Add SD and WiFi support for HiKey970 board based on HI3670 SoC. Due to the absence of the PMIC driver, fixed regulators are sourced to make the driver working.
Signed-off-by: Manivannan Sadhasivam <[email protected]> --- .../boot/dts/hisilicon/hi3670-hikey970.dts | 75 ++++++++++++ .../boot/dts/hisilicon/hikey970-pinctrl.dtsi | 115 ++++++++++++++++++ 2 files changed, 190 insertions(+) diff --git a/arch/arm64/boot/dts/hisilicon/hi3670-hikey970.dts b/arch/arm64/boot/dts/hisilicon/hi3670-hikey970.dts index c9775b66629f..7dac33d4fd5c 100644 --- a/arch/arm64/boot/dts/hisilicon/hi3670-hikey970.dts +++ b/arch/arm64/boot/dts/hisilicon/hi3670-hikey970.dts @@ -8,6 +8,7 @@ */ /dts-v1/; +#include <dt-bindings/gpio/gpio.h> #include "hi3670.dtsi" #include "hikey970-pinctrl.dtsi" @@ -17,6 +18,8 @@ compatible = "hisilicon,hi3670-hikey970", "hisilicon,hi3670"; aliases { + mshc1 = &dwmmc1; + mshc2 = &dwmmc2; serial0 = &uart0; serial1 = &uart1; serial2 = &uart2; @@ -35,6 +38,37 @@ /* expect bootloader to fill in this region */ reg = <0x0 0x0 0x0 0x0>; }; + + sd_1v8: regulator-1v8 { + compatible = "regulator-fixed"; + regulator-name = "fixed-1.8V"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-always-on; + }; + + sd_3v3: regulator-3v3 { + compatible = "regulator-fixed"; + regulator-name = "fixed-3.3V"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + regulator-always-on; + }; + + wlan_en: wlan-en-1-8v { + compatible = "regulator-fixed"; + regulator-name = "wlan-en-regulator"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + + /* GPIO_051_WIFI_EN */ + gpio = <&gpio6 3 0>; + + /* WLAN card specific delay */ + startup-delay-us = <70000>; + enable-active-high; + }; }; /* @@ -354,6 +388,47 @@ "GPIO_231_HDMI_INT"; }; +&dwmmc1 { + bus-width = <0x4>; + sd-uhs-sdr12; + sd-uhs-sdr25; + sd-uhs-sdr50; + sd-uhs-sdr104; + cap-sd-highspeed; + disable-wp; + cd-inverted; + cd-gpios = <&gpio25 5 GPIO_ACTIVE_HIGH>; + pinctrl-names = "default"; + pinctrl-0 = <&sd_pmx_func + &sd_clk_cfg_func + &sd_cfg_func>; + vmmc-supply = <&sd_3v3>; + vqmmc-supply = <&sd_1v8>; + status = "okay"; +}; + +&dwmmc2 { /* WIFI */ + bus-width = <0x4>; + non-removable; + broken-cd; + cap-power-off-card; + pinctrl-names = "default"; + pinctrl-0 = <&sdio_pmx_func + &sdio_clk_cfg_func + &sdio_cfg_func>; + /* WL_EN */ + vmmc-supply = <&wlan_en>; + status = "ok"; + + wlcore: wlcore@2 { + compatible = "ti,wl1837"; + reg = <2>; /* sdio func num */ + /* WL_IRQ, GPIO_177_WL_WAKEUP_AP */ + interrupt-parent = <&gpio22>; + interrupts = <1 IRQ_TYPE_EDGE_RISING>; + }; +}; + &uart0 { /* On High speed expansion header */ label = "HS-UART0"; diff --git a/arch/arm64/boot/dts/hisilicon/hikey970-pinctrl.dtsi b/arch/arm64/boot/dts/hisilicon/hikey970-pinctrl.dtsi index 67bb52d43619..d456b0aa6f58 100644 --- a/arch/arm64/boot/dts/hisilicon/hikey970-pinctrl.dtsi +++ b/arch/arm64/boot/dts/hisilicon/hikey970-pinctrl.dtsi @@ -196,6 +196,16 @@ /* pin base, nr pins & gpio function */ pinctrl-single,gpio-range = <&range 0 10 0>; + sdio_pmx_func: sdio_pmx_func { + pinctrl-single,pins = < + 0x000 MUX_M1 /* SDIO_CLK */ + 0x004 MUX_M1 /* SDIO_CMD */ + 0x008 MUX_M1 /* SDIO_DATA0 */ + 0x00c MUX_M1 /* SDIO_DATA1 */ + 0x010 MUX_M1 /* SDIO_DATA2 */ + 0x014 MUX_M1 /* SDIO_DATA3 */ + >; + }; }; pmx6: pinmux@fc182800 { @@ -203,6 +213,52 @@ reg = <0x0 0xfc182800 0x0 0x028>; #pinctrl-cells = <1>; pinctrl-single,register-width = <0x20>; + + sdio_clk_cfg_func: sdio_clk_cfg_func { + pinctrl-single,pins = < + 0x000 0x0 /* SDIO_CLK */ + >; + pinctrl-single,bias-pulldown = < + PULL_DIS + PULL_DOWN + PULL_DIS + PULL_DOWN + >; + pinctrl-single,bias-pullup = < + PULL_DIS + PULL_UP + PULL_DIS + PULL_UP + >; + pinctrl-single,drive-strength = < + DRIVE6_32MA DRIVE6_MASK + >; + }; + + sdio_cfg_func: sdio_cfg_func { + pinctrl-single,pins = < + 0x004 0x0 /* SDIO_CMD */ + 0x008 0x0 /* SDIO_DATA0 */ + 0x00c 0x0 /* SDIO_DATA1 */ + 0x010 0x0 /* SDIO_DATA2 */ + 0x014 0x0 /* SDIO_DATA3 */ + >; + pinctrl-single,bias-pulldown = < + PULL_DIS + PULL_DOWN + PULL_DIS + PULL_DOWN + >; + pinctrl-single,bias-pullup = < + PULL_UP + PULL_UP + PULL_DIS + PULL_UP + >; + pinctrl-single,drive-strength = < + DRIVE6_19MA DRIVE6_MASK + >; + }; }; pmx7: pinmux@ff37e000 { @@ -214,6 +270,17 @@ pinctrl-single,function-mask = <7>; /* pin base, nr pins & gpio function */ pinctrl-single,gpio-range = <&range 0 12 0>; + + sd_pmx_func: sd_pmx_func { + pinctrl-single,pins = < + 0x000 MUX_M1 /* SD_CLK */ + 0x004 MUX_M1 /* SD_CMD */ + 0x008 MUX_M1 /* SD_DATA0 */ + 0x00c MUX_M1 /* SD_DATA1 */ + 0x010 MUX_M1 /* SD_DATA2 */ + 0x014 MUX_M1 /* SD_DATA3 */ + >; + }; }; pmx8: pinmux@ff37e800 { @@ -221,6 +288,54 @@ reg = <0x0 0xff37e800 0x0 0x030>; #pinctrl-cells = <1>; pinctrl-single,register-width = <0x20>; + + sd_clk_cfg_func: sd_clk_cfg_func { + pinctrl-single,pins = < + 0x000 0x0 /* SD_CLK */ + >; + pinctrl-single,bias-pulldown = < + PULL_DIS + PULL_DOWN + PULL_DIS + PULL_DOWN + >; + pinctrl-single,bias-pullup = < + PULL_DIS + PULL_UP + PULL_DIS + PULL_UP + >; + pinctrl-single,drive-strength = < + DRIVE6_32MA + DRIVE6_MASK + >; + }; + + sd_cfg_func: sd_cfg_func { + pinctrl-single,pins = < + 0x004 0x0 /* SD_CMD */ + 0x008 0x0 /* SD_DATA0 */ + 0x00c 0x0 /* SD_DATA1 */ + 0x010 0x0 /* SD_DATA2 */ + 0x014 0x0 /* SD_DATA3 */ + >; + pinctrl-single,bias-pulldown = < + PULL_DIS + PULL_DOWN + PULL_DIS + PULL_DOWN + >; + pinctrl-single,bias-pullup = < + PULL_UP + PULL_UP + PULL_DIS + PULL_UP + >; + pinctrl-single,drive-strength = < + DRIVE6_19MA + DRIVE6_MASK + >; + }; }; pmx1: pinmux@fff11000 { -- 2.17.1
