With U-boot runtime board detect for DTB selection a "default" dtb needs to be created. This will be used temporarily until the "proper" dtb is selected.
Also, add -u-boot.dtsi for AM437x SK and IDK to enable I2C for board detection via DM_I2C.
Signed-off-by: Vignesh R vigneshr@ti.com --- arch/arm/dts/Makefile | 3 ++- arch/arm/dts/am4372-generic-u-boot.dtsi | 15 +++++++++++++++ arch/arm/dts/am4372-generic.dts | 24 ++++++++++++++++++++++++ arch/arm/dts/am437x-idk-evm-u-boot.dtsi | 23 +++++++++++++++++++++++ arch/arm/dts/am437x-sk-evm-u-boot.dtsi | 23 +++++++++++++++++++++++ 5 files changed, 87 insertions(+), 1 deletion(-) create mode 100644 arch/arm/dts/am4372-generic-u-boot.dtsi create mode 100644 arch/arm/dts/am4372-generic.dts create mode 100644 arch/arm/dts/am437x-idk-evm-u-boot.dtsi create mode 100644 arch/arm/dts/am437x-sk-evm-u-boot.dtsi
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile index 7dd1dffae599..15212acf90fa 100644 --- a/arch/arm/dts/Makefile +++ b/arch/arm/dts/Makefile @@ -167,7 +167,8 @@ dtb-$(CONFIG_AM33XX) += am335x-boneblack.dtb am335x-bone.dtb \ am335x-pdu001.dtb dtb-$(CONFIG_AM43XX) += am437x-gp-evm.dtb am437x-sk-evm.dtb \ am43x-epos-evm.dtb \ - am437x-idk-evm.dtb + am437x-idk-evm.dtb \ + am4372-generic.dtb dtb-$(CONFIG_TI816X) += dm8168-evm.dtb dtb-$(CONFIG_THUNDERX) += thunderx-88xx.dtb
diff --git a/arch/arm/dts/am4372-generic-u-boot.dtsi b/arch/arm/dts/am4372-generic-u-boot.dtsi new file mode 100644 index 000000000000..03a8a8d17b8c --- /dev/null +++ b/arch/arm/dts/am4372-generic-u-boot.dtsi @@ -0,0 +1,15 @@ +/* + * Copyright (C) 2018 Texas Instruments Incorporated - http://www.ti.com/ + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +/{ + ocp { + u-boot,dm-pre-reloc; + }; +}; + +&i2c0 { + u-boot,dm-pre-reloc; +}; diff --git a/arch/arm/dts/am4372-generic.dts b/arch/arm/dts/am4372-generic.dts new file mode 100644 index 000000000000..0c4843901882 --- /dev/null +++ b/arch/arm/dts/am4372-generic.dts @@ -0,0 +1,24 @@ +/* + * Device Tree Source for Generic AM4372 EVM + * + * Copyright (C) 2018 Texas Instruments Incorporated - http://www.ti.com/ + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +/dts-v1/; + +#include "am4372.dtsi" + +/ { + compatible = "ti,am4372", "ti,am43"; + model = "Texas Instruments AM4372 Generic"; + + chosen { + stdout-path = &uart0; + }; +}; + +&i2c0 { + status = "okay"; +}; diff --git a/arch/arm/dts/am437x-idk-evm-u-boot.dtsi b/arch/arm/dts/am437x-idk-evm-u-boot.dtsi new file mode 100644 index 000000000000..2f68d7ae9cdc --- /dev/null +++ b/arch/arm/dts/am437x-idk-evm-u-boot.dtsi @@ -0,0 +1,23 @@ +/* + * Copyright (C) 2018 Texas Instruments Incorporated - http://www.ti.com/ + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +/{ + ocp { + u-boot,dm-spl; + }; +}; + +&uart0 { + u-boot,dm-spl; +}; + +&i2c0 { + u-boot,dm-spl; +}; + +&mmc1 { + u-boot,dm-spl; +}; diff --git a/arch/arm/dts/am437x-sk-evm-u-boot.dtsi b/arch/arm/dts/am437x-sk-evm-u-boot.dtsi new file mode 100644 index 000000000000..2f68d7ae9cdc --- /dev/null +++ b/arch/arm/dts/am437x-sk-evm-u-boot.dtsi @@ -0,0 +1,23 @@ +/* + * Copyright (C) 2018 Texas Instruments Incorporated - http://www.ti.com/ + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +/{ + ocp { + u-boot,dm-spl; + }; +}; + +&uart0 { + u-boot,dm-spl; +}; + +&i2c0 { + u-boot,dm-spl; +}; + +&mmc1 { + u-boot,dm-spl; +};