From f1d6f9d227a0fe887d6a5cc7773425b267e4deff Mon Sep 17 00:00:00 2001 From: Andrew Halaney Date: Mon, 30 Jan 2023 09:48:23 -0600 Subject: [PATCH] arm64: dts: qcom: sa8540p-ride: Document i2c busses It isn't obvious in the current devicetree what is connected. Go ahead and document what's on the other end. Signed-off-by: Andrew Halaney Reviewed-by: Eric Chanudet Signed-off-by: Bjorn Andersson Link: https://lore.kernel.org/r/20230130154823.117542-2-ahalaney@redhat.com --- arch/arm64/boot/dts/qcom/sa8540p-ride.dts | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/sa8540p-ride.dts b/arch/arm64/boot/dts/qcom/sa8540p-ride.dts index cb9fbdeb5a9eb..3ccb5ffdb3ca3 100644 --- a/arch/arm64/boot/dts/qcom/sa8540p-ride.dts +++ b/arch/arm64/boot/dts/qcom/sa8540p-ride.dts @@ -317,6 +317,7 @@ &tlmm { i2c0_default: i2c0-default-state { + /* To USB7002T-I/KDXVA0 USB hub (SIP1 only) */ pins = "gpio135", "gpio136"; function = "qup0"; drive-strength = <2>; @@ -324,6 +325,7 @@ }; i2c1_default: i2c1-default-state { + /* To PM40028B-F3EI PCIe switch */ pins = "gpio158", "gpio159"; function = "qup1"; drive-strength = <2>; @@ -331,6 +333,7 @@ }; i2c12_default: i2c12-default-state { + /* To Maxim max20411 */ pins = "gpio0", "gpio1"; function = "qup12"; drive-strength = <2>; @@ -338,6 +341,7 @@ }; i2c15_default: i2c15-default-state { + /* To display connector (SIP1 only) */ pins = "gpio36", "gpio37"; function = "qup15"; drive-strength = <2>; @@ -345,6 +349,7 @@ }; i2c18_default: i2c18-default-state { + /* To ASM330LHH IMU (SIP1 only) */ pins = "gpio66", "gpio67"; function = "qup18"; drive-strength = <2>; -- 2.30.2