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Date: Tue, 8 Nov 2022 19:45:27 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Bjorn Andersson <andersson@...nel.org>,
Andy Gross <agross@...nel.org>,
Konrad Dybcio <konrad.dybcio@...ainline.org>,
Linus Walleij <linus.walleij@...aro.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
linux-arm-msm@...r.kernel.org, linux-gpio@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH 1/3] dt-bindings: pinctrl: qcom,msm8960: convert to dtschema
Convert Qualcomm MSM8960 pin controller bindings to DT schema. Keep the
parsing of pin configuration subnodes consistent with other Qualcomm
schemas (children named with '-state' suffix, their children with
'-pins').
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
.../bindings/pinctrl/qcom,msm8960-pinctrl.txt | 190 ------------------
.../pinctrl/qcom,msm8960-pinctrl.yaml | 164 +++++++++++++++
2 files changed, 164 insertions(+), 190 deletions(-)
delete mode 100644 Documentation/devicetree/bindings/pinctrl/qcom,msm8960-pinctrl.txt
create mode 100644 Documentation/devicetree/bindings/pinctrl/qcom,msm8960-pinctrl.yaml
diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,msm8960-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/qcom,msm8960-pinctrl.txt
deleted file mode 100644
index a7dd213c77c6..000000000000
--- a/Documentation/devicetree/bindings/pinctrl/qcom,msm8960-pinctrl.txt
+++ /dev/null
@@ -1,190 +0,0 @@
-Qualcomm MSM8960 TLMM block
-
-This binding describes the Top Level Mode Multiplexer block found in the
-MSM8960 platform.
-
-- compatible:
- Usage: required
- Value type: <string>
- Definition: must be "qcom,msm8960-pinctrl"
-
-- reg:
- Usage: required
- Value type: <prop-encoded-array>
- Definition: the base address and size of the TLMM register space.
-
-- interrupts:
- Usage: required
- Value type: <prop-encoded-array>
- Definition: should specify the TLMM summary IRQ.
-
-- interrupt-controller:
- Usage: required
- Value type: <none>
- Definition: identifies this node as an interrupt controller
-
-- #interrupt-cells:
- Usage: required
- Value type: <u32>
- Definition: must be 2. Specifying the pin number and flags, as defined
- in <dt-bindings/interrupt-controller/irq.h>
-
-- gpio-controller:
- Usage: required
- Value type: <none>
- Definition: identifies this node as a gpio controller
-
-- #gpio-cells:
- Usage: required
- Value type: <u32>
- Definition: must be 2. Specifying the pin number and flags, as defined
- in <dt-bindings/gpio/gpio.h>
-
-- gpio-ranges:
- Usage: required
- Definition: see ../gpio/gpio.txt
-
-- gpio-reserved-ranges:
- Usage: optional
- Definition: see ../gpio/gpio.txt
-
-Please refer to ../gpio/gpio.txt and ../interrupt-controller/interrupts.txt for
-a general description of GPIO and interrupt bindings.
-
-Please refer to pinctrl-bindings.txt in this directory for details of the
-common pinctrl bindings used by client devices, including the meaning of the
-phrase "pin configuration node".
-
-The pin configuration nodes act as a container for an arbitrary number of
-subnodes. Each of these subnodes represents some desired configuration for a
-pin, a group, or a list of pins or groups. This configuration can include the
-mux function to select on those pin(s)/group(s), and various pin configuration
-parameters, such as pull-up, drive strength, etc.
-
-
-PIN CONFIGURATION NODES:
-
-The name of each subnode is not important; all subnodes should be enumerated
-and processed purely based on their content.
-
-Each subnode only affects those parameters that are explicitly listed. In
-other words, a subnode that lists a mux function but no pin configuration
-parameters implies no information about any pin configuration parameters.
-Similarly, a pin subnode that describes a pullup parameter implies no
-information about e.g. the mux function.
-
-
-The following generic properties as defined in pinctrl-bindings.txt are valid
-to specify in a pin configuration subnode:
-
-- pins:
- Usage: required
- Value type: <string-array>
- Definition: List of gpio pins affected by the properties specified in
- this subnode. Valid pins are:
- gpio0-gpio151,
- sdc1_clk,
- sdc1_cmd,
- sdc1_data
- sdc3_clk,
- sdc3_cmd,
- sdc3_data
-
-- function:
- Usage: required
- Value type: <string>
- Definition: Specify the alternative function to be configured for the
- specified pins. Functions are only valid for gpio pins.
- Valid values are:
- audio_pcm, bt, cam_mclk0, cam_mclk1, cam_mclk2,
- codec_mic_i2s, codec_spkr_i2s, ext_gps, fm, gps_blanking,
- gps_pps_in, gps_pps_out, gp_clk_0a, gp_clk_0b, gp_clk_1a,
- gp_clk_1b, gp_clk_2a, gp_clk_2b, gp_mn, gp_pdm_0a,
- gp_pdm_0b, gp_pdm_1a, gp_pdm_1b, gp_pdm_2a, gp_pdm_2b, gpio,
- gsbi1, gsbi1_spi_cs1_n, gsbi1_spi_cs2a_n, gsbi1_spi_cs2b_n,
- gsbi1_spi_cs3_n, gsbi2, gsbi2_spi_cs1_n, gsbi2_spi_cs2_n,
- gsbi2_spi_cs3_n, gsbi3, gsbi4, gsbi4_3d_cam_i2c_l,
- gsbi4_3d_cam_i2c_r, gsbi5, gsbi5_3d_cam_i2c_l,
- gsbi5_3d_cam_i2c_r, gsbi6, gsbi7, gsbi8, gsbi9, gsbi10,
- gsbi11, gsbi11_spi_cs1a_n, gsbi11_spi_cs1b_n,
- gsbi11_spi_cs2a_n, gsbi11_spi_cs2b_n, gsbi11_spi_cs3_n,
- gsbi12, hdmi_cec, hdmi_ddc_clock, hdmi_ddc_data,
- hdmi_hot_plug_detect, hsic, mdp_vsync, mi2s, mic_i2s,
- pmb_clk, pmb_ext_ctrl, ps_hold, rpm_wdog, sdc2, sdc4, sdc5,
- slimbus1, slimbus2, spkr_i2s, ssbi1, ssbi2, ssbi_ext_gps,
- ssbi_pmic2, ssbi_qpa1, ssbi_ts, tsif1, tsif2, ts_eoc,
- usb_fs1, usb_fs1_oe, usb_fs1_oe_n, usb_fs2, usb_fs2_oe,
- usb_fs2_oe_n, vfe_camif_timer1_a, vfe_camif_timer1_b,
- vfe_camif_timer2, vfe_camif_timer3_a, vfe_camif_timer3_b,
- vfe_camif_timer4_a, vfe_camif_timer4_b, vfe_camif_timer4_c,
- vfe_camif_timer5_a, vfe_camif_timer5_b, vfe_camif_timer6_a,
- vfe_camif_timer6_b, vfe_camif_timer6_c, vfe_camif_timer7_a,
- vfe_camif_timer7_b, vfe_camif_timer7_c, wlan
-
-- bias-disable:
- Usage: optional
- Value type: <none>
- Definition: The specified pins should be configured as no pull.
-
-- bias-pull-down:
- Usage: optional
- Value type: <none>
- Definition: The specified pins should be configured as pull down.
-
-- bias-pull-up:
- Usage: optional
- Value type: <none>
- Definition: The specified pins should be configured as pull up.
-
-- output-high:
- Usage: optional
- Value type: <none>
- Definition: The specified pins are configured in output mode, driven
- high.
- Not valid for sdc pins.
-
-- output-low:
- Usage: optional
- Value type: <none>
- Definition: The specified pins are configured in output mode, driven
- low.
- Not valid for sdc pins.
-
-- drive-strength:
- Usage: optional
- Value type: <u32>
- Definition: Selects the drive strength for the specified pins, in mA.
- Valid values are: 2, 4, 6, 8, 10, 12, 14 and 16
-
-Example:
-
- msmgpio: pinctrl@...000 {
- compatible = "qcom,msm8960-pinctrl";
- reg = <0x800000 0x4000>;
-
- gpio-controller;
- #gpio-cells = <2>;
- gpio-ranges = <&msmgpio 0 0 152>;
- interrupt-controller;
- #interrupt-cells = <2>;
- interrupts = <0 16 0x4>;
-
- gsbi8_uart: gsbi8-uart {
- mux {
- pins = "gpio34", "gpio35";
- function = "gsbi8";
- };
-
- tx {
- pins = "gpio34";
- drive-strength = <4>;
- bias-disable;
- };
-
- rx {
- pins = "gpio35";
- drive-strength = <2>;
- bias-pull-up;
- };
- };
- };
diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,msm8960-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/qcom,msm8960-pinctrl.yaml
new file mode 100644
index 000000000000..a568f6ad8957
--- /dev/null
+++ b/Documentation/devicetree/bindings/pinctrl/qcom,msm8960-pinctrl.yaml
@@ -0,0 +1,164 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pinctrl/qcom,msm8960-pinctrl.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm MSM8960 TLMM pin controller
+
+maintainers:
+ - Bjorn Andersson <andersson@...nel.org>
+ - Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
+
+description:
+ Top Level Mode Multiplexer pin controller in Qualcomm MSM8960 SoC.
+
+properties:
+ compatible:
+ const: qcom,msm8960-pinctrl
+
+ reg:
+ maxItems: 1
+
+ interrupts: true
+ interrupt-controller: true
+ "#interrupt-cells": true
+ gpio-controller: true
+ "#gpio-cells": true
+ gpio-ranges: true
+ wakeup-parent: true
+
+ gpio-reserved-ranges:
+ minItems: 1
+ maxItems: 76
+
+ gpio-line-names:
+ maxItems: 152
+
+patternProperties:
+ "-state$":
+ oneOf:
+ - $ref: "#/$defs/qcom-msm8960-tlmm-state"
+ - patternProperties:
+ "-pins$":
+ $ref: "#/$defs/qcom-msm8960-tlmm-state"
+ additionalProperties: false
+
+$defs:
+ qcom-msm8960-tlmm-state:
+ type: object
+ description:
+ Pinctrl node's client devices use subnodes for desired pin configuration.
+ Client device subnodes use below standard properties.
+ $ref: qcom,tlmm-common.yaml#/$defs/qcom-tlmm-state
+
+ properties:
+ pins:
+ description:
+ List of gpio pins affected by the properties specified in this
+ subnode.
+ items:
+ oneOf:
+ - pattern: "^gpio([0-9]|[1-4][0-9]|15[01])$"
+ - enum: [ sdc1_clk, sdc1_cmd, sdc1_data, sdc3_clk, sdc3_cmd,
+ sdc3_data ]
+ minItems: 1
+ maxItems: 36
+
+ function:
+ description:
+ Specify the alternative function to be configured for the specified
+ pins.
+
+ enum: [ gpio, audio_pcm, bt, cam_mclk0, cam_mclk1, cam_mclk2,
+ codec_mic_i2s, codec_spkr_i2s, ext_gps, fm, gps_blanking,
+ gps_pps_in, gps_pps_out, gp_clk_0a, gp_clk_0b, gp_clk_1a,
+ gp_clk_1b, gp_clk_2a, gp_clk_2b, gp_mn, gp_pdm_0a, gp_pdm_0b,
+ gp_pdm_1a, gp_pdm_1b, gp_pdm_2a, gp_pdm_2b, gsbi1,
+ gsbi1_spi_cs1_n, gsbi1_spi_cs2a_n, gsbi1_spi_cs2b_n,
+ gsbi1_spi_cs3_n, gsbi2, gsbi2_spi_cs1_n, gsbi2_spi_cs2_n,
+ gsbi2_spi_cs3_n, gsbi3, gsbi4, gsbi4_3d_cam_i2c_l,
+ gsbi4_3d_cam_i2c_r, gsbi5, gsbi5_3d_cam_i2c_l,
+ gsbi5_3d_cam_i2c_r, gsbi6, gsbi7, gsbi8, gsbi9, gsbi10, gsbi11,
+ gsbi11_spi_cs1a_n, gsbi11_spi_cs1b_n, gsbi11_spi_cs2a_n,
+ gsbi11_spi_cs2b_n, gsbi11_spi_cs3_n, gsbi12, hdmi_cec,
+ hdmi_ddc_clock, hdmi_ddc_data, hdmi_hot_plug_detect, hsic,
+ mdp_vsync, mi2s, mic_i2s, pmb_clk, pmb_ext_ctrl, ps_hold,
+ rpm_wdog, sdc2, sdc4, sdc5, slimbus1, slimbus2, spkr_i2s,
+ ssbi1, ssbi2, ssbi_ext_gps, ssbi_pmic2, ssbi_qpa1, ssbi_ts,
+ tsif1, tsif2, ts_eoc, usb_fs1, usb_fs1_oe, usb_fs1_oe_n,
+ usb_fs2, usb_fs2_oe, usb_fs2_oe_n, vfe_camif_timer1_a,
+ vfe_camif_timer1_b, vfe_camif_timer2, vfe_camif_timer3_a,
+ vfe_camif_timer3_b, vfe_camif_timer4_a, vfe_camif_timer4_b,
+ vfe_camif_timer4_c, vfe_camif_timer5_a, vfe_camif_timer5_b,
+ vfe_camif_timer6_a, vfe_camif_timer6_b, vfe_camif_timer6_c,
+ vfe_camif_timer7_a, vfe_camif_timer7_b, vfe_camif_timer7_c,
+ wlan ]
+
+ bias-pull-down: true
+ bias-pull-up: true
+ bias-disable: true
+ drive-strength: true
+ input-enable: true
+ output-high: true
+ output-low: true
+
+ required:
+ - pins
+
+ additionalProperties: false
+
+allOf:
+ - $ref: /schemas/pinctrl/qcom,tlmm-common.yaml#
+
+required:
+ - compatible
+ - reg
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+ msmgpio: pinctrl@...000 {
+ compatible = "qcom,msm8960-pinctrl";
+ reg = <0x800000 0x4000>;
+ gpio-controller;
+ gpio-ranges = <&msmgpio 0 0 152>;
+ #gpio-cells = <2>;
+ interrupts = <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+
+ spi1-default-state {
+ mosi-pins {
+ pins = "gpio6";
+ function = "gsbi1";
+ drive-strength = <12>;
+ bias-disable;
+ };
+
+ miso-pins {
+ pins = "gpio7";
+ function = "gsbi1";
+ drive-strength = <12>;
+ bias-disable;
+ };
+
+ cs-pins {
+ pins = "gpio8";
+ function = "gpio";
+ drive-strength = <12>;
+ bias-disable;
+ output-low;
+ };
+
+ clk-pins {
+ pins = "gpio9";
+ function = "gsbi1";
+ drive-strength = <12>;
+ bias-disable;
+ };
+ };
+ };
--
2.34.1
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