input: misc: hbtp_input: Add support for multiple AFE

Add support for both HI04 and JDI/Rohm with DDIC
synchronization.

Change-Id: Ib6bddd5f43b41660304d240db39f4e273ede3af0
Signed-off-by: Alex Sarraf <asarraf@codeaurora.org>

1 files changed, 38 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/input/hbtp-input.txt b/Documentation/devicetree/bindings/input/hbtp-input.txt
index f422d75e037e..ad28952c5e7e 100644
--- a/Documentation/devicetree/bindings/input/hbtp-input.txt
+++ b/Documentation/devicetree/bindings/input/hbtp-input.txt
@@ -20,6 +20,19 @@ Optional properties:
  - qcom,dig-vtg-max	: Digital supply maximum voltage in uV
  - qcom,display-resolution	: Display resolution - maxX, maxY
  - qcom,use-scale	: boolean, enables the scaling for touch coordinates
+ - pinctrl-names	: defines pinctrl names
+			"pmx_ts_active" : Required pinctrl name.
+				This should specify active config of TS RST gpio
+			"pmx_ts_suspend" : Required pinctrl name
+				This should specify suspend config of TS RST gpio
+			"ddic_rst_active" : Required pinctrl name
+				This should specify active config of DDIC RST gpio
+			"ddic_rst_suspend" : Required pinctrl name
+				This should specify suspend config of DDIC RST gpio
+ - pinctrl-0		: pin control to be used for TS active config
+ - pinctrl-1		: pin control to be used for TS suspend config
+ - pinctrl-2		: pin control to be used for DDIC active config
+ - pinctrl-3		: pin control to be used for DDIC suspend config
 
 Optional properties if qcom,use-scale DT property is defined:
  - qcom,def-maxx	: default X-resolution of the touch panel.
@@ -29,6 +42,20 @@ Optional properties if qcom,use-scale DT property is defined:
  - qcom,des-maxy	: desired Y-resolution of the touch panel.
 			(Above two properties should be defined in pairs only)
 
+Optional Properties if pinctrl names are defined:
+ - qcom,pmx-ts-on-seq-delay-us : unsigned integer type for
+		delay after active TS RST gpio is changed
+ - qcom,fb-resume-delay-us : unsigned integer type for
+		delay in early resume framebuffer callback
+ - qcom,ddic-rst-on-seq-delay-us : array of unsigned integer type for
+		delay of each step in series of DDIC RST gpio control
+
+Optional Properties if qcom,afe-vtg and qcom,dig-vtg are defined
+ - qcom,afe-power-on-delay-us : unsigned integer type for
+		delay between turning on analog and digital power supply
+ - qcom,afe-power-off-delay-us : unsigned integer type for
+		delay between turning off digital and analog power supply
+
 Example:
 	&soc {
 		hbtp {
@@ -47,5 +74,16 @@ Example:
 			qcom,default-max-y = <1920>;
 			qcom,desired-max-x = <720>;
 			qcom,desired-max-y = <1280>;
+			pinctrl-names = "pmx_ts_active","pmx_ts_suspend",
+					"ddic_rst_active", "ddic_rst_suspend";
+			pinctrl-0 = <&ts_rst_active>;
+			pinctrl-1 = <&ts_rst_suspend>;
+			pinctrl-2 = <&ddic_rst_active>;
+			pinctrl-3 = <&ddic_rst_suspend>;
+			qcom,pmx-ts-on-seq-delay-us = <1000>;
+			qcom,ddic-rst-on-seq-delay-us = <10000 10000 10000 10000>;
+			qcom,fb-resume-delay-us = <90000>;
+			qcom,afe-power-on-delay-us = <1000>;
+			qcom,afe-power-off-delay-us = <6>;
 		};
 	};