bcm27xx: add kernel 5.10 support

Rebased RPi foundation patches on linux 5.10.59, removed applied and reverted
patches, wireless patches and defconfig patches.

bcm2708: boot tested on RPi B+ v1.2
bcm2709: boot tested on RPi 4B v1.1 4G
bcm2711: boot tested on RPi 4B v1.1 4G

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>

1 files changed, 243 insertions, 0 deletions

diff --git a/target/linux/bcm27xx/patches-5.10/950-0439-dtoverlays-Update-sensor-overlays-to-use-cam1_reg-wh.patch b/target/linux/bcm27xx/patches-5.10/950-0439-dtoverlays-Update-sensor-overlays-to-use-cam1_reg-wh.patch
new file mode 100644
index 0000000000..a82dc80c71
--- /dev/null
+++ b/target/linux/bcm27xx/patches-5.10/950-0439-dtoverlays-Update-sensor-overlays-to-use-cam1_reg-wh.patch
@@ -0,0 +1,243 @@
+From ca1159109b527af8450b627936c6eb732f496c14 Mon Sep 17 00:00:00 2001
+From: Dave Stevenson <dave.stevenson@raspberrypi.com>
+Date: Wed, 6 Jan 2021 17:42:31 +0000
+Subject: [PATCH] dtoverlays: Update sensor overlays to use cam1_reg
+ where possible
+
+Update those overlays that use the regulator framework to use the
+new cam1_reg node to control the camera shutdown line, and remove
+the firmware workaround nodes.
+
+Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
+---
+ arch/arm/boot/dts/overlays/imx219-overlay.dts | 18 +++++---------
+ .../boot/dts/overlays/imx290_327-overlay.dtsi | 18 +++++---------
+ arch/arm/boot/dts/overlays/imx477-overlay.dts | 24 +++++++------------
+ arch/arm/boot/dts/overlays/ov7251-overlay.dts | 18 +++++---------
+ arch/arm/boot/dts/overlays/ov9281-overlay.dts | 19 ++++++---------
+ 5 files changed, 34 insertions(+), 63 deletions(-)
+
+--- a/arch/arm/boot/dts/overlays/imx219-overlay.dts
++++ b/arch/arm/boot/dts/overlays/imx219-overlay.dts
+@@ -23,7 +23,7 @@
+ 				clocks = <&imx219_clk>;
+ 				clock-names = "xclk";
+ 
+-				VANA-supply = <&imx219_vana>;	/* 2.8v */
++				VANA-supply = <&cam1_reg>;	/* 2.8v */
+ 				VDIG-supply = <&imx219_vdig>;	/* 1.8v */
+ 				VDDL-supply = <&imx219_vddl>;	/* 1.2v */
+ 
+@@ -69,14 +69,6 @@
+ 	fragment@3 {
+ 		target-path="/";
+ 		__overlay__ {
+-			imx219_vana: fixedregulator@0 {
+-				compatible = "regulator-fixed";
+-				regulator-name = "imx219_vana";
+-				regulator-min-microvolt = <2800000>;
+-				regulator-max-microvolt = <2800000>;
+-				gpio = <&gpio 41 GPIO_ACTIVE_HIGH>;
+-				enable-active-high;
+-			};
+ 			imx219_vdig: fixedregulator@1 {
+ 				compatible = "regulator-fixed";
+ 				regulator-name = "imx219_vdig";
+@@ -106,10 +98,12 @@
+ 	};
+ 
+ 	fragment@5 {
+-		target-path="/__overrides__";
++		target = <&cam1_reg>;
+ 		__overlay__ {
+-			cam0-pwdn-ctrl = <&imx219_vana>,"gpio:0";
+-			cam0-pwdn      = <&imx219_vana>,"gpio:4";
++			status = "okay";
++			regulator-name = "imx219_vana";
++			regulator-min-microvolt = <2800000>;
++			regulator-max-microvolt = <2800000>;
+ 		};
+ 	};
+ 
+--- a/arch/arm/boot/dts/overlays/imx290_327-overlay.dtsi
++++ b/arch/arm/boot/dts/overlays/imx290_327-overlay.dtsi
+@@ -24,7 +24,7 @@
+ 				clock-names = "xclk";
+ 				clock-frequency = <37125000>;
+ 
+-				vdda-supply = <&imx290_vdda>;	/* 2.8v */
++				vdda-supply = <&cam1_reg>;	/* 2.8v */
+ 				vdddo-supply = <&imx290_vdddo>;	/* 1.8v */
+ 				vddd-supply = <&imx290_vddd>;	/* 1.5v */
+ 
+@@ -61,14 +61,6 @@
+ 	fragment@3 {
+ 		target-path="/";
+ 		__overlay__ {
+-			imx290_vdda: fixedregulator@0 {
+-				compatible = "regulator-fixed";
+-				regulator-name = "imx290_vdda";
+-				regulator-min-microvolt = <2800000>;
+-				regulator-max-microvolt = <2800000>;
+-				gpio = <&gpio 41 GPIO_ACTIVE_HIGH>;
+-				enable-active-high;
+-			};
+ 			imx290_vdddo: fixedregulator@1 {
+ 				compatible = "regulator-fixed";
+ 				regulator-name = "imx290_vdddo";
+@@ -98,10 +90,12 @@
+ 	};
+ 
+ 	fragment@5 {
+-		target-path="/__overrides__";
++		target = <&cam1_reg>;
+ 		__overlay__ {
+-			cam0-pwdn-ctrl = <&imx290_vdda>,"gpio:0";
+-			cam0-pwdn      = <&imx290_vdda>,"gpio:4";
++			status = "okay";
++			regulator-name = "imx290_vdda";
++			regulator-min-microvolt = <2800000>;
++			regulator-max-microvolt = <2800000>;
+ 		};
+ 	};
+ 
+--- a/arch/arm/boot/dts/overlays/imx477-overlay.dts
++++ b/arch/arm/boot/dts/overlays/imx477-overlay.dts
+@@ -23,7 +23,7 @@
+ 				clocks = <&imx477_clk>;
+ 				clock-names = "xclk";
+ 
+-				VANA-supply = <&imx477_vana>;	/* 2.8v */
++				VANA-supply = <&cam1_reg>;	/* 2.8v */
+ 				VDIG-supply = <&imx477_vdig>;	/* 1.05v */
+ 				VDDL-supply = <&imx477_vddl>;	/* 1.8v */
+ 
+@@ -69,22 +69,13 @@
+ 	fragment@3 {
+ 		target-path="/";
+ 		__overlay__ {
+-			imx477_vana: fixedregulator@0 {
+-				compatible = "regulator-fixed";
+-				regulator-name = "imx477_vana";
+-				regulator-min-microvolt = <2800000>;
+-				regulator-max-microvolt = <2800000>;
+-				gpio = <&gpio 41 GPIO_ACTIVE_HIGH>;
+-				enable-active-high;
+-				startup-delay-us = <300000>;
+-			};
+-			imx477_vdig: fixedregulator@1 {
++			imx477_vdig: fixedregulator@0 {
+ 				compatible = "regulator-fixed";
+ 				regulator-name = "imx477_vdig";
+ 				regulator-min-microvolt = <1050000>;
+ 				regulator-max-microvolt = <1050000>;
+ 			};
+-			imx477_vddl: fixedregulator@2 {
++			imx477_vddl: fixedregulator@1 {
+ 				compatible = "regulator-fixed";
+ 				regulator-name = "imx477_vddl";
+ 				regulator-min-microvolt = <1800000>;
+@@ -106,10 +97,13 @@
+ 	};
+ 
+ 	fragment@5 {
+-		target-path="/__overrides__";
++		target = <&cam1_reg>;
+ 		__overlay__ {
+-			cam0-pwdn-ctrl = <&imx477_vana>,"gpio:0";
+-			cam0-pwdn      = <&imx477_vana>,"gpio:4";
++			status = "okay";
++			regulator-name = "imx477_vana";
++			startup-delay-us = <300000>;
++			regulator-min-microvolt = <2800000>;
++			regulator-max-microvolt = <2800000>;
+ 		};
+ 	};
+ 
+--- a/arch/arm/boot/dts/overlays/ov7251-overlay.dts
++++ b/arch/arm/boot/dts/overlays/ov7251-overlay.dts
+@@ -25,11 +25,9 @@
+ 				clock-frequency = <24000000>;
+ 
+ 				vdddo-supply = <&ov7251_dovdd>;
+-				vdda-supply = <&ov7251_avdd>;
++				vdda-supply = <&cam1_reg>;
+ 				vddd-supply = <&ov7251_dvdd>;
+ 
+-				enable-gpios = <&gpio 41 GPIO_ACTIVE_HIGH>;
+-
+ 				port {
+ 					ov7251_0: endpoint {
+ 						remote-endpoint = <&csi1_ep>;
+@@ -68,12 +66,6 @@
+ 	fragment@3 {
+ 		target-path="/";
+ 		__overlay__ {
+-			ov7251_avdd: fixedregulator@0 {
+-				compatible = "regulator-fixed";
+-				regulator-name = "ov7251_avdd";
+-				regulator-min-microvolt = <2800000>;
+-				regulator-max-microvolt = <2800000>;
+-			};
+ 			ov7251_dovdd: fixedregulator@1 {
+ 				compatible = "regulator-fixed";
+ 				regulator-name = "ov7251_dovdd";
+@@ -102,10 +94,12 @@
+ 	};
+ 
+ 	fragment@5 {
+-		target-path="/__overrides__";
++		target = <&cam1_reg>;
+ 		__overlay__ {
+-			cam0-pwdn-ctrl = <&ov7251>,"enable-gpios:0";
+-			cam0-pwdn      = <&ov7251>,"enable-gpios:4";
++			status = "okay";
++			regulator-name = "ov7251_avdd";
++			regulator-min-microvolt = <2800000>;
++			regulator-max-microvolt = <2800000>;
+ 		};
+ 	};
+ };
+--- a/arch/arm/boot/dts/overlays/ov9281-overlay.dts
++++ b/arch/arm/boot/dts/overlays/ov9281-overlay.dts
+@@ -23,7 +23,7 @@
+ 				clocks = <&ov9281_clk>;
+ 				clock-names = "xvclk";
+ 
+-				avdd-supply = <&ov9281_avdd>;
++				avdd-supply = <&cam1_reg>;
+ 				dovdd-supply = <&ov9281_dovdd>;
+ 				dvdd-supply = <&ov9281_dvdd>;
+ 
+@@ -66,14 +66,6 @@
+ 	fragment@3 {
+ 		target-path="/";
+ 		__overlay__ {
+-			ov9281_avdd: fixedregulator@0 {
+-				compatible = "regulator-fixed";
+-				regulator-name = "ov9281_avdd";
+-				regulator-min-microvolt = <2800000>;
+-				regulator-max-microvolt = <2800000>;
+-				gpio = <&gpio 41 GPIO_ACTIVE_HIGH>;
+-				enable-active-high;
+-			};
+ 			ov9281_dovdd: fixedregulator@1 {
+ 				compatible = "regulator-fixed";
+ 				regulator-name = "ov9281_dovdd";
+@@ -102,10 +94,13 @@
+ 	};
+ 
+ 	fragment@5 {
+-		target-path="/__overrides__";
++		target = <&cam1_reg>;
+ 		__overlay__ {
+-			cam0-pwdn-ctrl = <&ov9281_avdd>,"gpio:0";
+-			cam0-pwdn      = <&ov9281_avdd>,"gpio:4";
++			status = "okay";
++			regulator-name = "ov9281_avdd";
++			regulator-min-microvolt = <2800000>;
++			regulator-max-microvolt = <2800000>;
+ 		};
+ 	};
++
+ };