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Message-Id: <20221012151545.39061-3-krzysztof.kozlowski@linaro.org>
Date: Wed, 12 Oct 2022 11:15:45 -0400
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Andy Gross <agross@...nel.org>,
Bjorn Andersson <andersson@...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 3/3] dt-bindings: pinctrl: qcom,msm8996: convert to dtschema
Convert Qualcomm MSM8996 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,msm8996-pinctrl.txt | 208 ------------------
.../pinctrl/qcom,msm8996-pinctrl.yaml | 187 ++++++++++++++++
2 files changed, 187 insertions(+), 208 deletions(-)
delete mode 100644 Documentation/devicetree/bindings/pinctrl/qcom,msm8996-pinctrl.txt
create mode 100644 Documentation/devicetree/bindings/pinctrl/qcom,msm8996-pinctrl.yaml
diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,msm8996-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/qcom,msm8996-pinctrl.txt
deleted file mode 100644
index a56cb882830c..000000000000
--- a/Documentation/devicetree/bindings/pinctrl/qcom,msm8996-pinctrl.txt
+++ /dev/null
@@ -1,208 +0,0 @@
-Qualcomm MSM8996 TLMM block
-
-This binding describes the Top Level Mode Multiplexer block found in the
-MSM8996 platform.
-
-- compatible:
- Usage: required
- Value type: <string>
- Definition: must be "qcom,msm8996-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-gpio149
- Supports mux, bias and drive-strength
-
- sdc1_clk, sdc1_cmd, sdc1_data sdc2_clk, sdc2_cmd,
- sdc2_data sdc1_rclk
- 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:
-
- blsp_uart1, blsp_spi1, blsp_i2c1, blsp_uim1, atest_tsens,
- bimc_dte1, dac_calib0, blsp_spi8, blsp_uart8, blsp_uim8,
- qdss_cti_trig_out_b, bimc_dte0, dac_calib1, qdss_cti_trig_in_b,
- dac_calib2, atest_tsens2, atest_usb1, blsp_spi10, blsp_uart10,
- blsp_uim10, atest_bbrx1, atest_usb13, atest_bbrx0, atest_usb12,
- mdp_vsync, edp_lcd, blsp_i2c10, atest_gpsadc1, atest_usb11,
- atest_gpsadc0, edp_hot, atest_usb10, m_voc, dac_gpio, atest_char,
- cam_mclk, pll_bypassnl, qdss_stm7, blsp_i2c8, qdss_tracedata_b,
- pll_reset, qdss_stm6, qdss_stm5, qdss_stm4, atest_usb2, cci_i2c,
- qdss_stm3, dac_calib3, atest_usb23, atest_char3, dac_calib4,
- qdss_stm2, atest_usb22, atest_char2, qdss_stm1, dac_calib5,
- atest_usb21, atest_char1, dbg_out, qdss_stm0, dac_calib6,
- atest_usb20, atest_char0, dac_calib10, qdss_stm10,
- qdss_cti_trig_in_a, cci_timer4, blsp_spi6, blsp_uart6, blsp_uim6,
- blsp2_spi, qdss_stm9, qdss_cti_trig_out_a, dac_calib11,
- qdss_stm8, cci_timer0, qdss_stm13, dac_calib7, cci_timer1,
- qdss_stm12, dac_calib8, cci_timer2, blsp1_spi, qdss_stm11,
- dac_calib9, cci_timer3, cci_async, dac_calib12, blsp_i2c6,
- qdss_tracectl_a, dac_calib13, qdss_traceclk_a, dac_calib14,
- dac_calib15, hdmi_rcv, dac_calib16, hdmi_cec, pwr_modem,
- dac_calib17, hdmi_ddc, pwr_nav, dac_calib18, pwr_crypto,
- dac_calib19, hdmi_hot, dac_calib20, dac_calib21, pci_e0,
- dac_calib22, dac_calib23, dac_calib24, tsif1_sync, dac_calib25,
- sd_write, tsif1_error, blsp_spi2, blsp_uart2, blsp_uim2,
- qdss_cti, blsp_i2c2, blsp_spi3, blsp_uart3, blsp_uim3, blsp_i2c3,
- uim3, blsp_spi9, blsp_uart9, blsp_uim9, blsp10_spi, blsp_i2c9,
- blsp_spi7, blsp_uart7, blsp_uim7, qdss_tracedata_a, blsp_i2c7,
- qua_mi2s, gcc_gp1_clk_a, ssc_irq, uim4, blsp_spi11, blsp_uart11,
- blsp_uim11, gcc_gp2_clk_a, gcc_gp3_clk_a, blsp_i2c11, cri_trng0,
- cri_trng1, cri_trng, qdss_stm18, pri_mi2s, qdss_stm17, blsp_spi4,
- blsp_uart4, blsp_uim4, qdss_stm16, qdss_stm15, blsp_i2c4,
- qdss_stm14, dac_calib26, spkr_i2s, audio_ref, lpass_slimbus,
- isense_dbg, tsense_pwm1, tsense_pwm2, btfm_slimbus, ter_mi2s,
- qdss_stm22, qdss_stm21, qdss_stm20, qdss_stm19, gcc_gp1_clk_b,
- sec_mi2s, blsp_spi5, blsp_uart5, blsp_uim5, gcc_gp2_clk_b,
- gcc_gp3_clk_b, blsp_i2c5, blsp_spi12, blsp_uart12, blsp_uim12,
- qdss_stm25, qdss_stm31, blsp_i2c12, qdss_stm30, qdss_stm29,
- tsif1_clk, qdss_stm28, tsif1_en, tsif1_data, sdc4_cmd, qdss_stm27,
- qdss_traceclk_b, tsif2_error, sdc43, vfr_1, qdss_stm26, tsif2_clk,
- sdc4_clk, qdss_stm24, tsif2_en, sdc42, qdss_stm23, qdss_tracectl_b,
- sd_card, tsif2_data, sdc41, tsif2_sync, sdc40, mdp_vsync_p_b,
- ldo_en, mdp_vsync_s_b, ldo_update, blsp11_uart_tx_b, blsp11_uart_rx_b,
- blsp11_i2c_sda_b, prng_rosc, blsp11_i2c_scl_b, uim2, uim1, uim_batt,
- pci_e2, pa_indicator, adsp_ext, ddr_bist, qdss_tracedata_11,
- qdss_tracedata_12, modem_tsync, nav_dr, nav_pps, pci_e1, gsm_tx,
- qspi_cs, ssbi2, ssbi1, mss_lte, qspi_clk, qspi0, qspi1, qspi2, qspi3,
- gpio
-
-- 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,msm8996-pinctrl";
- reg = <0x01010000 0x300000>;
- interrupts = <0 208 0>;
- gpio-controller;
- gpio-ranges = <&tlmm 0 0 150>;
- #gpio-cells = <2>;
- interrupt-controller;
- #interrupt-cells = <2>;
-
- uart_console_active: uart_console_active {
- mux {
- pins = "gpio4", "gpio5";
- function = "blsp_uart8";
- };
-
- config {
- pins = "gpio4", "gpio5";
- drive-strength = <2>;
- bias-disable;
- };
- };
- };
diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,msm8996-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/qcom,msm8996-pinctrl.yaml
new file mode 100644
index 000000000000..d0994d0afad5
--- /dev/null
+++ b/Documentation/devicetree/bindings/pinctrl/qcom,msm8996-pinctrl.yaml
@@ -0,0 +1,187 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pinctrl/qcom,msm8996-pinctrl.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm MSM8996 TLMM pin controller
+
+maintainers:
+ - Bjorn Andersson <andersson@...nel.org>
+ - Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
+
+description:
+ Top Level Mode Multiplexer pin controller in Qualcomm MSM8996 SoC.
+
+properties:
+ compatible:
+ const: qcom,msm8996-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: 75
+
+ gpio-line-names:
+ maxItems: 150
+
+patternProperties:
+ "-state$":
+ oneOf:
+ - $ref: "#/$defs/qcom-msm8996-tlmm-state"
+ - patternProperties:
+ "-pins$":
+ $ref: "#/$defs/qcom-msm8996-tlmm-state"
+ additionalProperties: false
+
+$defs:
+ qcom-msm8996-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[0-4][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, blsp_uart1, blsp_spi1, blsp_i2c1, blsp_uim1, atest_tsens,
+ bimc_dte1, dac_calib0, blsp_spi8, blsp_uart8, blsp_uim8,
+ qdss_cti_trig_out_b, bimc_dte0, dac_calib1, qdss_cti_trig_in_b,
+ dac_calib2, atest_tsens2, atest_usb1, blsp_spi10, blsp_uart10,
+ blsp_uim10, atest_bbrx1, atest_usb13, atest_bbrx0, atest_usb12,
+ mdp_vsync, edp_lcd, blsp_i2c10, atest_gpsadc1, atest_usb11,
+ atest_gpsadc0, edp_hot, atest_usb10, m_voc, dac_gpio,
+ atest_char, cam_mclk, pll_bypassnl, qdss_stm7, blsp_i2c8,
+ qdss_tracedata_b, pll_reset, qdss_stm6, qdss_stm5, qdss_stm4,
+ atest_usb2, cci_i2c, qdss_stm3, dac_calib3, atest_usb23,
+ atest_char3, dac_calib4, qdss_stm2, atest_usb22, atest_char2,
+ qdss_stm1, dac_calib5, atest_usb21, atest_char1, dbg_out,
+ qdss_stm0, dac_calib6, atest_usb20, atest_char0, dac_calib10,
+ qdss_stm10, qdss_cti_trig_in_a, cci_timer4, blsp_spi6,
+ blsp_uart6, blsp_uim6, blsp2_spi, qdss_stm9,
+ qdss_cti_trig_out_a, dac_calib11, qdss_stm8, cci_timer0,
+ qdss_stm13, dac_calib7, cci_timer1, qdss_stm12, dac_calib8,
+ cci_timer2, blsp1_spi, qdss_stm11, dac_calib9, cci_timer3,
+ cci_async, dac_calib12, blsp_i2c6, qdss_tracectl_a,
+ dac_calib13, qdss_traceclk_a, dac_calib14, dac_calib15,
+ hdmi_rcv, dac_calib16, hdmi_cec, pwr_modem, dac_calib17,
+ hdmi_ddc, pwr_nav, dac_calib18, pwr_crypto, dac_calib19,
+ hdmi_hot, dac_calib20, dac_calib21, pci_e0, dac_calib22,
+ dac_calib23, dac_calib24, tsif1_sync, dac_calib25, sd_write,
+ tsif1_error, blsp_spi2, blsp_uart2, blsp_uim2, qdss_cti,
+ blsp_i2c2, blsp_spi3, blsp_uart3, blsp_uim3, blsp_i2c3, uim3,
+ blsp_spi9, blsp_uart9, blsp_uim9, blsp10_spi, blsp_i2c9,
+ blsp_spi7, blsp_uart7, blsp_uim7, qdss_tracedata_a, blsp_i2c7,
+ qua_mi2s, gcc_gp1_clk_a, ssc_irq, uim4, blsp_spi11,
+ blsp_uart11, blsp_uim11, gcc_gp2_clk_a, gcc_gp3_clk_a,
+ blsp_i2c11, cri_trng0, cri_trng1, cri_trng, qdss_stm18,
+ pri_mi2s, qdss_stm17, blsp_spi4, blsp_uart4, blsp_uim4,
+ qdss_stm16, qdss_stm15, blsp_i2c4, qdss_stm14, dac_calib26,
+ spkr_i2s, audio_ref, lpass_slimbus, isense_dbg, tsense_pwm1,
+ tsense_pwm2, btfm_slimbus, ter_mi2s, qdss_stm22, qdss_stm21,
+ qdss_stm20, qdss_stm19, gcc_gp1_clk_b, sec_mi2s, blsp_spi5,
+ blsp_uart5, blsp_uim5, gcc_gp2_clk_b, gcc_gp3_clk_b, blsp_i2c5,
+ blsp_spi12, blsp_uart12, blsp_uim12, qdss_stm25, qdss_stm31,
+ blsp_i2c12, qdss_stm30, qdss_stm29, tsif1_clk, qdss_stm28,
+ tsif1_en, tsif1_data, sdc4_cmd, qdss_stm27, qdss_traceclk_b,
+ tsif2_error, sdc43, vfr_1, qdss_stm26, tsif2_clk, sdc4_clk,
+ qdss_stm24, tsif2_en, sdc42, qdss_stm23, qdss_tracectl_b,
+ sd_card, tsif2_data, sdc41, tsif2_sync, sdc40, mdp_vsync_p_b,
+ ldo_en, mdp_vsync_s_b, ldo_update, blsp11_uart_tx_b,
+ blsp11_uart_rx_b, blsp11_i2c_sda_b, prng_rosc,
+ blsp11_i2c_scl_b, uim2, uim1, uim_batt, pci_e2, pa_indicator,
+ adsp_ext, ddr_bist, qdss_tracedata_11, qdss_tracedata_12,
+ modem_tsync, nav_dr, nav_pps, pci_e1, gsm_tx, qspi_cs, ssbi2,
+ ssbi1, mss_lte, qspi_clk, qspi0, qspi1, qspi2, qspi3 ]
+
+ drive-strength:
+ enum: [2, 4, 6, 8, 10, 12, 14, 16]
+ default: 2
+ description:
+ Selects the drive strength for the specified pins, in mA.
+
+ bias-pull-down: true
+ bias-pull-up: true
+ bias-disable: 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,msm8996-pinctrl";
+ reg = <0x01010000 0x300000>;
+ interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;
+ gpio-controller;
+ gpio-ranges = <&tlmm 0 0 150>;
+ #gpio-cells = <2>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+
+ blsp1-spi1-default-state {
+ spi-pins {
+ pins = "gpio0", "gpio1", "gpio3";
+ function = "blsp_spi1";
+ drive-strength = <12>;
+ bias-disable;
+ };
+
+ cs-pins {
+ pins = "gpio2";
+ function = "gpio";
+ drive-strength = <16>;
+ bias-disable;
+ output-high;
+ };
+ };
+
+ blsp1-spi1-sleep-state {
+ pins = "gpio0", "gpio1", "gpio2", "gpio3";
+ function = "gpio";
+ drive-strength = <2>;
+ bias-pull-down;
+ };
+ };
--
2.34.1
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