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Date: Tue, 1 May 2018 07:18:41 +0000
From: "Reizer, Eyal" <eyalr@...com>
To: Eyal Reizer <eyalreizer@...il.com>,
"bcousson@...libre.com" <bcousson@...libre.com>,
"tony@...mide.com" <tony@...mide.com>,
"robh+dt@...nel.org" <robh+dt@...nel.org>,
"mark.rutland@....com" <mark.rutland@....com>,
"linux-omap@...r.kernel.org" <linux-omap@...r.kernel.org>,
"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [EXTERNAL] [tiL4.14-CON PATCH v2] ARM: dts: am437x-sk-evm: add
wilink8 support
Please discard. Wrong patch header.
Will resend. Sorry about that.
>
> enable mmc3 used for wlan and uart1 used for bluetooth
> configure the gpios used for wlan and bluetooth controls
> add fixed voltage regulator used for wlan power control
>
> Signed-off-by: Eyal Reizer <eyalr@...com>
> ---
> arch/arm/boot/dts/am437x-sk-evm.dts | 115
> ++++++++++++++++++++++++++++++++++++
> 1 file changed, 115 insertions(+)
>
> diff --git a/arch/arm/boot/dts/am437x-sk-evm.dts
> b/arch/arm/boot/dts/am437x-sk-evm.dts
> index 16d9db0..afffdb1 100644
> --- a/arch/arm/boot/dts/am437x-sk-evm.dts
> +++ b/arch/arm/boot/dts/am437x-sk-evm.dts
> @@ -15,6 +15,7 @@
> #include <dt-bindings/pwm/pwm.h>
> #include <dt-bindings/gpio/gpio.h>
> #include <dt-bindings/input/input.h>
> +#include <dt-bindings/interrupt-controller/irq.h>
>
> / {
> model = "TI AM437x SK EVM";
> @@ -158,6 +159,22 @@
> };
> };
> };
> +
> + vmmcwl_fixed: fixedregulator-mmcwl {
> + /*
> + * WL_EN is not SDIO standard compliant. It is an out of band
> + * signal and hard to be dealt with in a standard way by the
> + * SDIO core driver.
> + * So modelling the WL_EN line as a regulator was a natural
> + * choice as the MMC core already deals with MMC supplies.
> + */
> + compatible = "regulator-fixed";
> + regulator-name = "vmmcwl_fixed";
> + regulator-min-microvolt = <1800000>;
> + regulator-max-microvolt = <1800000>;
> + gpio = <&gpio4 8 GPIO_ACTIVE_HIGH>;
> + enable-active-high;
> + };
> };
>
> &am43xx_pinmux {
> @@ -424,6 +441,62 @@
> AM4372_IOPAD(0xac4, PIN_OUTPUT |
> MUX_MODE0) /* usb0_drvvbus.usb0_drvvbus */
> >;
> };
> +
> + mmc3_pins_default: pinmux_mmc3_pins_default {
> + pinctrl-single,pins = <
> + AM4372_IOPAD(0x9f0, PIN_INPUT_PULLUP |
> MUX_MODE3) /* (AD21) cam1_data2.mmc2_clk */
> + AM4372_IOPAD(0x9f4, PIN_INPUT_PULLUP |
> MUX_MODE3) /* (AE22) cam1_data3.mmc2_cmd */
> + AM4372_IOPAD(0x9f8, PIN_INPUT_PULLUP |
> MUX_MODE3) /* (AD22) cam1_data4.mmc2_dat0 */
> + AM4372_IOPAD(0x9fc, PIN_INPUT_PULLUP |
> MUX_MODE3) /* (AE23) cam1_data5.mmc2_dat1 */
> + AM4372_IOPAD(0xa00, PIN_INPUT_PULLUP |
> MUX_MODE3) /* (AD23) cam1_data6.mmc2_dat2 */
> + AM4372_IOPAD(0xa04, PIN_INPUT_PULLUP |
> MUX_MODE3) /* (AE24) cam1_data7.mmc2_dat3 */
> + >;
> + };
> +
> + mmc3_pins_sleep: pinmux_mmc3_pins_sleep {
> + pinctrl-single,pins = <
> + AM4372_IOPAD(0x9f0, PIN_INPUT_PULLDOWN |
> MUX_MODE7) /* (AD21) cam1_data2.mmc2_clk */
> + AM4372_IOPAD(0x9f4, PIN_INPUT_PULLDOWN |
> MUX_MODE7) /* (AE22) cam1_data3.mmc2_cmd */
> + AM4372_IOPAD(0x9f8, PIN_INPUT_PULLDOWN |
> MUX_MODE7) /* (AD22) cam1_data4.mmc2_dat0 */
> + AM4372_IOPAD(0x9fc, PIN_INPUT_PULLDOWN |
> MUX_MODE7) /* (AE23) cam1_data5.mmc2_dat1 */
> + AM4372_IOPAD(0xa00, PIN_INPUT_PULLDOWN |
> MUX_MODE7) /* (AD23) cam1_data6.mmc2_dat2 */
> + AM4372_IOPAD(0xa04, PIN_INPUT_PULLDOWN |
> MUX_MODE7) /* (AE24) cam1_data7.mmc2_dat3 */
> + >;
> + };
> +
> + wlan_pins_default: pinmux_wlan_pins_default {
> + pinctrl-single,pins = <
> + AM4372_IOPAD(0x9d0, PIN_OUTPUT_PULLDOWN |
> MUX_MODE7) /* cam1_data8.gpio4_8 WL_EN */
> + AM4372_IOPAD(0x9e4, PIN_INPUT |
> WAKEUP_ENABLE | MUX_MODE7) /* cam1_wen.gpio4_13 WL_IRQ */
> + >;
> + };
> +
> + wlan_pins_sleep: pinmux_wlan_pins_sleep {
> + pinctrl-single,pins = <
> + AM4372_IOPAD(0x9d0, PIN_OUTPUT_PULLDOWN |
> MUX_MODE7) /* cam1_data8.gpio4_8 WL_EN */
> + AM4372_IOPAD(0x9e4, PIN_INPUT |
> WAKEUP_ENABLE | MUX_MODE7) /* cam1_wen.gpio4_13 WL_IRQ */
> + >;
> + };
> +
> + uart1_bt_pins_default: pinmux_uart1_bt_pins_default {
> + pinctrl-single,pins = <
> + AM4372_IOPAD(0x980, PIN_INPUT | MUX_MODE0)
> /* uart1_rxd.uart1_rxd */
> + AM4372_IOPAD(0x984, PIN_OUTPUT_PULLDOWN |
> MUX_MODE0) /* uart1_txd.uart1_txd */
> + AM4372_IOPAD(0x978, PIN_INPUT_PULLUP |
> MUX_MODE0) /* uart1_ctsn.uart1_ctsn */
> + AM4372_IOPAD(0x97c, PIN_OUTPUT_PULLDOWN |
> MUX_MODE0) /* uart1_rtsn.uart1_rtsn */
> + AM4372_IOPAD(0x9cc, PIN_OUTPUT_PULLDOWN |
> MUX_MODE7) /* cam1_data9.gpio4_7 BT_EN */
> + >;
> + };
> +
> + uart1_bt_pins_sleep: pinmux_uart1_bt_pins_sleep {
> + pinctrl-single,pins = <
> + AM4372_IOPAD(0x980, PIN_OUTPUT_PULLDOWN |
> MUX_MODE7) /* uart1_rxd.uart1_rxd */
> + AM4372_IOPAD(0x984, PIN_OUTPUT_PULLDOWN |
> MUX_MODE7) /* uart1_txd.uart1_txd */
> + AM4372_IOPAD(0x978, PIN_OUTPUT_PULLDOWN |
> MUX_MODE7) /* uart1_ctsn.uart1_ctsn */
> + AM4372_IOPAD(0x97c, PIN_OUTPUT_PULLDOWN |
> MUX_MODE7) /* uart1_rtsn.uart1_rtsn */
> + AM4372_IOPAD(0x9cc, PIN_OUTPUT_PULLUP |
> MUX_MODE7) /* cam1_data9.gpio4_7 BT_EN */
> + >;
> + };
> };
>
> &i2c0 {
> @@ -606,6 +679,10 @@
> status = "okay";
> };
>
> +&gpio4 {
> + status = "okay";
> +};
> +
> &gpio5 {
> status = "okay";
> };
> @@ -620,6 +697,44 @@
> cd-gpios = <&gpio0 6 GPIO_ACTIVE_LOW>;
> };
>
> +&uart1 {
> + status = "okay";
> + pinctrl-names = "default", "sleep";
> + pinctrl-0 = <&uart1_bt_pins_default>;
> + pinctrl-1 = <&uart1_bt_pins_sleep>;
> +};
> +
> +&mmc3 {
> + status = "okay";
> + /*
> + * these are on the crossbar and are outlined in the
> + * xbar-event-map element
> + */
> + dmas = <&edma_xbar 30 0 1>,
> + <&edma_xbar 31 0 2>;
> + dma-names = "tx", "rx";
> + vmmc-supply = <&vmmcwl_fixed>;
> + bus-width = <4>;
> + pinctrl-names = "default", "sleep";
> + pinctrl-0 = <&mmc3_pins_default>;
> + pinctrl-1 = <&mmc3_pins_sleep>;
> + cap-power-off-card;
> + keep-power-in-suspend;
> + ti,non-removable;
> +
> + #address-cells = <1>;
> + #size-cells = <0>;
> + wlcore: wlcore@0 {
> + compatible = "ti,wl1835";
> + pinctrl-names = "default", "sleep";
> + pinctrl-0 = <&wlan_pins_default>;
> + pinctrl-1 = <&wlan_pins_sleep>;
> + reg = <2>;
> + interrupt-parent = <&gpio4>;
> + interrupts = <13 IRQ_TYPE_LEVEL_HIGH>;
> + };
> +};
> +
> &usb2_phy1 {
> status = "okay";
> };
> --
> 2.7.4
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