[PATCH 0/5] mfd/extcon/regulators: max77843: add dtschema/bindings

[PATCH 0/5] mfd/extcon/regulators: max77843: add dtschema/bindings

[Krzysztof Kozlowski]

Hi,

The max77843 shares some parts with max77693 but it lacked bindings.  All
its compatibles were undocumented.  Add basic bindings for max77843,
matching existing devicetree.  These are not complete bindings, but
rather reverse-engineered to match current state.

I do not have access to device with MAX77843, so if anyone else
volunteers to be the bindings maintainer, please join.

Dependencies
============
1. Patch 1/5 (dts): nothing depends on it, sending here so Rob's automatic
   checker won't complain about DTS.
   I will take it via Samsung SoC tree.

2. The patch 4/5 (mfd bindings) depends on regulator and extcon, so they
   should come together (3+4+5).

Best regards,
Krzysztof

Krzysztof Kozlowski (5):
  arm64: dts: exynos: Align MAX77843 nodes with dtschema on TM2
  dt-bindings: extcon: maxim,max77843: add MAX77843 bindings
  regulator: dt-bindings:  maxim,max77843: add MAX77843 bindings
  dt-bindings: mfd: maxim,max77843: add MAX77843 bindings
  MAINTAINERS: mfd: cover MAX77843 by Maxim PMIC/MUIC for Exynos boards
    entry

 .../bindings/extcon/maxim,max77843.yaml       |  40 +++++
 .../bindings/mfd/maxim,max77843.yaml          | 144 ++++++++++++++++++
 .../bindings/regulator/maxim,max77843.yaml    |  55 +++++++
 MAINTAINERS                                   |   2 +
 .../dts/exynos/exynos5433-tm2-common.dtsi     |  17 ++-
 5 files changed, 255 insertions(+), 3 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/extcon/maxim,max77843.yaml
 create mode 100644 Documentation/devicetree/bindings/mfd/maxim,max77843.yaml
 create mode 100644 Documentation/devicetree/bindings/regulator/maxim,max77843.yaml

-- 
2.32.0

[PATCH 0/5] mfd/extcon/regulators: max77843: add dtschema/bindings

[Krzysztof Kozlowski]

Hi,

The max77843 shares some parts with max77693 but it lacked bindings.  All
its compatibles were undocumented.  Add basic bindings for max77843,
matching existing devicetree.  These are not complete bindings, but
rather reverse-engineered to match current state.

I do not have access to device with MAX77843, so if anyone else
volunteers to be the bindings maintainer, please join.

Dependencies
============
1. Patch 1/5 (dts): nothing depends on it, sending here so Rob's automatic
   checker won't complain about DTS.
   I will take it via Samsung SoC tree.

2. The patch 4/5 (mfd bindings) depends on regulator and extcon, so they
   should come together (3+4+5).

Best regards,
Krzysztof

Krzysztof Kozlowski (5):
  arm64: dts: exynos: Align MAX77843 nodes with dtschema on TM2
  dt-bindings: extcon: maxim,max77843: add MAX77843 bindings
  regulator: dt-bindings:  maxim,max77843: add MAX77843 bindings
  dt-bindings: mfd: maxim,max77843: add MAX77843 bindings
  MAINTAINERS: mfd: cover MAX77843 by Maxim PMIC/MUIC for Exynos boards
    entry

 .../bindings/extcon/maxim,max77843.yaml       |  40 +++++
 .../bindings/mfd/maxim,max77843.yaml          | 144 ++++++++++++++++++
 .../bindings/regulator/maxim,max77843.yaml    |  55 +++++++
 MAINTAINERS                                   |   2 +
 .../dts/exynos/exynos5433-tm2-common.dtsi     |  17 ++-
 5 files changed, 255 insertions(+), 3 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/extcon/maxim,max77843.yaml
 create mode 100644 Documentation/devicetree/bindings/mfd/maxim,max77843.yaml
 create mode 100644 Documentation/devicetree/bindings/regulator/maxim,max77843.yaml

-- 
2.32.0


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[PATCH 1/5] arm64: dts: exynos: Align MAX77843 nodes with dtschema on TM2

[Krzysztof Kozlowski]

The newly introduced dtschema for MAX77843 MUIC require the children to
have proper naming and a port@0 property.

This should not have actual impact on MFD children driver binding,
because the max77843 MFD driver uses compatibles.  The port@0 is
disabled to avoid any impact.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>

---

Please kindly test or even better - fix the DTS and extcon driver.
---
 .../boot/dts/exynos/exynos5433-tm2-common.dtsi  | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

diff --git a/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi b/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi
index cbcc01a66aab..03f7c9acaacb 100644
--- a/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi
+++ b/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi
@@ -858,10 +858,10 @@ pmic@66 {
 		interrupts = <5 IRQ_TYPE_EDGE_FALLING>;
 		reg = <0x66>;
 
-		muic: max77843-muic {
+		muic: extcon {
 			compatible = "maxim,max77843-muic";
 
-			musb_con: musb-connector {
+			musb_con: connector {
 				compatible = "samsung,usb-connector-11pin",
 					     "usb-b-connector";
 				label = "micro-USB";
@@ -871,6 +871,17 @@ ports {
 					#address-cells = <1>;
 					#size-cells = <0>;
 
+					port@0 {
+						/*
+						 * TODO: The DTS this is based on does not have
+						 * port@0 which is a required property. The ports
+						 * look incomplete and need fixing.
+						 * Add a disabled port just to satisfy dtschema.
+						 */
+						reg = <0>;
+						status = "disabled";
+					};
+
 					port@3 {
 						reg = <3>;
 						musb_con_to_mhl: endpoint {
@@ -910,7 +921,7 @@ charger_reg: CHARGER {
 			};
 		};
 
-		haptic: max77843-haptic {
+		haptic: motor-driver {
 			compatible = "maxim,max77843-haptic";
 			haptic-supply = <&ldo38_reg>;
 			pwms = <&pwm 0 33670 0>;
-- 
2.32.0

[PATCH 1/5] arm64: dts: exynos: Align MAX77843 nodes with dtschema on TM2

[Krzysztof Kozlowski]

The newly introduced dtschema for MAX77843 MUIC require the children to
have proper naming and a port@0 property.

This should not have actual impact on MFD children driver binding,
because the max77843 MFD driver uses compatibles.  The port@0 is
disabled to avoid any impact.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>

---

Please kindly test or even better - fix the DTS and extcon driver.
---
 .../boot/dts/exynos/exynos5433-tm2-common.dtsi  | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

diff --git a/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi b/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi
index cbcc01a66aab..03f7c9acaacb 100644
--- a/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi
+++ b/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi
@@ -858,10 +858,10 @@ pmic@66 {
 		interrupts = <5 IRQ_TYPE_EDGE_FALLING>;
 		reg = <0x66>;
 
-		muic: max77843-muic {
+		muic: extcon {
 			compatible = "maxim,max77843-muic";
 
-			musb_con: musb-connector {
+			musb_con: connector {
 				compatible = "samsung,usb-connector-11pin",
 					     "usb-b-connector";
 				label = "micro-USB";
@@ -871,6 +871,17 @@ ports {
 					#address-cells = <1>;
 					#size-cells = <0>;
 
+					port@0 {
+						/*
+						 * TODO: The DTS this is based on does not have
+						 * port@0 which is a required property. The ports
+						 * look incomplete and need fixing.
+						 * Add a disabled port just to satisfy dtschema.
+						 */
+						reg = <0>;
+						status = "disabled";
+					};
+
 					port@3 {
 						reg = <3>;
 						musb_con_to_mhl: endpoint {
@@ -910,7 +921,7 @@ charger_reg: CHARGER {
 			};
 		};
 
-		haptic: max77843-haptic {
+		haptic: motor-driver {
 			compatible = "maxim,max77843-haptic";
 			haptic-supply = <&ldo38_reg>;
 			pwms = <&pwm 0 33670 0>;
-- 
2.32.0


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[PATCH 2/5] dt-bindings: extcon: maxim,max77843: add MAX77843 bindings

[Krzysztof Kozlowski]

Document the bindings for MAX77843 MUIC/extcon driver, based on
Exynos5433 TM2 devicetree.  These are neither accurate nor finished
bindings but at least allow parsing existing DTS files.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
---
 .../bindings/extcon/maxim,max77843.yaml       | 40 +++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/extcon/maxim,max77843.yaml

diff --git a/Documentation/devicetree/bindings/extcon/maxim,max77843.yaml b/Documentation/devicetree/bindings/extcon/maxim,max77843.yaml
new file mode 100644
index 000000000000..1f15a6c700f6
--- /dev/null
+++ b/Documentation/devicetree/bindings/extcon/maxim,max77843.yaml
@@ -0,0 +1,40 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/extcon/maxim,max77843.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Maxim MAX77843 MicroUSB and Companion Power Management IC Extcon
+
+maintainers:
+  - Chanwoo Choi <cw00.choi@samsung.com>
+  - Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
+
+description: |
+  This is a part of device tree bindings for Maxim MAX77843 MicroUSB
+  Integrated Circuit (MUIC).
+
+  See also Documentation/devicetree/bindings/mfd/maxim,max77843.yaml for
+  additional information and example.
+
+properties:
+  compatible:
+    const: maxim,max77843-muic
+
+  connector:
+    $ref: ../connector/usb-connector.yaml#
+
+  ports:
+    $ref: /schemas/graph.yaml#/properties/port
+    description:
+      Any connector to the data bus of this controller should be modelled using
+      the OF graph bindings specified
+    properties:
+      port:
+        $ref: /schemas/graph.yaml#/properties/port
+
+required:
+  - compatible
+  - connector
+
+additionalProperties: false
-- 
2.32.0

[PATCH 2/5] dt-bindings: extcon: maxim, max77843: add MAX77843 bindings

[Krzysztof Kozlowski]

Document the bindings for MAX77843 MUIC/extcon driver, based on
Exynos5433 TM2 devicetree.  These are neither accurate nor finished
bindings but at least allow parsing existing DTS files.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
---
 .../bindings/extcon/maxim,max77843.yaml       | 40 +++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/extcon/maxim,max77843.yaml

diff --git a/Documentation/devicetree/bindings/extcon/maxim,max77843.yaml b/Documentation/devicetree/bindings/extcon/maxim,max77843.yaml
new file mode 100644
index 000000000000..1f15a6c700f6
--- /dev/null
+++ b/Documentation/devicetree/bindings/extcon/maxim,max77843.yaml
@@ -0,0 +1,40 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/extcon/maxim,max77843.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Maxim MAX77843 MicroUSB and Companion Power Management IC Extcon
+
+maintainers:
+  - Chanwoo Choi <cw00.choi@samsung.com>
+  - Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
+
+description: |
+  This is a part of device tree bindings for Maxim MAX77843 MicroUSB
+  Integrated Circuit (MUIC).
+
+  See also Documentation/devicetree/bindings/mfd/maxim,max77843.yaml for
+  additional information and example.
+
+properties:
+  compatible:
+    const: maxim,max77843-muic
+
+  connector:
+    $ref: ../connector/usb-connector.yaml#
+
+  ports:
+    $ref: /schemas/graph.yaml#/properties/port
+    description:
+      Any connector to the data bus of this controller should be modelled using
+      the OF graph bindings specified
+    properties:
+      port:
+        $ref: /schemas/graph.yaml#/properties/port
+
+required:
+  - compatible
+  - connector
+
+additionalProperties: false
-- 
2.32.0


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[PATCH 3/5] regulator: dt-bindings: maxim,max77843: add MAX77843 bindings

[Krzysztof Kozlowski]

Document the bindings for MAX77843 regulator driver.  The bindings are
almost identical to MAX77693 bindings, except the actual names of
regulators.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
---
 .../bindings/regulator/maxim,max77843.yaml    | 55 +++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/regulator/maxim,max77843.yaml

diff --git a/Documentation/devicetree/bindings/regulator/maxim,max77843.yaml b/Documentation/devicetree/bindings/regulator/maxim,max77843.yaml
new file mode 100644
index 000000000000..1ab58c756d7c
--- /dev/null
+++ b/Documentation/devicetree/bindings/regulator/maxim,max77843.yaml
@@ -0,0 +1,55 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/regulator/maxim,max77843.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Maxim MAX77843 MicroUSB and Companion Power Management IC regulators
+
+maintainers:
+  - Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
+
+description: |
+  This is a part of device tree bindings for Maxim MAX77843 MicroUSB Integrated
+  Circuit (MUIC).
+
+  See also Documentation/devicetree/bindings/mfd/maxim,max77843.yaml for
+  additional information and example.
+
+properties:
+  compatible:
+    const: maxim,max77843-regulator
+
+patternProperties:
+  "^SAFEOUT[12]$":
+    type: object
+    $ref: regulator.yaml#
+    unevaluatedProperties: false
+    description: |
+      Safeout LDO regulator.
+
+    properties:
+      regulator-min-microvolt: true
+      regulator-max-microvolt: true
+
+    required:
+      - regulator-name
+
+  "^CHARGER$":
+    type: object
+    $ref: regulator.yaml#
+    unevaluatedProperties: false
+    description: |
+      Current regulator.
+
+    properties:
+      regulator-min-microamp: true
+      regulator-max-microamp: true
+
+    required:
+      - regulator-name
+
+required:
+  - compatible
+
+additionalProperties: false
-- 
2.32.0

[PATCH 3/5] regulator: dt-bindings: maxim, max77843: add MAX77843 bindings

[Krzysztof Kozlowski]

Document the bindings for MAX77843 regulator driver.  The bindings are
almost identical to MAX77693 bindings, except the actual names of
regulators.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
---
 .../bindings/regulator/maxim,max77843.yaml    | 55 +++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/regulator/maxim,max77843.yaml

diff --git a/Documentation/devicetree/bindings/regulator/maxim,max77843.yaml b/Documentation/devicetree/bindings/regulator/maxim,max77843.yaml
new file mode 100644
index 000000000000..1ab58c756d7c
--- /dev/null
+++ b/Documentation/devicetree/bindings/regulator/maxim,max77843.yaml
@@ -0,0 +1,55 @@
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/regulator/maxim,max77843.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Maxim MAX77843 MicroUSB and Companion Power Management IC regulators
+
+maintainers:
+  - Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
+
+description: |
+  This is a part of device tree bindings for Maxim MAX77843 MicroUSB Integrated
+  Circuit (MUIC).
+
+  See also Documentation/devicetree/bindings/mfd/maxim,max77843.yaml for
+  additional information and example.
+
+properties:
+  compatible:
+    const: maxim,max77843-regulator
+
+patternProperties:
+  "^SAFEOUT[12]$":
+    type: object
+    $ref: regulator.yaml#
+    unevaluatedProperties: false
+    description: |
+      Safeout LDO regulator.
+
+    properties:
+      regulator-min-microvolt: true
+      regulator-max-microvolt: true
+
+    required:
+      - regulator-name
+
+  "^CHARGER$":
+    type: object
+    $ref: regulator.yaml#
+    unevaluatedProperties: false
+    description: |
+      Current regulator.
+
+    properties:
+      regulator-min-microamp: true
+      regulator-max-microamp: true
+
+    required:
+      - regulator-name
+
+required:
+  - compatible
+
+additionalProperties: false
-- 
2.32.0


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[PATCH 4/5] dt-bindings: mfd: maxim,max77843: add MAX77843 bindings

[Krzysztof Kozlowski]

Document the bindings for MAX77843 MFD driver, based on Exynos5433 TM2
devicetree.  These are neither accurate nor finished bindings but at
least allow parsing existing DTS files.

The example DTS was copied from existing DTS
(exynos5433-tm2-common.dtsi), so keep the license as GPL-2.0-only.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
---
 .../bindings/mfd/maxim,max77843.yaml          | 144 ++++++++++++++++++
 1 file changed, 144 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/mfd/maxim,max77843.yaml

diff --git a/Documentation/devicetree/bindings/mfd/maxim,max77843.yaml b/Documentation/devicetree/bindings/mfd/maxim,max77843.yaml
new file mode 100644
index 000000000000..7f3d74f254af
--- /dev/null
+++ b/Documentation/devicetree/bindings/mfd/maxim,max77843.yaml
@@ -0,0 +1,144 @@
+# SPDX-License-Identifier: GPL-2.0-only
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mfd/maxim,max77843.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Maxim MAX77843 MicroUSB and Companion Power Management IC
+
+maintainers:
+  - Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
+
+description: |
+  This is a part of device tree bindings for Maxim MAX77843 MicroUSB
+  Integrated Circuit (MUIC).
+
+  The Maxim MAX77843 is a MicroUSB and Companion Power Management IC which
+  includes voltage current regulators, charger, fuel-gauge, haptic motor driver
+  and MicroUSB management IC.
+
+properties:
+  compatible:
+    const: maxim,max77843
+
+  interrupts:
+    maxItems: 1
+
+  reg:
+    maxItems: 1
+
+  extcon:
+    $ref: ../extcon/maxim,max77843.yaml
+
+  motor-driver:
+    type: object
+    properties:
+      compatible:
+        const: maxim,max77843-haptic
+
+      haptic-supply:
+        description: Power supply to the haptic motor
+
+      pwms:
+        maxItems: 1
+
+    required:
+      - compatible
+      - haptic-supply
+      - pwms
+
+  regulators:
+    $ref: ../regulator/maxim,max77843.yaml
+
+required:
+  - compatible
+  - interrupts
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        pmic@66 {
+            compatible = "maxim,max77843";
+            interrupt-parent = <&gpa1>;
+            interrupts = <5 IRQ_TYPE_EDGE_FALLING>;
+            reg = <0x66>;
+
+            extcon {
+                compatible = "maxim,max77843-muic";
+
+                connector {
+                    compatible = "samsung,usb-connector-11pin",
+                                 "usb-b-connector";
+                    label = "micro-USB";
+                    type = "micro";
+
+                    ports {
+                        #address-cells = <1>;
+                        #size-cells = <0>;
+
+                        port@0 {
+                            /*
+                             * TODO: The DTS this is based on does not have
+                             * port@0 which is a required property. The ports
+                             * look incomplete and need fixing.
+                             * Add a disabled port just to satisfy dtschema.
+                             */
+                            reg = <0>;
+                            status = "disabled";
+                        };
+
+                        port@3 {
+                            reg = <3>;
+                            endpoint {
+                                remote-endpoint = <&mhl_to_musb_con>;
+                            };
+                        };
+                    };
+                };
+
+                ports {
+                    port {
+                        endpoint {
+                            remote-endpoint = <&usb_to_muic>;
+                        };
+                    };
+                };
+            };
+
+            regulators {
+                compatible = "maxim,max77843-regulator";
+
+                SAFEOUT1 {
+                    regulator-name = "SAFEOUT1";
+                    regulator-min-microvolt = <3300000>;
+                    regulator-max-microvolt = <4950000>;
+                };
+
+                SAFEOUT2 {
+                    regulator-name = "SAFEOUT2";
+                    regulator-min-microvolt = <3300000>;
+                    regulator-max-microvolt = <4950000>;
+                };
+
+                CHARGER {
+                    regulator-name = "CHARGER";
+                    regulator-min-microamp = <100000>;
+                    regulator-max-microamp = <3150000>;
+                };
+            };
+
+            motor-driver {
+                compatible = "maxim,max77843-haptic";
+                haptic-supply = <&ldo38_reg>;
+                pwms = <&pwm 0 33670 0>;
+            };
+        };
+    };
-- 
2.32.0

[PATCH 4/5] dt-bindings: mfd: maxim,max77843: add MAX77843 bindings

[Krzysztof Kozlowski]

Document the bindings for MAX77843 MFD driver, based on Exynos5433 TM2
devicetree.  These are neither accurate nor finished bindings but at
least allow parsing existing DTS files.

The example DTS was copied from existing DTS
(exynos5433-tm2-common.dtsi), so keep the license as GPL-2.0-only.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
---
 .../bindings/mfd/maxim,max77843.yaml          | 144 ++++++++++++++++++
 1 file changed, 144 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/mfd/maxim,max77843.yaml

diff --git a/Documentation/devicetree/bindings/mfd/maxim,max77843.yaml b/Documentation/devicetree/bindings/mfd/maxim,max77843.yaml
new file mode 100644
index 000000000000..7f3d74f254af
--- /dev/null
+++ b/Documentation/devicetree/bindings/mfd/maxim,max77843.yaml
@@ -0,0 +1,144 @@
+# SPDX-License-Identifier: GPL-2.0-only
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mfd/maxim,max77843.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Maxim MAX77843 MicroUSB and Companion Power Management IC
+
+maintainers:
+  - Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
+
+description: |
+  This is a part of device tree bindings for Maxim MAX77843 MicroUSB
+  Integrated Circuit (MUIC).
+
+  The Maxim MAX77843 is a MicroUSB and Companion Power Management IC which
+  includes voltage current regulators, charger, fuel-gauge, haptic motor driver
+  and MicroUSB management IC.
+
+properties:
+  compatible:
+    const: maxim,max77843
+
+  interrupts:
+    maxItems: 1
+
+  reg:
+    maxItems: 1
+
+  extcon:
+    $ref: ../extcon/maxim,max77843.yaml
+
+  motor-driver:
+    type: object
+    properties:
+      compatible:
+        const: maxim,max77843-haptic
+
+      haptic-supply:
+        description: Power supply to the haptic motor
+
+      pwms:
+        maxItems: 1
+
+    required:
+      - compatible
+      - haptic-supply
+      - pwms
+
+  regulators:
+    $ref: ../regulator/maxim,max77843.yaml
+
+required:
+  - compatible
+  - interrupts
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        pmic@66 {
+            compatible = "maxim,max77843";
+            interrupt-parent = <&gpa1>;
+            interrupts = <5 IRQ_TYPE_EDGE_FALLING>;
+            reg = <0x66>;
+
+            extcon {
+                compatible = "maxim,max77843-muic";
+
+                connector {
+                    compatible = "samsung,usb-connector-11pin",
+                                 "usb-b-connector";
+                    label = "micro-USB";
+                    type = "micro";
+
+                    ports {
+                        #address-cells = <1>;
+                        #size-cells = <0>;
+
+                        port@0 {
+                            /*
+                             * TODO: The DTS this is based on does not have
+                             * port@0 which is a required property. The ports
+                             * look incomplete and need fixing.
+                             * Add a disabled port just to satisfy dtschema.
+                             */
+                            reg = <0>;
+                            status = "disabled";
+                        };
+
+                        port@3 {
+                            reg = <3>;
+                            endpoint {
+                                remote-endpoint = <&mhl_to_musb_con>;
+                            };
+                        };
+                    };
+                };
+
+                ports {
+                    port {
+                        endpoint {
+                            remote-endpoint = <&usb_to_muic>;
+                        };
+                    };
+                };
+            };
+
+            regulators {
+                compatible = "maxim,max77843-regulator";
+
+                SAFEOUT1 {
+                    regulator-name = "SAFEOUT1";
+                    regulator-min-microvolt = <3300000>;
+                    regulator-max-microvolt = <4950000>;
+                };
+
+                SAFEOUT2 {
+                    regulator-name = "SAFEOUT2";
+                    regulator-min-microvolt = <3300000>;
+                    regulator-max-microvolt = <4950000>;
+                };
+
+                CHARGER {
+                    regulator-name = "CHARGER";
+                    regulator-min-microamp = <100000>;
+                    regulator-max-microamp = <3150000>;
+                };
+            };
+
+            motor-driver {
+                compatible = "maxim,max77843-haptic";
+                haptic-supply = <&ldo38_reg>;
+                pwms = <&pwm 0 33670 0>;
+            };
+        };
+    };
-- 
2.32.0


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[PATCH 5/5] MAINTAINERS: mfd: cover MAX77843 by Maxim PMIC/MUIC for Exynos boards entry

[Krzysztof Kozlowski]

The MAX77843 is used in Exynos5433-based TM2 boards and shares some
parts of code with MAX77693 (regulator and haptic motor drivers).
Include all MAX77843 drivers in the entry for Maxim PMIC/MUIC drivers
for Exynos boards, so they will receive some dedicated review coverage.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
---
 MAINTAINERS | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/MAINTAINERS b/MAINTAINERS
index e5f2758531bc..d1f8f312f322 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -11693,8 +11693,10 @@ L:	linux-kernel@vger.kernel.org
 S:	Supported
 F:	Documentation/devicetree/bindings/*/maxim,max77686.yaml
 F:	Documentation/devicetree/bindings/*/maxim,max77693.yaml
+F:	Documentation/devicetree/bindings/*/maxim,max77843.yaml
 F:	Documentation/devicetree/bindings/clock/maxim,max77686.txt
 F:	Documentation/devicetree/bindings/mfd/max14577.txt
+F:	drivers/*/*max77843.c
 F:	drivers/*/max14577*.c
 F:	drivers/*/max77686*.c
 F:	drivers/*/max77693*.c
-- 
2.32.0

[PATCH 5/5] MAINTAINERS: mfd: cover MAX77843 by Maxim PMIC/MUIC for Exynos boards entry

[Krzysztof Kozlowski]

The MAX77843 is used in Exynos5433-based TM2 boards and shares some
parts of code with MAX77693 (regulator and haptic motor drivers).
Include all MAX77843 drivers in the entry for Maxim PMIC/MUIC drivers
for Exynos boards, so they will receive some dedicated review coverage.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
---
 MAINTAINERS | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/MAINTAINERS b/MAINTAINERS
index e5f2758531bc..d1f8f312f322 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -11693,8 +11693,10 @@ L:	linux-kernel@vger.kernel.org
 S:	Supported
 F:	Documentation/devicetree/bindings/*/maxim,max77686.yaml
 F:	Documentation/devicetree/bindings/*/maxim,max77693.yaml
+F:	Documentation/devicetree/bindings/*/maxim,max77843.yaml
 F:	Documentation/devicetree/bindings/clock/maxim,max77686.txt
 F:	Documentation/devicetree/bindings/mfd/max14577.txt
+F:	drivers/*/*max77843.c
 F:	drivers/*/max14577*.c
 F:	drivers/*/max77686*.c
 F:	drivers/*/max77693*.c
-- 
2.32.0


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Re: [PATCH 2/5] dt-bindings: extcon: maxim,max77843: add MAX77843 bindings

[Rob Herring]

On Wed, Dec 29, 2021 at 01:46:28PM +0100, Krzysztof Kozlowski wrote:
> Document the bindings for MAX77843 MUIC/extcon driver, based on
> Exynos5433 TM2 devicetree.  These are neither accurate nor finished
> bindings but at least allow parsing existing DTS files.
> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
> ---
>  .../bindings/extcon/maxim,max77843.yaml       | 40 +++++++++++++++++++
>  1 file changed, 40 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/extcon/maxim,max77843.yaml
> 
> diff --git a/Documentation/devicetree/bindings/extcon/maxim,max77843.yaml b/Documentation/devicetree/bindings/extcon/maxim,max77843.yaml
> new file mode 100644
> index 000000000000..1f15a6c700f6
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/extcon/maxim,max77843.yaml
> @@ -0,0 +1,40 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/extcon/maxim,max77843.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Maxim MAX77843 MicroUSB and Companion Power Management IC Extcon
> +
> +maintainers:
> +  - Chanwoo Choi <cw00.choi@samsung.com>
> +  - Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
> +
> +description: |
> +  This is a part of device tree bindings for Maxim MAX77843 MicroUSB
> +  Integrated Circuit (MUIC).
> +
> +  See also Documentation/devicetree/bindings/mfd/maxim,max77843.yaml for
> +  additional information and example.
> +
> +properties:
> +  compatible:
> +    const: maxim,max77843-muic
> +
> +  connector:
> +    $ref: ../connector/usb-connector.yaml#

/schemas/connector/...

With that,

Reviewed-by: Rob Herring <robh@kernel.org>

> +
> +  ports:
> +    $ref: /schemas/graph.yaml#/properties/port
> +    description:
> +      Any connector to the data bus of this controller should be modelled using
> +      the OF graph bindings specified
> +    properties:
> +      port:
> +        $ref: /schemas/graph.yaml#/properties/port
> +
> +required:
> +  - compatible
> +  - connector
> +
> +additionalProperties: false
> -- 
> 2.32.0
> 
> 

Re: [PATCH 2/5] dt-bindings: extcon: maxim,max77843: add MAX77843 bindings

[Rob Herring]

On Wed, Dec 29, 2021 at 01:46:28PM +0100, Krzysztof Kozlowski wrote:
> Document the bindings for MAX77843 MUIC/extcon driver, based on
> Exynos5433 TM2 devicetree.  These are neither accurate nor finished
> bindings but at least allow parsing existing DTS files.
> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
> ---
>  .../bindings/extcon/maxim,max77843.yaml       | 40 +++++++++++++++++++
>  1 file changed, 40 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/extcon/maxim,max77843.yaml
> 
> diff --git a/Documentation/devicetree/bindings/extcon/maxim,max77843.yaml b/Documentation/devicetree/bindings/extcon/maxim,max77843.yaml
> new file mode 100644
> index 000000000000..1f15a6c700f6
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/extcon/maxim,max77843.yaml
> @@ -0,0 +1,40 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/extcon/maxim,max77843.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Maxim MAX77843 MicroUSB and Companion Power Management IC Extcon
> +
> +maintainers:
> +  - Chanwoo Choi <cw00.choi@samsung.com>
> +  - Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
> +
> +description: |
> +  This is a part of device tree bindings for Maxim MAX77843 MicroUSB
> +  Integrated Circuit (MUIC).
> +
> +  See also Documentation/devicetree/bindings/mfd/maxim,max77843.yaml for
> +  additional information and example.
> +
> +properties:
> +  compatible:
> +    const: maxim,max77843-muic
> +
> +  connector:
> +    $ref: ../connector/usb-connector.yaml#

/schemas/connector/...

With that,

Reviewed-by: Rob Herring <robh@kernel.org>

> +
> +  ports:
> +    $ref: /schemas/graph.yaml#/properties/port
> +    description:
> +      Any connector to the data bus of this controller should be modelled using
> +      the OF graph bindings specified
> +    properties:
> +      port:
> +        $ref: /schemas/graph.yaml#/properties/port
> +
> +required:
> +  - compatible
> +  - connector
> +
> +additionalProperties: false
> -- 
> 2.32.0
> 
> 

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Re: [PATCH 3/5] regulator: dt-bindings: maxim,max77843: add MAX77843 bindings

[Rob Herring]

On Wed, Dec 29, 2021 at 01:46:29PM +0100, Krzysztof Kozlowski wrote:
> Document the bindings for MAX77843 regulator driver.  The bindings are
> almost identical to MAX77693 bindings, except the actual names of
> regulators.

Same issues here as your other Maxim regulator conversions.

> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
> ---
>  .../bindings/regulator/maxim,max77843.yaml    | 55 +++++++++++++++++++
>  1 file changed, 55 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/regulator/maxim,max77843.yaml
> 
> diff --git a/Documentation/devicetree/bindings/regulator/maxim,max77843.yaml b/Documentation/devicetree/bindings/regulator/maxim,max77843.yaml
> new file mode 100644
> index 000000000000..1ab58c756d7c
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/regulator/maxim,max77843.yaml
> @@ -0,0 +1,55 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/regulator/maxim,max77843.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Maxim MAX77843 MicroUSB and Companion Power Management IC regulators
> +
> +maintainers:
> +  - Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
> +
> +description: |
> +  This is a part of device tree bindings for Maxim MAX77843 MicroUSB Integrated
> +  Circuit (MUIC).
> +
> +  See also Documentation/devicetree/bindings/mfd/maxim,max77843.yaml for
> +  additional information and example.
> +
> +properties:
> +  compatible:
> +    const: maxim,max77843-regulator
> +
> +patternProperties:
> +  "^SAFEOUT[12]$":
> +    type: object
> +    $ref: regulator.yaml#
> +    unevaluatedProperties: false
> +    description: |
> +      Safeout LDO regulator.
> +
> +    properties:
> +      regulator-min-microvolt: true
> +      regulator-max-microvolt: true
> +
> +    required:
> +      - regulator-name
> +
> +  "^CHARGER$":
> +    type: object
> +    $ref: regulator.yaml#
> +    unevaluatedProperties: false
> +    description: |
> +      Current regulator.
> +
> +    properties:
> +      regulator-min-microamp: true
> +      regulator-max-microamp: true
> +
> +    required:
> +      - regulator-name
> +
> +required:
> +  - compatible
> +
> +additionalProperties: false
> -- 
> 2.32.0
> 
> 

Re: [PATCH 3/5] regulator: dt-bindings: maxim,max77843: add MAX77843 bindings

[Rob Herring]

On Wed, Dec 29, 2021 at 01:46:29PM +0100, Krzysztof Kozlowski wrote:
> Document the bindings for MAX77843 regulator driver.  The bindings are
> almost identical to MAX77693 bindings, except the actual names of
> regulators.

Same issues here as your other Maxim regulator conversions.

> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
> ---
>  .../bindings/regulator/maxim,max77843.yaml    | 55 +++++++++++++++++++
>  1 file changed, 55 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/regulator/maxim,max77843.yaml
> 
> diff --git a/Documentation/devicetree/bindings/regulator/maxim,max77843.yaml b/Documentation/devicetree/bindings/regulator/maxim,max77843.yaml
> new file mode 100644
> index 000000000000..1ab58c756d7c
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/regulator/maxim,max77843.yaml
> @@ -0,0 +1,55 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/regulator/maxim,max77843.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Maxim MAX77843 MicroUSB and Companion Power Management IC regulators
> +
> +maintainers:
> +  - Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
> +
> +description: |
> +  This is a part of device tree bindings for Maxim MAX77843 MicroUSB Integrated
> +  Circuit (MUIC).
> +
> +  See also Documentation/devicetree/bindings/mfd/maxim,max77843.yaml for
> +  additional information and example.
> +
> +properties:
> +  compatible:
> +    const: maxim,max77843-regulator
> +
> +patternProperties:
> +  "^SAFEOUT[12]$":
> +    type: object
> +    $ref: regulator.yaml#
> +    unevaluatedProperties: false
> +    description: |
> +      Safeout LDO regulator.
> +
> +    properties:
> +      regulator-min-microvolt: true
> +      regulator-max-microvolt: true
> +
> +    required:
> +      - regulator-name
> +
> +  "^CHARGER$":
> +    type: object
> +    $ref: regulator.yaml#
> +    unevaluatedProperties: false
> +    description: |
> +      Current regulator.
> +
> +    properties:
> +      regulator-min-microamp: true
> +      regulator-max-microamp: true
> +
> +    required:
> +      - regulator-name
> +
> +required:
> +  - compatible
> +
> +additionalProperties: false
> -- 
> 2.32.0
> 
> 

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Re: [PATCH 4/5] dt-bindings: mfd: maxim,max77843: add MAX77843 bindings

[Rob Herring]

On Wed, Dec 29, 2021 at 01:46:30PM +0100, Krzysztof Kozlowski wrote:
> Document the bindings for MAX77843 MFD driver, based on Exynos5433 TM2
> devicetree.  These are neither accurate nor finished bindings but at
> least allow parsing existing DTS files.
> 
> The example DTS was copied from existing DTS
> (exynos5433-tm2-common.dtsi), so keep the license as GPL-2.0-only.
> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
> ---
>  .../bindings/mfd/maxim,max77843.yaml          | 144 ++++++++++++++++++
>  1 file changed, 144 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/mfd/maxim,max77843.yaml
> 
> diff --git a/Documentation/devicetree/bindings/mfd/maxim,max77843.yaml b/Documentation/devicetree/bindings/mfd/maxim,max77843.yaml
> new file mode 100644
> index 000000000000..7f3d74f254af
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mfd/maxim,max77843.yaml
> @@ -0,0 +1,144 @@
> +# SPDX-License-Identifier: GPL-2.0-only
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/mfd/maxim,max77843.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Maxim MAX77843 MicroUSB and Companion Power Management IC
> +
> +maintainers:
> +  - Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
> +
> +description: |
> +  This is a part of device tree bindings for Maxim MAX77843 MicroUSB
> +  Integrated Circuit (MUIC).
> +
> +  The Maxim MAX77843 is a MicroUSB and Companion Power Management IC which
> +  includes voltage current regulators, charger, fuel-gauge, haptic motor driver
> +  and MicroUSB management IC.
> +
> +properties:
> +  compatible:
> +    const: maxim,max77843
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  reg:
> +    maxItems: 1
> +
> +  extcon:
> +    $ref: ../extcon/maxim,max77843.yaml

/schemas/extcon/...

> +
> +  motor-driver:
> +    type: object
> +    properties:
> +      compatible:
> +        const: maxim,max77843-haptic
> +
> +      haptic-supply:
> +        description: Power supply to the haptic motor
> +
> +      pwms:
> +        maxItems: 1
> +
> +    required:
> +      - compatible
> +      - haptic-supply
> +      - pwms
> +
> +  regulators:
> +    $ref: ../regulator/maxim,max77843.yaml

And here.

With that,

Reviewed-by: Rob Herring <robh@kernel.org>

Re: [PATCH 4/5] dt-bindings: mfd: maxim,max77843: add MAX77843 bindings

[Rob Herring]

On Wed, Dec 29, 2021 at 01:46:30PM +0100, Krzysztof Kozlowski wrote:
> Document the bindings for MAX77843 MFD driver, based on Exynos5433 TM2
> devicetree.  These are neither accurate nor finished bindings but at
> least allow parsing existing DTS files.
> 
> The example DTS was copied from existing DTS
> (exynos5433-tm2-common.dtsi), so keep the license as GPL-2.0-only.
> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
> ---
>  .../bindings/mfd/maxim,max77843.yaml          | 144 ++++++++++++++++++
>  1 file changed, 144 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/mfd/maxim,max77843.yaml
> 
> diff --git a/Documentation/devicetree/bindings/mfd/maxim,max77843.yaml b/Documentation/devicetree/bindings/mfd/maxim,max77843.yaml
> new file mode 100644
> index 000000000000..7f3d74f254af
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mfd/maxim,max77843.yaml
> @@ -0,0 +1,144 @@
> +# SPDX-License-Identifier: GPL-2.0-only
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/mfd/maxim,max77843.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Maxim MAX77843 MicroUSB and Companion Power Management IC
> +
> +maintainers:
> +  - Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
> +
> +description: |
> +  This is a part of device tree bindings for Maxim MAX77843 MicroUSB
> +  Integrated Circuit (MUIC).
> +
> +  The Maxim MAX77843 is a MicroUSB and Companion Power Management IC which
> +  includes voltage current regulators, charger, fuel-gauge, haptic motor driver
> +  and MicroUSB management IC.
> +
> +properties:
> +  compatible:
> +    const: maxim,max77843
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  reg:
> +    maxItems: 1
> +
> +  extcon:
> +    $ref: ../extcon/maxim,max77843.yaml

/schemas/extcon/...

> +
> +  motor-driver:
> +    type: object
> +    properties:
> +      compatible:
> +        const: maxim,max77843-haptic
> +
> +      haptic-supply:
> +        description: Power supply to the haptic motor
> +
> +      pwms:
> +        maxItems: 1
> +
> +    required:
> +      - compatible
> +      - haptic-supply
> +      - pwms
> +
> +  regulators:
> +    $ref: ../regulator/maxim,max77843.yaml

And here.

With that,

Reviewed-by: Rob Herring <robh@kernel.org>

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Re: [PATCH 3/5] regulator: dt-bindings: maxim,max77843: add MAX77843 bindings

[Krzysztof Kozlowski]

On 04/01/2022 16:44, Rob Herring wrote:
> On Wed, Dec 29, 2021 at 01:46:29PM +0100, Krzysztof Kozlowski wrote:
>> Document the bindings for MAX77843 regulator driver.  The bindings are
>> almost identical to MAX77693 bindings, except the actual names of
>> regulators.
> 
> Same issues here as your other Maxim regulator conversions.
> 

Thanks, all comments (also from extcon and mfd) applied.


Best regards,
Krzysztof

Re: [PATCH 3/5] regulator: dt-bindings: maxim, max77843: add MAX77843 bindings

[Krzysztof Kozlowski]

On 04/01/2022 16:44, Rob Herring wrote:
> On Wed, Dec 29, 2021 at 01:46:29PM +0100, Krzysztof Kozlowski wrote:
>> Document the bindings for MAX77843 regulator driver.  The bindings are
>> almost identical to MAX77693 bindings, except the actual names of
>> regulators.
> 
> Same issues here as your other Maxim regulator conversions.
> 

Thanks, all comments (also from extcon and mfd) applied.


Best regards,
Krzysztof

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