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https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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aac9e2afa8
Instead of having them all available, mark them all as "fail-needs-probe" and have the implementation try to probe which one is present. Also remove the shared resource workaround by moving the pinctrl entry for the trackpad interrupt line back into the individual trackpad nodes. Cc: <stable+noautosel@kernel.org> # Needs accompanying new driver to work Signed-off-by: Chen-Yu Tsai <wenst@chromium.org> Reviewed-by: Douglas Anderson <dianders@chromium.org> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Acked-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
99 lines
2.1 KiB
Plaintext
99 lines
2.1 KiB
Plaintext
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright 2016 MediaTek Inc.
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*/
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#include "mt8173-elm.dtsi"
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&i2c0 {
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clock-frequency = <200000>;
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};
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&i2c3 {
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touchscreen2: touchscreen@34 {
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compatible = "melfas,mip4_ts";
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reg = <0x34>;
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interrupts-extended = <&pio 88 IRQ_TYPE_LEVEL_LOW>;
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status = "fail-needs-probe";
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};
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/*
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* Lenovo 100e Chromebook 2nd Gen (MTK) and Lenovo 300e Chromebook 2nd
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* Gen (MTK) are using synaptics touchscreen (hid-over-i2c driver) as a
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* second source touchscreen.
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*/
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touchscreen3: touchscreen@20 {
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compatible = "hid-over-i2c";
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reg = <0x20>;
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hid-descr-addr = <0x0020>;
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interrupts-extended = <&pio 88 IRQ_TYPE_LEVEL_LOW>;
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status = "fail-needs-probe";
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};
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/* Lenovo Ideapad C330 uses G2Touch touchscreen as a 2nd source touchscreen */
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touchscreen@40 {
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compatible = "hid-over-i2c";
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reg = <0x40>;
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hid-descr-addr = <0x0001>;
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interrupt-parent = <&pio>;
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interrupts = <88 IRQ_TYPE_LEVEL_LOW>;
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status = "fail-needs-probe";
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};
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};
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&i2c4 {
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/*
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* Lenovo 100e Chromebook 2nd Gen (MTK) and Lenovo 300e Chromebook 2nd
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* Gen (MTK) are using synaptics trackpad (hid-over-i2c driver) as a
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* second source trackpad.
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*/
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trackpad2: trackpad@2c {
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compatible = "hid-over-i2c";
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interrupts-extended = <&pio 117 IRQ_TYPE_LEVEL_LOW>;
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pinctrl-names = "default";
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pinctrl-0 = <&trackpad_irq>;
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reg = <0x2c>;
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hid-descr-addr = <0x0020>;
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/*
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* The trackpad needs a post-power-on delay of 100ms,
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* but at time of writing, the power supply for it on
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* this board is always on. The delay is therefore not
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* added to avoid impacting the readiness of the
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* trackpad.
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*/
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vdd-supply = <&mt6397_vgp6_reg>;
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wakeup-source;
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status = "fail-needs-probe";
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};
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};
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&mmc1 {
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wp-gpios = <&pio 42 GPIO_ACTIVE_HIGH>;
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};
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&pio {
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hdmi_mux_pins: hdmi_mux_pins {
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pins2 {
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pinmux = <MT8173_PIN_98_URTS1__FUNC_GPIO98>;
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bias-pull-up;
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output-high;
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};
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};
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mmc1_pins_default: mmc1default {
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pins_wp {
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pinmux = <MT8173_PIN_42_DSI_TE__FUNC_GPIO42>;
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input-enable;
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bias-pull-up;
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};
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};
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};
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&touchscreen {
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status = "fail-needs-probe";
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};
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&trackpad {
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status = "fail-needs-probe";
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};
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