diff options
Diffstat (limited to 'target/linux/imx/patches-5.4/009-v5.8-ARM-dts-imx6qdl-gw5910-add-support-for-bcm4330-bt.patch')
| -rw-r--r-- | target/linux/imx/patches-5.4/009-v5.8-ARM-dts-imx6qdl-gw5910-add-support-for-bcm4330-bt.patch | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/target/linux/imx/patches-5.4/009-v5.8-ARM-dts-imx6qdl-gw5910-add-support-for-bcm4330-bt.patch b/target/linux/imx/patches-5.4/009-v5.8-ARM-dts-imx6qdl-gw5910-add-support-for-bcm4330-bt.patch new file mode 100644 index 0000000000..545a6fddd5 --- /dev/null +++ b/target/linux/imx/patches-5.4/009-v5.8-ARM-dts-imx6qdl-gw5910-add-support-for-bcm4330-bt.patch @@ -0,0 +1,82 @@ +From d40edafe80569c5b4d8893c1cdd1060c54ef433c Mon Sep 17 00:00:00 2001 +From: Tim Harvey <tharvey@gateworks.com> +Date: Tue, 12 May 2020 14:54:15 -0700 +Subject: [PATCH 07/20] ARM: dts: imx6qdl-gw5910: add support for bcm4330-bt + +The Sterling-LWB has a BCM4330 which has a UART based bluetooth +HCI. Add support for binding to the bcm_hci driver to take care +of handling the shutdown gpio and loading firmware. + +Because the shutdown gpio is more of an enable than a regulator +go ahead and replace the regulator with a shutdown-gpio. + +Signed-off-by: Tim Harvey <tharvey@gateworks.com> +Signed-off-by: Shawn Guo <shawnguo@kernel.org> +--- + arch/arm/boot/dts/imx6qdl-gw5910.dtsi | 32 ++++++++++++-------------------- + 1 file changed, 12 insertions(+), 20 deletions(-) + +--- a/arch/arm/boot/dts/imx6qdl-gw5910.dtsi ++++ b/arch/arm/boot/dts/imx6qdl-gw5910.dtsi +@@ -81,19 +81,6 @@ + regulator-max-microvolt = <3300000>; + regulator-always-on; + }; +- +- reg_bt: regulator-bt { +- pinctrl-names = "default"; +- pinctrl-0 = <&pinctrl_reg_bt>; +- compatible = "regulator-fixed"; +- regulator-name = "bt"; +- gpio = <&gpio1 2 GPIO_ACTIVE_HIGH>; +- startup-delay-us = <100>; +- enable-active-high; +- regulator-min-microvolt = <3300000>; +- regulator-max-microvolt = <3300000>; +- regulator-always-on; +- }; + }; + + +@@ -229,9 +216,14 @@ + /* Sterling-LWB Bluetooth */ + &uart4 { + pinctrl-names = "default"; +- pinctrl-0 = <&pinctrl_uart4>; ++ pinctrl-0 = <&pinctrl_uart4>,<&pinctrl_bten>; + uart-has-rtscts; + status = "okay"; ++ ++ bluetooth { ++ compatible = "brcm,bcm4330-bt"; ++ shutdown-gpios = <&gpio1 2 GPIO_ACTIVE_HIGH>; ++ }; + }; + + /* GPS */ +@@ -286,6 +278,12 @@ + >; + }; + ++ pinctrl_bten: btengrp { ++ fsl,pins = < ++ MX6QDL_PAD_GPIO_2__GPIO1_IO02 0x1b0b1 ++ >; ++ }; ++ + pinctrl_ecspi3: escpi3grp { + fsl,pins = < + MX6QDL_PAD_DISP0_DAT0__ECSPI3_SCLK 0x100b1 +@@ -391,12 +389,6 @@ + >; + }; + +- pinctrl_reg_bt: regbtgrp { +- fsl,pins = < +- MX6QDL_PAD_GPIO_2__GPIO1_IO02 0x1b0b1 +- >; +- }; +- + pinctrl_reg_wl: regwlgrp { + fsl,pins = < + MX6QDL_PAD_GPIO_5__GPIO1_IO05 0x1b0b1 |