Thread (24 messages) 24 messages, 7 authors, 2024-09-06

Re: [PATCH v3 2/5] dt-bindings: mfd: Add support for Airoha EN7581 GPIO System Controller

From: Rob Herring <robh@kernel.org>
Date: 2024-09-03 15:09:55
Also in: linux-devicetree, linux-gpio, linux-mediatek, linux-pwm

On Sat, Aug 31, 2024 at 04:27:47PM +0200, Lorenzo Bianconi wrote:
quoted hunk ↗ jump to hunk
From: Christian Marangi <ansuelsmth@gmail.com>

Add support for Airoha EN7581 GPIO System Controller which provide a
register map for controlling the GPIO, pinctrl and PWM of the SoC.

Schema define cells for both gpio/interrupt controller and PWM.
Moreover it provides a dedicated pinctrl node for pins and config
definitions.

Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
Co-developed-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
---
 .../bindings/mfd/airoha,en7581-gpio-sysctl.yaml    | 433 +++++++++++++++++++++
 1 file changed, 433 insertions(+)
diff --git a/Documentation/devicetree/bindings/mfd/airoha,en7581-gpio-sysctl.yaml b/Documentation/devicetree/bindings/mfd/airoha,en7581-gpio-sysctl.yaml
new file mode 100644
index 000000000000..a9080c7f50f9
--- /dev/null
+++ b/Documentation/devicetree/bindings/mfd/airoha,en7581-gpio-sysctl.yaml
@@ -0,0 +1,433 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mfd/airoha,en7581-gpio-sysctl.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Airoha EN7581 GPIO System Controller
+
+maintainers:
+  - Christian Marangi <ansuelsmth@gmail.com>
+  - Lorenzo Bianconi <lorenzo@kernel.org>
+
+description:
+  Airoha EN7581 SoC GPIO system controller which provided a register map
+  for controlling the GPIO, pins and PWM of the SoC.
+
+properties:
+  compatible:
+    const: airoha,en7581-gpio-sysctl
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  gpio-controller: true
+
+  '#gpio-cells':
+    const: 2
+
+  interrupt-controller: true
+
+  '#interrupt-cells':
+    const: 2
+
+  "#pwm-cells":
+    const: 3
+
+  pinctrl:
+    type: object
+
+    $ref: /schemas/pinctrl/pinctrl.yaml
+
+    patternProperties:
+      '-pins$':
+        type: object
+
+        patternProperties:
+          '^.*mux.*$':
Do you really need 'mux' anywhere in the node names? Isn't either a 
prefix or a suffix enough?
+            type: object
+
+            description:
+              pinmux configuration nodes.
+
+            $ref: /schemas/pinctrl/pinmux-node.yaml
+
+            properties:
+              function:
+                description:
+                  A string containing the name of the function to mux to the group.
+                enum: [pon, tod_1pps, sipo, mdio, uart, i2c, jtag, pcm, spi,
+                       pcm_spi, i2s, emmc, pnand, pcie_reset, pwm, phy1_led0,
+                       phy2_led0, phy3_led0, phy4_led0, phy1_led1, phy2_led1,
+                       phy3_led1, phy4_led1]
+
+              groups:
+                description:
+                  An array of strings. Each string contains the name of a group.
+
+            required:
+              - function
+              - groups
+
+            allOf:
+              - if:
+                  properties:
+                    function:
+                      const: pon
+                then:
+                  properties:
+                    groups:
+                      enum: [pon]
+              - if:
+                  properties:
+                    function:
+                      const: tod_1pps
+                then:
+                  properties:
+                    groups:
+                      enum: [pon_tod_1pps, gsw_tod_1pps]
+              - if:
+                  properties:
+                    function:
+                      const: sipo
+                then:
+                  properties:
+                    groups:
+                      enum: [sipo, sipo_rclk]
+              - if:
+                  properties:
+                    function:
+                      const: mdio
+                then:
+                  properties:
+                    groups:
+                      enum: [mdio]
+              - if:
+                  properties:
+                    function:
+                      const: uart
+                then:
+                  properties:
+                    groups:
+                      items:
+                        enum: [uart2, uart2_cts_rts, hsuart, hsuart_cts_rts, uart4,
+                               uart5]
+                      maxItems: 2
+              - if:
+                  properties:
+                    function:
+                      const: i2c
+                then:
+                  properties:
+                    groups:
+                      enum: [i2c1]
+              - if:
+                  properties:
+                    function:
+                      const: jtag
+                then:
+                  properties:
+                    groups:
+                      enum: [jtag_udi, jtag_dfd]
+              - if:
+                  properties:
+                    function:
+                      const: pcm
+                then:
+                  properties:
+                    groups:
+                      enum: [pcm1, pcm2]
+              - if:
+                  properties:
+                    function:
+                      const: spi
+                then:
+                  properties:
+                    groups:
+                      items:
+                        enum: [spi_quad, spi_cs1]
+                      maxItems: 2
+              - if:
+                  properties:
+                    function:
+                      const: pcm_spi
+                then:
+                  properties:
+                    groups:
+                      items:
+                        enum: [pcm_spi, pcm_spi_int, pcm_spi_rst, pcm_spi_cs1,
+                               pcm_spi_cs2_p156, pcm_spi_cs2_p128, pcm_spi_cs3,
+                               pcm_spi_cs4]
+                      maxItems: 7
+              - if:
+                  properties:
+                    function:
+                      const: i2c
+                then:
+                  properties:
+                    groups:
+                      enum: [i2s]
+              - if:
+                  properties:
+                    function:
+                      const: emmc
+                then:
+                  properties:
+                    groups:
+                      enum: [emmc]
+              - if:
+                  properties:
+                    function:
+                      const: pnand
+                then:
+                  properties:
+                    groups:
+                      enum: [pnand]
+              - if:
+                  properties:
+                    function:
+                      const: pcie_reset
+                then:
+                  properties:
+                    groups:
+                      enum: [pcie_reset0, pcie_reset1, pcie_reset2]
+              - if:
+                  properties:
+                    function:
+                      const: pwm
+                then:
+                  properties:
+                    groups:
+                      enum: [gpio0, gpio1, gpio2, gpio3, gpio4, gpio5, gpio6,
+                             gpio7, gpio8, gpio9, gpio10, gpio11, gpio12, gpio13,
+                             gpio14, gpio15, gpio16, gpio17, gpio18, gpio19,
+                             gpio20, gpio21, gpio22, gpio23, gpio24, gpio25,
+                             gpio26, gpio27, gpio28, gpio29, gpio30, gpio31,
+                             gpio36, gpio37, gpio38, gpio39, gpio40, gpio41,
+                             gpio42, gpio43, gpio44, gpio45, gpio46, gpio47]
+              - if:
+                  properties:
+                    function:
+                      const: phy1_led0
+                then:
+                  properties:
+                    groups:
+                      enum: [gpio33, gpio34, gpio35, gpio42]
+              - if:
+                  properties:
+                    function:
+                      const: phy2_led0
+                then:
+                  properties:
+                    groups:
+                      enum: [gpio33, gpio34, gpio35, gpio42]
+              - if:
+                  properties:
+                    function:
+                      const: phy3_led0
+                then:
+                  properties:
+                    groups:
+                      enum: [gpio33, gpio34, gpio35, gpio42]
+              - if:
+                  properties:
+                    function:
+                      const: phy4_led0
+                then:
+                  properties:
+                    groups:
+                      enum: [gpio33, gpio34, gpio35, gpio42]
+              - if:
+                  properties:
+                    function:
+                      const: phy1_led1
+                then:
+                  properties:
+                    groups:
+                      enum: [gpio43, gpio44, gpio45, gpio46]
+              - if:
+                  properties:
+                    function:
+                      const: phy2_led1
+                then:
+                  properties:
+                    groups:
+                      enum: [gpio43, gpio44, gpio45, gpio46]
+              - if:
+                  properties:
+                    function:
+                      const: phy3_led1
+                then:
+                  properties:
+                    groups:
+                      enum: [gpio43, gpio44, gpio45, gpio46]
+              - if:
+                  properties:
+                    function:
+                      const: phy4_led1
+                then:
+                  properties:
+                    groups:
+                      enum: [gpio43, gpio44, gpio45, gpio46]
+
+            additionalProperties: false
+
+          '^.*conf.*$':
Same here.

Otherwise, LGTM.

Rob
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