[PATCH v4 1/2] dt-bindings: pinctrl: describe the Qualcomm nord-tlmm

From: Bartosz Golaszewski

Date: Mon May 04 2026 - 06:09:16 EST


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

Co-developed-by: Shawn Guo <shengchao.guo@xxxxxxxxxxxxxxxx>
Signed-off-by: Shawn Guo <shengchao.guo@xxxxxxxxxxxxxxxx>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxxxxx>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxxxxxxxx>
---
.../bindings/pinctrl/qcom,nord-tlmm.yaml | 141 +++++++++++++++++++++
1 file changed, 141 insertions(+)

diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,nord-tlmm.yaml b/Documentation/devicetree/bindings/pinctrl/qcom,nord-tlmm.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..4bb511719f3130fc208011b4a8b45f4cfcde8c9b
--- /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@xxxxxxxxxx>
+
+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;
+ };
+ };
+...

--
2.47.3