From 400645dd70ae5a0efbbce35067c8674d380ed2a7 Mon Sep 17 00:00:00 2001 From: Hyeonki Hong Date: Wed, 13 May 2020 10:37:28 +0900 Subject: [PATCH 21/74] ODROID-C4: arm64/dts: add i2c2, i2c3 node Change-Id: Id75f935111744ff6945791deefef20f897dc98ac (cherry picked from commit 3f4b2ffd0905946175c478baa65361695e78e0de) --- .../boot/dts/amlogic/meson-sm1-odroid-c4.dts | 53 +++++++++++++++++++ 1 file changed, 53 insertions(+) diff --git a/arch/arm64/boot/dts/amlogic/meson-sm1-odroid-c4.dts b/arch/arm64/boot/dts/amlogic/meson-sm1-odroid-c4.dts index 831053aa6dff..5988dc5f34d0 100644 --- a/arch/arm64/boot/dts/amlogic/meson-sm1-odroid-c4.dts +++ b/arch/arm64/boot/dts/amlogic/meson-sm1-odroid-c4.dts @@ -16,6 +16,8 @@ / { aliases { ethernet0 = ðmac; + i2c0 = &i2c2; + i2c1 = &i2c3; serial0 = &uart_AO; serial1 = &uart_A; spi0 = &spicc0; @@ -434,6 +436,57 @@ &ir { linux,rc-map-name = "rc-odroid"; }; +&i2c2 { + status = "okay"; + + /* + * 40 Pin Header : SDA(GPIOX.17->3 Pin) + * SCL(GPIOX.18->5 Pin) + */ + pinctrl-names = "default"; + pinctrl-0 = <&i2c2_master_pins1>; + + /* default 400k */ + clock-frequency = <400000>; +}; + +&i2c3 { + /* default i2c clock-frequency is 100Khz */ + status = "okay"; + + /* + * 40 Pin Header : SDA(GPIOA.14->27 Pin) + * SCL(GPIOA.15->28 Pin) + */ + pinctrl-names = "default"; + pinctrl-0 = <&i2c3_master_pins2>; + + /* default 100k */ + clock-frequency = <100000>; +}; + +&periphs_pinctrl { + i2c2_master_pins1: i2c2-master-pins1 { + mux { + groups = "i2c2_sda_x", + "i2c2_sck_x"; + function = "i2c2"; + bias-pull-up; + drive-strength-microamp = <3000>; + }; + }; + + i2c3_master_pins2: i2c3-master-pins2 { + mux { + groups = "i2c3_sda_a", + "i2c3_sck_a"; + function = "i2c3"; + bias-pull-up; + drive-strength-microamp = <3000>; + }; + }; +}; + &pwm_AO_cd { pinctrl-0 = <&pwm_ao_d_e_pins>; pinctrl-names = "default"; -- 2.25.1