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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>
This commit is contained in:
Carlo Caione 2016-05-02 10:02:18 +02:00 committed by Kevin Hilman
parent 551a626c9b
commit f40d437f55
4 changed files with 59 additions and 0 deletions
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13
arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts
View File

@ -45,6 +45,7 @@
/dts-v1/; /dts-v1/;
#include "meson-gxbb.dtsi" #include "meson-gxbb.dtsi"
#include <dt-bindings/gpio/gpio.h>
/ { / {
compatible = "hardkernel,odroid-c2", "amlogic,meson-gxbb"; compatible = "hardkernel,odroid-c2", "amlogic,meson-gxbb";
@ -62,8 +63,20 @@
device_type = "memory"; device_type = "memory";
reg = <0x0 0x0 0x0 0x80000000>; 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 { &uart_AO {
status = "okay"; status = "okay";
pinctrl-0 = <&uart_ao_a_pins>;
pinctrl-names = "default";
}; };

2
arch/arm64/boot/dts/amlogic/meson-gxbb-p20x.dtsi
View File

@ -62,4 +62,6 @@
/* This UART is brought out to the DB9 connector */ /* This UART is brought out to the DB9 connector */
&uart_AO { &uart_AO {
status = "okay"; status = "okay";
pinctrl-0 = <&uart_ao_a_pins>;
pinctrl-names = "default";
}; };

3
arch/arm64/boot/dts/amlogic/meson-gxbb-vega-s95.dtsi
View File

@ -56,4 +56,7 @@
&uart_AO { &uart_AO {
status = "okay"; status = "okay";
pinctrl-0 = <&uart_ao_a_pins>;
pinctrl-names = "default";
}; };

41
arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi
View File

@ -43,6 +43,7 @@
#include <dt-bindings/gpio/gpio.h> #include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/irq.h> #include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/interrupt-controller/arm-gic.h> #include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/gpio/meson-gxbb-gpio.h>
/ { / {
compatible = "amlogic,meson-gxbb"; compatible = "amlogic,meson-gxbb";
@ -158,6 +159,29 @@
#size-cells = <2>; #size-cells = <2>;
ranges = <0x0 0x0 0x0 0xc8100000 0x0 0x100000>; 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 { uart_AO: serial@4c0 {
compatible = "amlogic,meson-uart"; compatible = "amlogic,meson-uart";
reg = <0x0 0x004c0 0x0 0x14>; reg = <0x0 0x004c0 0x0 0x14>;
@ -173,6 +197,23 @@
#address-cells = <2>; #address-cells = <2>;
#size-cells = <2>; #size-cells = <2>;
ranges = <0x0 0x0 0x0 0xc8834000 0x0 0x2000>; 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 { hiubus: hiubus@c883c000 {