92 lines
2.0 KiB
Diff
92 lines
2.0 KiB
Diff
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From 46beaaabd6bcf65d0d6d37be56852482870b8086 Mon Sep 17 00:00:00 2001
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From: Hyeonki Hong <hhk7734@gmail.com>
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Date: Fri, 27 Mar 2020 16:54:02 +0900
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Subject: [PATCH 006/109] ODROID-N2: ARM64/dts: add i2c2, i2c3 node
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Change-Id: I00e3748a6f8474a99d05200afc60b8d794f75c96
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---
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.../boot/dts/amlogic/meson-g12b-odroid-n2.dts | 53 +++++++++++++++++++
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1 file changed, 53 insertions(+)
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diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dts b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dts
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index f5a993ef93a5..7d4de0335873 100644
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--- a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dts
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+++ b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dts
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@@ -15,6 +15,8 @@ / {
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aliases {
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ethernet0 = ðmac;
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+ i2c1 = &i2c2;
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+ i2c2 = &i2c3;
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serial0 = &uart_AO;
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serial1 = &uart_A;
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};
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@@ -520,6 +522,35 @@ hdmi_tx_tmds_out: endpoint {
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};
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};
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+&i2c2 {
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+ status = "okay";
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+
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+ /*
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+ * 40 Pin Header : SDA(GPIOX.17->3 Pin)
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+ * SCL(GPIOX.18->5 Pin)
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+ */
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&i2c2_master_pins1>;
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+
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+ /* default 400k */
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+ clock-frequency = <400000>;
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+};
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+
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+&i2c3 {
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+ /* default i2c clock-frequency is 100Khz */
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+ status = "okay";
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+
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+ /*
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+ * 40 Pin Header : SDA(GPIOA.14->27 Pin)
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+ * SCL(GPIOA.15->28 Pin)
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+ */
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&i2c3_master_pins2>;
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+
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+ /* default 100k */
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+ clock-frequency = <100000>;
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+};
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+
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&ir {
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status = "okay";
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pinctrl-0 = <&remote_input_ao_pins>;
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@@ -527,6 +558,28 @@ &ir {
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linux,rc-map-name = "rc-odroid";
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};
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+&periphs_pinctrl {
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+ i2c2_master_pins1:i2c2-master-pins1 {
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+ mux {
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+ groups = "i2c2_sda_x",
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+ "i2c2_sck_x";
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+ function = "i2c2";
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+ bias-pull-up;
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+ drive-strength-microamp = <3000>;
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+ };
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+ };
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+
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+ i2c3_master_pins2:i2c2-master-pins2 {
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+ mux {
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+ groups = "i2c3_sda_a",
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+ "i2c3_sck_a";
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+ function = "i2c3";
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+ bias-pull-up;
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+ drive-strength-microamp = <3000>;
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+ };
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+ };
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+};
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+
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&pwm_ab {
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pinctrl-0 = <&pwm_a_e_pins>;
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pinctrl-names = "default";
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--
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2.25.1
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