| /* |
| * Device tree config for BCM47765 GNSS chip |
| */ |
| #include <dt-bindings/gpio/gpio.h> |
| #include <dt-bindings/interrupt-controller/arm-gic.h> |
| #include <dt-bindings/interrupt-controller/irq.h> |
| #include <dt-bindings/pinctrl/samsung.h> |
| |
| /**********/ |
| /* GNSS */ |
| /**********/ |
| |
| &spi_1 { |
| #address-cells = <1>; |
| #size-cells = <0>; |
| status = "okay"; |
| pinctrl-names = "default"; |
| pinctrl-0 = <&spi1_bus &spi1_cs_func>; |
| |
| bcm4775@0 { |
| compatible = "ssp,bcm4775"; |
| reg = <0>; |
| spi-max-frequency = <26000000>; |
| spi-cpol; |
| spi-cpha; |
| |
| pinctrl-names = "default"; |
| pinctrl-0 = <&host_req_gpios &mcu_req_gpios &mcu_resp_gpios &nstandby_gpios>; |
| |
| host-req-gpios = <&gpm25 0 GPIO_ACTIVE_LOW>; /* GPS_SOC_INT_L */ |
| mcu-req-gpios = <&gpg2 1 GPIO_ACTIVE_HIGH>; /* SOC_GPS_INT_H */ |
| mcu-resp-gpios = <&gpm19 0 GPIO_ACTIVE_HIGH>; /* SOC_GPS_RDY */ |
| |
| nstandby-gpios = <&gpm18 0 GPIO_ACTIVE_LOW>; /* SOC_GPS_RST_L */ |
| |
| controller-data { |
| samsung,spi-feedback-delay = <1>; |
| samsung,spi-chip-select-mode = <0>; |
| }; |
| }; |
| }; |
| |
| &pinctrl_1 { |
| host_req_gpios: host-req-gpios { |
| samsung,pins ="gpm25-0"; |
| samsung,pin-function = <EXYNOS_PIN_FUNC_F>; |
| samsung,pin-pud = <EXYNOS_PIN_PULL_DOWN>; |
| samsung,pin-con-pdn = <EXYNOS_PIN_PDN_PREV>; |
| samsung,pin-pud-pdn = <EXYNOS_PIN_PULL_DOWN>; |
| }; |
| }; |
| |
| &pinctrl_2 { |
| mcu_resp_gpios: mcu-resp-gpios { |
| samsung,pins = "gpm19-0"; |
| samsung,pin-function = <EXYNOS_PIN_FUNC_INPUT>; |
| samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>; |
| }; |
| nstandby_gpios: nstandby-gpios { |
| samsung,pins ="gpm18-0"; |
| samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>; |
| samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>; |
| samsung,pin-con-pdn = <EXYNOS_PIN_PDN_PREV>; |
| }; |
| }; |
| |
| &pinctrl_5 { |
| mcu_req_gpios: mcu-req-gpios { |
| samsung,pins = "gpg2-1"; |
| samsung,pin-function = <EXYNOS_PIN_FUNC_OUTPUT>; |
| samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>; |
| samsung,pin-con-pdn = <EXYNOS_PIN_PDN_PREV>; |
| }; |
| }; |