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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pinctrl/qcom,msm8909-tlmm.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Technologies, Inc. MSM8909 TLMM block
+
+maintainers:
+ - Stephan Gerhold <stephan@gerhold.net>
+
+description: |
+ This binding describes the Top Level Mode Multiplexer (TLMM) block found
+ in the MSM8909 platform.
+
+allOf:
+ - $ref: /schemas/pinctrl/qcom,tlmm-common.yaml#
+
+properties:
+ compatible:
+ const: qcom,msm8909-tlmm
+
+ reg:
+ maxItems: 1
+
+ interrupts: true
+ interrupt-controller: true
+ '#interrupt-cells': true
+ gpio-controller: true
+ gpio-reserved-ranges: true
+ '#gpio-cells': true
+ gpio-ranges: true
+ wakeup-parent: true
+
+required:
+ - compatible
+ - reg
+
+additionalProperties: false
+
+patternProperties:
+ '-state$':
+ oneOf:
+ - $ref: "#/$defs/qcom-msm8909-tlmm-state"
+ - patternProperties:
+ ".*":
+ $ref: "#/$defs/qcom-msm8909-tlmm-state"
+
+$defs:
+ qcom-msm8909-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]|10[0-9]|11[0-7])$"
+ - enum: [ sdc1_clk, sdc1_cmd, sdc1_data, sdc2_clk, sdc2_cmd,
+ sdc2_data, qdsd_clk, qdsd_cmd, qdsd_data0, qdsd_data1,
+ qdsd_data2, qdsd_data3 ]
+ minItems: 1
+ maxItems: 16
+
+ function:
+ description:
+ Specify the alternative function to be configured for the specified
+ pins.
+ enum: [ adsp_ext, atest_bbrx0, atest_bbrx1, atest_char, atest_char0,
+ atest_char1, atest_char2, atest_char3, atest_combodac,
+ atest_gpsadc0, atest_gpsadc1, atest_wlan0, atest_wlan1,
+ bimc_dte0, bimc_dte1, blsp_i2c1, blsp_i2c2, blsp_i2c3,
+ blsp_i2c4, blsp_i2c5, blsp_i2c6, blsp_spi1, blsp_spi1_cs1,
+ blsp_spi1_cs2, blsp_spi1_cs3, blsp_spi2, blsp_spi2_cs1,
+ blsp_spi2_cs2, blsp_spi2_cs3, blsp_spi3, blsp_spi3_cs1,
+ blsp_spi3_cs2, blsp_spi3_cs3, blsp_spi4, blsp_spi5, blsp_spi6,
+ blsp_uart1, blsp_uart2, blsp_uim1, blsp_uim2, cam_mclk,
+ cci_async, cci_timer0, cci_timer1, cci_timer2, cdc_pdm0,
+ dbg_out, dmic0_clk, dmic0_data, ebi0_wrcdc, ebi2_a, ebi2_lcd,
+ ext_lpass, 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, gpio,
+ gsm0_tx, ldo_en, ldo_update, m_voc, mdp_vsync, modem_tsync,
+ nav_pps, nav_tsync, pa_indicator, pbs0, pbs1, pbs2,
+ pri_mi2s_data0_a, pri_mi2s_data0_b, pri_mi2s_data1_a,
+ pri_mi2s_data1_b, pri_mi2s_mclk_a, pri_mi2s_mclk_b,
+ pri_mi2s_sck_a, pri_mi2s_sck_b, pri_mi2s_ws_a, pri_mi2s_ws_b,
+ prng_rosc, pwr_crypto_enabled_a, pwr_crypto_enabled_b,
+ pwr_modem_enabled_a, pwr_modem_enabled_b, pwr_nav_enabled_a,
+ pwr_nav_enabled_b, 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_tracectl_a,
+ qdss_tracedata_a, qdss_tracedata_b, sd_write, sec_mi2s,
+ smb_int, ssbi0, ssbi1, uim1_clk, uim1_data, uim1_present,
+ uim1_reset, uim2_clk, uim2_data, uim2_present, uim2_reset,
+ uim3_clk, uim3_data, uim3_present, uim3_reset, uim_batt,
+ wcss_bt, wcss_fm, wcss_wlan ]
+
+ bias-disable: true
+ bias-pull-down: true
+ bias-pull-up: true
+ drive-strength: true
+ input-enable: true
+ output-high: true
+ output-low: true
+
+ required:
+ - pins
+ - function
+
+ additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+ pinctrl@1000000 {
+ compatible = "qcom,msm8909-tlmm";
+ reg = <0x1000000 0x300000>;
+ interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ gpio-ranges = <&tlmm 0 0 117>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+
+ gpio-wo-subnode-state {
+ pins = "gpio1";
+ function = "gpio";
+ };
+
+ uart-w-subnodes-state {
+ rx {
+ pins = "gpio4";
+ function = "blsp_uart1";
+ bias-pull-up;
+ };
+
+ tx {
+ pins = "gpio5";
+ function = "blsp_uart1";
+ bias-disable;
+ };
+ };
+ };
+...
Document the "qcom,msm8909-tlmm" compatible for the TLMM/pin control block in the MSM8909 SoC, together with the allowed GPIOs and functions. Signed-off-by: Stephan Gerhold <stephan.gerhold@kernkonzept.com> --- .../bindings/pinctrl/qcom,msm8909-tlmm.yaml | 152 ++++++++++++++++++ 1 file changed, 152 insertions(+) create mode 100644 Documentation/devicetree/bindings/pinctrl/qcom,msm8909-tlmm.yaml