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From:   Dmitry Rokosov <ddrokosov@salutedevices.com>
To:     <neil.armstrong@linaro.org>, <jbrunet@baylibre.com>,
        <mturquette@baylibre.com>, <khilman@baylibre.com>,
        <martin.blumenstingl@googlemail.com>
CC:     <kernel@sberdevices.ru>, <rockosov@gmail.com>,
        <linux-amlogic@lists.infradead.org>, <devicetree@vger.kernel.org>,
        <linux-kernel@vger.kernel.org>,
        <linux-arm-kernel@lists.infradead.org>,
        Dmitry Rokosov <ddrokosov@salutedevices.com>,
        George Stark <gnstark@salutedevices.com>
Subject: [PATCH v1] arm64: dts: amlogic: a1: support all i2c masters and their muxes
Date:   Fri, 6 Oct 2023 14:41:45 +0300
Message-ID: <20231006114145.18718-1-ddrokosov@salutedevices.com>
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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@salutedevices.com>
Signed-off-by: Dmitry Rokosov <ddrokosov@salutedevices.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@1400 {
+				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@1c00 {
 				compatible = "amlogic,meson-a1-uart",
 					     "amlogic,meson-ao-uart";
@@ -437,6 +548,39 @@ saradc: adc@2c00 {
 				status = "disabled";
 			};
 
+			i2c1: i2c@5c00 {
+				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@6800 {
+				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@6c00 {
+				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@4000 {
 				compatible = "amlogic,a1-usb2-phy";
 				clocks = <&clkc_periphs CLKID_USB_PHY_IN>;
-- 
2.36.0