diff options
Diffstat (limited to 'target/linux/mvebu/patches-3.18/017-define_and_use_common_armada_xp_spi_pinctrl_setting.patch')
| -rw-r--r-- | target/linux/mvebu/patches-3.18/017-define_and_use_common_armada_xp_spi_pinctrl_setting.patch | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/target/linux/mvebu/patches-3.18/017-define_and_use_common_armada_xp_spi_pinctrl_setting.patch b/target/linux/mvebu/patches-3.18/017-define_and_use_common_armada_xp_spi_pinctrl_setting.patch new file mode 100644 index 0000000..9085db0 --- /dev/null +++ b/target/linux/mvebu/patches-3.18/017-define_and_use_common_armada_xp_spi_pinctrl_setting.patch @@ -0,0 +1,69 @@ +From 547c653b64022618250ca9c7c30151927509ae98 Mon Sep 17 00:00:00 2001 +From: Arnaud Ebalard <arno@natisbad.org> +Date: Sat, 22 Nov 2014 00:46:39 +0100 +Subject: arm: mvebu: define and use common Armada XP SPI pinctrl setting + +This patch defines common Armada XP pinctrl settings in armada-xp.dtsi +for the supported SPI interface (MPP36-39) and use it as default +for Armada XP spi interface. That being done, it removes the now +redundant definitions in armada-xp-axpwifiap.dts. + +Note: this patch has the potential to break out-of-tree users w/o +specific pinctrl settings for their spi interfaces if the default +above does not match their config (i.e. if they do not use CS0). + +Acked-by: Andrew Lunn <andrew@lunn.ch> +Signed-off-by: Arnaud Ebalard <arno@natisbad.org> +Link: https://lkml.kernel.org/r/d404b7abd80ee5a0fd8e8d3586d33cd37740d589.1416613429.git.arno@natisbad.org +Signed-off-by: Jason Cooper <jason@lakedaemon.net> + +--- a/arch/arm/boot/dts/armada-xp-axpwifiap.dts ++++ b/arch/arm/boot/dts/armada-xp-axpwifiap.dts +@@ -100,8 +100,6 @@ + + spi0: spi@10600 { + status = "okay"; +- pinctrl-0 = <&pmx_spi>; +- pinctrl-names = "default"; + + spi-flash@0 { + #address-cells = <1>; +@@ -138,11 +136,6 @@ + marvell,function = "gpio"; + }; + +- pmx_spi: pmx-spi { +- marvell,pins = "mpp36", "mpp37", "mpp38", "mpp39"; +- marvell,function = "spi"; +- }; +- + pmx_phy_int: pmx-phy-int { + marvell,pins = "mpp32"; + marvell,function = "gpio"; +--- a/arch/arm/boot/dts/armada-xp.dtsi ++++ b/arch/arm/boot/dts/armada-xp.dtsi +@@ -43,6 +43,11 @@ + wt-override; + }; + ++ spi0: spi@10600 { ++ pinctrl-0 = <&spi0_pins>; ++ pinctrl-names = "default"; ++ }; ++ + i2c0: i2c@11000 { + compatible = "marvell,mv78230-i2c", "marvell,mv64xxx-i2c"; + reg = <0x11000 0x100>; +@@ -248,6 +253,12 @@ + marvell,function = "sd0"; + }; + ++ spi0_pins: spi0-pins { ++ marvell,pins = "mpp36", "mpp37", ++ "mpp38", "mpp39"; ++ marvell,function = "spi"; ++ }; ++ + uart2_pins: uart2-pins { + marvell,pins = "mpp42", "mpp43"; + marvell,function = "uart2"; |