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40 lines
1.1 KiB
Diff
40 lines
1.1 KiB
Diff
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From 9204a7ecca96403ee3d61c14cb9eb87ec89b0fcd 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 11:33:27 +0900
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Subject: [PATCH] arm64: dts: rockchip: add SFC support for Radxa ROCK 5B
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This commit adds support for SPI NOR flash on Radxa ROCK 5B.
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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/20240623023329.1044-1-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/rk3588-rock-5b.dts | 14 ++++++++++++++
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1 file changed, 14 insertions(+)
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--- a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
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+++ b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts
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@@ -442,6 +442,20 @@
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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 = <&fspim2_pins>;
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+ status = "okay";
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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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&uart6 {
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pinctrl-names = "default";
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pinctrl-0 = <&uart6m1_xfer &uart6m1_ctsn &uart6m1_rtsn>;
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