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 <padmarao.begari@amd.com>
Signed-off-by: Michal Simek <michal.simek@amd.com>
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 3320bbc..e94b784 100644 (file)
--- 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 2ce6937..fd25731 100644 (file)
--- 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 853d981..29b3a73 100644 (file)
--- 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 ba54845..10466ce 100644 (file)
--- 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 3990d05..74e1c5c 100644 (file)
--- 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>;