From 973a9ba5fe489bcb323cc4f4e9ece3959dd50686 Mon Sep 17 00:00:00 2001 From: Linus Walleij Date: Sat, 5 Mar 2022 00:36:03 +0100 Subject: ARM: dts: ux500: Add GPS to Skomer device tree Signed-off-by: Linus Walleij --- arch/arm/boot/dts/ste-ux500-samsung-skomer.dts | 31 +++++++++++++++++++++++++- 1 file changed, 30 insertions(+), 1 deletion(-) (limited to 'arch/arm/boot/dts/ste-ux500-samsung-skomer.dts') diff --git a/arch/arm/boot/dts/ste-ux500-samsung-skomer.dts b/arch/arm/boot/dts/ste-ux500-samsung-skomer.dts index dcdec867f24d..81b341a5ae45 100644 --- a/arch/arm/boot/dts/ste-ux500-samsung-skomer.dts +++ b/arch/arm/boot/dts/ste-ux500-samsung-skomer.dts @@ -281,12 +281,27 @@ }; }; - /* GPF UART */ + /* GPS UART */ uart@80121000 { status = "okay"; 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 GPIO209 */ + reset-gpios = <&gpio6 17 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_skomer_default>; + /* According to /etc/sirfgps.conf */ + current-speed = <460800>; + }; }; /* Debugging console UART connected to AB8505 USB */ @@ -653,6 +668,20 @@ }; }; }; + g05ta03 { + g05ta03_skomer_default: g05ta03 { + /* Reset line, start out de-asserted */ + skomer_cfg1 { + pins = "GPIO209_AG15"; + ste,config = <&gpio_out_hi>; + }; + /* GPS_ON_OFF, start out deasserted (off) */ + skomer_cfg2 { + pins = "GPIO86_C6"; + ste,config = <&gpio_out_lo>; + }; + }; + }; }; &ab8505_gpio { -- cgit v1.2.3-59-g8ed1b