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https://github.com/AsahiLinux/u-boot
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13bdb6a269
As requirement of CR side, QSPI Flash usage via RPC driver shall
be disabled and leaving the control of this module to CR side.
Perform DT modification to disable the RPC SPI.
Reviewed-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Signed-off-by: Cong Dang <cong.dang.xn@renesas.com>
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
[Marek: Do not modify defconfig, modify the DT instead, this way
the RPC SPI can be enabled without recompiling the U-Boot
itself. Update commit message accordingly.]
42 lines
738 B
Text
42 lines
738 B
Text
// SPDX-License-Identifier: GPL-2.0
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/*
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* Device Tree Source extras for U-Boot for the White Hawk board
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*
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* Copyright (C) 2021 Renesas Electronics Corp.
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*/
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#include "r8a779g0-white-hawk.dts"
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#include "r8a779g0-u-boot.dtsi"
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/ {
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aliases {
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spi0 = &rpc;
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};
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};
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&pfc {
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qspi0_pins: qspi0 {
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groups = "qspi0_ctrl", "qspi0_data4";
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function = "qspi0";
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};
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};
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&rpc {
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pinctrl-0 = <&qspi0_pins>;
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pinctrl-names = "default";
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#address-cells = <1>;
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#size-cells = <0>;
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spi-max-frequency = <40000000>;
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status = "disabled";
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spi-flash@0 {
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#address-cells = <1>;
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#size-cells = <1>;
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compatible = "s25fs512s", "jedec,spi-nor";
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reg = <0>;
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spi-tx-bus-width = <1>;
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spi-rx-bus-width = <1>;
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spi-max-frequency = <40000000>;
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};
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};
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