From 45a792b5131a02cfa9771b8e1ad9df797b01263a Mon Sep 17 00:00:00 2001 From: Nathan Morrisson Date: Fri, 21 Jun 2024 16:31:43 -0700 Subject: [PATCH] arm64: dts: ti: k3-am6xx-phycore-qspi-nor: Add overlay to enable QSPI NOR 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 Link: https://lore.kernel.org/r/20240621233143.2077941-1-nmorrisson@phytec.com Signed-off-by: Vignesh Raghavendra --- 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/Makefile index 1e6fcd1ff7ba..cebc7bade968 100644 --- a/arch/arm64/boot/dts/ti/Makefile +++ b/arch/arm64/boot/dts/ti/Makefile @@ -63,6 +63,7 @@ dtb-$(CONFIG_ARCH_K3) += k3-am64-tqma64xxl-mbax4xxl-wlan.dtbo dtb-$(CONFIG_ARCH_K3) += k3-am6xx-phycore-disable-eth-phy.dtbo dtb-$(CONFIG_ARCH_K3) += k3-am6xx-phycore-disable-rtc.dtbo dtb-$(CONFIG_ARCH_K3) += k3-am6xx-phycore-disable-spi-nor.dtbo +dtb-$(CONFIG_ARCH_K3) += k3-am6xx-phycore-qspi-nor.dtbo # Boards with AM65x SoC k3-am654-gp-evm-dtbs := k3-am654-base-board.dtb \ @@ -131,6 +132,8 @@ k3-am625-phyboard-lyra-disable-spi-nor-dtbs := k3-am625-phyboard-lyra-rdk.dtb \ k3-am6xx-phycore-disable-spi-nor.dtbo k3-am625-phyboard-lyra-gpio-fan-dtbs := k3-am625-phyboard-lyra-rdk.dtb \ k3-am62x-phyboard-lyra-gpio-fan.dtbo +k3-am625-phyboard-lyra-qspi-nor-dtbs := k3-am625-phyboard-lyra-rdk.dtb \ + k3-am6xx-phycore-qspi-nor.dtbo k3-am625-sk-csi2-imx219-dtbs := k3-am625-sk.dtb \ k3-am62x-sk-csi2-imx219.dtbo k3-am625-sk-csi2-ov5640-dtbs := k3-am625-sk.dtb \ @@ -162,6 +165,8 @@ k3-am642-phyboard-electra-disable-rtc-dtbs := \ k3-am642-phyboard-electra-rdk.dtb k3-am6xx-phycore-disable-rtc.dtbo k3-am642-phyboard-electra-disable-spi-nor-dtbs := \ k3-am642-phyboard-electra-rdk.dtb k3-am6xx-phycore-disable-spi-nor.dtbo +k3-am642-phyboard-electra-qspi-nor-dtbs := \ + k3-am642-phyboard-electra-rdk.dtb k3-am6xx-phycore-qspi-nor.dtbo k3-am642-phyboard-electra-gpio-fan-dtbs := \ k3-am642-phyboard-electra-rdk.dtb k3-am642-phyboard-electra-gpio-fan.dtbo k3-am642-phyboard-electra-pcie-usb2-dtbs := \ diff --git a/arch/arm64/boot/dts/ti/k3-am6xx-phycore-qspi-nor.dtso b/arch/arm64/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 = <1>; + spi-rx-bus-width = <4>; +}; -- 2.25.1