2024-03-19 04:38:06

by Marek Vasut

Subject: [PATCH] arm64: dts: imx8mp: Describe CSI2 GPIO expander on i.MX8MP DHCOM PDK3 board

The production PDK3 carrier board rev.200 contains additional GPIO
expander to control power and reset signals for each CSI2 plug
separately. Describe this expander in the carrier board DT. The
label is used by sensor DTOs to reference the expander and its
signals.

Signed-off-by: Marek Vasut <[email protected]>
---
Cc: Conor Dooley <[email protected]>
Cc: Fabio Estevam <[email protected]>
Cc: Krzysztof Kozlowski <[email protected]>
Cc: Marek Vasut <[email protected]>
Cc: NXP Linux Team <[email protected]>
Cc: Pengutronix Kernel Team <[email protected]>
Cc: Rob Herring <[email protected]>
Cc: Sascha Hauer <[email protected]>
Cc: Shawn Guo <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
---
arch/arm64/boot/dts/freescale/imx8mp-dhcom-pdk3.dts | 10 ++++++++++
1 file changed, 10 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mp-dhcom-pdk3.dts b/arch/arm64/boot/dts/freescale/imx8mp-dhcom-pdk3.dts
index b749e28e5ede5..ac7ec7533a3c8 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-dhcom-pdk3.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mp-dhcom-pdk3.dts
@@ -167,6 +167,16 @@ sgtl5000: codec@a {
VDDIO-supply = <&reg_vdd_3p3v_awo>;
};

+ csi2exp: gpio@24 {
+ compatible = "nxp,pca9570";
+ reg = <0x24>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ gpio-line-names =
+ "CSI2_#RESET", "CSI2_#PWDN",
+ "CSI_#PWDN", "CSI_#RESET";
+ };
+
typec@3d {
compatible = "nxp,ptn5150";
reg = <0x3d>;
--
2.43.0

2024-04-02 03:04:59

by Shawn Guo

Subject: Re: [PATCH] arm64: dts: imx8mp: Describe CSI2 GPIO expander on i.MX8MP DHCOM PDK3 board

On Tue, Mar 19, 2024 at 05:37:09AM +0100, Marek Vasut wrote:
> The production PDK3 carrier board rev.200 contains additional GPIO
> expander to control power and reset signals for each CSI2 plug
> separately. Describe this expander in the carrier board DT. The
> label is used by sensor DTOs to reference the expander and its
> signals.
>
> Signed-off-by: Marek Vasut <[email protected]>

Applied, thanks!