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

diff --git a/arch/arm/boot/dts/at91-sama7g5ek.dts b/arch/arm/boot/dts/at91-sama7g5ek.dts
index 0e1975c6812e227e9ddfbc052119ff65f40903b6..ccf9e224da781154b5b94c88d82845ce360f6734 100644 (file)
--- 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>,