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ARM: dts: at91: sama7g5ek: Add QSPI0 node

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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
This commit is contained in:
Tudor Ambarus
2021-12-09 14:36:43 +02:00
committed by Nicolas Ferre
parent 0081a525ce
commit 078c2a0e8e
1 changed files with 73 additions and 0 deletions
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73
arch/arm/boot/dts/at91-sama7g5ek.dts
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@@ -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>,