brcm2708: rename target to bcm27xx

This change makes the names of Broadcom targets consistent by using
the common notation based on SoC/CPU ID (which is used internally
anyway), bcmXXXX instead of brcmXXXX.
This is even used for target TITLE in make menuconfig already,
only the short target name used brcm so far.

Despite, since subtargets range from bcm2708 to bcm2711, it seems
appropriate to use bcm27xx instead of bcm2708 (again, as already done
for BOARDNAME).

This also renames the packages brcm2708-userland and brcm2708-gpu-fw.

Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
Acked-by: Álvaro Fernández Rojas <noltari@gmail.com>

1 files changed, 92 insertions, 0 deletions

diff --git a/target/linux/bcm27xx/patches-4.19/950-0167-media-ov5647-Add-support-for-PWDN-GPIO.patch b/target/linux/bcm27xx/patches-4.19/950-0167-media-ov5647-Add-support-for-PWDN-GPIO.patch
new file mode 100644
index 0000000000..80a5d900d6
--- /dev/null
+++ b/target/linux/bcm27xx/patches-4.19/950-0167-media-ov5647-Add-support-for-PWDN-GPIO.patch
@@ -0,0 +1,92 @@
+From f41fdda9ca98e675d7467cc352c678bbcdca2df1 Mon Sep 17 00:00:00 2001
+From: Dave Stevenson <dave.stevenson@raspberrypi.org>
+Date: Wed, 31 Oct 2018 14:56:33 +0000
+Subject: [PATCH] media: ov5647: Add support for PWDN GPIO.
+
+Add support for an optional GPIO connected to PWDN on the sensor.
+
+Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.org>
+---
+ drivers/media/i2c/ov5647.c | 28 ++++++++++++++++++++++++++++
+ 1 file changed, 28 insertions(+)
+
+--- a/drivers/media/i2c/ov5647.c
++++ b/drivers/media/i2c/ov5647.c
+@@ -21,6 +21,7 @@
+ 
+ #include <linux/clk.h>
+ #include <linux/delay.h>
++#include <linux/gpio/consumer.h>
+ #include <linux/i2c.h>
+ #include <linux/init.h>
+ #include <linux/io.h>
+@@ -35,6 +36,13 @@
+ 
+ #define SENSOR_NAME "ov5647"
+ 
++/*
++ * From the datasheet, "20ms after PWDN goes low or 20ms after RESETB goes
++ * high if reset is inserted after PWDN goes high, host can access sensor's
++ * SCCB to initialize sensor."
++ */
++#define PWDN_ACTIVE_DELAY_MS	20
++
+ #define MIPI_CTRL00_CLOCK_LANE_GATE		BIT(5)
+ #define MIPI_CTRL00_BUS_IDLE			BIT(2)
+ #define MIPI_CTRL00_CLOCK_LANE_DISABLE		BIT(0)
+@@ -86,6 +94,7 @@ struct ov5647 {
+ 	unsigned int			height;
+ 	int				power_count;
+ 	struct clk			*xclk;
++	struct gpio_desc		*pwdn;
+ };
+ 
+ static inline struct ov5647 *to_state(struct v4l2_subdev *sd)
+@@ -355,6 +364,11 @@ static int ov5647_sensor_power(struct v4
+ 	if (on && !ov5647->power_count)	{
+ 		dev_dbg(&client->dev, "OV5647 power on\n");
+ 
++		if (ov5647->pwdn) {
++			gpiod_set_value(ov5647->pwdn, 0);
++			msleep(PWDN_ACTIVE_DELAY_MS);
++		}
++
+ 		ret = clk_prepare_enable(ov5647->xclk);
+ 		if (ret < 0) {
+ 			dev_err(&client->dev, "clk prepare enable failed\n");
+@@ -392,6 +406,8 @@ static int ov5647_sensor_power(struct v4
+ 			dev_dbg(&client->dev, "soft stby failed\n");
+ 
+ 		clk_disable_unprepare(ov5647->xclk);
++
++		gpiod_set_value(ov5647->pwdn, 1);
+ 	}
+ 
+ 	/* Update the power count. */
+@@ -604,6 +620,10 @@ static int ov5647_probe(struct i2c_clien
+ 		return -EINVAL;
+ 	}
+ 
++	/* Request the power down GPIO asserted */
++	sensor->pwdn = devm_gpiod_get_optional(&client->dev, "pwdn",
++					       GPIOD_OUT_HIGH);
++
+ 	mutex_init(&sensor->lock);
+ 
+ 	sd = &sensor->sd;
+@@ -617,7 +637,15 @@ static int ov5647_probe(struct i2c_clien
+ 	if (ret < 0)
+ 		goto mutex_remove;
+ 
++	if (sensor->pwdn) {
++		gpiod_set_value(sensor->pwdn, 0);
++		msleep(PWDN_ACTIVE_DELAY_MS);
++	}
++
+ 	ret = ov5647_detect(sd);
++
++	gpiod_set_value(sensor->pwdn, 1);
++
+ 	if (ret < 0)
+ 		goto error;
+