From 12ffe75819bb18b433642b21bbb5d1be7c0a1142 Mon Sep 17 00:00:00 2001 From: Manish Narani Date: Thu, 13 Feb 2020 23:37:30 -0700 Subject: [PATCH] arm64: zynqmp: Add 'no-1-8-v' property for ZynqMP Boards Modify dts files to add 'no-1-8-v' property for all the ZynqMP boards. User can remove this property to enable the UHS mode. This is to keep the same speed (HS) modes across all the stages of the Linux Boot. Due to power cycling limitation of some of the ZynqMP boards, some SD cards don't get power cycled and are failing in Linux. Signed-off-by: Manish Narani --- arch/arm/dts/zynqmp-zc1751-xm015-dc1.dts | 5 ++++- arch/arm/dts/zynqmp-zcu102-rev1.0.dts | 4 ---- arch/arm/dts/zynqmp-zcu102-revA.dts | 6 +++++- arch/arm/dts/zynqmp-zcu106-revA.dts | 4 ++++ arch/arm/dts/zynqmp-zcu111-revA.dts | 4 ++++ arch/arm/dts/zynqmp-zcu1285-revA.dts | 4 ++++ arch/arm/dts/zynqmp-zcu208-revA.dts | 4 ++++ arch/arm/dts/zynqmp-zcu216-revA.dts | 4 ++++ 8 files changed, 29 insertions(+), 6 deletions(-) diff --git a/arch/arm/dts/zynqmp-zc1751-xm015-dc1.dts b/arch/arm/dts/zynqmp-zc1751-xm015-dc1.dts index d604cf1..d8ea557 100644 --- a/arch/arm/dts/zynqmp-zc1751-xm015-dc1.dts +++ b/arch/arm/dts/zynqmp-zc1751-xm015-dc1.dts @@ -154,7 +154,10 @@ /* SD1 with level shifter */ &sdhci1 { status = "okay"; - no-1-8-v; /* for 1.0 silicon */ + /* + * This property should be removed for supporting UHS mode + */ + no-1-8-v; xlnx,mio_bank = <1>; }; diff --git a/arch/arm/dts/zynqmp-zcu102-rev1.0.dts b/arch/arm/dts/zynqmp-zcu102-rev1.0.dts index f390137..d508f33 100644 --- a/arch/arm/dts/zynqmp-zcu102-rev1.0.dts +++ b/arch/arm/dts/zynqmp-zcu102-rev1.0.dts @@ -34,7 +34,3 @@ reg = <0xe0 0x3>; }; }; - -&sdhci1 { - /delete-property/ no-1-8-v; -}; diff --git a/arch/arm/dts/zynqmp-zcu102-revA.dts b/arch/arm/dts/zynqmp-zcu102-revA.dts index 222b67c..e63f4b9 100644 --- a/arch/arm/dts/zynqmp-zcu102-revA.dts +++ b/arch/arm/dts/zynqmp-zcu102-revA.dts @@ -655,7 +655,11 @@ /* SD1 with level shifter */ &sdhci1 { status = "okay"; - no-1-8-v; /* for 1.0 silicon */ + /* + * 1.0 revision has level shifter and this property should be + * removed for supporting UHS mode + */ + no-1-8-v; xlnx,mio_bank = <1>; }; diff --git a/arch/arm/dts/zynqmp-zcu106-revA.dts b/arch/arm/dts/zynqmp-zcu106-revA.dts index dc533f5..a5c4309 100644 --- a/arch/arm/dts/zynqmp-zcu106-revA.dts +++ b/arch/arm/dts/zynqmp-zcu106-revA.dts @@ -653,6 +653,10 @@ /* SD1 with level shifter */ &sdhci1 { status = "okay"; + /* + * This property should be removed for supporting UHS mode + */ + no-1-8-v; xlnx,mio_bank = <1>; }; diff --git a/arch/arm/dts/zynqmp-zcu111-revA.dts b/arch/arm/dts/zynqmp-zcu111-revA.dts index 1304c50..755c30e 100644 --- a/arch/arm/dts/zynqmp-zcu111-revA.dts +++ b/arch/arm/dts/zynqmp-zcu111-revA.dts @@ -567,6 +567,10 @@ &sdhci1 { status = "okay"; disable-wp; + /* + * This property should be removed for supporting UHS mode + */ + no-1-8-v; xlnx,mio_bank = <1>; }; diff --git a/arch/arm/dts/zynqmp-zcu1285-revA.dts b/arch/arm/dts/zynqmp-zcu1285-revA.dts index 8a4d5b9..d8b9cb1 100644 --- a/arch/arm/dts/zynqmp-zcu1285-revA.dts +++ b/arch/arm/dts/zynqmp-zcu1285-revA.dts @@ -241,5 +241,9 @@ &sdhci1 { status = "okay"; + /* + * This property should be removed for supporting UHS mode + */ + no-1-8-v; xlnx,mio_bank = <1>; }; diff --git a/arch/arm/dts/zynqmp-zcu208-revA.dts b/arch/arm/dts/zynqmp-zcu208-revA.dts index 7395f23..75ecd7a 100644 --- a/arch/arm/dts/zynqmp-zcu208-revA.dts +++ b/arch/arm/dts/zynqmp-zcu208-revA.dts @@ -563,6 +563,10 @@ &sdhci1 { status = "okay"; disable-wp; + /* + * This property should be removed for supporting UHS mode + */ + no-1-8-v; xlnx,mio_bank = <1>; }; diff --git a/arch/arm/dts/zynqmp-zcu216-revA.dts b/arch/arm/dts/zynqmp-zcu216-revA.dts index f08bbe3..f3b5edf 100644 --- a/arch/arm/dts/zynqmp-zcu216-revA.dts +++ b/arch/arm/dts/zynqmp-zcu216-revA.dts @@ -567,6 +567,10 @@ &sdhci1 { status = "okay"; disable-wp; + /* + * This property should be removed for supporting UHS mode + */ + no-1-8-v; xlnx,mio_bank = <1>; }; -- 2.7.4