On 05/08/2019 02:21 AM, Jagan Teki wrote: > Devicetree files in RK3399 platform is synced from Linux, like other > platforms does. Apart from these u-boot in rk3399 would also require > some u-boot specific node like dmc. > > dmc node has big chunk of DDR timing parameters which are specific > to specific board, and maintained with rk3399-sdram*.dtsi. > > So, create board specific -u-boot.dtsi files and move these sdram dtsi > files accordingly. This would help of maintain u-boot specific changes > separately without touching Linux dts(i) files which indeed easy for > syncing from Linux between releases. > > These board specific -u-boot.dtsi can be extendible to add more u-boot > specific nodes or properties in future. > > Signed-off-by: Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx> Reviewed-by: Kever Yang <kever.yang@xxxxxxxxxxxxxx> Thanks, - Kever > --- > arch/arm/dts/rk3399-evb-u-boot.dtsi | 6 ++++++ > arch/arm/dts/rk3399-evb.dts | 1 - > arch/arm/dts/rk3399-ficus-u-boot.dtsi | 6 ++++++ > arch/arm/dts/rk3399-ficus.dts | 1 - > arch/arm/dts/rk3399-firefly-u-boot.dtsi | 6 ++++++ > arch/arm/dts/rk3399-firefly.dts | 1 - > arch/arm/dts/rk3399-gru-bob-u-boot.dtsi | 6 ++++++ > arch/arm/dts/rk3399-gru-bob.dts | 1 - > arch/arm/dts/rk3399-rock960-u-boot.dtsi | 6 ++++++ > arch/arm/dts/rk3399-rock960.dts | 1 - > 10 files changed, 30 insertions(+), 5 deletions(-) > create mode 100644 arch/arm/dts/rk3399-evb-u-boot.dtsi > create mode 100644 arch/arm/dts/rk3399-ficus-u-boot.dtsi > create mode 100644 arch/arm/dts/rk3399-firefly-u-boot.dtsi > create mode 100644 arch/arm/dts/rk3399-gru-bob-u-boot.dtsi > create mode 100644 arch/arm/dts/rk3399-rock960-u-boot.dtsi > > diff --git a/arch/arm/dts/rk3399-evb-u-boot.dtsi b/arch/arm/dts/rk3399-evb-u-boot.dtsi > new file mode 100644 > index 0000000000..7e2c57af22 > --- /dev/null > +++ b/arch/arm/dts/rk3399-evb-u-boot.dtsi > @@ -0,0 +1,6 @@ > +// SPDX-License-Identifier: GPL-2.0+ > +/* > + * Copyright (C) 2019 Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx> > + */ > + > +#include "rk3399-sdram-lpddr3-4GB-1600.dtsi" > diff --git a/arch/arm/dts/rk3399-evb.dts b/arch/arm/dts/rk3399-evb.dts > index 9162f3dd50..a506e8da37 100644 > --- a/arch/arm/dts/rk3399-evb.dts > +++ b/arch/arm/dts/rk3399-evb.dts > @@ -7,7 +7,6 @@ > #include <dt-bindings/pwm/pwm.h> > #include <dt-bindings/pinctrl/rockchip.h> > #include "rk3399.dtsi" > -#include "rk3399-sdram-lpddr3-4GB-1600.dtsi" > > / { > model = "Rockchip RK3399 Evaluation Board"; > diff --git a/arch/arm/dts/rk3399-ficus-u-boot.dtsi b/arch/arm/dts/rk3399-ficus-u-boot.dtsi > new file mode 100644 > index 0000000000..eab86bdb30 > --- /dev/null > +++ b/arch/arm/dts/rk3399-ficus-u-boot.dtsi > @@ -0,0 +1,6 @@ > +// SPDX-License-Identifier: GPL-2.0+ > +/* > + * Copyright (C) 2019 Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx> > + */ > + > +#include "rk3399-sdram-ddr3-1600.dtsi" > diff --git a/arch/arm/dts/rk3399-ficus.dts b/arch/arm/dts/rk3399-ficus.dts > index 4af0e4e383..4b2dd82b67 100644 > --- a/arch/arm/dts/rk3399-ficus.dts > +++ b/arch/arm/dts/rk3399-ficus.dts > @@ -8,7 +8,6 @@ > > /dts-v1/; > #include "rk3399-rock960.dtsi" > -#include "rk3399-sdram-ddr3-1600.dtsi" > > / { > model = "96boards RK3399 Ficus"; > diff --git a/arch/arm/dts/rk3399-firefly-u-boot.dtsi b/arch/arm/dts/rk3399-firefly-u-boot.dtsi > new file mode 100644 > index 0000000000..eab86bdb30 > --- /dev/null > +++ b/arch/arm/dts/rk3399-firefly-u-boot.dtsi > @@ -0,0 +1,6 @@ > +// SPDX-License-Identifier: GPL-2.0+ > +/* > + * Copyright (C) 2019 Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx> > + */ > + > +#include "rk3399-sdram-ddr3-1600.dtsi" > diff --git a/arch/arm/dts/rk3399-firefly.dts b/arch/arm/dts/rk3399-firefly.dts > index 46f2ffaf8d..a4cb64f8bd 100644 > --- a/arch/arm/dts/rk3399-firefly.dts > +++ b/arch/arm/dts/rk3399-firefly.dts > @@ -7,7 +7,6 @@ > #include <dt-bindings/pwm/pwm.h> > #include <dt-bindings/pinctrl/rockchip.h> > #include "rk3399.dtsi" > -#include "rk3399-sdram-ddr3-1600.dtsi" > > / { > model = "Firefly-RK3399 Board"; > diff --git a/arch/arm/dts/rk3399-gru-bob-u-boot.dtsi b/arch/arm/dts/rk3399-gru-bob-u-boot.dtsi > new file mode 100644 > index 0000000000..9edb8cf841 > --- /dev/null > +++ b/arch/arm/dts/rk3399-gru-bob-u-boot.dtsi > @@ -0,0 +1,6 @@ > +// SPDX-License-Identifier: GPL-2.0+ > +/* > + * Copyright (C) 2019 Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx> > + */ > + > +#include "rk3399-sdram-lpddr3-samsung-4GB-1866.dtsi" > diff --git a/arch/arm/dts/rk3399-gru-bob.dts b/arch/arm/dts/rk3399-gru-bob.dts > index 0e3d91fc28..1ee0dc0d9f 100644 > --- a/arch/arm/dts/rk3399-gru-bob.dts > +++ b/arch/arm/dts/rk3399-gru-bob.dts > @@ -7,7 +7,6 @@ > > /dts-v1/; > #include "rk3399-gru-chromebook.dtsi" > -#include "rk3399-sdram-lpddr3-samsung-4GB-1866.dtsi" > > / { > model = "Google Bob"; > diff --git a/arch/arm/dts/rk3399-rock960-u-boot.dtsi b/arch/arm/dts/rk3399-rock960-u-boot.dtsi > new file mode 100644 > index 0000000000..5256f6d3f2 > --- /dev/null > +++ b/arch/arm/dts/rk3399-rock960-u-boot.dtsi > @@ -0,0 +1,6 @@ > +// SPDX-License-Identifier: GPL-2.0+ > +/* > + * Copyright (C) 2019 Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx> > + */ > + > +#include "rk3399-sdram-lpddr3-2GB-1600.dtsi" > diff --git a/arch/arm/dts/rk3399-rock960.dts b/arch/arm/dts/rk3399-rock960.dts > index 25c58b4261..7e06bc97e5 100644 > --- a/arch/arm/dts/rk3399-rock960.dts > +++ b/arch/arm/dts/rk3399-rock960.dts > @@ -5,7 +5,6 @@ > > /dts-v1/; > #include "rk3399-rock960.dtsi" > -#include "rk3399-sdram-lpddr3-2GB-1600.dtsi" > > / { > model = "96boards Rock960"; _______________________________________________ Linux-rockchip mailing list Linux-rockchip@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/linux-rockchip