From: Linus Walleij <linus.walleij@linaro.org>
Date: Thu, 14 Apr 2022 21:40:16 +0000 (+0200)
Subject: ARM: dts: ux500: Add GPS to the Codina
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=49148f4c39f04cb7bcfc1f42c3051d9ef8655fba;p=linux.git

ARM: dts: ux500: Add GPS to the Codina

The Codina has a Broadcom BCM4751 GPS chip.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
---

diff --git a/arch/arm/boot/dts/ste-ux500-samsung-codina.dts b/arch/arm/boot/dts/ste-ux500-samsung-codina.dts
index 0b7bb54aa24da..b6746ac167bc1 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 @@
 		uart@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) */
@@ -883,6 +893,20 @@
 			};
 		};
 	};
+	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 {