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Date: Tue, 16 Mar 2021 15:20:13 -0600
From: Rob Herring <robh+dt@...nel.org>
To: Álvaro Fernández Rojas <noltari@...il.com>
Cc: Linus Walleij <linus.walleij@...aro.org>,
Bartosz Golaszewski <bgolaszewski@...libre.com>,
Florian Fainelli <f.fainelli@...il.com>,
"maintainer:BROADCOM BCM7XXX ARM ARCHITECTURE"
<bcm-kernel-feedback-list@...adcom.com>,
Lee Jones <lee.jones@...aro.org>,
Michael Walle <michael@...le.cc>,
Jonas Gorski <jonas.gorski@...il.com>,
Necip Fazil Yildiran <fazilyildiran@...il.com>,
Andy Shevchenko <andy.shevchenko@...il.com>,
"open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
devicetree@...r.kernel.org,
linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v7 21/22] dt-bindings: add BCM6318 GPIO sysctl binding documentation
On Mon, Mar 15, 2021 at 5:42 AM Álvaro Fernández Rojas
<noltari@...il.com> wrote:
>
> Add binding documentation for the GPIO sysctl found in BCM6318 SoCs.
>
> Signed-off-by: Álvaro Fernández Rojas <noltari@...il.com>
> ---
> v7: add changes suggested by Rob Herring
>
> .../mfd/brcm,bcm6318-gpio-sysctl.yaml | 179 ++++++++++++++++++
> 1 file changed, 179 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/mfd/brcm,bcm6318-gpio-sysctl.yaml
>
> diff --git a/Documentation/devicetree/bindings/mfd/brcm,bcm6318-gpio-sysctl.yaml b/Documentation/devicetree/bindings/mfd/brcm,bcm6318-gpio-sysctl.yaml
> new file mode 100644
> index 000000000000..7056a490a27d
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mfd/brcm,bcm6318-gpio-sysctl.yaml
> @@ -0,0 +1,179 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/mfd/brcm,bcm6318-gpio-sysctl.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Broadcom BCM6318 GPIO System Controller Device Tree Bindings
> +
> +maintainers:
> + - Álvaro Fernández Rojas <noltari@...il.com>
> + - Jonas Gorski <jonas.gorski@...il.com>
> +
> +description:
> + Broadcom BCM6318 SoC GPIO system controller which provides a register map
> + for controlling the GPIO and pins of the SoC.
Perhaps a blurb about other registers in this block. From the
registers, it looked like LED and PHY control at least.
> +
> +properties:
> + "#address-cells": true
> +
> + "#size-cells": true
> +
> + compatible:
> + items:
> + - const: brcm,bcm6318-gpio-sysctl
> + - const: syscon
> + - const: simple-mfd
> +
> + ranges:
> + maxItems: 1
> +
> + reg:
> + maxItems: 1
> +
> +patternProperties:
> + "^gpio@[0-9a-f]+$":
> + # Child node
> + type: object
> + $ref: "../gpio/brcm,bcm63xx-gpio.yaml"
> + description:
> + GPIO controller for the SoC GPIOs. This child node definition
> + should follow the bindings specified in
> + Documentation/devicetree/bindings/gpio/brcm,bcm63xx-gpio.yaml.
> +
> + "^pinctrl@[0-9a-f]+$":
> + # Child node
> + type: object
> + $ref: "../pinctrl/brcm,bcm6318-pinctrl.yaml"
> + description:
> + Pin controller for the SoC pins. This child node definition
> + should follow the bindings specified in
> + Documentation/devicetree/bindings/pinctrl/brcm,bcm6318-pinctrl.yaml.
> +
> +required:
> + - "#address-cells"
> + - compatible
> + - ranges
> + - reg
> + - "#size-cells"
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + syscon@...00080 {
> + #address-cells = <1>;
> + #size-cells = <1>;
> + compatible = "brcm,bcm6318-gpio-sysctl", "syscon", "simple-mfd";
> + reg = <0x10000080 0x80>;
> + ranges = <0 0x10000080 0x80>;
> +
> + gpio@0 {
> + compatible = "brcm,bcm6318-gpio";
> + reg = <0x0 0x10>;
> +
> + data = <0xc>;
> + dirout = <0x4>;
> +
> + gpio-controller;
> + gpio-ranges = <&pinctrl 0 0 50>;
> + #gpio-cells = <2>;
> + };
> +
> + pinctrl: pinctrl@10 {
> + compatible = "brcm,bcm6318-pinctrl";
> + reg = <0x18 0x10>, <0x54 0x18>;
> +
> + pinctrl_ephy0_spd_led: ephy0_spd_led-pins {
> + function = "ephy0_spd_led";
> + pins = "gpio0";
> + };
> +
> + pinctrl_ephy1_spd_led: ephy1_spd_led-pins {
> + function = "ephy1_spd_led";
> + pins = "gpio1";
> + };
> +
> + pinctrl_ephy2_spd_led: ephy2_spd_led-pins {
> + function = "ephy2_spd_led";
> + pins = "gpio2";
> + };
> +
> + pinctrl_ephy3_spd_led: ephy3_spd_led-pins {
> + function = "ephy3_spd_led";
> + pins = "gpio3";
> + };
> +
> + pinctrl_ephy0_act_led: ephy0_act_led-pins {
> + function = "ephy0_act_led";
> + pins = "gpio4";
> + };
> +
> + pinctrl_ephy1_act_led: ephy1_act_led-pins {
> + function = "ephy1_act_led";
> + pins = "gpio5";
> + };
> +
> + pinctrl_ephy2_act_led: ephy2_act_led-pins {
> + function = "ephy2_act_led";
> + pins = "gpio6";
> + };
> +
> + pinctrl_ephy3_act_led: ephy3_act_led-pins {
> + function = "ephy3_act_led";
> + pins = "gpio7";
> + };
> +
> + pinctrl_serial_led: serial_led-pins {
> + pinctrl_serial_led_data: serial_led_data-pins {
> + function = "serial_led_data";
> + pins = "gpio6";
> + };
> +
> + pinctrl_serial_led_clk: serial_led_clk-pins {
> + function = "serial_led_clk";
> + pins = "gpio7";
> + };
> + };
> +
> + pinctrl_inet_act_led: inet_act_led-pins {
> + function = "inet_act_led";
> + pins = "gpio8";
> + };
> +
> + pinctrl_inet_fail_led: inet_fail_led-pins {
> + function = "inet_fail_led";
> + pins = "gpio9";
> + };
> +
> + pinctrl_dsl_led: dsl_led-pins {
> + function = "dsl_led";
> + pins = "gpio10";
> + };
> +
> + pinctrl_post_fail_led: post_fail_led-pins {
> + function = "post_fail_led";
> + pins = "gpio11";
> + };
> +
> + pinctrl_wlan_wps_led: wlan_wps_led-pins {
> + function = "wlan_wps_led";
> + pins = "gpio12";
> + };
> +
> + pinctrl_usb_pwron: usb_pwron-pins {
> + function = "usb_pwron";
> + pins = "gpio13";
> + };
> +
> + pinctrl_usb_device_led: usb_device_led-pins {
> + function = "usb_device_led";
> + pins = "gpio13";
> + };
> +
> + pinctrl_usb_active: usb_active-pins {
> + function = "usb_active";
> + pins = "gpio40";
> + };
> + };
> + };
> --
> 2.20.1
>
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