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ARM: dts: renesas: Minimize R8A779G0 V4H RPC SPI DT node

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The RPC SPI DT node is now part of mainline Linux DT, remove the
duplicate content from U-Boot DT extras. The SPI flash DT node name
has been changed from "spi-flash@0" to "flash@0", reflect this change
in this patch. Retain "bank-width" and "num-cs" DT properties which
are used by U-Boot. Retain "spi-rx-bus-width" and "spi-tx-bus-width"
DT properties to indicate the bus should always be operated in 1-1-1
mode as the U-Boot RPC SPI driver does not support higher bus width
modes yet.

Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
This commit is contained in:
Marek Vasut 2024-08-31 22:33:37 +02:00
parent 2e255d2e6e
commit 3faeb78378
2 changed files with 1 additions and 22 deletions
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1
arch/arm/dts/r8a779g0-u-boot.dtsi
View file

@ -8,7 +8,6 @@
#include "r8a779x-u-boot.dtsi" #include "r8a779x-u-boot.dtsi"
&rpc { &rpc {
reg = <0 0xee200000 0 0x200>, <0 0x08000000 0 0x04000000>;
bank-width = <2>; bank-width = <2>;
num-cs = <1>; num-cs = <1>;
}; };

22
arch/arm/dts/r8a779g0-white-hawk-u-boot.dtsi
View file

@ -13,29 +13,9 @@
}; };
}; };
&pfc {
qspi0_pins: qspi0 {
groups = "qspi0_ctrl", "qspi0_data4";
function = "qspi0";
};
};
&rpc { &rpc {
pinctrl-0 = <&qspi0_pins>; flash@0 {
pinctrl-names = "default";
#address-cells = <1>;
#size-cells = <0>;
spi-max-frequency = <40000000>;
status = "disabled";
spi-flash@0 {
#address-cells = <1>;
#size-cells = <1>;
compatible = "s25fs512s", "jedec,spi-nor";
reg = <0>;
spi-tx-bus-width = <1>; spi-tx-bus-width = <1>;
spi-rx-bus-width = <1>; spi-rx-bus-width = <1>;
spi-max-frequency = <40000000>;
}; };
}; };