diff options
| author | Tudor Ambarus <tudor.ambarus@microchip.com> | 2021-12-09 15:36:43 +0300 |
|---|---|---|
| committer | Nicolas Ferre <nicolas.ferre@microchip.com> | 2021-12-13 16:48:04 +0300 |
| commit | 078c2a0e8e60bb3fe78cf50b5da1620a4e13e0cd (patch) | |
| tree | ee4e103677569994c2995d5a9c4a6a7ffc6ef305 /arch/arm | |
| parent | 0081a525ceef14e950172def4af14c3f652fb4a2 (diff) | |
| download | linux-078c2a0e8e60bb3fe78cf50b5da1620a4e13e0cd.tar.xz | |
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 <tudor.ambarus@microchip.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Link: https://lore.kernel.org/r/20211209123643.341892-2-tudor.ambarus@microchip.com
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/boot/dts/at91-sama7g5ek.dts | 73 |
1 files changed, 73 insertions, 0 deletions
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 <dt-bindings/mfd/atmel-flexcom.h> #include <dt-bindings/input/input.h> +#include <dt-bindings/pinctrl/at91.h> / { 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 = <PIN_PB12__QSPI0_IO0>, + <PIN_PB11__QSPI0_IO1>, + <PIN_PB10__QSPI0_IO2>, + <PIN_PB9__QSPI0_IO3>, + <PIN_PB16__QSPI0_IO4>, + <PIN_PB17__QSPI0_IO5>, + <PIN_PB18__QSPI0_IO6>, + <PIN_PB19__QSPI0_IO7>, + <PIN_PB13__QSPI0_CS>, + <PIN_PB14__QSPI0_SCK>, + <PIN_PB15__QSPI0_SCKN>, + <PIN_PB20__QSPI0_DQS>, + <PIN_PB21__QSPI0_INT>; + bias-disable; + slew-rate = <0>; + atmel,drive-strength = <ATMEL_PIO_DRVSTR_HI>; + }; + pinctrl_sdmmc0_default: sdmmc0_default { cmd_data { pinmux = <PIN_PA1__SDMMC0_CMD>, |