2023-06-06 16:07:21

by Tim Harvey

Subject: [PATCH] arm64: dts: imx8mm-venice-gw7901: add SDR50/SDR104 SDIO support for wifi

The GW7901 has a Murata LBEE5H 802.11abgnac / BT5 module based on the
Cypress CYW43455 which supports SDR50/SDR104.

Add dt pinctrl for the 100mhz and 200mhz states to support SDR50/SDR104.

While at it add the dt node for the CYW43455 wifi for the brcmfmac
driver.

Signed-off-by: Tim Harvey <[email protected]>
---
.../dts/freescale/imx8mm-venice-gw7901.dts | 33 ++++++++++++++++++-
1 file changed, 32 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7901.dts b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7901.dts
index d022b5807a24..bb78c99c4fb4 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7901.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7901.dts
@@ -789,12 +789,21 @@ &usbotg2 {

/* SDIO WiFi */
&usdhc1 {
- pinctrl-names = "default";
+ pinctrl-names = "default", "state_100mhz", "state_200mhz";
pinctrl-0 = <&pinctrl_usdhc1>;
+ pinctrl-1 = <&pinctrl_usdhc1_100mhz>;
+ pinctrl-2 = <&pinctrl_usdhc1_200mhz>;
bus-width = <4>;
non-removable;
vmmc-supply = <&reg_wifi>;
+ #address-cells = <1>;
+ #size-cells = <0>;
status = "okay";
+
+ wifi@0 {
+ compatible = "brcm,bcm43455-fmac";
+ reg = <0>;
+ };
};

/* microSD */
@@ -1054,6 +1063,28 @@ MX8MM_IOMUXC_SD1_DATA3_USDHC1_DATA3 0x1d0
>;
};

+ pinctrl_usdhc1_100mhz: usdhc1-100mhzgrp {
+ fsl,pins = <
+ MX8MM_IOMUXC_SD1_CLK_USDHC1_CLK 0x194
+ MX8MM_IOMUXC_SD1_CMD_USDHC1_CMD 0x1d4
+ MX8MM_IOMUXC_SD1_DATA0_USDHC1_DATA0 0x1d4
+ MX8MM_IOMUXC_SD1_DATA1_USDHC1_DATA1 0x1d4
+ MX8MM_IOMUXC_SD1_DATA2_USDHC1_DATA2 0x1d4
+ MX8MM_IOMUXC_SD1_DATA3_USDHC1_DATA3 0x1d4
+ >;
+ };
+
+ pinctrl_usdhc1_200mhz: usdhc1-200mhzgrp {
+ fsl,pins = <
+ MX8MM_IOMUXC_SD1_CLK_USDHC1_CLK 0x196
+ MX8MM_IOMUXC_SD1_CMD_USDHC1_CMD 0x1d6
+ MX8MM_IOMUXC_SD1_DATA0_USDHC1_DATA0 0x1d6
+ MX8MM_IOMUXC_SD1_DATA1_USDHC1_DATA1 0x1d6
+ MX8MM_IOMUXC_SD1_DATA2_USDHC1_DATA2 0x1d6
+ MX8MM_IOMUXC_SD1_DATA3_USDHC1_DATA3 0x1d6
+ >;
+ };
+
pinctrl_usdhc2: usdhc2grp {
fsl,pins = <
MX8MM_IOMUXC_SD2_CLK_USDHC2_CLK 0x190
--
2.25.1

2023-07-17 00:47:30

by Shawn Guo

Subject: Re: [PATCH] arm64: dts: imx8mm-venice-gw7901: add SDR50/SDR104 SDIO support for wifi

On Tue, Jun 06, 2023 at 08:33:51AM -0700, Tim Harvey wrote:
> The GW7901 has a Murata LBEE5H 802.11abgnac / BT5 module based on the
> Cypress CYW43455 which supports SDR50/SDR104.
>
> Add dt pinctrl for the 100mhz and 200mhz states to support SDR50/SDR104.
>
> While at it add the dt node for the CYW43455 wifi for the brcmfmac
> driver.
>
> Signed-off-by: Tim Harvey <[email protected]>

Applied, thanks!