Re: [PATCH 7/8] ARM64: dts: meson-gxl-p23x: Add SD/SDIO/MMC and PWM nodes
From: Kevin Hilman <hidden>
Date: 2016-11-07 19:05:47
Also in:
linux-amlogic, linux-arm-kernel, lkml
Neil Armstrong [off-list ref] writes:
Add SD/SDIO/MMC nodes and PWM 32768Hz clock configuration to provide storage and WiFi functionality on the p23x boards.
Just curious... what storage functionality are you referring to here? Kevin
quoted hunk
Signed-off-by: Neil Armstrong <narmstrong-rdvid1DuHRBWk0Htik3J/w@public.gmane.org> --- .../boot/dts/amlogic/meson-gxl-s905d-p23x.dtsi | 112 +++++++++++++++++++++ 1 file changed, 112 insertions(+)diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl-s905d-p23x.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxl-s905d-p23x.dtsi index 666fe2b..7830809 100644 --- a/arch/arm64/boot/dts/amlogic/meson-gxl-s905d-p23x.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-gxl-s905d-p23x.dtsi@@ -56,6 +56,46 @@ device_type = "memory"; reg = <0x0 0x0 0x0 0x80000000>; }; + + vddio_boot: regulator-vddio_boot { + compatible = "regulator-fixed"; + regulator-name = "VDDIO_BOOT"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + }; + + vddao_3v3: regulator-vddao_3v3 { + compatible = "regulator-fixed"; + regulator-name = "VDDAO_3V3"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + }; + + vcc_3v3: regulator-vcc_3v3 { + compatible = "regulator-fixed"; + regulator-name = "VCC_3V3"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + }; + + emmc_pwrseq: emmc-pwrseq { + compatible = "mmc-pwrseq-emmc"; + reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>; + }; + + wifi32k: wifi32k { + compatible = "pwm-clock"; + #clock-cells = <0>; + clock-frequency = <32768>; + pwms = <&pwm_ef 0 30518 0>; /* PWM_E at 32.768KHz */ + }; + + sdio_pwrseq: sdio-pwrseq { + compatible = "mmc-pwrseq-simple"; + reset-gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>; + clocks = <&wifi32k>; + clock-names = "ext_clock"; + }; }; /* This UART is brought out to the DB9 connector */@@ -64,3 +104,75 @@ pinctrl-0 = <&uart_ao_a_pins>; pinctrl-names = "default"; }; + +/* Wireless SDIO Module */ +&sd_emmc_a { + status = "okay"; + pinctrl-0 = <&sdio_pins>; + pinctrl-names = "default"; + #address-cells = <1>; + #size-cells = <0>; + + bus-width = <4>; + cap-sd-highspeed; + max-frequency = <100000000>; + + non-removable; + disable-wp; + + mmc-pwrseq = <&sdio_pwrseq>; + + vmmc-supply = <&vddao_3v3>; + vqmmc-supply = <&vddio_boot>; + + brcmf: bcrmf@1 { + reg = <1>; + compatible = "brcm,bcm4329-fmac"; + }; +}; + +/* SD card */ +&sd_emmc_b { + status = "okay"; + pinctrl-0 = <&sdcard_pins>; + pinctrl-names = "default"; + + bus-width = <4>; + cap-sd-highspeed; + max-frequency = <100000000>; + disable-wp; + + cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_HIGH>; + cd-inverted; + + vmmc-supply = <&vddao_3v3>; + vqmmc-supply = <&vddio_boot>; +}; + +/* eMMC */ +&sd_emmc_c { + status = "okay"; + pinctrl-0 = <&emmc_pins>; + pinctrl-names = "default"; + + bus-width = <8>; + cap-sd-highspeed; + cap-mmc-highspeed; + max-frequency = <200000000>; + non-removable; + disable-wp; + mmc-ddr-1_8v; + mmc-hs200-1_8v; + + mmc-pwrseq = <&emmc_pwrseq>; + vmmc-supply = <&vcc_3v3>; + vqmmc-supply = <&vddio_boot>; +}; + +&pwm_ef { + status = "okay"; + pinctrl-0 = <&pwm_e_pins>; + pinctrl-names = "default"; + clocks = <&clkc CLKID_FCLK_DIV4>; + clock-names = "clkin0"; +};
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