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c09eb08dad
Import pending patches to support the upcoming Filogic platforms. Signed-off-by: Daniel Golle <daniel@makrotopia.org>
77 lines
1.6 KiB
Diff
77 lines
1.6 KiB
Diff
From 9ae337317d5634569bda83dfc5e0658fce34b1e2 Mon Sep 17 00:00:00 2001
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From: Weijie Gao <weijie.gao@mediatek.com>
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Date: Mon, 25 Jul 2022 16:30:30 +0800
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Subject: [PATCH 18/31] arm: dts: mt7622: add i2c support
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Add both hardware and software i2c support for mt7622.
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Reviewed-by: Simon Glass <sjg@chromium.org>
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Signed-off-by: Weijie Gao <weijie.gao@mediatek.com>
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---
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arch/arm/dts/mt7622-rfb.dts | 18 ++++++++++++++++++
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arch/arm/dts/mt7622.dtsi | 24 ++++++++++++++++++++++++
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2 files changed, 42 insertions(+)
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--- a/arch/arm/dts/mt7622-rfb.dts
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+++ b/arch/arm/dts/mt7622-rfb.dts
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@@ -159,6 +159,14 @@
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};
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};
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+
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+ i2c1_pins_default: i2c1-default {
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+ mux {
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+ function = "i2c";
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+ groups = "i2c1_0";
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+ };
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+ };
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+
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};
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&snfi {
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@@ -249,3 +257,13 @@
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&u3phy {
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status = "okay";
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};
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+
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+&soft_i2c {
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+ status = "disabled";
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+};
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+
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+&i2c1 {
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&i2c1_pins_default>;
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+ status = "okay";
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+};
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--- a/arch/arm/dts/mt7622.dtsi
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+++ b/arch/arm/dts/mt7622.dtsi
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@@ -440,4 +440,28 @@
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status = "disabled";
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};
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+ soft_i2c: soft_i2c@0 {
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+ compatible = "i2c-gpio";
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+ gpios = <&gpio 56 GPIO_ACTIVE_HIGH>, /* SDA */
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+ <&gpio 55 GPIO_ACTIVE_HIGH>; /* CLK */
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+ i2c-gpio,delay-us = <5>;
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+ status = "disabled";
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+ };
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+
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+ i2c1: i2c@11008000 {
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+ compatible = "mediatek,mt7622-i2c";
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+ reg = <0x11008000 0x90>,
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+ <0x11000180 0x80>;
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+ interrupts = <GIC_SPI 85 IRQ_TYPE_LEVEL_LOW>;
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+ clock-div = <16>;
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+ clocks = <&pericfg CLK_PERI_I2C1_PD>,
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+ <&pericfg CLK_PERI_AP_DMA_PD>;
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+ clock-names = "main", "dma";
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+ #address-cells = <1>;
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+ #size-cells = <0>;
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+ status = "disabled";
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+ };
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+
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};
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