ARM64: dts: amlogic: Enable pin controller on GXBB-based platforms

Update DTS and DTSI files to enable the pin controller. We also now
support the blinking blue LED on the Odroid-C2.

Signed-off-by: Carlo Caione <carlo@endlessm.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>

diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts b/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts
index 7f2c674..41e1e66 100644 (file)
--- a/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts
@@ -45,6 +45,7 @@
 /dts-v1/;
 
 #include "meson-gxbb.dtsi"
+#include <dt-bindings/gpio/gpio.h>
 
 / {
        compatible = "hardkernel,odroid-c2", "amlogic,meson-gxbb";
@@ -62,8 +63,20 @@
                device_type = "memory";
                reg = <0x0 0x0 0x0 0x80000000>;
        };
+
+       leds {
+               compatible = "gpio-leds";
+               blue {
+                       label = "c2:blue:alive";
+                       gpios = <&gpio_ao GPIOAO_13 GPIO_ACTIVE_LOW>;
+                       linux,default-trigger = "heartbeat";
+                       default-state = "off";
+               };
+       };
 };
 
 &uart_AO {
        status = "okay";
+       pinctrl-0 = <&uart_ao_a_pins>;
+       pinctrl-names = "default";
 };

diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb-p20x.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxbb-p20x.dtsi
index bf7ff1d..22e6298 100644 (file)
--- a/arch/arm64/boot/dts/amlogic/meson-gxbb-p20x.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gxbb-p20x.dtsi
@@ -62,4 +62,6 @@
 /* This UART is brought out to the DB9 connector */
 &uart_AO {
        status = "okay";
+       pinctrl-0 = <&uart_ao_a_pins>;
+       pinctrl-names = "default";
 };

diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb-vega-s95.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxbb-vega-s95.dtsi
index 012cdcc..54bb7c7 100644 (file)
--- a/arch/arm64/boot/dts/amlogic/meson-gxbb-vega-s95.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gxbb-vega-s95.dtsi
@@ -56,4 +56,7 @@
 
 &uart_AO {
        status = "okay";
+       pinctrl-0 = <&uart_ao_a_pins>;
+       pinctrl-names = "default";
+
 };

diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi
index 3126f0c..6dd2768 100644 (file)
--- a/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi
@@ -43,6 +43,7 @@
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/interrupt-controller/irq.h>
 #include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/gpio/meson-gxbb-gpio.h>
 
 / {
        compatible = "amlogic,meson-gxbb";
@@ -158,6 +159,29 @@
                        #size-cells = <2>;
                        ranges = <0x0 0x0 0x0 0xc8100000 0x0 0x100000>;
 
+                       pinctrl_aobus: pinctrl@14 {
+                               compatible = "amlogic,meson-gxbb-aobus-pinctrl";
+                               #address-cells = <2>;
+                               #size-cells = <2>;
+                               ranges;
+
+                               gpio_ao: bank@14 {
+                                       reg = <0x0 0x00014 0x0 0x8>,
+                                             <0x0 0x0002c 0x0 0x4>,
+                                             <0x0 0x00024 0x0 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";
+                                       };
+                               };
+                       };
+
                        uart_AO: serial@4c0 {
                                compatible = "amlogic,meson-uart";
                                reg = <0x0 0x004c0 0x0 0x14>;
@@ -173,6 +197,23 @@
                        #address-cells = <2>;
                        #size-cells = <2>;
                        ranges = <0x0 0x0 0x0 0xc8834000 0x0 0x2000>;
+
+                       pinctrl_periphs: pinctrl@4b0 {
+                               compatible = "amlogic,meson-gxbb-periphs-pinctrl";
+                               #address-cells = <2>;
+                               #size-cells = <2>;
+                               ranges;
+
+                               gpio: bank@4b0 {
+                                       reg = <0x0 0x004b0 0x0 0x28>,
+                                             <0x0 0x004e8 0x0 0x14>,
+                                             <0x0 0x00120 0x0 0x14>,
+                                             <0x0 0x00430 0x0 0x40>;
+                                       reg-names = "mux", "pull", "pull-enable", "gpio";
+                                       gpio-controller;
+                                       #gpio-cells = <2>;
+                               };
+                       };
                };
 
                hiubus: hiubus@c883c000 {