lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [thread-next>] [day] [month] [year] [list]
Message-ID: <20191202111253.94872-1-jian.hu@amlogic.com>
Date:   Mon, 2 Dec 2019 19:12:52 +0800
From:   Jian Hu <jian.hu@...ogic.com>
To:     Jerome Brunet <jbrunet@...libre.com>,
        Neil Armstrong <narmstrong@...libre.com>
CC:     Jian Hu <jian.hu@...ogic.com>, Kevin Hilman <khilman@...libre.com>,
        Rob Herring <robh@...nel.org>,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        Michael Turquette <mturquette@...libre.com>,
        Wolfram Sang <wsa@...-dreams.de>,
        Mark Rutland <mark.rutland@....com>,
        Jianxin Pan <jianxin.pan@...ogic.com>,
        <linux-amlogic@...ts.infradead.org>, <linux-i2c@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>
Subject: [PATCH] arm64: dts: meson-a1: add I2C nodes

There are four I2C controllers in A1 series,
Share the same comptible with AXG.The I2C nodes
depend on pinmux and clock controller.

Signed-off-by: Jian Hu <jian.hu@...ogic.com>
---
 arch/arm64/boot/dts/amlogic/meson-a1.dtsi | 149 ++++++++++++++++++++++
 1 file changed, 149 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/meson-a1.dtsi b/arch/arm64/boot/dts/amlogic/meson-a1.dtsi
index eab2ecd36aa8..d0a73d953f5e 100644
--- a/arch/arm64/boot/dts/amlogic/meson-a1.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-a1.dtsi
@@ -16,6 +16,13 @@
 	#address-cells = <2>;
 	#size-cells = <2>;
 
+	aliases {
+		i2c0 = &i2c0;
+		i2c1 = &i2c1;
+		i2c2 = &i2c2;
+		i2c3 = &i2c3;
+	};
+
 	cpus {
 		#address-cells = <2>;
 		#size-cells = <0>;
@@ -117,6 +124,46 @@
 				};
 			};
 
+			i2c0: i2c@...0 {
+				compatible = "amlogic,meson-axg-i2c";
+				reg = <0x0 0x1400 0x0 0x24>;
+				interrupts = <GIC_SPI 32 IRQ_TYPE_EDGE_RISING>;
+				#address-cells = <1>;
+				#size-cells = <0>;
+				clocks = <&clkc_periphs CLKID_I2C_M_A>;
+				status = "disabled";
+			};
+
+			i2c1: i2c@...0 {
+				compatible = "amlogic,meson-axg-i2c";
+				reg = <0x0 0x5c00 0x0 0x24>;
+				interrupts = <GIC_SPI 68 IRQ_TYPE_EDGE_RISING>;
+				#address-cells = <1>;
+				#size-cells = <0>;
+				clocks = <&clkc_periphs CLKID_I2C_M_B>;
+				status = "disabled";
+			};
+
+			i2c2: i2c@...0 {
+				compatible = "amlogic,meson-axg-i2c";
+				reg = <0x0 0x6800 0x0 0x24>;
+				interrupts = <GIC_SPI 76 IRQ_TYPE_EDGE_RISING>;
+				#address-cells = <1>;
+				#size-cells = <0>;
+				clocks = <&clkc_periphs CLKID_I2C_M_C>;
+				status = "disabled";
+			};
+
+			i2c3: i2c@...0 {
+				compatible = "amlogic,meson-axg-i2c";
+				reg = <0x0 0x6c00 0x0 0x24>;
+				interrupts = <GIC_SPI 78 IRQ_TYPE_EDGE_RISING>;
+				#address-cells = <1>;
+				#size-cells = <0>;
+				clocks = <&clkc_periphs CLKID_I2C_M_D>;
+				status = "disabled";
+			};
+
 			uart_AO: serial@...0 {
 				compatible = "amlogic,meson-gx-uart",
 					     "amlogic,meson-ao-uart";
@@ -171,3 +218,105 @@
 		#clock-cells = <0>;
 	};
 };
+
+&periphs_pinctrl {
+	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>;
+		};
+	};
+};
-- 
2.24.0

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ