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[88.156.142.199]) by smtp.gmail.com with ESMTPSA id o25-20020ac25e39000000b0048af3c090f8sm1800517lfg.13.2022.11.08.06.09.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 08 Nov 2022 06:09:11 -0800 (PST) From: Krzysztof Kozlowski To: Bjorn Andersson , Andy Gross , Konrad Dybcio , Linus Walleij , Rob Herring , Krzysztof Kozlowski , linux-arm-msm@vger.kernel.org, linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Krzysztof Kozlowski Subject: [PATCH] dt-bindings: pinctrl: qcom,msm8976: convert to dtschema Date: Tue, 8 Nov 2022 15:09:09 +0100 Message-Id: <20221108140909.51422-1-krzysztof.kozlowski@linaro.org> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Convert Qualcomm MSM8976 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: update the list of non-mux pins (like sdc1) to match Linux driver. Signed-off-by: Krzysztof Kozlowski Reviewed-by: Marijn Suijten --- .../bindings/pinctrl/qcom,msm8976-pinctrl.txt | 183 ------------------ .../pinctrl/qcom,msm8976-pinctrl.yaml | 137 +++++++++++++ 2 files changed, 137 insertions(+), 183 deletions(-) delete mode 100644 Documentation/devicetree/bindings/pinctrl/qcom,msm8976-pinctrl.txt create mode 100644 Documentation/devicetree/bindings/pinctrl/qcom,msm8976-pinctrl.yaml diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,msm8976-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/qcom,msm8976-pinctrl.txt deleted file mode 100644 index 70d04d12f136..000000000000 --- a/Documentation/devicetree/bindings/pinctrl/qcom,msm8976-pinctrl.txt +++ /dev/null @@ -1,183 +0,0 @@ -Qualcomm MSM8976 TLMM block - -This binding describes the Top Level Mode Multiplexer block found in the -MSM8956 and MSM8976 platforms. - -- compatible: - Usage: required - Value type: - Definition: must be "qcom,msm8976-pinctrl" - -- reg: - Usage: required - Value type: - Definition: the base address and size of the TLMM register space. - -- interrupts: - Usage: required - Value type: - Definition: should specify the TLMM summary IRQ. - -- interrupt-controller: - Usage: required - Value type: - Definition: identifies this node as an interrupt controller - -- #interrupt-cells: - Usage: required - Value type: - Definition: must be 2. Specifying the pin number and flags, as defined - in - -- gpio-controller: - Usage: required - Value type: - Definition: identifies this node as a gpio controller - -- #gpio-cells: - Usage: required - Value type: - Definition: must be 2. Specifying the pin number and flags, as defined - in - -- 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: - Definition: List of gpio pins affected by the properties specified in - this subnode. - - Valid pins are: - gpio0-gpio145 - Supports mux, bias and drive-strength - - sdc1_clk, sdc1_cmd, sdc1_data, - sdc2_clk, sdc2_cmd, sdc2_data, - sdc3_clk, sdc3_cmd, sdc3_data - Supports bias and drive-strength - -- function: - Usage: required - Value type: - Definition: Specify the alternative function to be configured for the - specified pins. Functions are only valid for gpio pins. - Valid values are: - - gpio, blsp_uart1, blsp_spi1, smb_int, blsp_i2c1, blsp_spi2, - blsp_uart2, blsp_i2c2, gcc_gp1_clk_b, blsp_spi3, - qdss_tracedata_b, blsp_i2c3, gcc_gp2_clk_b, gcc_gp3_clk_b, - blsp_spi4, cap_int, blsp_i2c4, blsp_spi5, blsp_uart5, - qdss_traceclk_a, m_voc, blsp_i2c5, qdss_tracectl_a, - qdss_tracedata_a, blsp_spi6, blsp_uart6, qdss_tracectl_b, - blsp_i2c6, qdss_traceclk_b, mdp_vsync, pri_mi2s_mclk_a, - sec_mi2s_mclk_a, cam_mclk, cci0_i2c, cci1_i2c, blsp1_spi, - blsp3_spi, gcc_gp1_clk_a, gcc_gp2_clk_a, gcc_gp3_clk_a, - uim_batt, sd_write, uim1_data, uim1_clk, uim1_reset, - uim1_present, uim2_data, uim2_clk, uim2_reset, - uim2_present, ts_xvdd, mipi_dsi0, us_euro, ts_resout, - ts_sample, sec_mi2s_mclk_b, pri_mi2s, codec_reset, - cdc_pdm0, us_emitter, pri_mi2s_mclk_b, pri_mi2s_mclk_c, - lpass_slimbus, lpass_slimbus0, lpass_slimbus1, codec_int1, - codec_int2, wcss_bt, sdc3, wcss_wlan2, wcss_wlan1, - wcss_wlan0, wcss_wlan, wcss_fm, key_volp, key_snapshot, - key_focus, key_home, pwr_down, dmic0_clk, hdmi_int, - dmic0_data, wsa_vi, wsa_en, blsp_spi8, wsa_irq, blsp_i2c8, - pa_indicator, modem_tsync, ssbi_wtr1, gsm1_tx, gsm0_tx, - sdcard_det, sec_mi2s, ss_switch, - -- bias-disable: - Usage: optional - Value type: - Definition: The specified pins should be configured as no pull. - -- bias-pull-down: - Usage: optional - Value type: - Definition: The specified pins should be configured as pull down. - -- bias-pull-up: - Usage: optional - Value type: - Definition: The specified pins should be configured as pull up. - -- output-high: - Usage: optional - Value type: - Definition: The specified pins are configured in output mode, driven - high. - Not valid for sdc pins. - -- output-low: - Usage: optional - Value type: - Definition: The specified pins are configured in output mode, driven - low. - Not valid for sdc pins. - -- drive-strength: - Usage: optional - Value type: - 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@1000000 { - compatible = "qcom,msm8976-pinctrl"; - reg = <0x1000000 0x300000>; - interrupts = ; - gpio-controller; - #gpio-cells = <2>; - gpio-ranges = <&tlmm 0 0 145>; - interrupt-controller; - #interrupt-cells = <2>; - - blsp1_uart2_active: blsp1_uart2_active { - mux { - pins = "gpio4", "gpio5", "gpio6", "gpio7"; - function = "blsp_uart2"; - }; - - config { - pins = "gpio4", "gpio5", "gpio6", "gpio7"; - drive-strength = <2>; - bias-disable; - }; - }; - }; diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,msm8976-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/qcom,msm8976-pinctrl.yaml new file mode 100644 index 000000000000..1002a57248f6 --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/qcom,msm8976-pinctrl.yaml @@ -0,0 +1,137 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pinctrl/qcom,msm8976-pinctrl.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm MSM8976 TLMM pin controller + +maintainers: + - Bjorn Andersson + - Krzysztof Kozlowski + +description: + Top Level Mode Multiplexer pin controller in Qualcomm MSM8976 SoC. + +properties: + compatible: + const: qcom,msm8976-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: 73 + + gpio-line-names: + maxItems: 145 + +patternProperties: + "-state$": + oneOf: + - $ref: "#/$defs/qcom-msm8976-tlmm-state" + - patternProperties: + "-pins$": + $ref: "#/$defs/qcom-msm8976-tlmm-state" + additionalProperties: false + +$defs: + qcom-msm8976-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[0-3][0-9]|14[0-4])$" + - enum: [ qdsd_clk, qdsd_cmd, qdsd_data0, qdsd_data1, qdsd_data2, + qdsd_data3 sdc1_clk, sdc1_cmd, sdc1_data, sdc1_rclk, + sdc2_clk, sdc2_cmd, sdc2_data ] + minItems: 1 + maxItems: 36 + + function: + description: + Specify the alternative function to be configured for the specified + pins. + + enum: [ gpio, blsp_uart1, blsp_spi1, smb_int, blsp_i2c1, blsp_spi2, + blsp_uart2, blsp_i2c2, gcc_gp1_clk_b, blsp_spi3, + qdss_tracedata_b, blsp_i2c3, gcc_gp2_clk_b, gcc_gp3_clk_b, + blsp_spi4, cap_int, blsp_i2c4, blsp_spi5, blsp_uart5, + qdss_traceclk_a, m_voc, blsp_i2c5, qdss_tracectl_a, + qdss_tracedata_a, blsp_spi6, blsp_uart6, qdss_tracectl_b, + blsp_i2c6, qdss_traceclk_b, mdp_vsync, pri_mi2s_mclk_a, + sec_mi2s_mclk_a, cam_mclk, cci0_i2c, cci1_i2c, blsp1_spi, + blsp3_spi, gcc_gp1_clk_a, gcc_gp2_clk_a, gcc_gp3_clk_a, + uim_batt, sd_write, uim1_data, uim1_clk, uim1_reset, + uim1_present, uim2_data, uim2_clk, uim2_reset, uim2_present, + ts_xvdd, mipi_dsi0, us_euro, ts_resout, ts_sample, + sec_mi2s_mclk_b, pri_mi2s, codec_reset, cdc_pdm0, us_emitter, + pri_mi2s_mclk_b, pri_mi2s_mclk_c, lpass_slimbus, + lpass_slimbus0, lpass_slimbus1, codec_int1, codec_int2, + wcss_bt, sdc3, wcss_wlan2, wcss_wlan1, wcss_wlan0, wcss_wlan, + wcss_fm, key_volp, key_snapshot, key_focus, key_home, pwr_down, + dmic0_clk, hdmi_int, dmic0_data, wsa_vi, wsa_en, blsp_spi8, + wsa_irq, blsp_i2c8, pa_indicator, modem_tsync, ssbi_wtr1, + gsm1_tx, gsm0_tx, sdcard_det, sec_mi2s, ss_switch ] + + 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 + + tlmm: pinctrl@1000000 { + compatible = "qcom,msm8976-pinctrl"; + reg = <0x1000000 0x300000>; + interrupts = ; + gpio-controller; + #gpio-cells = <2>; + gpio-ranges = <&tlmm 0 0 145>; + interrupt-controller; + #interrupt-cells = <2>; + + blsp1-uart2-active-state { + pins = "gpio4", "gpio5", "gpio6", "gpio7"; + function = "blsp_uart2"; + drive-strength = <2>; + bias-disable; + }; + };