From 078c2a0e8e60bb3fe78cf50b5da1620a4e13e0cd Mon Sep 17 00:00:00 2001 From: Tudor Ambarus Date: Thu, 9 Dec 2021 14:36:43 +0200 Subject: ARM: dts: at91: sama7g5ek: Add QSPI0 node QSPI0 comunicates with a MX66LM1G45G SPI NOR flash. Enable the controller and describe the flash. Signed-off-by: Tudor Ambarus Signed-off-by: Nicolas Ferre Link: https://lore.kernel.org/r/20211209123643.341892-2-tudor.ambarus@microchip.com --- arch/arm/boot/dts/at91-sama7g5ek.dts | 73 ++++++++++++++++++++++++++++++++++++ 1 file changed, 73 insertions(+) (limited to 'arch/arm/boot/dts/at91-sama7g5ek.dts') diff --git a/arch/arm/boot/dts/at91-sama7g5ek.dts b/arch/arm/boot/dts/at91-sama7g5ek.dts index 0e1975c6812e..ccf9e224da78 100644 --- a/arch/arm/boot/dts/at91-sama7g5ek.dts +++ b/arch/arm/boot/dts/at91-sama7g5ek.dts @@ -13,6 +13,7 @@ #include "sama7g5.dtsi" #include #include +#include / { model = "Microchip SAMA7G5-EK"; @@ -134,6 +135,59 @@ cpu-supply = <&vddcpu>; }; +&qspi0 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_qspi>; + status = "okay"; + + flash@0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "jedec,spi-nor"; + reg = <0>; + spi-max-frequency = <133000000>; + spi-tx-bus-width = <8>; + spi-rx-bus-width = <8>; + m25p,fast-read; + + at91bootstrap@0 { + label = "ospi: at91bootstrap"; + reg = <0x0 0x40000>; + }; + + bootloader@40000 { + label = "ospi: bootloader"; + reg = <0x40000 0xc0000>; + }; + + bootloaderenvred@100000 { + label = "ospi: bootloader env redundant"; + reg = <0x100000 0x40000>; + }; + + bootloaderenv@140000 { + label = "ospi: bootloader env"; + reg = <0x140000 0x40000>; + }; + + dtb@180000 { + label = "ospi: device tree"; + reg = <0x180000 0x80000>; + }; + + kernel@200000 { + label = "ospi: kernel"; + reg = <0x200000 0x600000>; + }; + + rootfs@800000 { + label = "ospi: rootfs"; + reg = <0x800000 0x7800000>; + }; + + }; +}; + &dma0 { status = "okay"; }; @@ -555,6 +609,25 @@ bias-disable; }; + pinctrl_qspi: qspi { + pinmux = , + , + , + , + , + , + , + , + , + , + , + , + ; + bias-disable; + slew-rate = <0>; + atmel,drive-strength = ; + }; + pinctrl_sdmmc0_default: sdmmc0_default { cmd_data { pinmux = , -- cgit v1.2.3