Add BRK device tree for OpenSTLinux kirkstone(kernel 5.15)

Signed-off-by: neeraj dantu <dantuguf14105@gmail.com>

README.md

@@ -5,10 +5,9 @@ This repository contains the device tree sources for OSD32MP1-BRK
 
 | Package | Version |
 | ------- | ------- |
-| OpenSTLinux Developer Package | v3.0.0 |
-| U-Boot version | v2020.10-stm32mp-r0 |
-| TF-A version | v2.4-stm32mp-r0 |
-| Kernel Version | v5.10-stm32mp-r0 |
-| Cube Programmer | v2.5 or greater |
+| OpenSTLinux Developer Package | v4.0.0 |
+| U-Boot version | v2021.10-stm32mp-r1 |
+| TF-A version | v2.6-stm32mp-r1 |
+| Kernel Version | v5.15.24-stm32mp1-r1 |
 
-Developer Package istallation : https://wiki.st.com/stm32mpu-ecosystem-v3/wiki/STM32MP1_Developer_Package
+Developer Package istallation: https://wiki.st.com/stm32mpu-ecosystem-v4/wiki/How_to_compile_the_device_tree_with_the_Developer_Package

tf-a-v2.4-r0/osd32mp1_ddr_1x4Gb.dtsi → tf-a-v2.6-stm32mp-r1/osd32mp1_ddr_1x4Gb.dtsi

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2015-2018, STMicroelectronics - All Rights Reserved
+ * Copyright (C) 2022, Octavo Systems - All Rights Reserved
  *
  * SPDX-License-Identifier:	GPL-2.0+	BSD-3-Clause
  *
@@ -17,7 +17,7 @@
  * Save Date: 2020.08.27, save Time: 15:22:11
  */
 
-#define DDR_MEM_NAME	"DDR3-DDR3L 16bits 533000Khz"
+#define DDR_MEM_NAME	"DDR3-DDR3L 16bits 533000khz"
 #define DDR_MEM_SPEED	533000
 #define DDR_MEM_SIZE	0x20000000
 

tf-a-v2.6-stm32mp-r1/stm32mp157c-osd32mp1-brk-fw-config.dts

@@ -0,0 +1,7 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
+/*
+ * Copyright (c) 2022, Octavo Systems - All Rights Reserved
+ */
+
+#define DDR_SIZE	0x20000000 /* 512MB */
+#include "stm32mp15-fw-config.dtsi"

tf-a-v2.4-r0/stm32mp157c-osd32mp1-brk.dts → tf-a-v2.6-stm32mp-r1/stm32mp157c-osd32mp1-brk.dts

@@ -1,7 +1,7 @@
 /* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
 /*
- * Copyright (C) STMicroelectronics 2020 - All Rights Reserved
- * Author: STM32CubeMX code generation for STMicroelectronics.
+ * Copyright (C) Octavo Systems 2022 - All Rights Reserved
+ * Author: Neeraj Dantu for Octavo Systems
  */
 
 /dts-v1/;
@@ -94,7 +94,6 @@
 	i2c-scl-falling-time-ns = <20>;
 	clock-frequency = <400000>;
 	status = "okay";
-	secure-status = "okay";
 
 	pmic: stpmic@33 {
 		compatible = "st,stpmic1";
@@ -103,7 +102,6 @@
 		interrupt-controller;
 		#interrupt-cells = <2>;
 		status = "okay";
-		secure-status = "okay";
 
 		regulators {
 			compatible = "st,stpmic1-regulators";
@@ -230,10 +228,9 @@
 
 			vtt_ddr: ldo3 {
 				regulator-name = "vtt_ddr";
-				regulator-min-microvolt = <500000>;
-				regulator-max-microvolt = <750000>;
 				regulator-always-on;
 				regulator-over-current-protection;
+				st,regulator-sink-source;
 				lp-stop{
 					regulator-off-in-suspend;
 				};
@@ -287,7 +284,6 @@
 			vref_ddr: vref_ddr {
 				regulator-name = "vref_ddr";
 				regulator-always-on;
-				regulator-over-current-protection;
 				lp-stop{
 					regulator-on-in-suspend;
 				};
@@ -319,29 +315,6 @@
 	timeout-sec = <32>;
 	secure-timeout-sec = <5>;
 	status = "okay";
-	secure-status = "okay";
-};
-
-&nvmem_layout {
-	nvmem-cells = <&cfg0_otp>,
-		      <&part_number_otp>,
-		      <&monotonic_otp>,
-		      <&nand_otp>,
-		      <&uid_otp>,
-		      <&package_otp>,
-		      <&hw2_otp>,
-		      <&pkh_otp>,
-		      <&board_id>;
-
-	nvmem-cell-names = "cfg0_otp",
-			   "part_number_otp",
-			   "monotonic_otp",
-			   "nand_otp",
-			   "uid_otp",
-			   "package_otp",
-			   "hw2_otp",
-			   "pkh_otp",
-			   "board_id";
 };
 
 &pwr_regulators {
@@ -449,12 +422,10 @@
 
 &rng1 {
 	status = "okay";
-	secure-status = "okay";
 };
 
 &rtc {
 	status = "okay";
-	secure-status = "okay";
 };
 
 &sdmmc1 {
@@ -468,7 +439,7 @@
 };
 
 &timers15 {
-	secure-status = "okay";
+	status = "okay";
 	st,hsi-cal-input = <7>;
 	st,csi-cal-input = <8>;
 };

u-boot-v2020.10-r0/stm32mp157c-osd32mp1-brk.dts → u-boot-v2021.10-stm32mp-r1/stm32mp157c-osd32mp1-brk.dts

@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
 /*
- * Copyright (C) Octavo Systems LLC 2020 - All Rights Reserved
+ * Copyright (C) Octavo Systems LLC 2022 - All Rights Reserved
  */
 
 /* For more information on Device Tree configuration, please refer to
@@ -55,6 +55,12 @@
 			no-map;
 		};
 
+		mcu_rsc_table: mcu_rsc_table@10048000 {
+			compatible = "shared-dma-pool";
+			reg = <0x10048000 0x8000>;
+			no-map;
+		};
+
 		mcuram:mcuram@30000000{
 			compatible = "shared-dma-pool";
 			reg = <0x30000000 0x40000>;
@@ -105,17 +111,6 @@
 		};
 	};
 
-	usb_phy_tuning:usb-phy-tuning{
-		st,hs-dc-level = <2>;
-		st,fs-rftime-tuning;
-		st,hs-rftime-reduction;
-		st,hs-current-trim = <15>;
-		st,hs-impedance-trim = <1>;
-		st,squelch-level = <3>;
-		st,hs-rx-offset = <2>;
-		st,no-lsfs-sc;
-	};
-
 	vin:vin{
 		compatible = "regulator-fixed";
 		regulator-name = "vin";
@@ -133,7 +128,16 @@
 	};
 
 	chosen{
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
 		stdout-path = "serial0:115200n8";
+
+		framebuffer {
+			compatible = "simple-framebuffer";
+			clocks = <&rcc LTDC_PX>;
+			status = "disabled";
+		};
 	};
 
 }; /*root*/
@@ -593,9 +597,9 @@
 
 &m4_rproc{
 	memory-region = <&retram>, <&mcuram>, <&mcuram2>, <&vdev0vring0>,
-			<&vdev0vring1>, <&vdev0buffer>;
-	mboxes = <&ipcc 0>, <&ipcc 1>, <&ipcc 2>;
-	mbox-names = "vq0", "vq1", "shutdown";
+			<&vdev0vring1>, <&vdev0buffer>, <&mcu_rsc_table>;
+	mboxes = <&ipcc 0>, <&ipcc 1>, <&ipcc 2>, <&ipcc 3>;
+	mbox-names = "vq0", "vq1", "shutdown", "detach";
 	interrupt-parent = <&exti>;
 	interrupts = <68 1>;
 	wakeup-source;
@@ -801,7 +805,6 @@
 			vref_ddr:vref_ddr{
 				regulator-name = "vref_ddr";
 				regulator-always-on;
-				regulator-over-current-protection;
 			};
 
 			bst_out:boost{
@@ -922,14 +925,38 @@
 	u-boot,dm-pre-reloc;
 	status = "okay";
 	phy-supply = <&vdd_usb>;
-	st,phy-tuning = <&usb_phy_tuning>;
+	st,tune-hs-dc-level = <2>;
+	st,enable-fs-rftime-tuning;
+	st,enable-hs-rftime-reduction;
+	st,trim-hs-current = <15>;
+	st,trim-hs-impedance = <1>;
+	st,tune-squelch-level = <3>;
+	st,tune-hs-rx-offset = <2>;
+	st,no-lsfs-sc;
+
+	/*
+	 * Hack to keep hub active until all connected devices are suspended
+	 * otherwise the hub will be powered off as soon as the v3v3 is disabled
+	 * and it can disturb connected devices.
+	 */
+	connector {
+		compatible = "usb-a-connector";
+		vbus-supply = <&v3v3>;
+	};
 };
 
 &usbphyc_port1{
 	u-boot,dm-pre-reloc;
 	status = "okay";
 	phy-supply = <&vdd_usb>;
-	st,phy-tuning = <&usb_phy_tuning>;
+	st,tune-hs-dc-level = <2>;
+	st,enable-fs-rftime-tuning;
+	st,enable-hs-rftime-reduction;
+	st,trim-hs-current = <15>;
+	st,trim-hs-impedance = <1>;
+	st,tune-squelch-level = <3>;
+	st,tune-hs-rx-offset = <2>;
+	st,no-lsfs-sc;
 };
 
 &adc {