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* [PATCH] ARM: dts: apq8064: add support to gsbi4 uart
@ 2023-08-12 15:52 David Heidelberg
  2023-08-14  8:12 ` Krzysztof Kozlowski
  2023-08-26  9:47 ` Konrad Dybcio
  0 siblings, 2 replies; 3+ messages in thread
From: David Heidelberg @ 2023-08-12 15:52 UTC (permalink / raw)
  To: Andy Gross, Bjorn Andersson, Konrad Dybcio, Rob Herring,
	Krzysztof Kozlowski, Conor Dooley
  Cc: David Heidelberg, linux-arm-msm, devicetree, linux-kernel

This patch adds support to gsbi4 uart which is used in LG Mako.

Signed-off-by: David Heidelberg <david@ixit.cz>
---
 arch/arm/boot/dts/qcom/qcom-apq8064-pins.dtsi | 16 ++++++++++++++++
 arch/arm/boot/dts/qcom/qcom-apq8064.dtsi      | 12 ++++++++++++
 2 files changed, 28 insertions(+)

diff --git a/arch/arm/boot/dts/qcom/qcom-apq8064-pins.dtsi b/arch/arm/boot/dts/qcom/qcom-apq8064-pins.dtsi
index 1f15186dd710..a939b7336506 100644
--- a/arch/arm/boot/dts/qcom/qcom-apq8064-pins.dtsi
+++ b/arch/arm/boot/dts/qcom/qcom-apq8064-pins.dtsi
@@ -233,6 +233,22 @@ pinconf {
 		};
 	};
 
+	gsbi4_uart_pin_a: gsbi4-uart-pin-active {
+		rx {
+			pins = "gpio11";
+			function = "gsbi4";
+			drive-strength = <2>;
+			bias-disable;
+		};
+
+		tx {
+			pins = "gpio10";
+			function = "gsbi4";
+			drive-strength = <4>;
+			bias-disable;
+		};
+	};
+
 	gsbi6_uart_2pins: gsbi6_uart_2pins {
 		mux {
 			pins = "gpio14", "gpio15";
diff --git a/arch/arm/boot/dts/qcom/qcom-apq8064.dtsi b/arch/arm/boot/dts/qcom/qcom-apq8064.dtsi
index 2ab69dd69862..870205028f5c 100644
--- a/arch/arm/boot/dts/qcom/qcom-apq8064.dtsi
+++ b/arch/arm/boot/dts/qcom/qcom-apq8064.dtsi
@@ -547,6 +547,18 @@ gsbi4: gsbi@16300000 {
 			#size-cells = <1>;
 			ranges;
 
+			gsbi4_serial: serial@16340000 {
+				compatible = "qcom,msm-uartdm-v1.3", "qcom,msm-uartdm";
+				reg = <0x16340000 0x100>,
+				      <0x16300000 0x3>;
+				interrupts = <GIC_SPI 152 IRQ_TYPE_LEVEL_HIGH>;
+				pinctrl-0 = <&gsbi4_uart_pin_a>;
+				pinctrl-names = "default";
+				clocks = <&gcc GSBI4_UART_CLK>, <&gcc GSBI4_H_CLK>;
+				clock-names = "core", "iface";
+				status = "disabled";
+			};
+
 			gsbi4_i2c: i2c@16380000 {
 				compatible = "qcom,i2c-qup-v1.1.1";
 				pinctrl-0 = <&i2c4_pins>;
-- 
2.40.1


^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH] ARM: dts: apq8064: add support to gsbi4 uart
  2023-08-12 15:52 [PATCH] ARM: dts: apq8064: add support to gsbi4 uart David Heidelberg
@ 2023-08-14  8:12 ` Krzysztof Kozlowski
  2023-08-26  9:47 ` Konrad Dybcio
  1 sibling, 0 replies; 3+ messages in thread
From: Krzysztof Kozlowski @ 2023-08-14  8:12 UTC (permalink / raw)
  To: David Heidelberg, Andy Gross, Bjorn Andersson, Konrad Dybcio,
	Rob Herring, Krzysztof Kozlowski, Conor Dooley
  Cc: linux-arm-msm, devicetree, linux-kernel

On 12/08/2023 17:52, David Heidelberg wrote:
> This patch adds support to gsbi4 uart which is used in LG Mako.
> 
> Signed-off-by: David Heidelberg <david@ixit.cz>
> ---
>  arch/arm/boot/dts/qcom/qcom-apq8064-pins.dtsi | 16 ++++++++++++++++
>  arch/arm/boot/dts/qcom/qcom-apq8064.dtsi      | 12 ++++++++++++
>  2 files changed, 28 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/qcom/qcom-apq8064-pins.dtsi b/arch/arm/boot/dts/qcom/qcom-apq8064-pins.dtsi
> index 1f15186dd710..a939b7336506 100644
> --- a/arch/arm/boot/dts/qcom/qcom-apq8064-pins.dtsi
> +++ b/arch/arm/boot/dts/qcom/qcom-apq8064-pins.dtsi
> @@ -233,6 +233,22 @@ pinconf {
>  		};
>  	};
>  
> +	gsbi4_uart_pin_a: gsbi4-uart-pin-active {

-state

> +		rx {

rx-pins

to match other bindings, even if these were not converted to DT schema yet.



Best regards,
Krzysztof


^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH] ARM: dts: apq8064: add support to gsbi4 uart
  2023-08-12 15:52 [PATCH] ARM: dts: apq8064: add support to gsbi4 uart David Heidelberg
  2023-08-14  8:12 ` Krzysztof Kozlowski
@ 2023-08-26  9:47 ` Konrad Dybcio
  1 sibling, 0 replies; 3+ messages in thread
From: Konrad Dybcio @ 2023-08-26  9:47 UTC (permalink / raw)
  To: David Heidelberg, Andy Gross, Bjorn Andersson, Rob Herring,
	Krzysztof Kozlowski, Conor Dooley
  Cc: linux-arm-msm, devicetree, linux-kernel

On 12.08.2023 17:52, David Heidelberg wrote:
> This patch adds support to gsbi4 uart which is used in LG Mako.
> 
> Signed-off-by: David Heidelberg <david@ixit.cz>
> ---
Acked-by: Konrad Dybcio <konrad.dybcio@linaro.org>

Bindings suggest qcom,[rt]x-crci may be useful for DMA transfers
through this hw

Konrad

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2023-08-26  9:48 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2023-08-12 15:52 [PATCH] ARM: dts: apq8064: add support to gsbi4 uart David Heidelberg
2023-08-14  8:12 ` Krzysztof Kozlowski
2023-08-26  9:47 ` Konrad Dybcio

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