Re: [PATCH v1] ARM: dts: imx6ul: ccimx6ulsom: Add support for wireless SOM variant

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On Mon, Oct 22, 2018 at 11:27:23AM +0200, Alex Gonzalez wrote:
> The wireless variants of the ConnecCore 6UL SOM include a Qualcomm
> QCA6564 wireless chip with dual WiFi and Bluetooth.
> 
> Both the ConnectCore 6UL SBC Express and Pro boards fit a wireless SOM.
> 
> The Wifi is connected through the SDIO interface on usdhc1 and the
> Bluetooth is connected via uart1.
> 
> Signed-off-by: Alex Gonzalez <alex.gonzalez@xxxxxxxx>
> ---
>  arch/arm/boot/dts/imx6ul-ccimx6ulsom.dtsi | 64 +++++++++++++++++++++++++++++++
>  1 file changed, 64 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/imx6ul-ccimx6ulsom.dtsi b/arch/arm/boot/dts/imx6ul-ccimx6ulsom.dtsi
> index c71a84da1af0..23bbcd4c71d1 100644
> --- a/arch/arm/boot/dts/imx6ul-ccimx6ulsom.dtsi
> +++ b/arch/arm/boot/dts/imx6ul-ccimx6ulsom.dtsi
> @@ -161,6 +161,25 @@
>  	};
>  };
>  
> +/* UART1 (Bluetooth) */
> +&uart1 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_uart1>;
> +	uart-has-rtscts;
> +	status = "okay";
> +};
> +
> +/* USDHC1 (Wireless) */
> +&usdhc1 {
> +	pinctrl-names = "default", "sleep";
> +	pinctrl-0 = <&pinctrl_usdhc1 &pinctrl_wifibt_ctrl>;
> +	pinctrl-1 = <&pinctrl_usdhc1_sleep &pinctrl_wifibt_ctrl_sleep>;
> +	non-removable;
> +	no-1-8-v;
> +	bus-width = <4>;
> +	status = "okay";
> +};
> +
>  &iomuxc {
>  	pinctrl_gpmi_nand: gpmigrp {
>  		fsl,pins = <
> @@ -188,6 +207,51 @@
>  			MX6UL_PAD_UART4_RX_DATA__I2C1_SDA 0x4001b8b0
>  			>;
>  		};

The existing indentation for gpmigrp and i2c1grp is problematic.

> +
> +	pinctrl_uart1: uart1grp {
> +		fsl,pins = <
> +			MX6UL_PAD_UART1_TX_DATA__UART1_DCE_TX   0x1b0b1
> +			MX6UL_PAD_UART1_RX_DATA__UART1_DCE_RX   0x1b0b1
> +			MX6UL_PAD_UART1_RTS_B__UART1_DCE_RTS    0x1b0b1
> +			MX6UL_PAD_UART1_CTS_B__UART1_DCE_CTS    0x1b0b1
> +		>;
> +	};

This indentation is what we want ...

> +
> +	pinctrl_usdhc1: usdhc1grp {
> +		fsl,pins = <
> +			MX6UL_PAD_SD1_CMD__USDHC1_CMD           0x17059
> +			MX6UL_PAD_SD1_CLK__USDHC1_CLK           0x17051
> +			MX6UL_PAD_SD1_DATA0__USDHC1_DATA0       0x17059
> +			MX6UL_PAD_SD1_DATA1__USDHC1_DATA1       0x17059
> +			MX6UL_PAD_SD1_DATA2__USDHC1_DATA2       0x17059
> +			MX6UL_PAD_SD1_DATA3__USDHC1_DATA3       0x17059
> +			 >;
> +		};
> +

... so please follow uart1grp style for all entries you are adding.

Shawn

> +	pinctrl_usdhc1_sleep: usdhc1grp-sleep {
> +		fsl,pins = <
> +			MX6UL_PAD_SD1_CMD__GPIO2_IO16           0x3000
> +			MX6UL_PAD_SD1_CLK__GPIO2_IO17           0x3000
> +			MX6UL_PAD_SD1_DATA0__GPIO2_IO18         0x3000
> +			MX6UL_PAD_SD1_DATA1__GPIO2_IO19         0x3000
> +			MX6UL_PAD_SD1_DATA2__GPIO2_IO20         0x3000
> +			MX6UL_PAD_SD1_DATA3__GPIO2_IO21         0x3000
> +			 >;
> +	};
> +
> +	pinctrl_wifibt_ctrl: wifibt-ctrl-grp {
> +		fsl,pins = <
> +			MX6UL_PAD_SNVS_TAMPER0__GPIO5_IO00      0x08a0
> +			MX6UL_PAD_SNVS_TAMPER9__GPIO5_IO09      0x08a0
> +			  >;
> +	};
> +
> +	pinctrl_wifibt_ctrl_sleep: wifibt-ctrl-grp-sleep {
> +		fsl,pins = <
> +			MX6UL_PAD_SNVS_TAMPER0__GPIO5_IO00      0x3000
> +			MX6UL_PAD_SNVS_TAMPER9__GPIO5_IO09      0x3000
> +			 >;
> +	};
>  };
>  
>  &reg_arm {



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