@@ -8,6 +8,7 @@ title: Mediatek MT6779 Pin Controller
maintainers:
- Andy Teng <andy.teng@mediatek.com>
+ - AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
- Sean Wang <sean.wang@kernel.org>
description:
@@ -18,6 +19,7 @@ properties:
compatible:
enum:
- mediatek,mt6779-pinctrl
+ - mediatek,mt6795-pinctrl
- mediatek,mt6797-pinctrl
reg:
@@ -43,9 +45,7 @@ properties:
interrupt-controller: true
interrupts:
- maxItems: 1
- description: |
- Specifies the summary IRQ.
+ description: Interrupt outputs to the system interrupt controller (sysirq).
"#interrupt-cells":
const: 2
@@ -57,59 +57,6 @@ required:
- gpio-controller
- "#gpio-cells"
-allOf:
- - $ref: "pinctrl.yaml#"
- - if:
- properties:
- compatible:
- contains:
- const: mediatek,mt6779-pinctrl
- then:
- properties:
- reg:
- minItems: 9
- maxItems: 9
-
- reg-names:
- items:
- - const: gpio
- - const: iocfg_rm
- - const: iocfg_br
- - const: iocfg_lm
- - const: iocfg_lb
- - const: iocfg_rt
- - const: iocfg_lt
- - const: iocfg_tl
- - const: eint
- - if:
- properties:
- compatible:
- contains:
- const: mediatek,mt6797-pinctrl
- then:
- properties:
- reg:
- minItems: 5
- maxItems: 5
-
- reg-names:
- items:
- - const: gpio
- - const: iocfgl
- - const: iocfgb
- - const: iocfgr
- - const: iocfgt
- - if:
- properties:
- reg-names:
- contains:
- const: eint
- then:
- required:
- - interrupts
- - interrupt-controller
- - "#interrupt-cells"
-
patternProperties:
'-pins$':
type: object
@@ -169,8 +116,7 @@ patternProperties:
input-schmitt-disable: true
- drive-strength:
- enum: [2, 4, 8, 12, 16]
+ drive-strength: true
slew-rate:
enum: [0, 1]
@@ -202,6 +148,110 @@ patternProperties:
additionalProperties: false
+allOf:
+ - $ref: "pinctrl.yaml#"
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: mediatek,mt6779-pinctrl
+ then:
+ properties:
+ reg:
+ minItems: 9
+ maxItems: 9
+
+ reg-names:
+ items:
+ - const: gpio
+ - const: iocfg_rm
+ - const: iocfg_br
+ - const: iocfg_lm
+ - const: iocfg_lb
+ - const: iocfg_rt
+ - const: iocfg_lt
+ - const: iocfg_tl
+ - const: eint
+
+ interrupts:
+ items:
+ - description: EINT interrupt
+
+ patternProperties:
+ '-pins$':
+ patternProperties:
+ '^pins':
+ properties:
+ drive-strength:
+ enum: [2, 4, 8, 12, 16]
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: mediatek,mt6795-pinctrl
+ then:
+ properties:
+ reg:
+ minItems: 2
+ maxItems: 2
+
+ reg-names:
+ items:
+ - const: base
+ - const: eint
+
+ interrupts:
+ items:
+ - description: EINT interrupt
+ - description: EINT event_b interrupt
+
+ patternProperties:
+ '-pins$':
+ patternProperties:
+ '^pins':
+ properties:
+ drive-strength:
+ enum: [2, 4, 6, 8, 10, 12, 14, 16]
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: mediatek,mt6797-pinctrl
+ then:
+ properties:
+ reg:
+ minItems: 5
+ maxItems: 5
+
+ reg-names:
+ items:
+ - const: gpio
+ - const: iocfgl
+ - const: iocfgb
+ - const: iocfgr
+ - const: iocfgt
+
+ patternProperties:
+ '-pins$':
+ patternProperties:
+ '^pins':
+ properties:
+ drive-strength:
+ enum: [2, 4, 8, 12, 16]
+
+ - if:
+ properties:
+ reg-names:
+ contains:
+ const: eint
+ then:
+ required:
+ - interrupts
+ - interrupt-controller
+ - "#interrupt-cells"
+
additionalProperties: false
examples:
@@ -237,8 +287,9 @@ examples:
#interrupt-cells = <2>;
interrupts = <GIC_SPI 204 IRQ_TYPE_LEVEL_HIGH>;
- mmc0_pins_default: mmc0-0 {
- cmd-dat-pins {
+ /* GPIOs 167-174, 176-178 set as multifunction MSDC0 */
+ mmc0_pins_default: mmc0-pins {
+ pins-cmd-dat {
pinmux = <PINMUX_GPIO168__FUNC_MSDC0_DAT0>,
<PINMUX_GPIO172__FUNC_MSDC0_DAT1>,
<PINMUX_GPIO169__FUNC_MSDC0_DAT2>,
@@ -251,15 +302,29 @@ examples:
input-enable;
mediatek,pull-up-adv = <1>;
};
- clk-pins {
+ pins-clk {
pinmux = <PINMUX_GPIO176__FUNC_MSDC0_CLK>;
mediatek,pull-down-adv = <2>;
};
- rst-pins {
+ pins-rst {
pinmux = <PINMUX_GPIO178__FUNC_MSDC0_RSTB>;
mediatek,pull-up-adv = <0>;
};
};
+
+ /* GPIO0 set as multifunction GPIO0 */
+ gpio-pins {
+ pins {
+ pinmux = <PINMUX_GPIO0__FUNC_GPIO0>;
+ };
+ };
+
+ /* GPIO52 set as multifunction SDA0 */
+ i2c0-pins {
+ pins {
+ pinmux = <PINMUX_GPIO52__FUNC_SDA0>;
+ };
+ };
};
mmc0 {
deleted file mode 100644
@@ -1,227 +0,0 @@
-# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
-%YAML 1.2
----
-$id: http://devicetree.org/schemas/pinctrl/mediatek,pinctrl-mt6795.yaml#
-$schema: http://devicetree.org/meta-schemas/core.yaml#
-
-title: Mediatek MT6795 Pin Controller
-
-maintainers:
- - AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
- - Sean Wang <sean.wang@kernel.org>
-
-description: |
- The Mediatek's Pin controller is used to control SoC pins.
-
-properties:
- compatible:
- const: mediatek,mt6795-pinctrl
-
- gpio-controller: true
-
- '#gpio-cells':
- description: |
- Number of cells in GPIO specifier. Since the generic GPIO binding is used,
- the amount of cells must be specified as 2. See the below
- mentioned gpio binding representation for description of particular cells.
- const: 2
-
- gpio-ranges:
- description: GPIO valid number range.
- maxItems: 1
-
- reg:
- description:
- Physical address base for gpio base and eint registers.
- minItems: 2
-
- reg-names:
- items:
- - const: base
- - const: eint
-
- interrupt-controller: true
-
- '#interrupt-cells':
- const: 2
-
- interrupts:
- description: Interrupt outputs to the system interrupt controller (sysirq).
- minItems: 1
- items:
- - description: EINT interrupt
- - description: EINT event_b interrupt
-
-# PIN CONFIGURATION NODES
-patternProperties:
- '-pins$':
- type: object
- additionalProperties: false
- patternProperties:
- '^pins':
- type: object
- additionalProperties: false
- description: |
- A pinctrl node should contain at least one subnodes representing the
- pinctrl groups available on the machine. Each subnode will list the
- pins it needs, and how they should be configured, with regard to muxer
- configuration, pullups, drive strength, input enable/disable and
- input schmitt.
- An example of using macro:
- pincontroller {
- /* GPIO0 set as multifunction GPIO0 */
- gpio-pins {
- pins {
- pinmux = <PINMUX_GPIO0__FUNC_GPIO0>;
- }
- };
- /* GPIO45 set as multifunction SDA0 */
- i2c0-pins {
- pins {
- pinmux = <PINMUX_GPIO45__FUNC_SDA0>;
- }
- };
- };
- $ref: "pinmux-node.yaml"
-
- properties:
- pinmux:
- description: |
- Integer array, represents gpio pin number and mux setting.
- Supported pin number and mux varies for different SoCs, and are
- defined as macros in dt-bindings/pinctrl/<soc>-pinfunc.h
- directly.
-
- drive-strength:
- enum: [2, 4, 6, 8, 10, 12, 14, 16]
-
- bias-pull-down:
- oneOf:
- - type: boolean
- - enum: [100, 101, 102, 103]
- description: mt6795 pull down PUPD/R0/R1 type define value.
- description: |
- For normal pull down type, it is not necessary to specify R1R0
- values; When pull down type is PUPD/R0/R1, adding R1R0 defines
- will set different resistance values.
-
- bias-pull-up:
- oneOf:
- - type: boolean
- - enum: [100, 101, 102, 103]
- description: mt6795 pull up PUPD/R0/R1 type define value.
- description: |
- For normal pull up type, it is not necessary to specify R1R0
- values; When pull up type is PUPD/R0/R1, adding R1R0 defines
- will set different resistance values.
-
- bias-disable: true
-
- output-high: true
-
- output-low: true
-
- input-enable: true
-
- input-disable: true
-
- input-schmitt-enable: true
-
- input-schmitt-disable: true
-
- mediatek,pull-up-adv:
- description: |
- Pull up setings for 2 pull resistors, R0 and R1. User can
- configure those special pins. Valid arguments are described as below:
- 0: (R1, R0) = (0, 0) which means R1 disabled and R0 disabled.
- 1: (R1, R0) = (0, 1) which means R1 disabled and R0 enabled.
- 2: (R1, R0) = (1, 0) which means R1 enabled and R0 disabled.
- 3: (R1, R0) = (1, 1) which means R1 enabled and R0 enabled.
- $ref: /schemas/types.yaml#/definitions/uint32
- enum: [0, 1, 2, 3]
-
- mediatek,pull-down-adv:
- description: |
- Pull down settings for 2 pull resistors, R0 and R1. User can
- configure those special pins. Valid arguments are described as below:
- 0: (R1, R0) = (0, 0) which means R1 disabled and R0 disabled.
- 1: (R1, R0) = (0, 1) which means R1 disabled and R0 enabled.
- 2: (R1, R0) = (1, 0) which means R1 enabled and R0 disabled.
- 3: (R1, R0) = (1, 1) which means R1 enabled and R0 enabled.
- $ref: /schemas/types.yaml#/definitions/uint32
- enum: [0, 1, 2, 3]
-
- required:
- - pinmux
-
-allOf:
- - $ref: "pinctrl.yaml#"
-
-required:
- - compatible
- - reg
- - reg-names
- - interrupts
- - interrupt-controller
- - '#interrupt-cells'
- - gpio-controller
- - '#gpio-cells'
- - gpio-ranges
-
-additionalProperties: false
-
-examples:
- - |
- #include <dt-bindings/interrupt-controller/arm-gic.h>
- #include <dt-bindings/interrupt-controller/irq.h>
- #include <dt-bindings/pinctrl/mt6795-pinfunc.h>
-
- soc {
- #address-cells = <2>;
- #size-cells = <2>;
-
- pio: pinctrl@10005000 {
- compatible = "mediatek,mt6795-pinctrl";
- reg = <0 0x10005000 0 0x1000>, <0 0x1000b000 0 0x1000>;
- reg-names = "base", "eint";
- gpio-controller;
- #gpio-cells = <2>;
- gpio-ranges = <&pio 0 0 196>;
- interrupt-controller;
- interrupts = <GIC_SPI 153 IRQ_TYPE_LEVEL_HIGH>;
- #interrupt-cells = <2>;
-
- i2c0-pins {
- pins-sda-scl {
- pinmux = <PINMUX_GPIO45__FUNC_SDA0>,
- <PINMUX_GPIO46__FUNC_SCL0>;
- };
- };
-
- mmc0-pins {
- pins-cmd-dat {
- pinmux = <PINMUX_GPIO154__FUNC_MSDC0_DAT0>,
- <PINMUX_GPIO155__FUNC_MSDC0_DAT1>,
- <PINMUX_GPIO156__FUNC_MSDC0_DAT2>,
- <PINMUX_GPIO157__FUNC_MSDC0_DAT3>,
- <PINMUX_GPIO158__FUNC_MSDC0_DAT4>,
- <PINMUX_GPIO159__FUNC_MSDC0_DAT5>,
- <PINMUX_GPIO160__FUNC_MSDC0_DAT6>,
- <PINMUX_GPIO161__FUNC_MSDC0_DAT7>,
- <PINMUX_GPIO162__FUNC_MSDC0_CMD>;
- input-enable;
- bias-pull-up = <MTK_PUPD_SET_R1R0_01>;
- };
-
- pins-clk {
- pinmux = <PINMUX_GPIO163__FUNC_MSDC0_CLK>;
- bias-pull-down = <MTK_PUPD_SET_R1R0_10>;
- };
-
- pins-rst {
- pinmux = <PINMUX_GPIO165__FUNC_MSDC0_RSTB>;
- bias-pull-up = <MTK_PUPD_SET_R1R0_10>;
- };
- };
- };
- };