dt-bindings: pinctrl: describe the Qualcomm nord-tlmm

Add a DT binding document describing the TLMM pin controller available
on the Nord platforms from Qualcomm.

Co-developed-by: Shawn Guo <shengchao.guo@oss.qualcomm.com>
Signed-off-by: Shawn Guo <shengchao.guo@oss.qualcomm.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
Signed-off-by: Linus Walleij <linusw@kernel.org>

diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,nord-tlmm.yaml b/Documentation/devicetree/bindings/pinctrl/qcom,nord-tlmm.yaml
new file mode 100644 (file)
index 0000000..4bb5117
--- /dev/null
+++ b/Documentation/devicetree/bindings/pinctrl/qcom,nord-tlmm.yaml
@@ -0,0 +1,141 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pinctrl/qcom,nord-tlmm.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Technologies, Inc. SA8797P TLMM block
+
+maintainers:
+  - Bartosz Golaszewski <brgl@kernel.org>
+
+description:
+  Top Level Mode Multiplexer pin controller in Qualcomm SA8797P SoC.
+
+allOf:
+  - $ref: /schemas/pinctrl/qcom,tlmm-common.yaml#
+
+properties:
+  compatible:
+    const: qcom,nord-tlmm
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  gpio-reserved-ranges:
+    minItems: 1
+    maxItems: 90
+
+  gpio-line-names:
+    maxItems: 181
+
+patternProperties:
+  "-state$":
+    oneOf:
+      - $ref: "#/$defs/qcom-nord-tlmm-state"
+      - patternProperties:
+          "-pins$":
+            $ref: "#/$defs/qcom-nord-tlmm-state"
+        additionalProperties: false
+
+$defs:
+  qcom-nord-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
+    unevaluatedProperties: false
+
+    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[0-7][0-9]|180)$"
+            - enum: [ ufs_reset ]
+        minItems: 1
+        maxItems: 16
+
+      function:
+        description:
+          Specify the alternative function to be configured for the specified
+          pins.
+
+        enum: [ aoss_cti, atest_char, atest_usb20, atest_usb21,
+                aud_intfc0_clk, aud_intfc0_data, aud_intfc0_ws,
+                aud_intfc10_clk, aud_intfc10_data, aud_intfc10_ws,
+                aud_intfc1_clk, aud_intfc1_data, aud_intfc1_ws,
+                aud_intfc2_clk, aud_intfc2_data, aud_intfc2_ws,
+                aud_intfc3_clk, aud_intfc3_data, aud_intfc3_ws,
+                aud_intfc4_clk, aud_intfc4_data, aud_intfc4_ws,
+                aud_intfc5_clk, aud_intfc5_data, aud_intfc5_ws,
+                aud_intfc6_clk, aud_intfc6_data, aud_intfc6_ws,
+                aud_intfc7_clk, aud_intfc7_data, aud_intfc7_ws,
+                aud_intfc8_clk, aud_intfc8_data, aud_intfc8_ws,
+                aud_intfc9_clk, aud_intfc9_data, aud_intfc9_ws,
+                aud_mclk0_mira, aud_mclk0_mirb, aud_mclk1_mira, aud_mclk1_mirb,
+                aud_mclk2_mira, aud_mclk2_mirb, aud_refclk0, aud_refclk1,
+                bist_done, ccu_async_in, ccu_i2c_scl, ccu_i2c_sda, ccu_timer,
+                clink_debug, dbg_out, dbg_out_clk,
+                ddr_bist_complete, ddr_bist_fail, ddr_bist_start, ddr_bist_stop,
+                ddr_pxi, dp_rx0, dp_rx00, dp_rx01, dp_rx0_mute, dp_rx1, dp_rx10,
+                dp_rx11, dp_rx1_mute,
+                edp0_hot, edp0_lcd, edp1_hot, edp1_lcd, edp2_hot, edp2_lcd,
+                edp3_hot, edp3_lcd,
+                emac0_mcg, emac0_mdc, emac0_mdio, emac0_ptp, emac1_mcg,
+                emac1_mdc, emac1_mdio, emac1_ptp,
+                gcc_gp1_clk, gcc_gp2_clk, gcc_gp3_clk, gcc_gp4_clk, gcc_gp5_clk,
+                gcc_gp6_clk, gcc_gp7_clk, gcc_gp8_clk, jitter_bist, lbist_pass,
+                mbist_pass, mdp0_vsync_out, mdp1_vsync_out, mdp_vsync_e,
+                mdp_vsync_p, mdp_vsync_s,
+                pcie0_clk_req_n, pcie1_clk_req_n, pcie2_clk_req_n,
+                pcie3_clk_req_n, phase_flag, pll_bist_sync, pll_clk_aux,
+                prng_rosc0, prng_rosc1, pwrbrk_i_n, qdss, qdss_cti, qspi,
+                qup0_se0, qup0_se1, qup0_se2, qup0_se3, qup0_se4, qup0_se5,
+                qup1_se0, qup1_se1, qup1_se3, qup1_se2, qup1_se4, qup1_se5,
+                qup1_se6, qup2_se0, qup2_se1, qup2_se2, qup2_se3, qup2_se4,
+                qup2_se5, qup2_se6,
+                sailss_ospi, sdc4_clk, sdc4_cmd, sdc4_data, smb_alert,
+                smb_alert_n, smb_clk, smb_dat, tb_trig_sdc4, tmess_prng0,
+                tmess_prng1, tsc_timer, tsense_pwm, usb0_hs,
+                usb0_phy_ps, usb1_hs, usb1_phy_ps, usb2_hs, usxgmii0_phy,
+                usxgmii1_phy, vsense_trigger_mirnat, wcn_sw, wcn_sw_ctrl]
+
+    required:
+      - pins
+
+required:
+  - compatible
+  - reg
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+    tlmm: pinctrl@f100000 {
+        compatible = "qcom,nord-tlmm";
+        reg = <0x0f100000 0xc0000>;
+        interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;
+        gpio-controller;
+        #gpio-cells = <2>;
+        interrupt-controller;
+        #interrupt-cells = <2>;
+        gpio-ranges = <&tlmm 0 0 181>;
+        wakeup-parent = <&pdc>;
+
+        qup_uart15_default: qup-uart15-default-state {
+            pins = "gpio147", "gpio148";
+            function = "qup2_se2";
+            drive-strength = <2>;
+            bias-disable;
+        };
+    };
+...