From c1d1189eafb27fa5c0cb0b92a4e81c155709068b Mon Sep 17 00:00:00 2001 From: Andrew Davis Date: Fri, 28 Oct 2022 09:24:11 -0500 Subject: [PATCH] arm64: dts: ti: k3-am65: Enable ECAP nodes at the board level ECAP nodes defined in the top-level AM65x SoC dtsi files are incomplete and will not be functional unless they are extended with pinmux information. (These and the EPWM nodes could be used to trigger internal actions but they are not used like that currently) As the pinmux is only known at the board integration level, these nodes should only be enabled when provided with this information. Disable the ECAP nodes in the dtsi files and only enable the ones that are actually pinned out on a given board. Signed-off-by: Andrew Davis Signed-off-by: Nishanth Menon Tested-by: Jan Kiszka Reviewed-by: Bryan Brattlof Link: https://lore.kernel.org/r/20221028142417.10642-6-afd@ti.com --- arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi | 1 + arch/arm64/boot/dts/ti/k3-am65-main.dtsi | 1 + arch/arm64/boot/dts/ti/k3-am654-base-board.dts | 1 + 3 files changed, 3 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi b/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi index fa4b6eb..5656208 100644 --- a/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am65-iot2050-common.dtsi @@ -550,6 +550,7 @@ }; &ecap0 { + status = "okay"; pinctrl-names = "default"; pinctrl-0 = <&ecap0_pins_default>; }; diff --git a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi index 49287f8..fbb631c 100644 --- a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi @@ -205,6 +205,7 @@ power-domains = <&k3_pds 39 TI_SCI_PD_EXCLUSIVE>; clocks = <&k3_clks 39 0>; clock-names = "fck"; + status = "disabled"; }; main_spi0: spi@2100000 { diff --git a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts index 3f5a5eb..f4b8747 100644 --- a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts +++ b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts @@ -337,6 +337,7 @@ }; &ecap0 { + status = "okay"; pinctrl-names = "default"; pinctrl-0 = <&ecap0_pins_default>; }; -- 2.7.4