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authorFabio Estevam <fabio.estevam@freescale.com>2015-05-11 12:38:33 -0300
committerShawn Guo <shawn.guo@linaro.org>2015-06-03 15:04:00 +0800
commitdca97cee92736e1c48f6c2ecb543200d1353373e (patch)
tree689295aa39852a0421ae639b53d103e3d1e13a36 /arch/arm
parentef69728f2fe52ec5786c28b1b4fa68689942ad19 (diff)
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>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/boot/dts/imx6qdl-microsom.dtsi103
1 files changed, 103 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/imx6qdl-microsom.dtsi b/arch/arm/boot/dts/imx6qdl-microsom.dtsi
index 349f82be816e..ec6c7c7a406f 100644
--- a/arch/arm/boot/dts/imx6qdl-microsom.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-microsom.dtsi
@@ -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";
+};