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rockchip: drop sdmmc speed limitation for RK3576/RK3588

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The stability issue doesn't seem to be found on newer rockchip SoCs
like RK3528, RK3576 and RK3588, so drop the sdr50 limitation.

In addtion, the HS200 limitation for NanoPC T6 is also removed as
upstream fixed the real issue in mmc driver.

Signed-off-by: Tianling Shen <cnsztl@immortalwrt.org>
Link: https://github.com/openwrt/openwrt/pull/20432
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
This commit is contained in:
Tianling Shen 2025-10-17 15:28:57 +08:00 committed by Hauke Mehrtens
parent 1842735a06
commit e159d1ec81
5 changed files with 0 additions and 110 deletions
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26
target/linux/rockchip/patches-6.12/117-arm64-dts-rockchip-lower-mmc-speed-for-Radxa-Rock-5A.patch
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@ -1,26 +0,0 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Tianling Shen <cnsztl@gmail.com>
Date: Mon Aug 05 16:14:33 2024 +0800
Subject: [PATCH] arm64: dts: rockchip: lower mmc speed for Radxa Rock 5A
The previously stated speed of sdr-104 in is too high for the hardware
to reliably communicate with some fast SD cards.
Rockchip boards have a common bug when operating uhs speed, which will
hang the system during a soft reboot.
To be on the safe side, lower the speed to workaround.
Signed-off-by: Tianling Shen <cnsztl@gmail.com>
---
--- a/arch/arm64/boot/dts/rockchip/rk3588s-rock-5a.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3588s-rock-5a.dts
@@ -440,7 +440,7 @@
max-frequency = <150000000>;
no-sdio;
no-mmc;
- sd-uhs-sdr104;
+ sd-uhs-sdr50;
vmmc-supply = <&vcc_3v3_s0>;
vqmmc-supply = <&vccio_sd_s0>;
status = "okay";

26
target/linux/rockchip/patches-6.12/119-arm64-dts-rockchip-lower-mmc-speed-for-Radxa-Rock-5B.patch
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@ -1,26 +0,0 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Tianling Shen <cnsztl@gmail.com>
Date: Mon Aug 05 16:14:33 2024 +0800
Subject: [PATCH] arm64: dts: rockchip: lower mmc speed for Radxa Rock 5B
The previously stated speed of sdr-104 in is too high for the hardware
to reliably communicate with some fast SD cards.
Rockchip boards have a common bug when operating uhs speed, which will
hang the system during a soft reboot.
To be on the safe side, lower the speed to workaround.
Signed-off-by: Tianling Shen <cnsztl@gmail.com>
---
--- a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b-5bp-5t.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b-5bp-5t.dtsi
@@ -452,7 +452,7 @@
cap-sd-highspeed;
cd-gpios = <&gpio0 RK_PA4 GPIO_ACTIVE_LOW>;
disable-wp;
- sd-uhs-sdr104;
+ sd-uhs-sdr50;
vmmc-supply = <&vcc_3v3_s3>;
vqmmc-supply = <&vccio_sd_s0>;
status = "okay";

21
target/linux/rockchip/patches-6.12/121-arm64-dts-rockchip-lower-mmc-speed-for-nanopc-t6.patch
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@ -1,21 +0,0 @@
--- a/arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dtsi
@@ -619,8 +619,7 @@
no-sd;
non-removable;
max-frequency = <200000000>;
- mmc-hs400-1_8v;
- mmc-hs400-enhanced-strobe;
+ mmc-hs200-1_8v;
status = "okay";
};
@@ -632,7 +631,7 @@
disable-wp;
no-mmc;
no-sdio;
- sd-uhs-sdr104;
+ sd-uhs-sdr50;
vmmc-supply = <&vcc3v3_sd_s0>;
vqmmc-supply = <&vccio_sd_s0>;
status = "okay";

26
target/linux/rockchip/patches-6.12/126-arm64-dts-rockchip-lower-mmc-speed-for-ArmSom-Sige7.patch
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@ -1,26 +0,0 @@
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Tianling Shen <cnsztl@gmail.com>
Date: Mon Sep 23 13:22:56 2024 +0800
Subject: [PATCH] arm64: dts: rockchip: lower mmc speed for ArmSom Sige7
The previously stated speed of sdr-104 in is too high for the hardware
to reliably communicate with some fast SD cards.
Rockchip boards have a common bug when operating uhs speed, which will
hang the system during a soft reboot.
To be on the safe side, lower the speed to workaround.
Signed-off-by: Tianling Shen <cnsztl@gmail.com>
---
--- a/arch/arm64/boot/dts/rockchip/rk3588-armsom-sige7.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3588-armsom-sige7.dts
@@ -346,7 +346,7 @@
max-frequency = <200000000>;
no-sdio;
no-mmc;
- sd-uhs-sdr104;
+ sd-uhs-sdr50;
vmmc-supply = <&vcc_3v3_s3>;
vqmmc-supply = <&vccio_sd_s0>;
status = "okay";

11
target/linux/rockchip/patches-6.12/135-arm64-dts-rockchip-lower-mmc-speed-for-Radxa-ROCK-4D.patch
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@ -1,11 +0,0 @@
--- a/arch/arm64/boot/dts/rockchip/rk3576-rock-4d.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3576-rock-4d.dts
@@ -771,7 +771,7 @@
max-frequency = <200000000>;
no-sdio;
no-mmc;
- sd-uhs-sdr104;
+ sd-uhs-sdr50;
vmmc-supply = <&vcc_3v3_s3>;
vqmmc-supply = <&vccio_sd_s0>;
status = "okay";