From: Padmarao Begari Date: Tue, 2 Sep 2025 08:53:27 +0000 (+0200) Subject: arm64: xilinx: Add i2c mux idle disconnect property X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5b13a280b48f84e70ff0ba833a7023db5dbfd427;p=pandora-u-boot.git arm64: xilinx: Add i2c mux idle disconnect property Add i2c-mux-idle-disconnect property to an i2c mux node. It is used to configure an i2c mux to disconnect all its channels when idle. Signed-off-by: Padmarao Begari Signed-off-by: Michal Simek Link: https://lore.kernel.org/r/d75f31d72cadf6d98c0faa51239bf2b239797d2d.1756803198.git.michal.simek@amd.com --- diff --git a/arch/arm/dts/zynqmp-sc-vek280-revA.dtso b/arch/arm/dts/zynqmp-sc-vek280-revA.dtso index 3320bbc11fc..e94b784e8e1 100644 --- a/arch/arm/dts/zynqmp-sc-vek280-revA.dtso +++ b/arch/arm/dts/zynqmp-sc-vek280-revA.dtso @@ -43,6 +43,7 @@ #address-cells = <1>; #size-cells = <0>; reg = <0x74>; + i2c-mux-idle-disconnect; /* reset-gpios = <&gpio SYSCTLR_IIC_MUX0_RESET_B GPIO_ACTIVE_HIGH>; */ pmbus_i2c: i2c@0 { #address-cells = <1>; diff --git a/arch/arm/dts/zynqmp-sc-vhk158-revA.dtso b/arch/arm/dts/zynqmp-sc-vhk158-revA.dtso index 2ce69374c15..fd25731b0b4 100644 --- a/arch/arm/dts/zynqmp-sc-vhk158-revA.dtso +++ b/arch/arm/dts/zynqmp-sc-vhk158-revA.dtso @@ -44,6 +44,7 @@ #address-cells = <1>; #size-cells = <0>; reg = <0x74>; + i2c-mux-idle-disconnect; /* reset-gpios = <&gpio SYSCTLR_IIC_MUX0_RESET_B GPIO_ACTIVE_HIGH>; */ pmbus_i2c: i2c@0 { #address-cells = <1>; @@ -269,6 +270,7 @@ #address-cells = <1>; #size-cells = <0>; reg = <0x74>; + i2c-mux-idle-disconnect; /* reset-gpios = <&gpio SYSCTLR_IIC_MUX1_RESET_B GPIO_ACTIVE_HIGH>; */ ddr4_dimm0: i2c@0 { /* wired but NC */ #address-cells = <1>; diff --git a/arch/arm/dts/zynqmp-sc-vpk120-revB.dtso b/arch/arm/dts/zynqmp-sc-vpk120-revB.dtso index 853d9817dd2..29b3a73fde0 100644 --- a/arch/arm/dts/zynqmp-sc-vpk120-revB.dtso +++ b/arch/arm/dts/zynqmp-sc-vpk120-revB.dtso @@ -38,6 +38,7 @@ #address-cells = <1>; #size-cells = <0>; reg = <0x74>; + i2c-mux-idle-disconnect; /* reset-gpios = <&gpio SYSCTLR_IIC_MUX0_RESET_B GPIO_ACTIVE_HIGH>; */ pmbus_i2c: i2c@0 { #address-cells = <1>; @@ -232,6 +233,7 @@ #address-cells = <1>; #size-cells = <0>; reg = <0x74>; + i2c-mux-idle-disconnect; /* reset-gpios = <&gpio SYSCTLR_IIC_MUX1_RESET_B GPIO_ACTIVE_HIGH>; */ ref_clk_i2c: i2c@0 { #address-cells = <1>; diff --git a/arch/arm/dts/zynqmp-sc-vpk180-revA.dtso b/arch/arm/dts/zynqmp-sc-vpk180-revA.dtso index ba5484573c9..10466ce99de 100644 --- a/arch/arm/dts/zynqmp-sc-vpk180-revA.dtso +++ b/arch/arm/dts/zynqmp-sc-vpk180-revA.dtso @@ -44,6 +44,7 @@ #address-cells = <1>; #size-cells = <0>; reg = <0x74>; + i2c-mux-idle-disconnect; /* reset-gpios = <&gpio SYSCTLR_IIC_MUX0_RESET_B GPIO_ACTIVE_HIGH>; */ pmbus_i2c: i2c@0 { #address-cells = <1>; diff --git a/arch/arm/dts/zynqmp-sc-vpk180-revB.dtso b/arch/arm/dts/zynqmp-sc-vpk180-revB.dtso index 3990d053c35..74e1c5c6dc9 100644 --- a/arch/arm/dts/zynqmp-sc-vpk180-revB.dtso +++ b/arch/arm/dts/zynqmp-sc-vpk180-revB.dtso @@ -44,6 +44,7 @@ #address-cells = <1>; #size-cells = <0>; reg = <0x74>; + i2c-mux-idle-disconnect; /* reset-gpios = <&gpio SYSCTLR_IIC_MUX0_RESET_B GPIO_ACTIVE_HIGH>; */ pmbus_i2c: i2c@0 { #address-cells = <1>;