[1/4] ARM: pxa3xx: dts: Add defines for pinctrl-single,bias-pull{up,down}
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Message ID 20190422084745.9064-2-daniel@zonque.org
State New
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Series
  • ARM: pxa3xx: introduce bias-pull{up,down} pinctrl
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Commit Message

Daniel Mack April 22, 2019, 8:47 a.m. UTC
This allows users of the pinctrl driver to specify either

  pinctrl-single,bias-pullup = MPF_PULL_UP;

or

  pinctrl-single,bias-pulldown = MPF_PULL_DOWN;

To activate the pull bits in the MFP registers.

Signed-off-by: Daniel Mack <daniel@zonque.org>
---
 arch/arm/boot/dts/pxa3xx.dtsi | 8 ++++++++
 1 file changed, 8 insertions(+)

Patch
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diff --git a/arch/arm/boot/dts/pxa3xx.dtsi b/arch/arm/boot/dts/pxa3xx.dtsi
index 264f681bebd9..78512e41ed82 100644
--- a/arch/arm/boot/dts/pxa3xx.dtsi
+++ b/arch/arm/boot/dts/pxa3xx.dtsi
@@ -70,6 +70,14 @@ 
 #define MFP_DS10X	< (0x6 << 10) MFP_DSMSK >
 #define MFP_DS13X	< (0x7 << 10) MFP_DSMSK >
 
+/*
+ * MFP bias pull mode for pins.
+ * Example of use: pinctrl-single,bias-pullup = MPF_PULL_UP;
+ */
+#define MPF_PULL_MSK	(0x7 << 13)
+#define MPF_PULL_DOWN	< (0x5 << 13) (0x5 << 13) 0 MPF_PULL_MSK >
+#define MPF_PULL_UP	< (0x6 << 13) (0x6 << 13) 0 MPF_PULL_MSK >
+
 /*
  * MFP low power mode for pins.
  * Example of use: