[PATCH] ARM: dts: ux500: Add GPS to the Kyle
Linus Walleij
linus.walleij at linaro.org
Tue Jun 7 14:04:55 PDT 2022
This adds the GPS chip to the Kyle device tree.
Signed-off-by: Linus Walleij <linus.walleij at linaro.org>
---
arch/arm/boot/dts/ste-ux500-samsung-kyle.dts | 29 ++++++++++++++++++++
1 file changed, 29 insertions(+)
diff --git a/arch/arm/boot/dts/ste-ux500-samsung-kyle.dts b/arch/arm/boot/dts/ste-ux500-samsung-kyle.dts
index c57676faf181..e6a7d608e326 100644
--- a/arch/arm/boot/dts/ste-ux500-samsung-kyle.dts
+++ b/arch/arm/boot/dts/ste-ux500-samsung-kyle.dts
@@ -307,6 +307,21 @@ uart at 80121000 {
pinctrl-names = "default", "sleep";
pinctrl-0 = <&u1rxtx_a_1_default &u1ctsrts_a_1_default>;
pinctrl-1 = <&u1rxtx_a_1_sleep &u1ctsrts_a_1_sleep>;
+
+ gnss {
+ /* The CSRG05TA03-ICJE-R is a SirfStarV 5t chip */
+ compatible = "csr,csrg05ta03-icje-r";
+ /* GPS_RSTN on GPIO21 */
+ reset-gpios = <&gpio0 21 GPIO_ACTIVE_LOW>;
+ /* GPS_ON_OFF on GPIO86 */
+ sirf,onoff-gpios = <&gpio2 22 GPIO_ACTIVE_HIGH>;
+ /* GPS_1V8 (VSMPS2) */
+ vcc-supply = <&db8500_vsmps2_reg>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&g05ta03_kyle_default>;
+ /* According to /etc/sirfgps.conf */
+ current-speed = <460800>;
+ };
};
/* Debugging console UART connected to AB8505 USB */
@@ -666,6 +681,20 @@ kyle_cfg1 {
};
};
};
+ g05ta03 {
+ g05ta03_kyle_default: g05ta03 {
+ /* Reset line, start out de-asserted */
+ kyle_cfg1 {
+ pins = "GPIO21_AB3";
+ ste,config = <&gpio_out_hi>;
+ };
+ /* GPS_ON_OFF, start out deasserted (off) */
+ kyle_cfg2 {
+ pins = "GPIO86_C6";
+ ste,config = <&gpio_out_lo>;
+ };
+ };
+ };
};
&ab8505_gpio {
--
2.36.1
More information about the linux-arm-kernel
mailing list