", "uart_rx_ao_a";
+                               function = "uart_ao";
+                       };
+               };
+
+               i2c_ao_pins: i2c_mst_ao {
+                       mux {
+                               groups = "i2c_mst_sck_ao", "i2c_mst_sda_ao";
+                               function = "i2c_mst_ao";
+                       };
+               };
+
+               spi_nor_pins: nor {
+                       mux {
+                               groups = "nor_d", "nor_q", "nor_c", "nor_cs";
+                               function = "nor";
+                       };
+               };
+
+               ir_recv_pins: remote {
+                       mux {
+                               groups = "remote_input";
+                               function = "remote";
+                       };
+               };
+
+               eth_pins: ethernet {
+                       mux {
+                               groups = "eth_tx_clk_50m", "eth_tx_en",
+                                        "eth_txd1", "eth_txd0",
+                                        "eth_rx_clk_in", "eth_rx_dv",
+                                        "eth_rxd1", "eth_rxd0", "eth_mdio",
+                                        "eth_mdc";
+                               function = "ethernet";
+                       };
+               };
+       };
+
 }; /* end of / */