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Restore eMMC HS400 on Helios64 (#2677)

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* slightly reduce eMMC clock to improve signal integrity
* restore eMMC HS400 ES support
This commit is contained in:
Aditya Prayoga 2021-03-03 09:12:38 +07:00 committed by GitHub
parent 3d8e537a48
commit 4bda055a9b
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 8 additions and 2 deletions
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5
patch/kernel/rockchip64-current/add-board-helios64.patch
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@ -14,7 +14,7 @@ new file mode 100644
index 000000000..fae17f416
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/rk3399-kobol-helios64.dts
@@ -0,0 +1,1150 @@
@@ -0,0 +1,1153 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2020 Aditya Prayoga (aditya@kobol.io)
@ -981,8 +981,11 @@ index 000000000..fae17f416
+};
+
+&sdhci {
+ assigned-clock-rates = <150000000>;
+ bus-width = <8>;
+ mmc-hs200-1_8v;
+ mmc-hs400-1_8v;
+ mmc-hs400-enhanced-strobe;
+ supports-emmc;
+ non-removable;
+ disable-wp;

5
patch/u-boot/u-boot-rockchip64-mainline/add-board-helios64.patch
View File

@ -188,7 +188,7 @@ new file mode 100644
index 00000000..9d067505
--- /dev/null
+++ b/arch/arm/dts/rk3399-kobol-helios64.dts
@@ -0,0 +1,1146 @@
@@ -0,0 +1,1149 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2020 Aditya Prayoga (aditya@kobol.io)
@ -1158,8 +1158,11 @@ index 00000000..9d067505
+};
+
+&sdhci {
+ assigned-clock-rates = <150000000>;
+ bus-width = <8>;
+ mmc-hs200-1_8v;
+ mmc-hs400-1_8v;
+ mmc-hs400-enhanced-strobe;
+ supports-emmc;
+ non-removable;
+ status = "okay";