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Date: Tue, 13 Nov 2018 11:31:11 +0530
From: Vignesh R <vigneshr@...com>
To: Tero Kristo <t-kristo@...com>, Rob Herring <robh+dt@...nel.org>
CC: Nishanth Menon <nm@...com>, Mark Rutland <mark.rutland@....com>,
<linux-kernel@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<devicetree@...r.kernel.org>, Vignesh R <vigneshr@...com>,
<linux-omap@...r.kernel.org>,
Linus Walleij <linus.walleij@...aro.org>,
Tony Lindgren <tony@...mide.com>
Subject: [PATCH v2 4/4] arm64: dts: ti: k3-am654-base-board: Add I2C nodes
Add DT entries for I2C instances present in AM654 SoC.
Signed-off-by: Vignesh R <vigneshr@...com>
---
arch/arm64/boot/dts/ti/k3-am65-main.dtsi | 44 ++++++++++++
arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi | 11 +++
arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi | 11 +++
arch/arm64/boot/dts/ti/k3-am65.dtsi | 6 ++
.../arm64/boot/dts/ti/k3-am654-base-board.dts | 70 +++++++++++++++++++
5 files changed, 142 insertions(+)
diff --git a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
index f7c2a60d5c80..916434839603 100644
--- a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
@@ -85,4 +85,48 @@
pinctrl-single,register-width = <32>;
pinctrl-single,function-mask = <0xffffffff>;
};
+
+ main_i2c0: i2c@...0000 {
+ compatible = "ti,am654-i2c", "ti,omap4-i2c";
+ reg = <0x0 0x2000000 0x0 0x100>;
+ interrupts = <GIC_SPI 200 IRQ_TYPE_LEVEL_HIGH>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clock-names = "fck";
+ clocks = <&k3_clks 110 1>;
+ power-domains = <&k3_pds 110>;
+ };
+
+ main_i2c1: i2c@...0000 {
+ compatible = "ti,am654-i2c", "ti,omap4-i2c";
+ reg = <0x0 0x2010000 0x0 0x100>;
+ interrupts = <GIC_SPI 201 IRQ_TYPE_LEVEL_HIGH>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clock-names = "fck";
+ clocks = <&k3_clks 111 1>;
+ power-domains = <&k3_pds 111>;
+ };
+
+ main_i2c2: i2c@...0000 {
+ compatible = "ti,am654-i2c", "ti,omap4-i2c";
+ reg = <0x0 0x2020000 0x0 0x100>;
+ interrupts = <GIC_SPI 202 IRQ_TYPE_LEVEL_HIGH>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clock-names = "fck";
+ clocks = <&k3_clks 112 1>;
+ power-domains = <&k3_pds 112>;
+ };
+
+ main_i2c3: i2c@...0000 {
+ compatible = "ti,am654-i2c", "ti,omap4-i2c";
+ reg = <0x0 0x2030000 0x0 0x100>;
+ interrupts = <GIC_SPI 203 IRQ_TYPE_LEVEL_HIGH>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clock-names = "fck";
+ clocks = <&k3_clks 113 1>;
+ power-domains = <&k3_pds 113>;
+ };
};
diff --git a/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi b/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi
index 8c611d16df44..1fd027748e1f 100644
--- a/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am65-mcu.dtsi
@@ -15,4 +15,15 @@
clock-frequency = <96000000>;
current-speed = <115200>;
};
+
+ mcu_i2c0: i2c@...00000 {
+ compatible = "ti,am654-i2c", "ti,omap4-i2c";
+ reg = <0x0 0x40b00000 0x0 0x100>;
+ interrupts = <GIC_SPI 564 IRQ_TYPE_LEVEL_HIGH>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clock-names = "fck";
+ clocks = <&k3_clks 114 1>;
+ power-domains = <&k3_pds 114>;
+ };
};
diff --git a/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi
index 19b46f40789b..9e8467ce7ad8 100644
--- a/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am65-wakeup.dtsi
@@ -51,4 +51,15 @@
clock-frequency = <48000000>;
current-speed = <115200>;
};
+
+ wkup_i2c0: i2c@...20000 {
+ compatible = "ti,am654-i2c", "ti,omap4-i2c";
+ reg = <0x42120000 0x100>;
+ interrupts = <GIC_SPI 696 IRQ_TYPE_LEVEL_HIGH>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clock-names = "fck";
+ clocks = <&k3_clks 115 1>;
+ power-domains = <&k3_pds 115>;
+ };
};
diff --git a/arch/arm64/boot/dts/ti/k3-am65.dtsi b/arch/arm64/boot/dts/ti/k3-am65.dtsi
index 6fdfc7815811..50f4be2047a9 100644
--- a/arch/arm64/boot/dts/ti/k3-am65.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am65.dtsi
@@ -23,6 +23,12 @@
serial2 = &main_uart0;
serial3 = &main_uart1;
serial4 = &main_uart2;
+ i2c0 = &wkup_i2c0;
+ i2c1 = &mcu_i2c0;
+ i2c2 = &main_i2c0;
+ i2c3 = &main_i2c1;
+ i2c4 = &main_i2c2;
+ i2c5 = &main_i2c3;
};
chosen { };
diff --git a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts
index cbf9d3dfeaa3..bd5a0069191d 100644
--- a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts
+++ b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts
@@ -35,6 +35,15 @@
};
};
+&wkup_pmx0 {
+ wkup_i2c0_pins_default: wkup-i2c0-pins-default {
+ pinctrl-single,pins = <
+ AM65X_WKUP_IOPAD(0x00e0, PIN_INPUT, 0) /* (AC7) WKUP_I2C0_SCL */
+ AM65X_WKUP_IOPAD(0x00e4, PIN_INPUT, 0) /* (AD6) WKUP_I2C0_SDA */
+ >;
+ };
+};
+
&main_pmx0 {
main_uart0_pins_default: main-uart0-pins-default {
pinctrl-single,pins = <
@@ -44,6 +53,29 @@
AM65X_IOPAD(0x01f0, PIN_OUTPUT, 0) /* (AD11) UART0_RTSn */
>;
};
+
+ main_i2c2_pins_default: main-i2c2-pins-default {
+ pinctrl-single,pins = <
+ AM65X_IOPAD(0x0074, PIN_INPUT, 5) /* (T27) GPMC0_CSn3.I2C2_SCL */
+ AM65X_IOPAD(0x0070, PIN_INPUT, 5) /* (R25) GPMC0_CSn2.I2C2_SDA */
+ >;
+ };
+};
+
+&main_pmx1 {
+ main_i2c0_pins_default: main-i2c0-pins-default {
+ pinctrl-single,pins = <
+ AM65X_IOPAD(0x0000, PIN_INPUT, 0) /* (D20) I2C0_SCL */
+ AM65X_IOPAD(0x0004, PIN_INPUT, 0) /* (C21) I2C0_SDA */
+ >;
+ };
+
+ main_i2c1_pins_default: main-i2c1-pins-default {
+ pinctrl-single,pins = <
+ AM65X_IOPAD(0x0008, PIN_INPUT, 0) /* (B21) I2C1_SCL */
+ AM65X_IOPAD(0x000c, PIN_INPUT, 0) /* (E21) I2C1_SDA */
+ >;
+ };
};
&wkup_uart0 {
@@ -55,3 +87,41 @@
pinctrl-names = "default";
pinctrl-0 = <&main_uart0_pins_default>;
};
+
+&wkup_i2c0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&wkup_i2c0_pins_default>;
+ clock-frequency = <400000>;
+
+ pca9554: gpio@39 {
+ compatible = "nxp,pca9554";
+ reg = <0x39>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ };
+};
+
+&main_i2c0 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&main_i2c0_pins_default>;
+ clock-frequency = <400000>;
+
+ pca9555: gpio@21 {
+ compatible = "nxp,pca9555";
+ reg = <0x21>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ };
+};
+
+&main_i2c1 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&main_i2c1_pins_default>;
+ clock-frequency = <400000>;
+};
+
+&main_i2c2 {
+ pinctrl-names = "default";
+ pinctrl-0 = <&main_i2c2_pins_default>;
+ clock-frequency = <400000>;
+};
--
2.19.1
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