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Message-Id: <20220704101321.44835-11-angelogioacchino.delregno@collabora.com>
Date: Mon, 4 Jul 2022 12:13:20 +0200
From: AngeloGioacchino Del Regno
<angelogioacchino.delregno@...labora.com>
To: robh+dt@...nel.org
Cc: krzysztof.kozlowski+dt@...aro.org, matthias.bgg@...il.com,
angelogioacchino.delregno@...labora.com, hsinyi@...omium.org,
nfraprado@...labora.com, allen-kh.cheng@...iatek.com,
gtk3@...ox.ru, luca@...tu.xyz, sam.shih@...iatek.com,
sean.wang@...iatek.com, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-mediatek@...ts.infradead.org, wenst@...omium.org
Subject: [PATCH v2 10/11] arm64: dts: mediatek: cherry: Enable support for the SPI NOR flash
This platform has a SPI NOR: enable support for it, completing the
storage compartment enablement for the entire platform.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
Reviewed-by: NĂcolas F. R. A. Prado <nfraprado@...labora.com>
---
.../boot/dts/mediatek/mt8195-cherry.dtsi | 31 +++++++++++++++++++
1 file changed, 31 insertions(+)
diff --git a/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi b/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi
index c07d3ac79f62..2c8b760d0da1 100644
--- a/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8195-cherry.dtsi
@@ -231,6 +231,21 @@ &mt6359_vufs_ldo_reg {
regulator-always-on;
};
+&nor_flash {
+ status = "okay";
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&nor_pins_default>;
+
+ flash@0 {
+ compatible = "jedec,spi-nor";
+ reg = <0>;
+ spi-max-frequency = <52000000>;
+ spi-rx-bus-width = <2>;
+ spi-tx-bus-width = <2>;
+ };
+};
+
&pio {
mediatek,rsel-resistance-in-si-unit;
pinctrl-names = "default";
@@ -513,6 +528,22 @@ pins-rst {
};
};
+ nor_pins_default: nor-default-pins {
+ pins-ck-io {
+ pinmux = <PINMUX_GPIO142__FUNC_SPINOR_IO0>,
+ <PINMUX_GPIO141__FUNC_SPINOR_CK>,
+ <PINMUX_GPIO143__FUNC_SPINOR_IO1>;
+ drive-strength = <6>;
+ bias-pull-down;
+ };
+
+ pins-cs {
+ pinmux = <PINMUX_GPIO140__FUNC_SPINOR_CS>;
+ drive-strength = <6>;
+ bias-pull-up;
+ };
+ };
+
pio_default: pio-default-pins {
pins-wifi-enable {
pinmux = <PINMUX_GPIO58__FUNC_GPIO58>;
--
2.35.1
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