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Message-ID: <20231006114145.18718-1-ddrokosov@salutedevices.com>
Date: Fri, 6 Oct 2023 14:41:45 +0300
From: Dmitry Rokosov <ddrokosov@...utedevices.com>
To: <neil.armstrong@...aro.org>, <jbrunet@...libre.com>,
<mturquette@...libre.com>, <khilman@...libre.com>,
<martin.blumenstingl@...glemail.com>
CC: <kernel@...rdevices.ru>, <rockosov@...il.com>,
<linux-amlogic@...ts.infradead.org>, <devicetree@...r.kernel.org>,
<linux-kernel@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
Dmitry Rokosov <ddrokosov@...utedevices.com>,
George Stark <gnstark@...utedevices.com>
Subject: [PATCH v1] arm64: dts: amlogic: a1: support all i2c masters and their muxes
A1 SoC family has four i2c masters: i2c0 (I2CM_A), i2c1 (I2CM_B), i2c2
(I2CM_C) and i2c3 (I2CM_D).
Signed-off-by: George Stark <gnstark@...utedevices.com>
Signed-off-by: Dmitry Rokosov <ddrokosov@...utedevices.com>
---
arch/arm64/boot/dts/amlogic/meson-a1.dtsi | 144 ++++++++++++++++++++++
1 file changed, 144 insertions(+)
diff --git a/arch/arm64/boot/dts/amlogic/meson-a1.dtsi b/arch/arm64/boot/dts/amlogic/meson-a1.dtsi
index 823714bcb7a0..f53000a5d0cc 100644
--- a/arch/arm64/boot/dts/amlogic/meson-a1.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-a1.dtsi
@@ -126,6 +126,106 @@ gpio: bank@400 {
gpio-ranges = <&periphs_pinctrl 0 0 62>;
};
+ i2c0_f11_pins: i2c0-f11 {
+ mux {
+ groups = "i2c0_sck_f11",
+ "i2c0_sda_f12";
+ function = "i2c0";
+ bias-pull-up;
+ drive-strength-microamp = <3000>;
+ };
+ };
+
+ i2c0_f9_pins: i2c0-f9 {
+ mux {
+ groups = "i2c0_sck_f9",
+ "i2c0_sda_f10";
+ function = "i2c0";
+ bias-pull-up;
+ drive-strength-microamp = <3000>;
+ };
+ };
+
+ i2c1_x_pins: i2c1-x {
+ mux {
+ groups = "i2c1_sck_x",
+ "i2c1_sda_x";
+ function = "i2c1";
+ bias-pull-up;
+ drive-strength-microamp = <3000>;
+ };
+ };
+
+ i2c1_a_pins: i2c1-a {
+ mux {
+ groups = "i2c1_sck_a",
+ "i2c1_sda_a";
+ function = "i2c1";
+ bias-pull-up;
+ drive-strength-microamp = <3000>;
+ };
+ };
+
+ i2c2_x0_pins: i2c2-x0 {
+ mux {
+ groups = "i2c2_sck_x0",
+ "i2c2_sda_x1";
+ function = "i2c2";
+ bias-pull-up;
+ drive-strength-microamp = <3000>;
+ };
+ };
+
+ i2c2_x15_pins: i2c2-x15 {
+ mux {
+ groups = "i2c2_sck_x15",
+ "i2c2_sda_x16";
+ function = "i2c2";
+ bias-pull-up;
+ drive-strength-microamp = <3000>;
+ };
+ };
+
+ i2c2_a4_pins: i2c2-a4 {
+ mux {
+ groups = "i2c2_sck_a4",
+ "i2c2_sda_a5";
+ function = "i2c2";
+ bias-pull-up;
+ drive-strength-microamp = <3000>;
+ };
+ };
+
+ i2c2_a8_pins: i2c2-a8 {
+ mux {
+ groups = "i2c2_sck_a8",
+ "i2c2_sda_a9";
+ function = "i2c2";
+ bias-pull-up;
+ drive-strength-microamp = <3000>;
+ };
+ };
+
+ i2c3_x_pins: i2c3-x {
+ mux {
+ groups = "i2c3_sck_x",
+ "i2c3_sda_x";
+ function = "i2c3";
+ bias-pull-up;
+ drive-strength-microamp = <3000>;
+ };
+ };
+
+ i2c3_f_pins: i2c3-f {
+ mux {
+ groups = "i2c3_sck_f",
+ "i2c3_sda_f";
+ function = "i2c3";
+ bias-pull-up;
+ drive-strength-microamp = <3000>;
+ };
+ };
+
uart_a_pins: uart-a {
mux {
groups = "uart_a_tx",
@@ -377,6 +477,17 @@ clkc_periphs: clock-controller@800 {
"hifi_pll", "xtal";
};
+ i2c0: i2c@...0 {
+ compatible = "amlogic,meson-axg-i2c";
+ status = "disabled";
+ reg = <0x0 0x1400 0x0 0x20>;
+ interrupts = <GIC_SPI 32 IRQ_TYPE_EDGE_RISING>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clocks = <&clkc_periphs CLKID_I2C_M_A>;
+ power-domains = <&pwrc PWRC_I2C_ID>;
+ };
+
uart_AO: serial@...0 {
compatible = "amlogic,meson-a1-uart",
"amlogic,meson-ao-uart";
@@ -437,6 +548,39 @@ saradc: adc@...0 {
status = "disabled";
};
+ i2c1: i2c@...0 {
+ compatible = "amlogic,meson-axg-i2c";
+ status = "disabled";
+ reg = <0x0 0x5c00 0x0 0x20>;
+ interrupts = <GIC_SPI 68 IRQ_TYPE_EDGE_RISING>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clocks = <&clkc_periphs CLKID_I2C_M_B>;
+ power-domains = <&pwrc PWRC_I2C_ID>;
+ };
+
+ i2c2: i2c@...0 {
+ compatible = "amlogic,meson-axg-i2c";
+ status = "disabled";
+ reg = <0x0 0x6800 0x0 0x20>;
+ interrupts = <GIC_SPI 76 IRQ_TYPE_EDGE_RISING>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clocks = <&clkc_periphs CLKID_I2C_M_C>;
+ power-domains = <&pwrc PWRC_I2C_ID>;
+ };
+
+ i2c3: i2c@...0 {
+ compatible = "amlogic,meson-axg-i2c";
+ status = "disabled";
+ reg = <0x0 0x6c00 0x0 0x20>;
+ interrupts = <GIC_SPI 78 IRQ_TYPE_EDGE_RISING>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clocks = <&clkc_periphs CLKID_I2C_M_D>;
+ power-domains = <&pwrc PWRC_I2C_ID>;
+ };
+
usb2_phy1: phy@...0 {
compatible = "amlogic,a1-usb2-phy";
clocks = <&clkc_periphs CLKID_USB_PHY_IN>;
--
2.36.0
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