Subject: [PATCH 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 <[email protected]>
---
.../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 1668aa1be373..2687c6d40ac1 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 = <MTK_DRIVE_6mA>;
+ bias-pull-down;
+ };
+
+ pins-cs {
+ pinmux = <PINMUX_GPIO140__FUNC_SPINOR_CS>;
+ drive-strength = <MTK_DRIVE_6mA>;
+ bias-pull-up;
+ };
+ };
+
pio_default: pio-default-pins {
pins-wifi-enable {
pinmux = <PINMUX_GPIO58__FUNC_GPIO58>;
--
2.35.1


2022-07-01 23:04:34

by Nícolas F. R. A. Prado

[permalink] [raw]
Subject: Re: [PATCH 10/11] arm64: dts: mediatek: cherry: Enable support for the SPI NOR flash

On Thu, Jun 30, 2022 at 05:33:15PM +0200, AngeloGioacchino Del Regno wrote:
> 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 <[email protected]>

Reviewed-by: N?colas F. R. A. Prado <[email protected]>

Thanks,
N?colas