diff options
Diffstat (limited to 'target/linux/sunxi/patches-3.13/173-6-dt-sun7i-fixup-mmc.patch')
| -rw-r--r-- | target/linux/sunxi/patches-3.13/173-6-dt-sun7i-fixup-mmc.patch | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/target/linux/sunxi/patches-3.13/173-6-dt-sun7i-fixup-mmc.patch b/target/linux/sunxi/patches-3.13/173-6-dt-sun7i-fixup-mmc.patch new file mode 100644 index 0000000000..c1784e3c44 --- /dev/null +++ b/target/linux/sunxi/patches-3.13/173-6-dt-sun7i-fixup-mmc.patch @@ -0,0 +1,73 @@ +From e48e7ba7f97e883a24036df04cb474cf7cd22574 Mon Sep 17 00:00:00 2001 +From: Hans de Goede <hdegoede@redhat.com> +Date: Mon, 17 Feb 2014 17:16:08 +0100 +Subject: [PATCH] ARM: sun7i: dt: Fixup mmc bindings + +1) Now that we're no longer overriding the caps set by mmc_of_parse we need +to set cd-inverted for our card detection to work. + +2) Now that we no longer claim UHS modes support we will never use any DDR +modes, so drive-strength 2 is enough for the mmc data pins. + +Signed-off-by: Hans de Goede <hdegoede@redhat.com> +--- + arch/arm/boot/dts/sun7i-a20.dtsi | 8 ++++++-- + 1 file changed, 6 insertions(+), 2 deletions(-) + +diff --git a/arch/arm/boot/dts/sun7i-a20.dtsi b/arch/arm/boot/dts/sun7i-a20.dtsi +index 3bc6ac5..f4ecd79 100644 +--- a/arch/arm/boot/dts/sun7i-a20.dtsi ++++ b/arch/arm/boot/dts/sun7i-a20.dtsi +@@ -399,6 +399,7 @@ + clock-names = "ahb", "mod"; + interrupts = <0 32 4>; + bus-width = <4>; ++ cd-inverted; + status = "disabled"; + }; + +@@ -409,6 +410,7 @@ + clock-names = "ahb", "mod"; + interrupts = <0 33 4>; + bus-width = <4>; ++ cd-inverted; + status = "disabled"; + }; + +@@ -419,6 +421,7 @@ + clock-names = "ahb", "mod"; + interrupts = <0 34 4>; + bus-width = <4>; ++ cd-inverted; + status = "disabled"; + }; + +@@ -429,6 +432,7 @@ + clock-names = "ahb", "mod"; + interrupts = <0 35 4>; + bus-width = <4>; ++ cd-inverted; + status = "disabled"; + }; + +@@ -554,7 +558,7 @@ + mmc0_pins_a: mmc0@0 { + allwinner,pins = "PF0","PF1","PF2","PF3","PF4","PF5"; + allwinner,function = "mmc0"; +- allwinner,drive = <3>; ++ allwinner,drive = <2>; + allwinner,pull = <0>; + }; + +@@ -568,7 +572,7 @@ + mmc3_pins_a: mmc3@0 { + allwinner,pins = "PI4","PI5","PI6","PI7","PI8","PI9"; + allwinner,function = "mmc3"; +- allwinner,drive = <3>; ++ allwinner,drive = <2>; + allwinner,pull = <0>; + }; + }; +-- +1.8.5.5 + |