From:   =?UTF-8?q?Jonathan=20Neusch=C3=A4fer?= <j.neuschaefer@gmx.net>
To:     openbmc@lists.ozlabs.org
Cc:     =?UTF-8?q?Jonathan=20Neusch=C3=A4fer?= <j.neuschaefer@gmx.net>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Joel Stanley <joel@jms.id.au>, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org
Subject: [PATCH] ARM: dts: wpcm450: Add nuvoton,shm = <&shm> to FIU node
Date:   Sun, 29 Jan 2023 12:26:11 +0100
Message-Id: <20230129112611.1176517-1-j.neuschaefer@gmx.net>
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Precedence: bulk

The Flash Interface Unit (FIU) should have a reference to the Shared
Memory controller (SHM) so that flash access from the host (x86 computer
managed by the WPCM450 BMC) can be blocked during flash access by the
FIU driver.

Fixes: 38abcb0d68767 ("ARM: dts: wpcm450: Add FIU SPI controller node")
Signed-off-by: Jonathan Neusch=C3=A4fer <j.neuschaefer@gmx.net>
=2D--
 arch/arm/boot/dts/nuvoton-wpcm450.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm/boot/dts/nuvoton-wpcm450.dtsi b/arch/arm/boot/dts/nu=
voton-wpcm450.dtsi
index 299fcbba3089b..fda2f13093f98 100644
=2D-- a/arch/arm/boot/dts/nuvoton-wpcm450.dtsi
+++ b/arch/arm/boot/dts/nuvoton-wpcm450.dtsi
@@ -478,6 +478,7 @@ fiu: spi-controller@c8000000 {
 			reg =3D <0xc8000000 0x1000>, <0xc0000000 0x4000000>;
 			reg-names =3D "control", "memory";
 			clocks =3D <&clk WPCM450_CLK_FIU>;
+			nuvoton,shm =3D <&shm>;
 			status =3D "disabled";
 		};

=2D-
2.39.0