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46 lines
1.3 KiB
Diff
46 lines
1.3 KiB
Diff
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From 00224650dd45e166ea6eb1593f5f064583963ccf Mon Sep 17 00:00:00 2001
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From: FUKAUMI Naoki <naoki@radxa.com>
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Date: Sun, 23 Jun 2024 11:33:28 +0900
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Subject: [PATCH] arm64: dts: rockchip: add (but disabled) SFC node for Radxa
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ROCK 5A
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This commit adds SFC node for Radxa ROCK 5A.
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since sdhci and sfc on RK3588s share pins(i.e. exclusive), it cannot
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be enabled both nodes at the same time. so status = "okay" is omitted
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here.
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you may be able to enable sfc (and disable sdhci) by fdt overlay.
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SPI NOR flash chip may vary, so use safe(lowest) spi-max-frequency.
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Signed-off-by: FUKAUMI Naoki <naoki@radxa.com>
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Link: https://lore.kernel.org/r/20240623023329.1044-2-naoki@radxa.com
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Signed-off-by: Heiko Stuebner <heiko@sntech.de>
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---
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arch/arm64/boot/dts/rockchip/rk3588s-rock-5a.dts | 13 +++++++++++++
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1 file changed, 13 insertions(+)
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--- a/arch/arm64/boot/dts/rockchip/rk3588s-rock-5a.dts
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+++ b/arch/arm64/boot/dts/rockchip/rk3588s-rock-5a.dts
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@@ -376,6 +376,19 @@
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status = "okay";
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};
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+&sfc {
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&fspim0_pins>;
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+
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+ flash@0 {
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+ compatible = "jedec,spi-nor";
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+ reg = <0>;
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+ spi-max-frequency = <104000000>;
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+ spi-rx-bus-width = <4>;
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+ spi-tx-bus-width = <1>;
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+ };
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+};
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+
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&spi2 {
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status = "okay";
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assigned-clocks = <&cru CLK_SPI2>;
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