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Commit dca97cee authored by Fabio Estevam's avatar Fabio Estevam Committed by Shawn Guo
Browse files

ARM: dts: cubox-i: add support for Broadcom Wifi/Bluetooth devices 



Add DT support for the Broadcom Wifi/Bluetooth devices found on the
microsom board.

[Modified original Russell King's patch to use mmc-pwrseq]

Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: default avatarFabio Estevam <fabio.estevam@freescale.com>
Tested-by: default avatarJon Nettleton <jon@solid-run.com>
Tested-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: default avatarShawn Guo <shawn.guo@linaro.org>
parent ef69728f

arch/arm/boot/dts/imx6qdl-microsom.dtsi

+103 −0
Original line number Diff line number Diff line
@@ -39,15 +39,98 @@ 
 *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR

 *     OTHER DEALINGS IN THE SOFTWARE.

 */

#include <dt-bindings/gpio/gpio.h>

/ {

	clk_sdio: sdio-clock {

		compatible = "gpio-gate-clock";

		#clock-cells = <0>;

		pinctrl-names = "default";

		pinctrl-0 = <&pinctrl_microsom_brcm_osc>;

		enable-gpios = <&gpio5 5 GPIO_ACTIVE_HIGH>;

	};



	regulators {

		compatible = "simple-bus";



		reg_brcm: brcm-reg {

			compatible = "regulator-fixed";

			enable-active-high;

			gpio = <&gpio3 19 0>;

			pinctrl-names = "default";

			pinctrl-0 = <&pinctrl_microsom_brcm_reg>;

			regulator-name = "brcm_reg";

			regulator-min-microvolt = <3300000>;

			regulator-max-microvolt = <3300000>;

			startup-delay-us = <200000>;

		};

	};



	usdhc1_pwrseq: usdhc1_pwrseq {

		compatible = "mmc-pwrseq-simple";

		reset-gpios = <&gpio5 26 GPIO_ACTIVE_LOW>,

			      <&gpio6 0 GPIO_ACTIVE_LOW>;

		clocks = <&clk_sdio>;

		clock-names = "ext_clock";

	};

};



&iomuxc {

	microsom {

		pinctrl_microsom_brcm_bt: microsom-brcm-bt {

			fsl,pins = <

				MX6QDL_PAD_CSI0_DAT14__GPIO6_IO00	0x40013070

				MX6QDL_PAD_CSI0_DAT15__GPIO6_IO01	0x40013070

				MX6QDL_PAD_CSI0_DAT18__GPIO6_IO04	0x40013070

			>;

		};



		pinctrl_microsom_brcm_osc: microsom-brcm-osc {

			fsl,pins = <

				MX6QDL_PAD_DISP0_DAT11__GPIO5_IO05	0x40013070

			>;

		};



		pinctrl_microsom_brcm_reg: microsom-brcm-reg {

			fsl,pins = <

				MX6QDL_PAD_EIM_D19__GPIO3_IO19		0x40013070

			>;

		};



		pinctrl_microsom_brcm_wifi: microsom-brcm-wifi {

			fsl,pins = <

				MX6QDL_PAD_GPIO_8__XTALOSC_REF_CLK_32K	0x1b0b0

				MX6QDL_PAD_CSI0_DATA_EN__GPIO5_IO20	0x40013070

				MX6QDL_PAD_CSI0_DAT8__GPIO5_IO26	0x40013070

				MX6QDL_PAD_CSI0_DAT9__GPIO5_IO27	0x40013070

			>;

		};



		pinctrl_microsom_uart1: microsom-uart1 {

			fsl,pins = <

				MX6QDL_PAD_CSI0_DAT10__UART1_TX_DATA	0x1b0b1

				MX6QDL_PAD_CSI0_DAT11__UART1_RX_DATA	0x1b0b1

			>;

		};



		pinctrl_microsom_uart4: microsom-uart4 {

			fsl,pins = <

				MX6QDL_PAD_CSI0_DAT12__UART4_TX_DATA 0x1b0b1

				MX6QDL_PAD_CSI0_DAT13__UART4_RX_DATA 0x1b0b1

				MX6QDL_PAD_CSI0_DAT16__UART4_RTS_B 0x1b0b1

				MX6QDL_PAD_CSI0_DAT17__UART4_CTS_B 0x1b0b1

			>;

		};



		pinctrl_microsom_usdhc1: microsom-usdhc1 {

			fsl,pins = <

				MX6QDL_PAD_SD1_CMD__SD1_CMD    0x17059

				MX6QDL_PAD_SD1_CLK__SD1_CLK    0x10059

				MX6QDL_PAD_SD1_DAT0__SD1_DATA0 0x17059

				MX6QDL_PAD_SD1_DAT1__SD1_DATA1 0x17059

				MX6QDL_PAD_SD1_DAT2__SD1_DATA2 0x17059

				MX6QDL_PAD_SD1_DAT3__SD1_DATA3 0x17059

			>;

		};

	};

};
@@ -56,3 +139,23 @@ 
	pinctrl-0 = <&pinctrl_microsom_uart1>;

	status = "okay";

};



/* UART4 - Connected to optional BRCM Wifi/BT/FM */

&uart4 {

	pinctrl-names = "default";

	pinctrl-0 = <&pinctrl_microsom_brcm_bt &pinctrl_microsom_uart4>;

	fsl,uart-has-rtscts;

	status = "okay";

};



/* USDHC1 - Connected to optional BRCM Wifi/BT/FM */

&usdhc1 {

	pinctrl-names = "default";

	pinctrl-0 = <&pinctrl_microsom_brcm_wifi &pinctrl_microsom_usdhc1>;

	bus-width = <4>;

	mmc-pwrseq = <&usdhc1_pwrseq>;

	keep-power-in-suspend;

	non-removable;

	vmmc-supply = <&reg_brcm>;

	status = "okay";

};