diff mbox series

arm64: dts: qcom: msm8998: Reserve gpio ranges on MTP

Message ID 20181030054554.1954-1-bjorn.andersson@linaro.org
State Accepted
Commit 9134586715e389fe90d9d28cb37a668f374d686a
Headers show
Series arm64: dts: qcom: msm8998: Reserve gpio ranges on MTP | expand

Commit Message

Bjorn Andersson Oct. 30, 2018, 5:45 a.m. UTC
GPIOs 0 through 3 and 81 through 84 are configured to not be accessible
from the application CPUs. Mark them as reserved to allow the MSM8998
MTP to boot after the introduction of 3edfb7bd76bd ("gpiolib: Show
correct direction from the beginning").

Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

---
 arch/arm64/boot/dts/qcom/msm8998-mtp.dtsi | 4 ++++
 1 file changed, 4 insertions(+)

-- 
2.18.0

Comments

Jeffrey Hugo Oct. 30, 2018, 4:18 p.m. UTC | #1
On 10/29/2018 11:45 PM, Bjorn Andersson wrote:
> GPIOs 0 through 3 and 81 through 84 are configured to not be accessible

> from the application CPUs. Mark them as reserved to allow the MSM8998

> MTP to boot after the introduction of 3edfb7bd76bd ("gpiolib: Show

> correct direction from the beginning").

> 

> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

> ---

>   arch/arm64/boot/dts/qcom/msm8998-mtp.dtsi | 4 ++++

>   1 file changed, 4 insertions(+)

> 

> diff --git a/arch/arm64/boot/dts/qcom/msm8998-mtp.dtsi b/arch/arm64/boot/dts/qcom/msm8998-mtp.dtsi

> index b4276da1fb0d..11fd1fe8bdb5 100644

> --- a/arch/arm64/boot/dts/qcom/msm8998-mtp.dtsi

> +++ b/arch/arm64/boot/dts/qcom/msm8998-mtp.dtsi

> @@ -241,3 +241,7 @@

>   		};

>   	};

>   };

> +

> +&tlmm {

> +	gpio-reserved-ranges = <0 4>, <81 4>;

> +};

> 


Does Documentation/devicetree/bindings/pinctrl/qcom,msm8998-pinctrl.txt 
need to be updated?  Seems like the majority of the other qcom pinctrl 
bindings docs mention that gpio-reserved-ranges is optional.

In any case,
Reviewed-by: Jeffrey Hugo <jhugo@codeaurora.org>


-- 
Jeffrey Hugo
Qualcomm Datacenter Technologies as an affiliate of Qualcomm 
Technologies, Inc.
Qualcomm Technologies, Inc. is a member of the
Code Aurora Forum, a Linux Foundation Collaborative Project.
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/qcom/msm8998-mtp.dtsi b/arch/arm64/boot/dts/qcom/msm8998-mtp.dtsi
index b4276da1fb0d..11fd1fe8bdb5 100644
--- a/arch/arm64/boot/dts/qcom/msm8998-mtp.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8998-mtp.dtsi
@@ -241,3 +241,7 @@ 
 		};
 	};
 };
+
+&tlmm {
+	gpio-reserved-ranges = <0 4>, <81 4>;
+};