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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: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Tested-by: Jon Nettleton <jon@solid-run.com>
Tested-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
This commit is contained in:
Fabio Estevam 2015-05-11 12:38:33 -03:00 committed by Shawn Guo
parent ef69728f2f
commit dca97cee92
1 changed files with 103 additions and 0 deletions
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103
arch/arm/boot/dts/imx6qdl-microsom.dtsi
View File

@ -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";
};