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ARM: dts: at91: sama5d2_xplained: fix QSPI0 node

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Fix the following:
- use "jedec,spi-nor" binding, we use jedec compatible flashes
- set bus width to 4, we use quad capable flashes
- differentiate bewteen data and clk and cs pins
- drop partions as we don't use them in u-boot.

Signed-off-by: Cyrille Pitchen <cyrille.pitchen@microchip.com>
[tudor.ambarus@microchip.com: use "jedec,spi-nor", edit commit message]
Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
This commit is contained in:
Cyrille Pitchen 2019-06-18 08:51:58 +00:00 committed by Eugen Hristev
parent e2c4dca97a
commit 4eeedd0306
1 changed files with 17 additions and 19 deletions
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36
arch/arm/dts/at91-sama5d2_xplained.dts
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@ -79,26 +79,18 @@
};
qspi0: spi@f0020000 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_qspi0_sck_cs_default &pinctrl_qspi0_dat_default>;
status = "okay";
u-boot,dm-pre-reloc;
flash@0 {
compatible = "atmel,sama5d2-qspi-flash";
compatible = "jedec,spi-nor";
reg = <0>;
#address-cells = <1>;
#size-cells = <1>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_qspi0_default>;
spi-max-frequency = <83000000>;
partition@00000000 {
label = "boot";
reg = <0x00000000 0x00c00000>;
};
partition@00c00000 {
label = "rootfs";
reg = <0x00c00000 0x00000000>;
};
spi-rx-bus-width = <4>;
spi-tx-bus-width = <4>;
u-boot,dm-pre-reloc;
};
};
@ -208,14 +200,20 @@
bias-disable;
};
pinctrl_qspi0_default: qspi0_default {
pinctrl_qspi0_sck_cs_default: qspi0_sck_cs_default {
pinmux = <PIN_PA22__QSPI0_SCK>,
<PIN_PA23__QSPI0_CS>,
<PIN_PA24__QSPI0_IO0>,
<PIN_PA23__QSPI0_CS>;
bias-disable;
u-boot,dm-pre-reloc;
};
pinctrl_qspi0_dat_default: qspi0_dat_default {
pinmux = <PIN_PA24__QSPI0_IO0>,
<PIN_PA25__QSPI0_IO1>,
<PIN_PA26__QSPI0_IO2>,
<PIN_PA27__QSPI0_IO3>;
bias-disable;
bias-pull-up;
u-boot,dm-pre-reloc;
};
pinctrl_sdmmc0_cmd_dat_default: sdmmc0_cmd_dat_default {