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charset="utf-8" Add an overlay to change from the default OSPI NOR to QSPI NOR for all am6xx-phycore-som boards. The EEPROM on am6xx-phycore-soms contains information about the configuration of the SOM. The standard configuration of the SOM has an ospi nor, but if qspi nor is populated, the EEPROM will indicate that change and we can use this overlay to cleanly change to qspi nor. Signed-off-by: Nathan Morrisson --- arch/arm64/boot/dts/ti/Makefile | 5 +++++ .../boot/dts/ti/k3-am6xx-phycore-qspi-nor.dtso | 15 +++++++++++++++ 2 files changed, 20 insertions(+) create mode 100644 arch/arm64/boot/dts/ti/k3-am6xx-phycore-qspi-nor.dtso diff --git a/arch/arm64/boot/dts/ti/Makefile b/arch/arm64/boot/dts/ti/Makef= ile index 8d8fc8bfaf7e..f0ddda064f08 100644 --- a/arch/arm64/boot/dts/ti/Makefile +++ b/arch/arm64/boot/dts/ti/Makefile @@ -58,6 +58,7 @@ dtb-$(CONFIG_ARCH_K3) +=3D k3-am64-tqma64xxl-mbax4xxl-wla= n.dtbo dtb-$(CONFIG_ARCH_K3) +=3D k3-am6xx-phycore-disable-eth-phy.dtbo dtb-$(CONFIG_ARCH_K3) +=3D k3-am6xx-phycore-disable-rtc.dtbo dtb-$(CONFIG_ARCH_K3) +=3D k3-am6xx-phycore-disable-spi-nor.dtbo +dtb-$(CONFIG_ARCH_K3) +=3D k3-am6xx-phycore-qspi-nor.dtbo =20 # Boards with AM65x SoC k3-am654-gp-evm-dtbs :=3D k3-am654-base-board.dtb \ @@ -120,6 +121,8 @@ k3-am625-phyboard-lyra-disable-spi-nor-dtbs :=3D k3-am6= 25-phyboard-lyra-rdk.dtb \ k3-am6xx-phycore-disable-spi-nor.dtbo k3-am625-phyboard-lyra-gpio-fan-dtbs :=3D k3-am625-phyboard-lyra-rdk.dtb \ k3-am62x-phyboard-lyra-gpio-fan.dtbo +k3-am625-phyboard-lyra-qspi-nor-dtbs :=3D k3-am625-phyboard-lyra-rdk.dtb \ + k3-am6xx-phycore-qspi-nor.dtbo k3-am625-sk-csi2-imx219-dtbs :=3D k3-am625-sk.dtb \ k3-am62x-sk-csi2-imx219.dtbo k3-am625-sk-csi2-ov5640-dtbs :=3D k3-am625-sk.dtb \ @@ -149,6 +152,8 @@ k3-am642-phyboard-electra-disable-rtc-dtbs :=3D \ k3-am642-phyboard-electra-rdk.dtb k3-am6xx-phycore-disable-rtc.dtbo k3-am642-phyboard-electra-disable-spi-nor-dtbs :=3D \ k3-am642-phyboard-electra-rdk.dtb k3-am6xx-phycore-disable-spi-nor.dtbo +k3-am642-phyboard-electra-qspi-nor-dtbs :=3D \ + k3-am642-phyboard-electra-rdk.dtb k3-am6xx-phycore-qspi-nor.dtbo k3-am642-phyboard-electra-gpio-fan-dtbs :=3D \ k3-am642-phyboard-electra-rdk.dtb k3-am642-phyboard-electra-gpio-fan.dtbo k3-am642-tqma64xxl-mbax4xxl-sdcard-dtbs :=3D \ diff --git a/arch/arm64/boot/dts/ti/k3-am6xx-phycore-qspi-nor.dtso b/arch/a= rm64/boot/dts/ti/k3-am6xx-phycore-qspi-nor.dtso new file mode 100644 index 000000000000..969dfebcd637 --- /dev/null +++ b/arch/arm64/boot/dts/ti/k3-am6xx-phycore-qspi-nor.dtso @@ -0,0 +1,15 @@ +// SPDX-License-Identifier: GPL-2.0-only OR MIT +/* + * Copyright (C) 2024 PHYTEC America LLC + * Author: Nathan Morrisson + */ + +/dts-v1/; +/plugin/; + +#include "k3-pinctrl.h" + +&serial_flash { + spi-tx-bus-width =3D <1>; + spi-rx-bus-width =3D <4>; +}; --=20 2.25.1