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SubjectRe: [PATCH v2 9/9] arm64: dts: rockchip: RockPro64: hook up bluetooth at uart0
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Hi Soeren,

On 11/12/2019 11:52 pm, Soeren Moch wrote:
> With enabled wifi support (required for firmware loading) for the
> Ampak AP6359SA based wifi/bt combo module we now also can enable
> the bluetooth part.
>
> Suggested-by: Heiko Stuebner <heiko@sntech.de>
> Signed-off-by: Soeren Moch <smoch@web.de>
> ---
> changes in v2:
> - new patch
>
> Cc: Heiko Stuebner <heiko@sntech.de>
> Cc: Kalle Valo <kvalo@codeaurora.org>
> Cc: linux-wireless@vger.kernel.org
> Cc: brcm80211-dev-list.pdl@broadcom.com
> Cc: brcm80211-dev-list@cypress.com
> Cc: netdev@vger.kernel.org
> Cc: linux-arm-kernel@lists.infradead.org
> Cc: linux-rockchip@lists.infradead.org
> Cc: linux-kernel@vger.kernel.org
> ---
> .../boot/dts/rockchip/rk3399-rockpro64.dts | 29 ++++++++++++++++++-
> 1 file changed, 28 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts b/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts
> index 9fa92790d6e0..94cc462e234d 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts
> +++ b/arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dts
> @@ -561,6 +561,20 @@
> };
>
> &pinctrl {
> + bt {
> + bt_enable_h: bt-enable-h {
> + rockchip,pins = <0 RK_PB1 RK_FUNC_GPIO &pcfg_pull_none>;
> + };
> +
> + bt_host_wake_l: bt-host-wake-l {
> + rockchip,pins = <0 RK_PA4 RK_FUNC_GPIO &pcfg_pull_down>;
> + };
> +
> + bt_wake_l: bt-wake-l {
> + rockchip,pins = <2 RK_PD3 RK_FUNC_GPIO &pcfg_pull_none>;
> + };
> + };
> +
> buttons {
> pwrbtn: pwrbtn {
> rockchip,pins = <0 RK_PA5 RK_FUNC_GPIO &pcfg_pull_up>;
> @@ -729,8 +743,21 @@
>
> &uart0 {
> pinctrl-names = "default";
> - pinctrl-0 = <&uart0_xfer &uart0_cts>;
> + pinctrl-0 = <&uart0_xfer &uart0_cts &uart0_rts>;
> status = "okay";
> +
> + bluetooth {
> + compatible = "brcm,bcm43438-bt";
> + clocks = <&rk808 1>;
> + clock-names = "extclk";

Is this right? Comparing the binding and the naming on the schematics,
it seems more likely that this might be the LPO clock rather than the
TXCO clock.

Robin.

> + device-wakeup-gpios = <&gpio2 RK_PD3 GPIO_ACTIVE_HIGH>;
> + host-wakeup-gpios = <&gpio0 RK_PA4 GPIO_ACTIVE_HIGH>;
> + shutdown-gpios = <&gpio0 RK_PB1 GPIO_ACTIVE_HIGH>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&bt_host_wake_l &bt_wake_l &bt_enable_h>;
> + vbat-supply = <&vcc3v3_sys>;
> + vddio-supply = <&vcc_1v8>;
> + };
> };
>
> &uart2 {
> --
> 2.17.1
>
>
> _______________________________________________
> Linux-rockchip mailing list
> Linux-rockchip@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-rockchip
>

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