diff options
| -rw-r--r-- | arch/arm/boot/dts/ste-ux500-samsung-janice.dts | 48 |
1 files changed, 18 insertions, 30 deletions
diff --git a/arch/arm/boot/dts/ste-ux500-samsung-janice.dts b/arch/arm/boot/dts/ste-ux500-samsung-janice.dts index 7411bfeda285..f24369873ce2 100644 --- a/arch/arm/boot/dts/ste-ux500-samsung-janice.dts +++ b/arch/arm/boot/dts/ste-ux500-samsung-janice.dts @@ -135,21 +135,22 @@ /* * This regulator is a GPIO line that drives the Broadcom WLAN - * line BT_VREG_EN high and enables the internal regulators - * inside the chip. + * line WL_REG_ON high and enables the internal regulators + * inside the chip. Unfortunatley it is erroneously named + * WLAN_RST_N on the schematic but it is not a reset line. * * The voltage specified here is only used to determine the OCR mask, * the for the SDIO connector, the chip is actually connected * directly to VBAT. */ - wl_bt_reg: regulator-gpio-wlan { + wl_reg: regulator-gpio-wlan { compatible = "regulator-fixed"; - regulator-name = "BT_VREG_EN"; + regulator-name = "WL_REG_ON"; regulator-min-microvolt = <3000000>; regulator-max-microvolt = <3000000>; startup-delay-us = <100000>; - /* GPIO222 (BT_VREG_EN) */ - gpio = <&gpio6 30 GPIO_ACTIVE_HIGH>; + /* GPIO215 (WLAN_RST_N to WL_REG_ON) */ + gpio = <&gpio6 23 GPIO_ACTIVE_HIGH>; enable-active-high; pinctrl-names = "default"; pinctrl-0 = <&wlan_ldo_en_default>; @@ -390,11 +391,10 @@ pinctrl-1 = <&mc1_a_2_sleep>; /* * GPIO-controlled voltage enablement: this drives - * the BT_VREG_EN line high when we use this device. - * Represented as regulator to fill OCR mask and to - * be usable in parallel with the Bluetooth chip. + * the WL_REG_ON line high when we use this device. + * Represented as regulator to fill OCR mask. */ - vmmc-supply = <&wl_bt_reg>; + vmmc-supply = <&wl_reg>; #address-cells = <1>; #size-cells = <0>; @@ -408,9 +408,6 @@ interrupt-parent = <&gpio6>; interrupts = <24 IRQ_TYPE_EDGE_FALLING>; interrupt-names = "host-wake"; - /* GPIO215 WLAN_RST_N */ - /* FIXME: kernel does not use this assert/deassert */ - reset-gpios = <&gpio6 23 GPIO_ACTIVE_LOW>; pinctrl-names = "default"; pinctrl-0 = <&wlan_default_mode>; }; @@ -440,15 +437,8 @@ bluetooth { compatible = "brcm,bcm4330-bt"; - /* - * We actually have shutdown-gpios, BT_VREG_EN on GPIO222, - * but since this GPIO is shared with the WLAN chip, we need - * to reference the regulator instead. The regulator - * framework will reference count the GPIO usage and - * make sure we can use the same GPIO for several supplies. - */ - // shutdown-gpios = <&gpio6 30 GPIO_ACTIVE_HIGH>; - vbat-supply = <&wl_bt_reg>; + /* GPIO222 rail BT_VREG_EN to BT_REG_ON */ + shutdown-gpios = <&gpio6 30 GPIO_ACTIVE_HIGH>; /* BT_WAKE on GPIO199 */ device-wakeup-gpios = <&gpio6 7 GPIO_ACTIVE_HIGH>; /* BT_HOST_WAKE on GPIO97 */ @@ -759,9 +749,9 @@ /* GPIO that enables the WLAN internal LDO regulators */ wlan-ldo { wlan_ldo_en_default: wlan_ldo_default { - /* GPIO222 BT_VREG_ON */ + /* GPIO215 named WLAN_RST_N */ janice_cfg1 { - pins = "GPIO222_AJ9"; + pins = "GPIO215_AH13"; ste,config = <&gpio_out_lo>; }; }; @@ -875,11 +865,6 @@ }; wlan { wlan_default_mode: wlan_default { - /* GPIO215 used for RESET_N */ - janice_cfg1 { - pins = "GPIO215_AH13"; - ste,config = <&gpio_out_lo>; - }; /* GPIO216 for WL_HOST_WAKE */ janice_cfg2 { pins = "GPIO216_AG12"; @@ -889,14 +874,17 @@ }; bluetooth { bluetooth_default_mode: bluetooth_default { + /* GPIO199 BT_WAKE and GPIO222 BT_VREG_ON */ janice_cfg1 { - pins = "GPIO199_AH23"; + pins = "GPIO199_AH23", "GPIO222_AJ9"; ste,config = <&gpio_out_lo>; }; + /* GPIO97 BT_HOST_WAKE */ janice_cfg2 { pins = "GPIO97_D9"; ste,config = <&gpio_in_nopull>; }; + /* GPIO209 BT_RST_N */ janice_cfg3 { pins = "GPIO209_AG15"; ste,config = <&gpio_out_hi>; |