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Miscellaneous DT support updates for DA850. Includes Lego mindstorms 

EV3 battery support, DMA support for MUSB, and non-critical fixes to
 GPIO nodes of DA850's GPIO controller and GPIO expander available on
 DA850 EVM.
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Merge tag 'davinci-for-v4.13/dt' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci into next/dt

Miscellaneous DT support updates for DA850. Includes Lego mindstorms
EV3 battery support, DMA support for MUSB, and non-critical fixes to
GPIO nodes of DA850's GPIO controller and GPIO expander available on
DA850 EVM.

* tag 'davinci-for-v4.13/dt' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci:
  ARM: dts: da850-evm: fix tca6416 for use with GPIO hogs
  ARM: dts: da850: Add interrupt-controller property to gpio node
  ARM: dts: da850: Add CPPI 4.1 DMA to USB OTG controller
  ARM: dts: da850-lego-ev3: Add node for LEGO MINDSTORMS EV3 Battery

Signed-off-by: Olof Johansson <olof@lixom.net>
This commit is contained in:
Olof Johansson 2017-06-18 19:05:14 -07:00
parent fe6d7199fc 65878b126c
commit 23aaaf8d9f
3 changed files with 58 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/arm/boot/dts/da850-evm.dts
View File

@ -82,6 +82,8 @@ tlv320aic3106: tlv320aic3106@18 {
tca6416: gpio@20 {
compatible = "ti,tca6416";
reg = <0x20>;
gpio-controller;
#gpio-cells = <2>;
};
};
wdt: wdt@21000 {

28
arch/arm/boot/dts/da850-lego-ev3.dts
View File

@ -172,6 +172,18 @@ amp: regulator3 {
gpio = <&gpio 111 GPIO_ACTIVE_HIGH>;
enable-active-high;
};
/*
* The EV3 can use 6-AA batteries or a rechargeable Li-ion battery pack.
*/
battery {
pinctrl-names = "default";
pintctrl-0 = <&battery_pins>;
compatible = "lego,ev3-battery";
io-channels = <&adc 4>, <&adc 3>;
io-channel-names = "voltage", "current";
rechargeable-gpios = <&gpio 136 GPIO_ACTIVE_LOW>;
};
};
&pmx_core {
@ -228,6 +240,15 @@ amp_pins: pinmux_amp_pins {
0x34 0x00000008 0x0000000f
>;
};
battery_pins: pinmux_battery_pins {
pinctrl-single,bits = <
/* GP0[6] */
0x04 0x00000080 0x000000f0
/* GP8[8] */
0x4c 0x00000080 0x000000f0
>;
};
};
&pinconf {
@ -342,6 +363,13 @@ &ehrpwm0 {
&gpio {
status = "okay";
/* Don't pull down battery voltage adc io channel */
batt_volt_en {
gpio-hog;
gpios = <6 GPIO_ACTIVE_HIGH>;
output-low;
};
};
&usb_phy {

29
arch/arm/boot/dts/da850.dtsi
View File

@ -446,13 +446,38 @@ spi1: spi@30e000 {
};
usb0: usb@200000 {
compatible = "ti,da830-musb";
reg = <0x200000 0x10000>;
reg = <0x200000 0x1000>;
ranges;
interrupts = <58>;
interrupt-names = "mc";
dr_mode = "otg";
phys = <&usb_phy 0>;
phy-names = "usb-phy";
status = "disabled";
#address-cells = <1>;
#size-cells = <1>;
dmas = <&cppi41dma 0 0 &cppi41dma 1 0
&cppi41dma 2 0 &cppi41dma 3 0
&cppi41dma 0 1 &cppi41dma 1 1
&cppi41dma 2 1 &cppi41dma 3 1>;
dma-names =
"rx1", "rx2", "rx3", "rx4",
"tx1", "tx2", "tx3", "tx4";
cppi41dma: dma-controller@201000 {
compatible = "ti,da830-cppi41";
reg = <0x201000 0x1000
0x202000 0x1000
0x204000 0x4000>;
reg-names = "controller",
"scheduler", "queuemgr";
interrupts = <58>;
#dma-cells = <2>;
#dma-channels = <4>;
status = "okay";
};
};
sata: sata@218000 {
compatible = "ti,da850-ahci";
@ -503,6 +528,8 @@ gpio: gpio@226000 {
ti,ngpio = <144>;
ti,davinci-gpio-unbanked = <0>;
status = "disabled";
interrupt-controller;
#interrupt-cells = <2>;
};
pinconf: pin-controller@22c00c {
compatible = "ti,da850-pupd";