[PATCH] ARM: dts: ux500: Add GPS to the Codina
Linus Walleij
linus.walleij at linaro.org
Tue Apr 26 14:17:23 PDT 2022
The Codina has a Broadcom BCM4751 GPS chip.
Signed-off-by: Linus Walleij <linus.walleij at linaro.org>
---
.../arm/boot/dts/ste-ux500-samsung-codina.dts | 32 ++++++++++++++++---
1 file changed, 28 insertions(+), 4 deletions(-)
diff --git a/arch/arm/boot/dts/ste-ux500-samsung-codina.dts b/arch/arm/boot/dts/ste-ux500-samsung-codina.dts
index 3d8da98f16b2..fe960751a9af 100644
--- a/arch/arm/boot/dts/ste-ux500-samsung-codina.dts
+++ b/arch/arm/boot/dts/ste-ux500-samsung-codina.dts
@@ -480,10 +480,20 @@ bluetooth {
uart at 80121000 {
status = "okay";
pinctrl-names = "default", "sleep";
- /* CTS/RTS is not used, CTS is repurposed as GPIO */
- pinctrl-0 = <&u1rxtx_a_1_default>;
- pinctrl-1 = <&u1rxtx_a_1_sleep>;
- /* FIXME: add a device for the GPS here */
+ pinctrl-0 = <&u1rxtx_a_1_default &u1ctsrts_a_1_default>;
+ pinctrl-1 = <&u1rxtx_a_1_sleep &u1ctsrts_a_1_sleep>;
+
+ gnss {
+ compatible = "brcm,bcm4751";
+ /* GPS_RSTN on GPIO21 */
+ reset-gpios = <&gpio0 21 GPIO_ACTIVE_LOW>;
+ /* GPS_ON_OFF on GPIO86 */
+ enable-gpios = <&gpio2 22 GPIO_ACTIVE_HIGH>;
+ /* GPS_1V8 (VSMPS2) */
+ vddio-supply = <&db8500_vsmps2_reg>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&bcm4751_codina_default>;
+ };
};
/* Debugging console UART connected to TSU6111RSVR (FSA880) */
@@ -879,6 +889,20 @@ codina_cfg2 {
};
};
};
+ bcm4751 {
+ bcm4751_codina_default: bcm4751_codina {
+ /* Reset line, start out asserted */
+ codina_cfg1 {
+ pins = "GPIO21_AB3";
+ ste,config = <&gpio_out_lo>;
+ };
+ /* GPS_ON_OFF, start out deasserted (off) */
+ codina_cfg2 {
+ pins = "GPIO86_C6";
+ ste,config = <&gpio_out_lo>;
+ };
+ };
+ };
vibrator {
vibrator_default: vibrator_default {
codina_cfg1 {
--
2.35.1
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