2019-12-11 23:54:30

by Soeren Moch

[permalink] [raw]
Subject: [PATCH v2 9/9] arm64: dts: rockchip: RockPro64: hook up bluetooth at uart0

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 <[email protected]>
Signed-off-by: Soeren Moch <[email protected]>
---
changes in v2:
- new patch

Cc: Heiko Stuebner <[email protected]>
Cc: Kalle Valo <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
---
.../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";
+ 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


2019-12-12 10:48:21

by Soeren Moch

[permalink] [raw]
Subject: Re: [PATCH v2 9/9] arm64: dts: rockchip: RockPro64: hook up bluetooth at uart0



On 12.12.19 11:22, Robin Murphy wrote:
> 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 <[email protected]>
>> Signed-off-by: Soeren Moch <[email protected]>
>> ---
>> changes in v2:
>> - new patch
>>
>> Cc: Heiko Stuebner <[email protected]>
>> Cc: Kalle Valo <[email protected]>
>> Cc: [email protected]
>> Cc: [email protected]
>> Cc: [email protected]
>> Cc: [email protected]
>> Cc: [email protected]
>> Cc: [email protected]
>> Cc: [email protected]
>> ---
>>   .../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.
On second thought I have to agree. So we need another round on this.

Thanks for your review and bug report,
Soeren
>
>> +        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
>>
>>
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>>