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Date: Fri, 4 Nov 2022 12:11:31 -0400
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 2/2] dt-bindings: pinctrl: qcom,qcs404: convert to dtschema
Convert Qualcomm QCS404 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').
Changes during conversion: add sdc1_rclk pins (used in qcs404-evb.dtsi).
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
.../bindings/pinctrl/qcom,qcs404-pinctrl.txt | 199 ------------------
.../bindings/pinctrl/qcom,qcs404-pinctrl.yaml | 176 ++++++++++++++++
2 files changed, 176 insertions(+), 199 deletions(-)
delete mode 100644 Documentation/devicetree/bindings/pinctrl/qcom,qcs404-pinctrl.txt
create mode 100644 Documentation/devicetree/bindings/pinctrl/qcom,qcs404-pinctrl.yaml
diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,qcs404-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/qcom,qcs404-pinctrl.txt
deleted file mode 100644
index a50e74684195..000000000000
--- a/Documentation/devicetree/bindings/pinctrl/qcom,qcs404-pinctrl.txt
+++ /dev/null
@@ -1,199 +0,0 @@
-Qualcomm QCS404 TLMM block
-
-This binding describes the Top Level Mode Multiplexer block found in the
-QCS404 platform.
-
-- compatible:
- Usage: required
- Value type: <string>
- Definition: must be "qcom,qcs404-pinctrl"
-
-- reg:
- Usage: required
- Value type: <prop-encoded-array>
- Definition: the base address and size of the north, south and east TLMM
- tiles.
-
-- reg-names:
- Usage: required
- Value type: <stringlist>
- Defintiion: names for the cells of reg, must contain "north", "south"
- and "east".
-
-- 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
-
-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-gpio119
- Supports mux, bias and drive-strength
-
- sdc1_clk, sdc1_cmd, sdc1_data, sdc2_clk, sdc2_cmd,
- sdc2_data
- Supports bias and drive-strength
-
- ufs_reset
- Supports bias and drive-strength
-
-- 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:
-
- gpio, hdmi_tx, hdmi_ddc, blsp_uart_tx_a2, blsp_spi2, m_voc,
- qdss_cti_trig_in_a0, blsp_uart_rx_a2, qdss_tracectl_a,
- blsp_uart2, aud_cdc, blsp_i2c_sda_a2, qdss_tracedata_a,
- blsp_i2c_scl_a2, qdss_tracectl_b, qdss_cti_trig_in_b0,
- blsp_uart1, blsp_spi_mosi_a1, blsp_spi_miso_a1,
- qdss_tracedata_b, blsp_i2c1, blsp_spi_cs_n_a1, gcc_plltest,
- blsp_spi_clk_a1, rgb_data0, blsp_uart5, blsp_spi5,
- adsp_ext, rgb_data1, prng_rosc, rgb_data2, blsp_i2c5,
- gcc_gp1_clk_b, rgb_data3, gcc_gp2_clk_b, blsp_spi0,
- blsp_uart0, gcc_gp3_clk_b, blsp_i2c0, qdss_traceclk_b,
- pcie_clk, nfc_irq, blsp_spi4, nfc_dwl, audio_ts, rgb_data4,
- spi_lcd, blsp_uart_tx_b2, gcc_gp3_clk_a, rgb_data5,
- blsp_uart_rx_b2, blsp_i2c_sda_b2, blsp_i2c_scl_b2,
- pwm_led11, i2s_3_data0_a, ebi2_lcd, i2s_3_data1_a,
- i2s_3_data2_a, atest_char, pwm_led3, i2s_3_data3_a,
- pwm_led4, i2s_4, ebi2_a, dsd_clk_b, pwm_led5, pwm_led6,
- pwm_led7, pwm_led8, pwm_led24, spkr_dac0, blsp_i2c4,
- pwm_led9, pwm_led10, spdifrx_opt, pwm_led12, pwm_led13,
- pwm_led14, wlan1_adc1, rgb_data_b0, pwm_led15,
- blsp_spi_mosi_b1, wlan1_adc0, rgb_data_b1, pwm_led16,
- blsp_spi_miso_b1, qdss_cti_trig_out_b0, wlan2_adc1,
- rgb_data_b2, pwm_led17, blsp_spi_cs_n_b1, wlan2_adc0,
- rgb_data_b3, pwm_led18, blsp_spi_clk_b1, rgb_data_b4,
- pwm_led19, ext_mclk1_b, qdss_traceclk_a, rgb_data_b5,
- pwm_led20, atest_char3, i2s_3_sck_b, ldo_update, bimc_dte0,
- rgb_hsync, pwm_led21, i2s_3_ws_b, dbg_out, rgb_vsync,
- i2s_3_data0_b, ldo_en, hdmi_dtest, rgb_de, i2s_3_data1_b,
- hdmi_lbk9, rgb_clk, atest_char1, i2s_3_data2_b, ebi_cdc,
- hdmi_lbk8, rgb_mdp, atest_char0, i2s_3_data3_b, hdmi_lbk7,
- rgb_data_b6, rgb_data_b7, hdmi_lbk6, rgmii_int, cri_trng1,
- rgmii_wol, cri_trng0, gcc_tlmm, rgmii_ck, rgmii_tx,
- hdmi_lbk5, hdmi_pixel, hdmi_rcv, hdmi_lbk4, rgmii_ctl,
- ext_lpass, rgmii_rx, cri_trng, hdmi_lbk3, hdmi_lbk2,
- qdss_cti_trig_out_b1, rgmii_mdio, hdmi_lbk1, rgmii_mdc,
- hdmi_lbk0, ir_in, wsa_en, rgb_data6, rgb_data7,
- atest_char2, ebi_ch0, blsp_uart3, blsp_spi3, sd_write,
- blsp_i2c3, gcc_gp1_clk_a, qdss_cti_trig_in_b1,
- gcc_gp2_clk_a, ext_mclk0, mclk_in1, i2s_1, dsd_clk_a,
- qdss_cti_trig_in_a1, rgmi_dll1, pwm_led22, pwm_led23,
- qdss_cti_trig_out_a0, rgmi_dll2, pwm_led1,
- qdss_cti_trig_out_a1, pwm_led2, i2s_2, pll_bist,
- ext_mclk1_a, mclk_in2, bimc_dte1, i2s_3_sck_a, i2s_3_ws_a
-
-- 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:
-
- tlmm: pinctrl@...0000 {
- compatible = "qcom,qcs404-pinctrl";
- reg = <0x01000000 0x200000>,
- <0x01300000 0x200000>,
- <0x07b00000 0x200000>;
- reg-names = "south", "north", "east";
- interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;
- gpio-controller;
- #gpio-cells = <2>;
- gpio-ranges = <&tlmm 0 0 120>;
- interrupt-controller;
- #interrupt-cells = <2>;
- };
diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,qcs404-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/qcom,qcs404-pinctrl.yaml
new file mode 100644
index 000000000000..3d314458bf84
--- /dev/null
+++ b/Documentation/devicetree/bindings/pinctrl/qcom,qcs404-pinctrl.yaml
@@ -0,0 +1,176 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pinctrl/qcom,qcs404-pinctrl.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm SCS404 TLMM pin controller
+
+maintainers:
+ - Bjorn Andersson <andersson@...nel.org>
+ - Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
+
+description:
+ Top Level Mode Multiplexer pin controller in Qualcomm QCS404 SoC.
+
+properties:
+ compatible:
+ const: qcom,qcs404-pinctrl
+
+ reg:
+ maxItems: 3
+
+ reg-names:
+ items:
+ - const: south
+ - const: north
+ - const: east
+
+ 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: 60
+
+ gpio-line-names:
+ maxItems: 120
+
+patternProperties:
+ "-state$":
+ oneOf:
+ - $ref: "#/$defs/qcom-qcs404-tlmm-state"
+ - patternProperties:
+ "-pins$":
+ $ref: "#/$defs/qcom-qcs404-tlmm-state"
+ additionalProperties: false
+
+$defs:
+ qcom-qcs404-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]|[1-9][0-9]|1[0-1][0-9])$"
+ - enum: [ sdc1_clk, sdc1_cmd, sdc1_data, sdc1_rclk, sdc2_clk,
+ sdc2_cmd, sdc2_data, ufs_reset ]
+ minItems: 1
+ maxItems: 36
+
+ function:
+ description:
+ Specify the alternative function to be configured for the specified
+ pins.
+
+ enum: [ gpio, adsp_ext, atest_char, atest_char0, atest_char1,
+ atest_char2, atest_char3, aud_cdc, audio_ts, bimc_dte0,
+ bimc_dte1, blsp_i2c0, blsp_i2c1, blsp_i2c3, blsp_i2c4,
+ blsp_i2c5, blsp_i2c_scl_a2, blsp_i2c_scl_b2, blsp_i2c_sda_a2,
+ blsp_i2c_sda_b2, blsp_spi0, blsp_spi2, blsp_spi3, blsp_spi4,
+ blsp_spi5, blsp_spi_clk_a1, blsp_spi_clk_b1, blsp_spi_cs_n_a1,
+ blsp_spi_cs_n_b1, blsp_spi_miso_a1, blsp_spi_miso_b1,
+ blsp_spi_mosi_a1, blsp_spi_mosi_b1, blsp_uart0, blsp_uart1,
+ blsp_uart2, blsp_uart3, blsp_uart5, blsp_uart_rx_a2,
+ blsp_uart_rx_b2, blsp_uart_tx_a2, blsp_uart_tx_b2, cri_trng,
+ cri_trng0, cri_trng1, dbg_out, dsd_clk_a, dsd_clk_b, ebi2_a,
+ ebi2_lcd, ebi_cdc, ebi_ch0, ext_lpass, ext_mclk0, ext_mclk1_a,
+ ext_mclk1_b, gcc_gp1_clk_a, gcc_gp1_clk_b, gcc_gp2_clk_a,
+ gcc_gp2_clk_b, gcc_gp3_clk_a, gcc_gp3_clk_b, gcc_plltest,
+ gcc_tlmm, hdmi_ddc, hdmi_dtest, hdmi_lbk0, hdmi_lbk1,
+ hdmi_lbk2, hdmi_lbk3, hdmi_lbk4, hdmi_lbk5, hdmi_lbk6,
+ hdmi_lbk7, hdmi_lbk8, hdmi_lbk9, hdmi_pixel, hdmi_rcv, hdmi_tx,
+ i2s_1, i2s_2, i2s_3_data0_a, i2s_3_data0_b, i2s_3_data1_a,
+ i2s_3_data1_b, i2s_3_data2_a, i2s_3_data2_b, i2s_3_data3_a,
+ i2s_3_data3_b, i2s_3_sck_a, i2s_3_sck_b, i2s_3_ws_a,
+ i2s_3_ws_b, i2s_4, ir_in, ldo_en, ldo_update, mclk_in1,
+ mclk_in2, m_voc, nfc_dwl, nfc_irq, pcie_clk, pll_bist,
+ prng_rosc, pwm_led1, pwm_led10, pwm_led11, pwm_led12,
+ pwm_led13, pwm_led14, pwm_led15, pwm_led16, pwm_led17,
+ pwm_led18, pwm_led19, pwm_led2, pwm_led20, pwm_led21,
+ pwm_led22, pwm_led23, pwm_led24, pwm_led3, pwm_led4, pwm_led5,
+ pwm_led6, pwm_led7, pwm_led8, pwm_led9, qdss_cti_trig_in_a0,
+ qdss_cti_trig_in_a1, qdss_cti_trig_in_b0, qdss_cti_trig_in_b1,
+ qdss_cti_trig_out_a0, qdss_cti_trig_out_a1,
+ qdss_cti_trig_out_b0, qdss_cti_trig_out_b1, qdss_traceclk_a,
+ qdss_traceclk_b, qdss_tracectl_a, qdss_tracectl_b,
+ qdss_tracedata_a, qdss_tracedata_b, rgb_clk, rgb_data0,
+ rgb_data1, rgb_data2, rgb_data3, rgb_data4, rgb_data5,
+ rgb_data6, rgb_data7, rgb_data_b0, rgb_data_b1, rgb_data_b2,
+ rgb_data_b3, rgb_data_b4, rgb_data_b5, rgb_data_b6,
+ rgb_data_b7, rgb_de, rgb_hsync, rgb_mdp, rgb_vsync, rgmi_dll1,
+ rgmi_dll2, rgmii_ck, rgmii_ctl, rgmii_int, rgmii_mdc,
+ rgmii_mdio, rgmii_rx, rgmii_tx, rgmii_wol, sd_write,
+ spdifrx_opt, spi_lcd, spkr_dac0, wlan1_adc0, wlan1_adc1,
+ wlan2_adc0, wlan2_adc1, wsa_en ]
+
+ 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>
+
+ tlmm: pinctrl@...0000 {
+ compatible = "qcom,qcs404-pinctrl";
+ reg = <0x01000000 0x200000>,
+ <0x01300000 0x200000>,
+ <0x07b00000 0x200000>;
+ reg-names = "south", "north", "east";
+ interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;
+ gpio-ranges = <&tlmm 0 0 120>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+
+
+ blsp1-i2c1-default-state {
+ pins = "gpio24", "gpio25";
+ function = "blsp_i2c1";
+ };
+
+ blsp1-i2c2-default-state {
+ sda-pins {
+ pins = "gpio19";
+ function = "blsp_i2c_sda_a2";
+ };
+
+ scl-pins {
+ pins = "gpio20";
+ function = "blsp_i2c_scl_a2";
+ };
+ };
+ };
--
2.34.1
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