Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 79236bea authored by qctecmdr's avatar qctecmdr Committed by Gerrit - the friendly Code Review server
Browse files

Merge "drivers: gnss: Add SiRFStart GNSS chip power controls"

parents 1f798049 cf8207dc

Documentation/devicetree/bindings/gnsssirf/gnss_sirf.txt

0 → 100644
+47 −0
Original line number Diff line number Diff line 
Binding for SIRF GNSS receiver control driver

GPIO pins are toggled to control GNSS receiver power states either to

wake it from sleep or put receiver into sleep mode



Required properties:

- compatible: must be "gnss_sirf"

- #gpio-pins:

      0: GPIO 18

      1: GPIO 87



Example:

	ss5_pwr_ctrl0 {

		compatible = "gnss_sirf";

		pinctrl-0 = <&ss5_pwr_ctrl_rst_on>;

		ssVreset-gpio = <&tlmm 87 1>;

		ssVonoff-gpio = <&tlmm 18 1>;

	};



	ss5_pwr_ctrl_pins: ss5_pwr_ctrl_pins {

		ss5_pwr_ctrl_rst_on: ss5_pwr_ctrl_rst_on {

			mux {

				pins = "gpio87", "gpio18";

				function = "gpio";

			};



			config {

				pins = "gpio87", "gpio18";

				drive-strength = <16>; /* 16 mA */

				bias-pull-up;

				output-high;

			};

		};



		ss5_pwr_ctrl_rst_off: ss5_pwr_ctrl_off {

			mux {

				pins = "gpio87", "gpio18";

				function = "gpio";

			};



			config {

				pins = "gpio87", "gpio18";

				drive-strength = <16>; /* 16 mA */

				bias-pull-up;

				output-high;

			};

		};

	};

Documentation/gnsssirf/gnss_sirf.txt

0 → 100644
+17 −0
Original line number Diff line number Diff line 
GNSS Driver for SiRFStar Chip

=============================



Description:

This is a driver to handle SiRFStar GNSS chip power controls, a device node

is created to interact with driver power controls and exposes set of IOCTLs.

These IOCTLs provide mechanisms to transition of GNSS receiver power state.



GPIO Usage:

  probe will provide GPIO pins information to driver to control GNSS power



Device Node Creation:

 A device node is will be created as /dev/gnss_sirf



Device Node Usage:

 Device node /dev/gnss_sirf can be used to control ON_OFF & RESET pins of

 SiRFStar GNSS receiver using exposed IOCTLS

drivers/Kconfig

+2 −0
Original line number Diff line number Diff line
@@ -71,6 +71,8 @@ source "drivers/pinctrl/Kconfig" 


source "drivers/gpio/Kconfig"



source "drivers/gnsssirf/Kconfig"



source "drivers/w1/Kconfig"



source "drivers/power/Kconfig"

drivers/Makefile

+2 −0
Original line number Diff line number Diff line
@@ -188,3 +188,5 @@ obj-$(CONFIG_TEE) += tee/ 
obj-$(CONFIG_MULTIPLEXER)	+= mux/

obj-$(CONFIG_SENSORS_SSC)	+= sensors/

obj-$(CONFIG_ESOC)              += esoc/

# GNSS driver

obj-$(CONFIG_GNSS_SIRF)		+= gnsssirf/

drivers/gnsssirf/Kconfig

0 → 100644
+11 −0
Original line number Diff line number Diff line 
#

# SIRF GNSS receiver configuration

#



menu "GNSS SIRF controls"

config GNSS_SIRF

        bool "GNSS SIRF"

        help

          Driver for ports of GNSS SIRF functionality



endmenu