From: Carlo Caione <carlo@xxxxxxxxxxxx>
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@xxxxxxxxxxxx>
---
.../arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts | 13 +++++++
arch/arm64/boot/dts/amlogic/meson-gxbb-p20x.dtsi | 2 ++
.../boot/dts/amlogic/meson-gxbb-vega-s95.dtsi | 3 ++
arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi | 41 ++++++++++++++++++++++
4 files changed, 59 insertions(+)
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
--- 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
--- 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
--- 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
--- 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 {
--
2.7.4
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