dt-bindings: pinctrl: describe sa8775p-tlmm

Add DT bindings for the TLMM controller on sa8775p platforms.

Signed-off-by: Bartosz Golaszewski <[email protected]>
Reviewed-by: Krzysztof Kozlowski <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Linus Walleij <[email protected]>

Author: Bartosz Golaszewski

Documentation/devicetree/bindings/pinctrl/qcom,sa8775p-tlmm.yaml

@@ -0,0 +1,138 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pinctrl/qcom,sa8775p-tlmm.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Technologies, Inc. SA8775P TLMM block
+
+maintainers:
+  - Bartosz Golaszewski <[email protected]>
+
+description: |
+  Top Level Mode Multiplexer pin controller in Qualcomm SA8775P SoC.
+
+allOf:
+  - $ref: /schemas/pinctrl/qcom,tlmm-common.yaml#
+
+properties:
+  compatible:
+    const: qcom,sa8775p-tlmm
+
+  reg:
+    maxItems: 1
+
+  interrupts: true
+  interrupt-controller: true
+  "#interrupt-cells": true
+  gpio-controller: true
+  "#gpio-cells": true
+  gpio-ranges: true
+
+  gpio-reserved-ranges:
+    minItems: 1
+    maxItems: 74
+
+  gpio-line-names:
+    maxItems: 148
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+patternProperties:
+  "-state$":
+    oneOf:
+      - $ref: "#/$defs/qcom-sa8775p-tlmm-state"
+      - patternProperties:
+          "-pins$":
+            $ref: "#/$defs/qcom-sa8775p-tlmm-state"
+        additionalProperties: false
+
+$defs:
+  qcom-sa8775p-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[0-7])$"
+            - enum: [ sdc1_clk, sdc1_cmd, sdc1_data, sdc1_rclk, ufs_reset ]
+        minItems: 1
+        maxItems: 16
+
+      function:
+        description:
+          Specify the alternative function to be configured for the specified
+          pins.
+
+        enum: [ atest_char, atest_usb2, audio_ref, cam_mclk, cci_async, cci_i2c,
+                cci_timer0, cci_timer1, cci_timer2, cci_timer3, cci_timer4,
+                cci_timer5, cci_timer6, cci_timer7, cci_timer8, cci_timer9,
+                cri_trng, cri_trng0, cri_trng1, dbg_out, ddr_bist, ddr_pxi0,
+                ddr_pxi1, ddr_pxi2, ddr_pxi3, ddr_pxi4, ddr_pxi5, edp0_hot,
+                edp0_lcd, edp1_hot, edp1_lcd, edp2_hot, edp2_lcd, edp3_hot,
+                edp3_lcd, emac0_mcg0, emac0_mcg1, emac0_mcg2, emac0_mcg3,
+                emac0_mdc, emac0_mdio, emac0_ptp_aux, emac0_ptp_pps, emac1_mcg0,
+                emac1_mcg1, emac1_mcg2, emac1_mcg3, emac1_mdc, emac1_mdio,
+                emac1_ptp_aux, emac1_ptp_pps, gcc_gp1, gcc_gp2, gcc_gp3,
+                gcc_gp4, gcc_gp5, hs0_mi2s, hs1_mi2s, hs2_mi2s, ibi_i3c,
+                jitter_bist, mdp0_vsync0, mdp0_vsync1, mdp0_vsync2, mdp0_vsync3,
+                mdp0_vsync4, mdp0_vsync5, mdp0_vsync6, mdp0_vsync7, mdp0_vsync8,
+                mdp1_vsync0, mdp1_vsync1, mdp1_vsync2, mdp1_vsync3, mdp1_vsync4,
+                mdp1_vsync5, mdp1_vsync6, mdp1_vsync7, mdp1_vsync8, mdp_vsync,
+                mi2s1_data0, mi2s1_data1, mi2s1_sck, mi2s1_ws, mi2s2_data0,
+                mi2s2_data1, mi2s2_sck, mi2s2_ws, mi2s_mclk0, mi2s_mclk1,
+                pcie0_clkreq, pcie1_clkreq, phase_flag, pll_bist, pll_clk,
+                prng_rosc0, prng_rosc1, prng_rosc2, prng_rosc3, qdss_cti,
+                qdss_gpio, qup0_se0, qup0_se1, qup0_se2, qup0_se3, qup0_se4,
+                qup0_se5, qup1_se0, qup1_se1, qup1_se2, qup1_se3, qup1_se4,
+                qup1_se5, qup1_se6, qup2_se0, qup2_se1, qup2_se2, qup2_se3,
+                qup2_se4, qup2_se5, qup2_se6, qup3_se0, sailss_emac0,
+                sailss_ospi, sail_top, sgmii_phy, tb_trig, tgu_ch0, tgu_ch1,
+                tgu_ch2, tgu_ch3, tgu_ch4, tgu_ch5, tsense_pwm1, tsense_pwm2,
+                tsense_pwm3, tsense_pwm4, usb2phy_ac, vsense_trigger ]
+
+      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
+
+    additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+    tlmm: pinctrl@f000000 {
+        compatible = "qcom,sa8775p-tlmm";
+        reg = <0xf000000 0x1000000>;
+        interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;
+        gpio-controller;
+        #gpio-cells = <2>;
+        interrupt-controller;
+        #interrupt-cells = <2>;
+        gpio-ranges = <&tlmm 0 0 148>;
+
+        qup-uart10-state {
+            pins = "gpio46", "gpio47";
+            function = "qup1_se3";
+        };
+    };
+...