Hi Krzysztof, On Wed, Dec 20, 2017 at 03:08:27PM +0100, Krzysztof Kozlowski wrote: > On Mon, Dec 18, 2017 at 1:38 PM, Simon Shields <simon@xxxxxxxxxxxxx> wrote: > > "midas" is the codename for a family of smartphones released by Samsung > > Mobile. It includes the Galaxy S3 (GT-I9300/I9305) and the Galaxy > > Note 2 (GT-N7100/N7105). The boards largely have the same peripherals: > > the main differences are touchscreen, display panel and cellular modem. > > > > Signed-off-by: Simon Shields <simon@xxxxxxxxxxxxx> > > --- > > arch/arm/boot/dts/Makefile | 3 +++ > > arch/arm/boot/dts/exynos4412-m0.dts | 27 +++++++++++++++++++++++++ > > arch/arm/boot/dts/exynos4412-m3.dts | 14 +++++++++++++ > > arch/arm/boot/dts/exynos4412-t0.dts | 40 +++++++++++++++++++++++++++++++++++++ > > 4 files changed, 84 insertions(+) > > create mode 100644 arch/arm/boot/dts/exynos4412-m0.dts > > create mode 100644 arch/arm/boot/dts/exynos4412-m3.dts > > create mode 100644 arch/arm/boot/dts/exynos4412-t0.dts > > > > diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile > > index 66e28af289da..035abd66b472 100644 > > --- a/arch/arm/boot/dts/Makefile > > +++ b/arch/arm/boot/dts/Makefile > > @@ -164,11 +164,14 @@ dtb-$(CONFIG_ARCH_EXYNOS4) += \ > > exynos4210-trats.dtb \ > > exynos4210-universal_c210.dtb \ > > exynos4412-itop-elite.dtb \ > > + exynos4412-m0.dtb \ > > + exynos4412-m3.dtb \ > > exynos4412-odroidu3.dtb \ > > exynos4412-odroidx.dtb \ > > exynos4412-odroidx2.dtb \ > > exynos4412-origen.dtb \ > > exynos4412-smdk4412.dtb \ > > + exynos4412-t0.dtb \ > > exynos4412-tiny4412.dtb \ > > exynos4412-trats2.dtb > > dtb-$(CONFIG_ARCH_EXYNOS5) += \ > > diff --git a/arch/arm/boot/dts/exynos4412-m0.dts b/arch/arm/boot/dts/exynos4412-m0.dts > > new file mode 100644 > > index 000000000000..56c1ea6b5695 > > --- /dev/null > > +++ b/arch/arm/boot/dts/exynos4412-m0.dts > > @@ -0,0 +1,27 @@ > > +/* > > + * Samsung's Exynos4412 based M0 (GT-I9300) board device tree source > > + * > > + * Copyright (c) 2013 Samsung Electronics Co., Ltd. > > + * http://www.samsung.com > > + * > > + * Device tree source file for Samsung's M0 board which is based on > > + * Samsung's Exynos4412 SoC. > > + * > > + * This program is free software; you can redistribute it and/or modify > > + * it under the terms of the GNU General Public License version 2 as > > + * published by the Free Software Foundation. > > + */ > > + > > +/dts-v1/; > > +#include "exynos4412-galaxy-s3.dtsi" > > + > > +/ { > > + model = "Samsung M0 (GT-I9300) based on Exynos4412"; > > + compatible = "samsung,m0", "samsung,midas", "samsung,exynos4412", "samsung,exynos4"; > > + > > + memory@40000000 { > > + device_type = "memory"; > > + reg = <0x40000000 0x40000000>; > > I think each board has the same memory so maybe this can be made part > of midas.dtsi? T0 and M3 have 2GB of RAM, trats2/M0 have 1GB. > > > + }; > > What about bootargs? Handled by the bootloader - to work around the proprietary bootloader not supporting device tree and requiring hacks to successfully boot a mainline kernel, i'm using kexec from a suitably patched kernel to load and boot the "real" kernel. (This also means one image can be used across all boards). > > > + > > Unneeded new line. > > > +}; > > diff --git a/arch/arm/boot/dts/exynos4412-m3.dts b/arch/arm/boot/dts/exynos4412-m3.dts > > new file mode 100644 > > index 000000000000..80431044f07a > > --- /dev/null > > +++ b/arch/arm/boot/dts/exynos4412-m3.dts > > @@ -0,0 +1,14 @@ > > +// SPDX-License-Identifier: GPL-2.0 > > +/dts-v1/; > > +#include "exynos4412-galaxy-s3.dtsi" > > + > > +/ { > > + model = "Samsung M3 (GT-I9305) based on Exynos4412"; > > + compatible = "samsung,m3", "samsung,midas", "samsung,exynos4412", "samsung,exynos4"; > > + > > + memory@40000000 { > > + device_type = "memory"; > > + reg = <0x40000000 0x80000000>; > > + }; > > + > > Ditto > > > +}; > > diff --git a/arch/arm/boot/dts/exynos4412-t0.dts b/arch/arm/boot/dts/exynos4412-t0.dts > > new file mode 100644 > > index 000000000000..1444e893fb0e > > --- /dev/null > > +++ b/arch/arm/boot/dts/exynos4412-t0.dts > > @@ -0,0 +1,40 @@ > > +// SPDX-License-Identifier: GPL-2.0 > > +/dts-v1/; > > +#include "exynos4412-midas.dtsi" > > + > > +/ { > > + compatible = "samsung,t0", "samsung,midas", "samsung,exynos4412", "samsung,exynos4"; > > + model = "Samsung T0 (GT-N7100, GT-N7105) based on Exynos4412"; > > + > > + memory@40000000 { > > + device_type = "memory"; > > + reg = <0x40000000 0x80000000>; > > + }; > > +}; > > + > > +&buck9_reg { > > + maxim,ena-gpios = <&gpm1 0 GPIO_ACTIVE_HIGH>; > > + status = "okay"; > > +}; > > + > > +&cam_io_reg { > > + gpio = <&gpm0 7 GPIO_ACTIVE_HIGH>; > > + status = "okay"; > > +}; > > + > > +&cam_af_reg { > > + gpio = <&gpm1 1 GPIO_ACTIVE_HIGH>; > > + status = "okay"; > > +}; > > Please but the cam nodes in alphabetical order. > > > + > > +&ldo13_reg { > > + regulator-name = "VCC_1.8V_LCD"; > > + regulator-always-on; > > +}; > > + > > +&ldo25_reg { > > + regulator-name = "VCI_3.0V_LCD"; > > + regulator-min-microvolt = <3000000>; > > + regulator-max-microvolt = <3000000>; > > + status = "okay"; > > +}; > > -- > > 2.15.1 > > Cheers, Simon -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
