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| author |   Kishon Vijay Abraham I <kishon@ti.com> | 2022-04-14 19:06:12 +0530 |
|---|---|---|
| committer |   Vignesh Raghavendra <vigneshr@ti.com> | 2022-04-27 15:54:28 +0530 |
| commit | 065d62612e264e228c153afe9aa31d85aeea3d17 (patch) | |
| tree | 553e37c846b7b186909b3769ea4681ed4024df6d | |
| parent | arm64: dts: ti: k3-am64-mcu: remove incorrect UART base clock rates (diff) | |
| download | linux-dev-065d62612e264e228c153afe9aa31d85aeea3d17.tar.xz linux-dev-065d62612e264e228c153afe9aa31d85aeea3d17.zip | |
arm64: dts: ti: k3-am642-sk: Enable WLAN connected to SDHCI0
WL1837 module is connected to SDHCI0 in AM642 SK. Enable it here.
This will enable the WiFi functionaliy on the board.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Signed-off-by: Nikhil Devshatwar <nikhil.nd@ti.com>
Signed-off-by: Aparna M <a-m1@ti.com>
Reviewed-by: Bryan Brattlof <bb@ti.com>
Link: https://lore.kernel.org/r/20220414133612.13365-1-a-m1@ti.com
Diffstat (limited to '')
| -rw-r--r-- | arch/arm64/boot/dts/ti/k3-am642-sk.dts | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/ti/k3-am642-sk.dts b/arch/arm64/boot/dts/ti/k3-am642-sk.dts index 1d7db8bf3a5c..59f506cbd275 100644 --- a/arch/arm64/boot/dts/ti/k3-am642-sk.dts +++ b/arch/arm64/boot/dts/ti/k3-am642-sk.dts @@ -125,6 +125,31 @@ vin-supply = <&vcc_3v3_sys>; gpio = <&exp1 3 GPIO_ACTIVE_HIGH>; }; + + com8_ls_en: regulator-1 { + compatible = "regulator-fixed"; + regulator-name = "com8_ls_en"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + regulator-boot-on; + pinctrl-0 = <&main_com8_ls_en_pins_default>; + pinctrl-names = "default"; + gpio = <&main_gpio0 62 GPIO_ACTIVE_LOW>; + }; + + wlan_en: regulator-2 { + /* output of SN74AVC4T245RSVR */ + compatible = "regulator-fixed"; + regulator-name = "wlan_en"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + enable-active-high; + pinctrl-0 = <&main_wlan_en_pins_default>; + pinctrl-names = "default"; + vin-supply = <&com8_ls_en>; + gpio = <&main_gpio0 48 GPIO_ACTIVE_HIGH>; + }; }; &main_pmx0 { @@ -216,6 +241,23 @@ AM64X_IOPAD(0x0270, PIN_INPUT, 0) /* (D18) ECAP0_IN_APWM_OUT */ >; }; + main_wlan_en_pins_default: main-wlan-en-pins-default { + pinctrl-single,pins = < + AM64X_IOPAD(0x00c4, PIN_OUTPUT_PULLUP, 7) /* (V8) GPIO0_48 */ + >; + }; + + main_com8_ls_en_pins_default: main-com8-ls-en-pins-default { + pinctrl-single,pins = < + AM64X_IOPAD(0x00fc, PIN_OUTPUT, 7) /* (U7) PRG1_PRU0_GPO17.GPIO0_62 */ + >; + }; + + main_wlan_pins_default: main-wlan-pins-default { + pinctrl-single,pins = < + AM64X_IOPAD(0x00bc, PIN_INPUT, 7) /* (U8) GPIO0_46 */ + >; + }; }; &mcu_uart0 { @@ -293,6 +335,26 @@ status = "reserved"; }; +&sdhci0 { + vmmc-supply = <&wlan_en>; + bus-width = <4>; + non-removable; + cap-power-off-card; + keep-power-in-suspend; + ti,driver-strength-ohm = <50>; + + #address-cells = <1>; + #size-cells = <0>; + wlcore: wlcore@2 { + compatible = "ti,wl1837"; + reg = <2>; + pinctrl-0 = <&main_wlan_pins_default>; + pinctrl-names = "default"; + interrupt-parent = <&main_gpio0>; + interrupts = <46 IRQ_TYPE_EDGE_FALLING>; + }; +}; + &sdhci1 { /* SD/MMC */ vmmc-supply = <&vdd_mmc1>; |