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Date: Fri, 21 Jul 2023 16:15:42 +0200
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: nikita.shubin@...uefel.me, Hartley Sweeten
<hsweeten@...ionengravers.com>, Lennert Buytenhek <kernel@...tstofly.org>,
Alexander Sverdlin <alexander.sverdlin@...il.com>,
Russell King <linux@...linux.org.uk>, Lukasz Majewski <lukma@...x.de>,
Linus Walleij <linus.walleij@...aro.org>, Bartosz Golaszewski
<brgl@...ev.pl>, Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>,
Michael Turquette <mturquette@...libre.com>, Stephen Boyd
<sboyd@...nel.org>, Daniel Lezcano <daniel.lezcano@...aro.org>,
Thomas Gleixner <tglx@...utronix.de>, Alessandro Zummo
<a.zummo@...ertech.it>, Alexandre Belloni <alexandre.belloni@...tlin.com>,
Wim Van Sebroeck <wim@...ux-watchdog.org>, Guenter Roeck
<linux@...ck-us.net>, Sebastian Reichel <sre@...nel.org>,
Thierry Reding <thierry.reding@...il.com>,
Uwe Kleine-König <u.kleine-koenig@...gutronix.de>,
Mark Brown <broonie@...nel.org>, "David S. Miller" <davem@...emloft.net>,
Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>,
Paolo Abeni <pabeni@...hat.com>, Vinod Koul <vkoul@...nel.org>,
Miquel Raynal <miquel.raynal@...tlin.com>,
Richard Weinberger <richard@....at>, Vignesh Raghavendra <vigneshr@...com>,
Damien Le Moal <dlemoal@...nel.org>, Sergey Shtylyov <s.shtylyov@....ru>,
Dmitry Torokhov <dmitry.torokhov@...il.com>, Arnd Bergmann <arnd@...db.de>,
Olof Johansson <olof@...om.net>, soc@...nel.org,
Liam Girdwood <lgirdwood@...il.com>, Jaroslav Kysela <perex@...ex.cz>,
Takashi Iwai <tiwai@...e.com>, Andy Shevchenko <andy@...nel.org>,
Michael Peters <mpeters@...eddedTS.com>, Kris Bahnsen <kris@...eddedTS.com>
Cc: linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
linux-gpio@...r.kernel.org, devicetree@...r.kernel.org,
linux-clk@...r.kernel.org, linux-rtc@...r.kernel.org,
linux-watchdog@...r.kernel.org, linux-pm@...r.kernel.org,
linux-pwm@...r.kernel.org, linux-spi@...r.kernel.org,
netdev@...r.kernel.org, dmaengine@...r.kernel.org,
linux-mtd@...ts.infradead.org, linux-ide@...r.kernel.org,
linux-input@...r.kernel.org, alsa-devel@...a-project.org
Subject: Re: [PATCH v3 35/42] ARM: dts: ep93xx: add ts7250 board
On 20/07/2023 13:29, Nikita Shubin via B4 Relay wrote:
> From: Nikita Shubin <nikita.shubin@...uefel.me>
>
> Add device tree file for Technologic Systems ts7250 board and
> Liebherr bk3 board which have many in common, both are based on
> ep9302 SoC variant.
>
> Signed-off-by: Nikita Shubin <nikita.shubin@...uefel.me>
> ---
> arch/arm/boot/dts/cirrus/Makefile | 3 +
> arch/arm/boot/dts/cirrus/ep93xx-bk3.dts | 126 +++++++++++++++++++++++++
> arch/arm/boot/dts/cirrus/ep93xx-ts7250.dts | 145 +++++++++++++++++++++++++++++
> 3 files changed, 274 insertions(+)
>
> diff --git a/arch/arm/boot/dts/cirrus/Makefile b/arch/arm/boot/dts/cirrus/Makefile
> index e944d3e2129d..211a7e2f2115 100644
> --- a/arch/arm/boot/dts/cirrus/Makefile
> +++ b/arch/arm/boot/dts/cirrus/Makefile
> @@ -3,3 +3,6 @@ dtb-$(CONFIG_ARCH_CLPS711X) += \
> ep7211-edb7211.dtb
> dtb-$(CONFIG_ARCH_CLPS711X) += \
> ep7211-edb7211.dtb
> +dtb-$(CONFIG_ARCH_EP93XX) += \
> + ep93xx-bk3.dtb \
> + ep93xx-ts7250.dtb
> diff --git a/arch/arm/boot/dts/cirrus/ep93xx-bk3.dts b/arch/arm/boot/dts/cirrus/ep93xx-bk3.dts
> new file mode 100644
> index 000000000000..91d76a1a8571
> --- /dev/null
> +++ b/arch/arm/boot/dts/cirrus/ep93xx-bk3.dts
> @@ -0,0 +1,126 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Device Tree file for Liebherr controller BK3.1 based on Cirrus EP9302 SoC
> + */
> +/dts-v1/;
> +#include "ep93xx.dtsi"
> +
> +/ {
> + model = "Liebherr controller BK3.1";
> + compatible = "liebherr,bk3", "cirrus,ep9301";
> + #address-cells = <1>;
> + #size-cells = <1>;
> +
> + chosen {
> + };
> +
> + memory@0 {
> + device_type = "memory";
> + /* should be set from ATAGS */
> + reg = <0x00000000 0x02000000>,
> + <0x000530c0 0x01fdd000>;
> + };
> +
> + nand-controller@...00000 {
> + compatible = "technologic,ts7200-nand";
> + reg = <0x60000000 0x8000000>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + nand@0 {
> + reg = <0>;
> + partitions {
> + compatible = "fixed-partitions";
> + #address-cells = <1>;
> + #size-cells = <1>;
> +
> + partition@0 {
> + label = "System";
> + reg = <0x00000000 0x01e00000>;
> + read-only;
> + };
> +
> + partition@...0000 {
> + label = "Data";
> + reg = <0x01e00000 0x05f20000>;
> + };
> +
> + partition@...0000 {
> + label = "RedBoot";
> + reg = <0x07d20000 0x002e0000>;
> + read-only;
> + };
> + };
> + };
> + };
> +
> + leds {
> + compatible = "gpio-leds";
> + led-0 {
> + label = "grled";
> + gpios = <&gpio4 0 GPIO_ACTIVE_HIGH>;
> + linux,default-trigger = "heartbeat";
> + function = LED_FUNCTION_HEARTBEAT;
> + };
> +
> + led-1 {
> + label = "rdled";
> + gpios = <&gpio4 1 GPIO_ACTIVE_HIGH>;
> + function = LED_FUNCTION_FAULT;
> + };
> + };
> +};
> +
> +ð0 {
> + phy-handle = <&phy0>;
> +};
> +
> +&i2c0 {
> + status = "okay";
> +};
> +
> +&i2s {
> + pinctrl-names = "default";
> + pinctrl-0 = <&i2s_on_ac97_pins>;
> + status = "okay";
> +};
> +
> +&gpio1 {
> + /* PWM */
> + gpio-ranges = <&pinctrl 6 163 1>;
> +};
> +
> +&gpio4 {
> + gpio-ranges = <&pinctrl 0 97 2>;
> + status = "okay";
> +};
> +
> +&gpio6 {
> + gpio-ranges = <&pinctrl 0 87 2>;
> + status = "okay";
> +};
> +
> +&gpio7 {
> + gpio-ranges = <&pinctrl 2 199 4>;
> + status = "okay";
> +};
> +
> +&mdio0 {
> + phy0: ethernet-phy@1 {
> + reg = <1>;
> + device_type = "ethernet-phy";
> + };
> +};
> +
> +&uart0 {
> + status = "okay";
> +};
> +
> +&uart1 {
> + status = "okay";
> +};
> +
> +&usb0 {
> + status = "okay";
> +};
> +
> diff --git a/arch/arm/boot/dts/cirrus/ep93xx-ts7250.dts b/arch/arm/boot/dts/cirrus/ep93xx-ts7250.dts
> new file mode 100644
> index 000000000000..625202f8cd25
> --- /dev/null
> +++ b/arch/arm/boot/dts/cirrus/ep93xx-ts7250.dts
> @@ -0,0 +1,145 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Device Tree file for Technologic Systems ts7250 board based on Cirrus EP9302 SoC
> + */
> +/dts-v1/;
> +#include "ep93xx.dtsi"
> +#include <dt-bindings/dma/cirrus,ep93xx-dma.h>
> +
> +/ {
> + compatible = "technologic,ts7250", "cirrus,ep9301";
> + model = "TS-7250 SBC";
> + #address-cells = <1>;
> + #size-cells = <1>;
> +
> + chosen {
> + };
> +
> + memory@0 {
> + device_type = "memory";
> + /* should be set from ATAGS */
> + reg = <0x00000000 0x02000000>,
> + <0x000530c0 0x01fdd000>;
> + };
> +
> + nand-controller@...00000 {
Where is this address? It does not work like that. If this is part of
SoC, then should be in DTSI and part of soc node. If not, then it is
some other bus which needs some description. Top-level is not a bus.
You should see errors when testing dtbs with W=1.
> + compatible = "technologic,ts7200-nand";
> + reg = <0x60000000 0x8000000>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + nand@0 {
> + reg = <0>;
> + partitions {
> + compatible = "fixed-partitions";
> + #address-cells = <1>;
> + #size-cells = <1>;
> +
> + partition@0 {
> + label = "TS-BOOTROM";
> + reg = <0x00000000 0x00020000>;
> + read-only;
> + };
> +
> + partition@...00 {
> + label = "Linux";
> + reg = <0x00020000 0x07d00000>;
> + };
> +
> + partition@...0000 {
> + label = "RedBoot";
> + reg = <0x07d20000 0x002e0000>;
> + read-only;
> + };
> + };
> + };
> + };
> +
> + rtc1: rtc@...00000 {
Same problems
> + compatible = "st,m48t86";
> + reg = <0x10800000 0x1>,
> + <0x11700000 0x1>;
> + };
> +
> + watchdog1: watchdog@...00000 {
Same problems
> + compatible = "technologic,ts7200-wdt";
> + reg = <0x23800000 0x01>,
> + <0x23c00000 0x01>;
> + timeout-sec = <30>;
> + };
> +
> + leds {
> + compatible = "gpio-leds";
> + led-0 {
> + label = "grled";
> + gpios = <&gpio4 0 GPIO_ACTIVE_HIGH>;
> + linux,default-trigger = "heartbeat";
> + function = LED_FUNCTION_HEARTBEAT;
> + };
> +
> + led-1 {
> + label = "rdled";
> + gpios = <&gpio4 1 GPIO_ACTIVE_HIGH>;
> + function = LED_FUNCTION_FAULT;
> + };
> + };
> +};
> +
> +ð0 {
> + phy-handle = <&phy0>;
> +};
> +
> +&gpio1 {
> + /* PWM */
> + gpio-ranges = <&pinctrl 6 163 1>;
> +};
> +
> +&gpio4 {
> + gpio-ranges = <&pinctrl 0 97 2>;
> + status = "okay";
> +};
> +
> +&gpio6 {
> + gpio-ranges = <&pinctrl 0 87 2>;
> + status = "okay";
> +};
> +
> +&gpio7 {
> + gpio-ranges = <&pinctrl 2 199 4>;
> + status = "okay";
> +};
> +
> +&i2c0 {
> + status = "okay";
> +};
> +
> +&spi0 {
> + cs-gpios = <&gpio5 2 GPIO_ACTIVE_HIGH>;
> + dmas = <&dma1 EP93XX_DMA_SSP>;
> + status = "okay";
> +
> + tmp122_spi: tmp122@0 {
Node names should be generic. See also an explanation and list of
examples (not exhaustive) in DT specification:
https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation
> + compatible = "ti,tmp122";
> + reg = <0>;
> + spi-max-frequency = <2000000>;
> + };
> +};
> +
Best regards,
Krzysztof
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