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ARM: dts: renesas: Add RPC node to R8A779A0 V3U

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The R-Car V3U does support RPC interface, however the support for it is
missing in upstream Linux DTs as of commit 9f4ad9e425a1 ("Linux 5.12"),
add the node into u-boot.dtsi to let U-Boot access the SPI NOR or HF.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
This commit is contained in:
Marek Vasut 2021-04-25 23:00:21 +02:00
parent b35fc0dabd
commit ae3c0d42fa
1 changed files with 13 additions and 0 deletions
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13
arch/arm/dts/r8a779a0-u-boot.dtsi
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@ -7,6 +7,19 @@
#include "r8a779x-u-boot.dtsi"
/ {
soc {
rpc: spi@ee200000 {
compatible = "renesas,rpc-r8a779a0", "renesas,rcar-gen3-rpc";
reg = <0 0xee200000 0 0x200>, <0 0x08000000 0 0x04000000>;
clocks = <&cpg CPG_MOD 629>;
bank-width = <2>;
num-cs = <1>;
status = "disabled";
};
};
};
&extalr_clk {
u-boot,dm-pre-reloc;
};