linux-kernel - [PATCH 2/3] arm64: dts: meson-axg: add MIPI DSI Nodes

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-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20200907083300.14412-3-narmstrong@baylibre.com>
Date:   Mon,  7 Sep 2020 10:32:59 +0200
From:   Neil Armstrong <narmstrong@...libre.com>
To:     khilman@...libre.com
Cc:     linux-amlogic@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Neil Armstrong <narmstrong@...libre.com>
Subject: [PATCH 2/3] arm64: dts: meson-axg: add MIPI DSI Nodes

This adds the nodes for :
- MIPI DSI+PCIe analog phy
- MIPI D-PHY
- Synopsys MIPI-DSI Transceiver

Signed-off-by: Neil Armstrong <narmstrong@...libre.com>
---
 arch/arm64/boot/dts/amlogic/meson-axg.dtsi | 60 ++++++++++++++++++++++
 1 file changed, 60 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/meson-axg.dtsi b/arch/arm64/boot/dts/amlogic/meson-axg.dtsi
index 4a93e3fecd90..f1501b19f617 100644
--- a/arch/arm64/boot/dts/amlogic/meson-axg.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-axg.dtsi
@@ -13,6 +13,7 @@
 #include <dt-bindings/reset/amlogic,meson-axg-audio-arb.h>
 #include <dt-bindings/reset/amlogic,meson-axg-reset.h>
 #include <dt-bindings/power/meson-axg-power.h>
+#include <dt-bindings/phy/phy.h>
 
 / {
 	compatible = "amlogic,meson-axg";
@@ -1111,6 +1112,8 @@
 			sysctrl: system-controller@0 {
 				compatible = "amlogic,meson-axg-hhi-sysctrl",
 					     "simple-mfd", "syscon";
+				#address-cells = <2>;
+				#size-cells = <2>;
 				reg = <0 0 0 0x400>;
 
 				clkc: clock-controller {
@@ -1159,6 +1162,12 @@
 							       <250000000>,
 							       <0>; /* Do Nothing */
 				};
+
+				mipi_pcie_analog_dphy: phy {
+					compatible = "amlogic,axg-mipi-pcie-analog-phy";
+					#phy-cells = <0>;
+					status = "disabled";
+				};
 			};
 		};
 
@@ -1171,6 +1180,19 @@
 			#mbox-cells = <1>;
 		};
 
+		mipi_dphy: phy@...40000 {
+			compatible = "amlogic,axg-mipi-dphy";
+			reg = <0x0 0xff640000 0x0 0x100>;
+			clocks = <&clkc CLKID_MIPI_DSI_PHY>;
+			clock-names = "pclk";
+			resets = <&reset RESET_MIPI_PHY>;
+			reset-names = "phy";
+			phys = <&mipi_pcie_analog_dphy>;
+			phy-names = "analog";
+			#phy-cells = <0>;
+			status = "disabled";
+		};
+
 		audio: bus@...42000 {
 			compatible = "simple-bus";
 			reg = <0x0 0xff642000 0x0 0x2000>;
@@ -1618,6 +1640,10 @@
 			/* DPI output port */
 			dpi_port: port@2 {
 				reg = <2>;
+
+				dpi_out: endpoint {
+					remote-endpoint = <&mipi_dsi_in>;
+				};
 			};
 		};
 
@@ -1647,6 +1673,40 @@
 				#reset-cells = <1>;
 			};
 
+			mipi_dsi: dsi@...0 {
+				compatible = "amlogic,meson-axg-dw-mipi-dsi";
+				reg = <0x0 0x6000 0x0 0x400>;
+				resets = <&reset RESET_MIPI_HOST>;
+				reset-names = "top";
+				clocks = <&clkc CLKID_MIPI_DSI_HOST>,
+					 <&clkc CLKID_GP0_PLL>;
+				clock-names = "pclk", "px_clk";
+				phys = <&mipi_dphy>;
+				phy-names = "dphy";
+				#address-cells = <1>;
+				#size-cells = <0>;
+				status = "disabled";
+
+				ports {
+					#address-cells = <1>;
+					#size-cells = <0>;
+
+					/* VPU VENC Input */
+					mipi_dsi_venc_port: port@0 {
+						reg = <0>;
+
+						mipi_dsi_in: endpoint {
+							remote-endpoint = <&dpi_out>;
+						};
+					};
+
+					/* DSI Output */
+					mipi_dsi_panel_port: port@1 {
+						reg = <1>;
+					};
+				};
+			};
+
 			gpio_intc: interrupt-controller@...0 {
 				compatible = "amlogic,meson-axg-gpio-intc",
 					     "amlogic,meson-gpio-intc";
-- 
2.22.0