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linux
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>
authored by
Fabio Estevam
and committed by
Shawn Guo
dca97cee
ef69728f
+103
+103
arch/arm/boot/dts/imx6qdl-microsom.dtsi
+103
arch/arm/boot/dts/imx6qdl-microsom.dtsi
···
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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+
#include <dt-bindings/gpio/gpio.h>
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/ {
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clk_sdio: sdio-clock {
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compatible = "gpio-gate-clock";
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#clock-cells = <0>;
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_microsom_brcm_osc>;
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enable-gpios = <&gpio5 5 GPIO_ACTIVE_HIGH>;
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};
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+
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regulators {
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compatible = "simple-bus";
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+
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reg_brcm: brcm-reg {
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compatible = "regulator-fixed";
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enable-active-high;
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gpio = <&gpio3 19 0>;
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_microsom_brcm_reg>;
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regulator-name = "brcm_reg";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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startup-delay-us = <200000>;
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};
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};
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usdhc1_pwrseq: usdhc1_pwrseq {
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compatible = "mmc-pwrseq-simple";
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reset-gpios = <&gpio5 26 GPIO_ACTIVE_LOW>,
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<&gpio6 0 GPIO_ACTIVE_LOW>;
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clocks = <&clk_sdio>;
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clock-names = "ext_clock";
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};
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};
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&iomuxc {
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microsom {
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pinctrl_microsom_brcm_bt: microsom-brcm-bt {
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fsl,pins = <
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MX6QDL_PAD_CSI0_DAT14__GPIO6_IO00 0x40013070
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MX6QDL_PAD_CSI0_DAT15__GPIO6_IO01 0x40013070
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MX6QDL_PAD_CSI0_DAT18__GPIO6_IO04 0x40013070
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>;
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};
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pinctrl_microsom_brcm_osc: microsom-brcm-osc {
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fsl,pins = <
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MX6QDL_PAD_DISP0_DAT11__GPIO5_IO05 0x40013070
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>;
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};
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pinctrl_microsom_brcm_reg: microsom-brcm-reg {
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fsl,pins = <
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MX6QDL_PAD_EIM_D19__GPIO3_IO19 0x40013070
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>;
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};
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pinctrl_microsom_brcm_wifi: microsom-brcm-wifi {
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fsl,pins = <
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MX6QDL_PAD_GPIO_8__XTALOSC_REF_CLK_32K 0x1b0b0
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MX6QDL_PAD_CSI0_DATA_EN__GPIO5_IO20 0x40013070
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MX6QDL_PAD_CSI0_DAT8__GPIO5_IO26 0x40013070
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MX6QDL_PAD_CSI0_DAT9__GPIO5_IO27 0x40013070
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>;
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};
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pinctrl_microsom_uart1: microsom-uart1 {
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fsl,pins = <
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MX6QDL_PAD_CSI0_DAT10__UART1_TX_DATA 0x1b0b1
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MX6QDL_PAD_CSI0_DAT11__UART1_RX_DATA 0x1b0b1
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>;
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};
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pinctrl_microsom_uart4: microsom-uart4 {
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fsl,pins = <
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MX6QDL_PAD_CSI0_DAT12__UART4_TX_DATA 0x1b0b1
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MX6QDL_PAD_CSI0_DAT13__UART4_RX_DATA 0x1b0b1
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MX6QDL_PAD_CSI0_DAT16__UART4_RTS_B 0x1b0b1
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MX6QDL_PAD_CSI0_DAT17__UART4_CTS_B 0x1b0b1
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>;
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};
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pinctrl_microsom_usdhc1: microsom-usdhc1 {
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fsl,pins = <
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MX6QDL_PAD_SD1_CMD__SD1_CMD 0x17059
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MX6QDL_PAD_SD1_CLK__SD1_CLK 0x10059
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MX6QDL_PAD_SD1_DAT0__SD1_DATA0 0x17059
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MX6QDL_PAD_SD1_DAT1__SD1_DATA1 0x17059
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MX6QDL_PAD_SD1_DAT2__SD1_DATA2 0x17059
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MX6QDL_PAD_SD1_DAT3__SD1_DATA3 0x17059
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>;
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};
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};
···
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&uart1 {
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_microsom_uart1>;
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status = "okay";
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};
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/* UART4 - Connected to optional BRCM Wifi/BT/FM */
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&uart4 {
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_microsom_brcm_bt &pinctrl_microsom_uart4>;
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fsl,uart-has-rtscts;
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status = "okay";
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};
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/* USDHC1 - Connected to optional BRCM Wifi/BT/FM */
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&usdhc1 {
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pinctrl-names = "default";
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pinctrl-0 = <&pinctrl_microsom_brcm_wifi &pinctrl_microsom_usdhc1>;
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bus-width = <4>;
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mmc-pwrseq = <&usdhc1_pwrseq>;
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keep-power-in-suspend;
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non-removable;
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vmmc-supply = <®_brcm>;
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status = "okay";
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};