ARM: dts: at91: sama7g5ek: Add QSPI0 node

QSPI0 has a MX66LM1G45G SPI NOR flash connected.
Enable the controller and describe the flash.

Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>

diff --git a/arch/arm/dts/sama7g5ek.dts b/arch/arm/dts/sama7g5ek.dts
index 1c59a8a..16192ca 100644 (file)
--- a/arch/arm/dts/sama7g5ek.dts
+++ b/arch/arm/dts/sama7g5ek.dts
@@ -11,6 +11,7 @@
 #include <dt-bindings/mfd/atmel-flexcom.h>
 #include "sama7g5.dtsi"
 #include "sama7g5-pinfunc.h"
+#include <dt-bindings/pinctrl/at91.h>
 
 / {
        model = "Microchip SAMA7G5 Evaluation Kit";
@@ -64,6 +65,24 @@
        };
 };
 
+&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;
+
+       };
+};
+
 &flx1 {
        atmel,flexcom-mode = <ATMEL_FLEXCOM_MODE_TWI>;
        status = "okay";
@@ -126,6 +145,25 @@
                bias-pull-up;
        };
 
+       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_cmd_data_default: sdmmc0_cmd_data_default {
                pinmux = <PIN_PA1__SDMMC0_CMD>,
                         <PIN_PA3__SDMMC0_DAT0>,