[PATCH 0/2] Add devicetree for Axentia Nattis

[PATCH 0/2] Add devicetree for Axentia Nattis

[Peter Rosin]

Hi!

I'd like to add a devicetree for our Nattis to the kernel. The
Nattis is a device for showing departures for public transportation
(optionally including a text-to-speech module for the visually
impaired).

I'm a bit unsure if the tfa9879 sound codec binding is needed,
but I suppose it belongs in trivial-devices?

Cheers,
Peter

Peter Rosin (2):
  dt-bindings: trivial: add tfa9879 device
  ARM: dts: at91: add devicetree for the Axentia Nattis with Natte power

 Documentation/devicetree/bindings/arm/axentia.txt  |   9 +
 .../devicetree/bindings/trivial-devices.txt        |   1 +
 MAINTAINERS                                        |   2 +
 arch/arm/boot/dts/Makefile                         |   1 +
 arch/arm/boot/dts/at91-natte.dtsi                  | 245 +++++++++++++++++++
 arch/arm/boot/dts/at91-nattis-2-natte-2.dts        | 258 +++++++++++++++++++++
 6 files changed, 516 insertions(+)
 create mode 100644 arch/arm/boot/dts/at91-natte.dtsi
 create mode 100644 arch/arm/boot/dts/at91-nattis-2-natte-2.dts

-- 
2.11.0

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[PATCH 1/2] dt-bindings: trivial: add tfa9879 device

[Peter Rosin]

Add record for NXP TFA9879 Mono BTL Class D audio amplifier.

Signed-off-by: Peter Rosin <peda@axentia.se>
---
 Documentation/devicetree/bindings/trivial-devices.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/trivial-devices.txt b/Documentation/devicetree/bindings/trivial-devices.txt
index af284fbd4d23..4cf30ce4e71f 100644
--- a/Documentation/devicetree/bindings/trivial-devices.txt
+++ b/Documentation/devicetree/bindings/trivial-devices.txt
@@ -157,6 +157,7 @@ nxp,pcf2127		Real-time clock
 nxp,pcf2129		Real-time clock
 nxp,pcf8563		Real-time clock/calendar
 nxp,pcf85063		Tiny Real-Time Clock
+nxp,tfa9879		Mono BTL Class D audio amplifier
 oki,ml86v7667		OKI ML86V7667 video decoder
 ovti,ov5642		OV5642: Color CMOS QSXGA (5-megapixel) Image Sensor with OmniBSI and Embedded TrueFocus
 pericom,pt7c4338	Real-time Clock Module
-- 
2.11.0

Re: [alsa-devel] [PATCH 1/2] dt-bindings: trivial: add tfa9879 device

[Fabio Estevam]

On Fri, Dec 1, 2017 at 8:44 PM, Peter Rosin <peda-koto5C5qi+TLoDKTGw+V6w@public.gmane.org> wrote:
> Add record for NXP TFA9879 Mono BTL Class D audio amplifier.
>
> Signed-off-by: Peter Rosin <peda-koto5C5qi+TLoDKTGw+V6w@public.gmane.org>
> ---
>  Documentation/devicetree/bindings/trivial-devices.txt | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/Documentation/devicetree/bindings/trivial-devices.txt b/Documentation/devicetree/bindings/trivial-devices.txt
> index af284fbd4d23..4cf30ce4e71f 100644
> --- a/Documentation/devicetree/bindings/trivial-devices.txt
> +++ b/Documentation/devicetree/bindings/trivial-devices.txt
> @@ -157,6 +157,7 @@ nxp,pcf2127         Real-time clock
>  nxp,pcf2129            Real-time clock
>  nxp,pcf8563            Real-time clock/calendar
>  nxp,pcf85063           Tiny Real-Time Clock
> +nxp,tfa9879            Mono BTL Class D audio amplifier

This is already described at Documentation/devicetree/bindings/sound/tfa9879.txt
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Re: [PATCH 1/2] dt-bindings: trivial: add tfa9879 device

[Peter Rosin]

On 2017-12-02 22:17, Fabio Estevam wrote:
> On Fri, Dec 1, 2017 at 8:44 PM, Peter Rosin <peda@axentia.se> wrote:
>> Add record for NXP TFA9879 Mono BTL Class D audio amplifier.
>>
>> Signed-off-by: Peter Rosin <peda@axentia.se>
>> ---
>>  Documentation/devicetree/bindings/trivial-devices.txt | 1 +
>>  1 file changed, 1 insertion(+)
>>
>> diff --git a/Documentation/devicetree/bindings/trivial-devices.txt b/Documentation/devicetree/bindings/trivial-devices.txt
>> index af284fbd4d23..4cf30ce4e71f 100644
>> --- a/Documentation/devicetree/bindings/trivial-devices.txt
>> +++ b/Documentation/devicetree/bindings/trivial-devices.txt
>> @@ -157,6 +157,7 @@ nxp,pcf2127         Real-time clock
>>  nxp,pcf2129            Real-time clock
>>  nxp,pcf8563            Real-time clock/calendar
>>  nxp,pcf85063           Tiny Real-Time Clock
>> +nxp,tfa9879            Mono BTL Class D audio amplifier
> 
> This is already described at Documentation/devicetree/bindings/sound/tfa9879.txt

Right. However, the patch adding that should have been sent to me, the
maintainer of the driver. That is carefully recorded in MAINTAINERS. So,
forgive me for assuming that nothing had changed in the driver behind my
back.

Had that patch been sent my way as it should have been, I would have
insisted that maintenance of the bindings had been kept together with
the maintenance of the driver.

Cheers,
Peter

Re: [PATCH 1/2] dt-bindings: trivial: add tfa9879 device

[Fabio Estevam]

Hi Peter,

On Sun, Dec 3, 2017 at 4:59 AM, Peter Rosin <peda-koto5C5qi+TLoDKTGw+V6w@public.gmane.org> wrote:

> Right. However, the patch adding that should have been sent to me, the
> maintainer of the driver. That is carefully recorded in MAINTAINERS. So,
> forgive me for assuming that nothing had changed in the driver behind my
> back.
>
> Had that patch been sent my way as it should have been, I would have
> insisted that maintenance of the bindings had been kept together with
> the maintenance of the driver.

When I sent this patch ./scripts/get_maintainer.pl did lot list your
name, so that's why I did not put you on Cc, sorry.

4.15-rc1 still does not list you, but linux-next does.

Would you like me to send the following patch so that new binding
updates go to you?

--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -9808,6 +9808,7 @@ NXP TFA9879 DRIVER
 M:     Peter Rosin <peda-koto5C5qi+TLoDKTGw+V6w@public.gmane.org>
 L:     alsa-devel-K7yf7f+aM1XWsZ/bQMPhNw@public.gmane.org (moderated for non-subscribers)
 S:     Maintained
+F:     Documentation/devicetree/bindings/sound/tfa9879.txt
 F:     sound/soc/codecs/tfa9879*
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Re: [PATCH 1/2] dt-bindings: trivial: add tfa9879 device

[Peter Rosin]

On 2017-12-03 12:12, Fabio Estevam wrote:
> Hi Peter,
> 
> On Sun, Dec 3, 2017 at 4:59 AM, Peter Rosin <peda@axentia.se> wrote:
> 
>> Right. However, the patch adding that should have been sent to me, the
>> maintainer of the driver. That is carefully recorded in MAINTAINERS. So,
>> forgive me for assuming that nothing had changed in the driver behind my
>> back.
>>
>> Had that patch been sent my way as it should have been, I would have
>> insisted that maintenance of the bindings had been kept together with
>> the maintenance of the driver.
> 
> When I sent this patch ./scripts/get_maintainer.pl did lot list your
> name, so that's why I did not put you on Cc, sorry.
> 
> 4.15-rc1 still does not list you, but linux-next does.

That's funny, because I get the below on both 4.14 and 4.15-rc1. And I
expect the same ever since the driver was added some 3 years ago.

$ scripts/get_maintainer.pl your-patch-from[1].diff | grep Peter
Peter Rosin <peda@axentia.se> (maintainer:NXP TFA9879 DRIVER)

[1] https://patchwork.ozlabs.org/patch/815930/

By the way, scripts/checkpatch.pl on that patch reports
WARNING: added, moved or deleted file(s), does MAINTAINERS need updating?

> Would you like me to send the following patch so that new binding
> updates go to you?

Naahh, I'll claim it myself, that way I can clean up some nits in the
actual file while at it...

Cheers,
Peter

> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -9808,6 +9808,7 @@ NXP TFA9879 DRIVER
>  M:     Peter Rosin <peda@axentia.se>
>  L:     alsa-devel@alsa-project.org (moderated for non-subscribers)
>  S:     Maintained
> +F:     Documentation/devicetree/bindings/sound/tfa9879.txt
>  F:     sound/soc/codecs/tfa9879*
> 

Re: [PATCH 1/2] dt-bindings: trivial: add tfa9879 device

[Fabio Estevam]

On Sun, Dec 3, 2017 at 6:53 PM, Peter Rosin <peda-koto5C5qi+TLoDKTGw+V6w@public.gmane.org> wrote:

> That's funny, because I get the below on both 4.14 and 4.15-rc1. And I
> expect the same ever since the driver was added some 3 years ago.
>
> $ scripts/get_maintainer.pl your-patch-from[1].diff | grep Peter
> Peter Rosin <peda-koto5C5qi+TLoDKTGw+V6w@public.gmane.org> (maintainer:NXP TFA9879 DRIVER)

You are right.

I tried ./scripts/get_maintainer.pl
Documentation/devicetree/bindings/sound/tfa9879.txt

in 4.15-rc1.
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[PATCH 2/2] ARM: dts: at91: add devicetree for the Axentia Nattis with Natte power

[Peter Rosin]

The Axentia Nattis is a device designed for presenting departures for
public transport systems. The Natte helper board provides power and
features a battery of battery chargers.

Signed-off-by: Peter Rosin <peda-koto5C5qi+TLoDKTGw+V6w@public.gmane.org>
---
 Documentation/devicetree/bindings/arm/axentia.txt |   9 +
 MAINTAINERS                                       |   2 +
 arch/arm/boot/dts/Makefile                        |   1 +
 arch/arm/boot/dts/at91-natte.dtsi                 | 245 ++++++++++++++++++++
 arch/arm/boot/dts/at91-nattis-2-natte-2.dts       | 258 ++++++++++++++++++++++
 5 files changed, 515 insertions(+)
 create mode 100644 arch/arm/boot/dts/at91-natte.dtsi
 create mode 100644 arch/arm/boot/dts/at91-nattis-2-natte-2.dts

diff --git a/Documentation/devicetree/bindings/arm/axentia.txt b/Documentation/devicetree/bindings/arm/axentia.txt
index ea3fb96ae465..de58f2463880 100644
--- a/Documentation/devicetree/bindings/arm/axentia.txt
+++ b/Documentation/devicetree/bindings/arm/axentia.txt
@@ -10,6 +10,15 @@ compatible = "axentia,linea",
 and following the rules from atmel-at91.txt for a sama5d31 SoC.
 
 
+Nattis v2 board with Natte v2 power board
+-----------------------------------------
+
+Required root node properties:
+compatible = "axentia,nattis-2", "axentia,natte-2", "axentia,linea",
+	     "atmel,sama5d31", "atmel,sama5d3", "atmel,sama5";
+and following the rules from above for the axentia,linea CPU module.
+
+
 TSE-850 v3 board
 ----------------
 
diff --git a/MAINTAINERS b/MAINTAINERS
index 2811a211632c..303d04502b8f 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2488,6 +2488,8 @@ L:	linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org (moderated for non-subscribers)
 S:	Maintained
 F:	Documentation/devicetree/bindings/arm/axentia.txt
 F:	arch/arm/boot/dts/at91-linea.dtsi
+F:	arch/arm/boot/dts/at91-natte.dtsi
+F:	arch/arm/boot/dts/at91-nattis-2-natte-2.dts
 F:	arch/arm/boot/dts/at91-tse850-3.dts
 
 AXENTIA ASOC DRIVERS
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index eff87a344566..0c10d89adbc8 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -47,6 +47,7 @@ dtb-$(CONFIG_SOC_AT91SAM9) += \
 	at91sam9x35ek.dtb
 dtb-$(CONFIG_SOC_SAM_V7) += \
 	at91-kizbox2.dtb \
+	at91-nattis-2-natte-2.dtb \
 	at91-sama5d27_som1_ek.dtb \
 	at91-sama5d2_xplained.dtb \
 	at91-sama5d3_xplained.dtb \
diff --git a/arch/arm/boot/dts/at91-natte.dtsi b/arch/arm/boot/dts/at91-natte.dtsi
new file mode 100644
index 000000000000..53b7bb9098f4
--- /dev/null
+++ b/arch/arm/boot/dts/at91-natte.dtsi
@@ -0,0 +1,245 @@
+/*
+ * at91-natte.dts - Device Tree include file for the Natte board
+ *
+ * Copyright (C) 2017 Axentia Technologies AB
+ *
+ * Author: Peter Rosin <peda-koto5C5qi+TLoDKTGw+V6w@public.gmane.org>
+ *
+ * Licensed under GPLv2 or later.
+ */
+
+/ {
+	mux: mux-controller {
+		compatible = "gpio-mux";
+		#mux-control-cells = <0>;
+
+		mux-gpios = <&ioexp 0 GPIO_ACTIVE_HIGH>,
+			    <&ioexp 1 GPIO_ACTIVE_HIGH>,
+			    <&ioexp 2 GPIO_ACTIVE_HIGH>;
+	};
+
+	batntc-mux {
+		compatible = "io-channel-mux";
+		io-channels = <&adc 5>;
+		io-channel-names = "parent";
+		mux-controls = <&mux>;
+
+		channels =
+			"batntc0", "batntc1", "batntc2", "batntc3",
+			"batntc4", "batntc5", "batntc6", "batntc7";
+	};
+
+	batv-mux {
+		compatible = "io-channel-mux";
+		io-channels = <&adc 6>;
+		io-channel-names = "parent";
+		mux-controls = <&mux>;
+
+		channels =
+			"batv0", "batv1", "batv2", "batv3",
+			"batv4", "batv5", "batv6", "batv7";
+	};
+
+	iout-mux {
+		compatible = "io-channel-mux";
+		io-channels = <&adc 7>;
+		io-channel-names = "parent";
+		mux-controls = <&mux>;
+
+		channels =
+			"iout0", "iout1", "iout2", "iout3",
+			"iout4", "iout5", "iout6", "iout7";
+	};
+
+	i2c-mux {
+		compatible = "i2c-mux";
+		mux-locked;
+		i2c-parent = <&i2c0>;
+		mux-controls = <&mux>;
+
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		i2c@0 {
+			reg = <0>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			bq24735-charger@9 {
+				compatible = "ti,bq24735";
+				reg = <0x9>;
+
+				ti,charge-current = <2000>;
+				ti,charge-voltage = <16800>;
+
+				poll-interval = <20000>;
+			};
+		};
+
+		i2c@1 {
+			reg = <1>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			bq24735-charger@9 {
+				compatible = "ti,bq24735";
+				reg = <0x9>;
+
+				ti,charge-current = <2000>;
+				ti,charge-voltage = <16800>;
+
+				poll-interval = <20000>;
+			};
+		};
+
+		i2c@2 {
+			reg = <2>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			bq24735-charger@9 {
+				compatible = "ti,bq24735";
+				reg = <0x9>;
+
+				ti,charge-current = <2000>;
+				ti,charge-voltage = <16800>;
+
+				poll-interval = <20000>;
+			};
+		};
+
+		i2c@3 {
+			reg = <3>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			bq24735-charger@9 {
+				compatible = "ti,bq24735";
+				reg = <0x9>;
+
+				ti,charge-current = <2000>;
+				ti,charge-voltage = <16800>;
+
+				poll-interval = <20000>;
+			};
+		};
+
+		i2c@4 {
+			reg = <4>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			bq24735-charger@9 {
+				compatible = "ti,bq24735";
+				reg = <0x9>;
+
+				ti,charge-current = <2000>;
+				ti,charge-voltage = <16800>;
+
+				poll-interval = <20000>;
+			};
+		};
+
+		i2c@5 {
+			reg = <5>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			bq24735-charger@9 {
+				compatible = "ti,bq24735";
+				reg = <0x9>;
+
+				ti,charge-current = <2000>;
+				ti,charge-voltage = <16800>;
+
+				poll-interval = <20000>;
+			};
+		};
+
+		i2c@6 {
+			reg = <6>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			bq24735-charger@9 {
+				compatible = "ti,bq24735";
+				reg = <0x9>;
+
+				ti,charge-current = <2000>;
+				ti,charge-voltage = <16800>;
+
+				poll-interval = <20000>;
+			};
+		};
+
+		i2c@7 {
+			reg = <7>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			bq24735-charger@9 {
+				compatible = "ti,bq24735";
+				reg = <0x9>;
+
+				ti,charge-current = <2000>;
+				ti,charge-voltage = <16800>;
+
+				poll-interval = <20000>;
+			};
+		};
+	};
+};
+
+&i2c0 {
+	status = "okay";
+
+	ioexp: sx1502q@20 {
+		#gpio-cells = <2>;
+		compatible = "semtech,sx1502q";
+		reg = <0x20>;
+
+		gpio-controller;
+		ngpios = <8>;
+
+		pinctrl-names = "default";
+		pinctrl-0 = <&gpio3_cfg_pins>;
+
+		gpio3_cfg_pins: gpio3_cfg {
+			pins = "gpio3";
+			bias-pull-up;
+		};
+	};
+
+	adc: ads1015@48 {
+		compatible = "ti,ads1015";
+		reg = <0x48>;
+		#io-channel-cells = <1>;
+
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		channel@4 {
+			reg = <4>;
+			ti,gain = <2>;
+			ti,datarate = <4>;
+		};
+
+		channel@5 {
+			reg = <5>;
+			ti,gain = <2>;
+			ti,datarate = <4>;
+		};
+
+		channel@6 {
+			reg = <6>;
+			ti,gain = <1>;
+			ti,datarate = <4>;
+		};
+
+		channel@7 {
+			reg = <7>;
+			ti,gain = <3>;
+			ti,datarate = <4>;
+		};
+	};
+};
diff --git a/arch/arm/boot/dts/at91-nattis-2-natte-2.dts b/arch/arm/boot/dts/at91-nattis-2-natte-2.dts
new file mode 100644
index 000000000000..c7224cbb50b4
--- /dev/null
+++ b/arch/arm/boot/dts/at91-nattis-2-natte-2.dts
@@ -0,0 +1,258 @@
+/*
+ * at91-nattis-2-natte-2.dts - Device Tree file for the Linea/Nattis board
+ *
+ * Copyright (C) 2017 Axentia Technologies AB
+ *
+ * Author: Peter Rosin <peda-koto5C5qi+TLoDKTGw+V6w@public.gmane.org>
+ *
+ * Licensed under GPLv2 or later.
+ */
+/dts-v1/;
+#include "at91-linea.dtsi"
+#include "sama5d3_lcd.dtsi"
+#include "at91-natte.dtsi"
+
+/ {
+	model = "Axentia Linea-Nattis v2 Natte v2";
+	compatible = "axentia,nattis-2", "axentia,natte-2", "axentia,linea",
+		     "atmel,sama5d31", "atmel,sama5d3", "atmel,sama5";
+
+	ahb {
+		apb {
+			pinctrl@fffff200 {
+				nattis {
+					pinctrl_usba_vbus: usba_vbus {
+						atmel,pins =
+							<AT91_PIOD 28
+							 AT91_PERIPH_GPIO
+							 AT91_PINCTRL_DEGLITCH>;
+					};
+
+					pinctrl_mmc0_cd: mmc0_cd {
+						atmel,pins =
+							<AT91_PIOD 5
+							 AT91_PERIPH_GPIO
+							 AT91_PINCTRL_PULL_UP_DEGLITCH>;
+					};
+
+					pinctrl_lcd_prlud0: lcd_prlud0 {
+						atmel,pins =
+							<AT91_PIOA 21
+							 AT91_PERIPH_GPIO
+							 AT91_PINCTRL_OUTPUT_VAL(0)>;
+					};
+
+					pinctrl_lcd_hipow0: lcd_hipow0 {
+						atmel,pins =
+							<AT91_PIOA 23
+							 AT91_PERIPH_GPIO
+							 AT91_PINCTRL_OUTPUT_VAL(0)>;
+					};
+				};
+			};
+
+			watchdog@fffffe40 {
+				status = "okay";
+			};
+		};
+	};
+
+	gpio-keys {
+		compatible = "gpio-keys";
+
+		wakeup {
+			label = "Wakeup";
+			linux,code = <10>;
+			gpio-key,wakeup;
+			gpios = <&pioB 27 GPIO_ACTIVE_LOW>;
+		};
+	};
+
+	panel_reg: panel-regulator {
+		compatible = "regulator-fixed";
+		regulator-name = "panel-VCC";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+	};
+
+	bl_reg: backlight-regulator {
+		compatible = "regulator-fixed";
+		regulator-name = "panel-VDD";
+		regulator-min-microvolt = <12000000>;
+		regulator-max-microvolt = <12000000>;
+	};
+
+	panel_bl: backlight {
+		compatible = "pwm-backlight";
+		pwms = <&hlcdc_pwm 0 100000 0>;
+
+		brightness-levels = < 0  1  2  3  4  5  6  7  8  9
+				     10 11 12 13 14 15 16 17 18 19
+				     20 21 22 23 24 25 26 27 28 29
+				     30 31 32 33 34 35 36 37 38 39
+				     40 41 42 43 44 45 46 47 48 49
+				     50 51 52 53 54 55 56 57 58 59
+				     60 61 62 63 64 65 66 67 68 69
+				     70 71 72 73 74 75 76 77 78 79
+				     80 81 82 83 84 85 86 87 88 89
+				     90 91 92 93 94 95 96 97 98 99
+				    100>;
+		default-brightness-level = <40>;
+
+		power-supply = <&bl_reg>;
+		enable-gpios = <&pioA 20 GPIO_ACTIVE_HIGH>;
+	};
+
+	panel: panel {
+		compatible = "sharp,lq150x1lg11";
+		backlight = <&panel_bl>;
+		power-supply = <&panel_reg>;
+
+		port {
+			panel_input: endpoint {
+				remote-endpoint = <&hlcdc_panel_output>;
+			};
+		};
+	};
+
+	sound {
+		compatible = "simple-audio-card";
+
+		simple-audio-card,name = "nattis-tfa9879";
+		simple-audio-card,format = "i2s";
+		simple-audio-card,bitclock-master = <&cpu_dai>;
+		simple-audio-card,frame-master = <&cpu_dai>;
+		simple-audio-card,widgets = "Line", "Line Out Jack";
+		simple-audio-card,routing = "Line Out Jack", "LINEOUT";
+
+		cpu_dai: simple-audio-card,cpu {
+			sound-dai = <&ssc0>;
+		};
+
+		simple-audio-card,codec {
+			sound-dai = <&codec>;
+		};
+	};
+};
+
+&i2c0 {
+	status = "okay";
+
+	clock-frequency = <100000>;
+
+	temp@18 {
+		compatible = "nxp,se97b", "jedec,jc-42.4-temp";
+		reg = <0x18>;
+		smbus-timeout-disable;
+	};
+
+	eeprom@50 {
+		compatible = "nxp,24c02";
+		reg = <0x50>;
+		pagesize = <16>;
+	};
+
+	codec: codec@6c {
+		 compatible = "nxp,tfa9879";
+		 reg = <0x6c>;
+	};
+};
+
+&ssc0 {
+	status = "okay";
+
+	atmel,clk-from-rk-pin;
+	#sound-dai-cells = <0>;
+};
+
+&hlcdc {
+	status = "okay";
+
+	hlcdc-display-controller {
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_lcd_base
+			     &pinctrl_lcd_rgb565
+			     &pinctrl_lcd_prlud0
+			     &pinctrl_lcd_hipow0>;
+
+		port@0 {
+			hlcdc_panel_output: endpoint {
+				remote-endpoint = <&panel_input>;
+			};
+		};
+	};
+};
+
+&mmc0 {
+	status = "okay";
+
+	pinctrl-0 = <&pinctrl_mmc0_clk_cmd_dat0
+		     &pinctrl_mmc0_dat1_3
+		     &pinctrl_mmc0_cd>;
+
+	slot@0 {
+		reg = <0>;
+		bus-width = <4>;
+		cd-gpios = <&pioD 5 GPIO_ACTIVE_HIGH>;
+	};
+};
+
+&usart0 {
+	status = "okay";
+
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_usart0>;
+	atmel,use-dma-rx;
+};
+
+&nand {
+	partitions {
+		compatible = "fixed-partitions";
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		at91bootstrap@0 {
+			label = "at91bootstrap";
+			reg = <0x0 0x40000>;
+		};
+
+		bootloader@40000 {
+			label = "bootloader";
+			reg = <0x40000 0x80000>;
+		};
+
+		bootloaderenv@c0000 {
+			label = "bootloader env";
+			reg = <0xc0000 0xc0000>;
+		};
+
+		dtb@180000 {
+			label = "device tree";
+			reg = <0x180000 0x80000>;
+		};
+
+		kernel@200000 {
+			label = "kernel";
+			reg = <0x200000 0x600000>;
+		};
+
+		rootfs@800000 {
+			label = "rootfs";
+			reg = <0x800000 0x0f800000>;
+		};
+	};
+};
+
+&dbgu {
+	status = "okay";
+
+	atmel,use-dma-rx;
+};
+
+&usb0 {
+	status = "okay";
+
+	atmel,vbus-gpio = <&pioD 28 GPIO_ACTIVE_HIGH>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_usba_vbus>;
+};
-- 
2.11.0

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Re: [PATCH 0/2] Add devicetree for Axentia Nattis

[Javier Martinez Canillas]

Hello Peter,

On Fri, Dec 1, 2017 at 11:44 PM, Peter Rosin <peda@axentia.se> wrote:
> Hi!
>
> I'd like to add a devicetree for our Nattis to the kernel. The
> Nattis is a device for showing departures for public transportation
> (optionally including a text-to-speech module for the visually
> impaired).
>
> I'm a bit unsure if the tfa9879 sound codec binding is needed,
> but I suppose it belongs in trivial-devices?
>

There's a DT binding for this device now:

https://patchwork.ozlabs.org/patch/816157/

> Cheers,
> Peter
>

Best regards,
Javier

Re: [PATCH 0/2] Add devicetree for Axentia Nattis

[Peter Rosin]

On 2017-12-02 02:05, Javier Martinez Canillas wrote:
> Hello Peter,
> 
> On Fri, Dec 1, 2017 at 11:44 PM, Peter Rosin <peda@axentia.se> wrote:
>> Hi!
>>
>> I'd like to add a devicetree for our Nattis to the kernel. The
>> Nattis is a device for showing departures for public transportation
>> (optionally including a text-to-speech module for the visually
>> impaired).
>>
>> I'm a bit unsure if the tfa9879 sound codec binding is needed,
>> but I suppose it belongs in trivial-devices?
>>
> 
> There's a DT binding for this device now:
> 
> https://patchwork.ozlabs.org/patch/816157/

What do you know, thanks for the hint. I even reviewed a followup
patch for that one, so I guess I should have known...

Anyway, I should probably add a #sound-dai-cells entry. v2 coming up.

Cheers,
peda