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Message-Id: <20220225053257.2479279-1-bjorn.andersson@linaro.org>
Date: Thu, 24 Feb 2022 21:32:56 -0800
From: Bjorn Andersson <bjorn.andersson@...aro.org>
To: Linus Walleij <linus.walleij@...aro.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
Cc: linux-arm-msm@...r.kernel.org, linux-gpio@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] dt-bindings: pinctrl: qcom: Add sc8280xp TLMM binding
The Qualcomm SC8280XP platform contains a single block of registers
for the TLMM block. This provides pinconf and pinmux for 228 GPIOs, 2
UFS_RESET pins and one SDC interface.
Signed-off-by: Bjorn Andersson <bjorn.andersson@...aro.org>
---
.../pinctrl/qcom,sc8280xp-pinctrl.yaml | 153 ++++++++++++++++++
1 file changed, 153 insertions(+)
create mode 100644 Documentation/devicetree/bindings/pinctrl/qcom,sc8280xp-pinctrl.yaml
diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,sc8280xp-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/qcom,sc8280xp-pinctrl.yaml
new file mode 100644
index 000000000000..4199dfe992e0
--- /dev/null
+++ b/Documentation/devicetree/bindings/pinctrl/qcom,sc8280xp-pinctrl.yaml
@@ -0,0 +1,153 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pinctrl/qcom,sc8280xp-pinctrl.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Technologies, Inc. SC8280XP TLMM block
+
+maintainers:
+ - Bjorn Andersson <bjorn.andersson@...aro.org>
+
+description: |
+ This binding describes the Top Level Mode Multiplexer block found in the
+ SC8280XP platform.
+
+allOf:
+ - $ref: "pinctrl.yaml#"
+ - $ref: /schemas/pinctrl/qcom,tlmm-common.yaml#
+
+properties:
+ compatible:
+ const: qcom,sc8280xp-tlmm
+
+ reg:
+ maxItems: 1
+
+ interrupts: true
+ interrupt-controller: true
+ '#interrupt-cells': true
+ gpio-controller: true
+ gpio-reserved-ranges: true
+ '#gpio-cells': true
+ gpio-ranges: true
+ wakeup-parent: true
+
+required:
+ - compatible
+ - reg
+ - reg-names
+
+additionalProperties: false
+
+patternProperties:
+ '-state$':
+ oneOf:
+ - $ref: "#/$defs/qcom-sc8280xp-tlmm-state"
+ - patternProperties:
+ ".*":
+ $ref: "#/$defs/qcom-sc8280xp-tlmm-state"
+
+'$defs':
+ qcom-sc8280xp-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[0-9][0-9]|2[0-1][0-9]|22[0-7])$"
+ - enum: [ sdc2_clk, sdc2_cmd, sdc2_data, ufs_reset, ufs1_reset ]
+ minItems: 1
+ maxItems: 16
+
+ function:
+ description:
+ Specify the alternative function to be configured for the specified
+ pins.
+
+ enum: [ atest_char, atest_usb, 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,
+ cmu_rng, cri_trng, cri_trng0, cri_trng1, dbg_out, ddr_bist,
+ ddr_pxi0, ddr_pxi1, ddr_pxi2, ddr_pxi3, ddr_pxi4, ddr_pxi5,
+ ddr_pxi6, ddr_pxi7, dp2_hot, dp3_hot, edp0_lcd, edp1_lcd,
+ edp2_lcd, edp3_lcd, edp_hot, emac0_dll, emac0_mcg0, emac0_mcg1,
+ emac0_mcg2, emac0_mcg3, emac0_phy, emac0_ptp, emac1_dll0,
+ emac1_dll1, emac1_mcg0, emac1_mcg1, emac1_mcg2, emac1_mcg3,
+ emac1_phy, emac1_ptp, gcc_gp1, gcc_gp2, gcc_gp3, gcc_gp4,
+ gcc_gp5, gpio, hs1_mi2s, hs2_mi2s, hs3_mi2s, ibi_i3c,
+ jitter_bist, lpass_slimbus, 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,
+ mi2s0_data0, mi2s0_data1, mi2s0_sck, mi2s0_ws, mi2s1_data0,
+ mi2s1_data1, mi2s1_sck, mi2s1_ws, mi2s2_data0, mi2s2_data1,
+ mi2s2_sck, mi2s2_ws, mi2s_mclk1, mi2s_mclk2, pcie2a_clkreq,
+ pcie2b_clkreq, pcie3a_clkreq, pcie3b_clkreq, pcie4_clkreq,
+ phase_flag, pll_bist, pll_clk, prng_rosc0, prng_rosc1,
+ prng_rosc2, prng_rosc3, qdss_cti, qdss_gpio, qspi, qspi_clk,
+ qspi_cs, qup0, qup1, qup2, qup3, qup4, qup5, qup6, qup7, qup8,
+ qup9, qup10, qup11, qup12, qup13, qup14, qup15, qup16, qup17,
+ qup18, qup19, qup20, qup21, qup22, qup23, rgmii_0, rgmii_1,
+ sd_write, sdc40, sdc42, sdc43, sdc4_clk, sdc4_cmd, tb_trig,
+ tgu, tsense_pwm1, tsense_pwm2, tsense_pwm3, tsense_pwm4,
+ usb0_dp, usb0_phy, usb0_sbrx, usb0_sbtx, usb0_usb4, usb1_dp,
+ usb1_phy, usb1_sbrx, usb1_sbtx, usb1_usb4, 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
+ - function
+
+ additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ pinctrl@...0000 {
+ compatible = "qcom,sc8280x-tlmm";
+ reg = <0x0f100000 0x300000>;
+ interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ gpio-ranges = <&tlmm 0 0 230>;
+
+ gpio-wo-subnode-state {
+ pins = "gpio1";
+ function = "gpio";
+ };
+
+ uart-w-subnodes-state {
+ rx {
+ pins = "gpio4";
+ function = "qup14";
+ bias-pull-up;
+ };
+
+ tx {
+ pins = "gpio5";
+ function = "qup14";
+ bias-disable;
+ };
+ };
+ };
+...
--
2.33.1
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