wip-pinebook-pro/u-boot/0001-display-support.patch

From 5ae3afa4547eb82b92d93553ff07892eb8ff1665 Mon Sep 17 00:00:00 2001
From: Arnaud Patard <arnaud.patard@rtp-net.org>
Date: Fri, 11 Sep 2020 16:26:11 -0400
Subject: [PATCH 01/11] drivers/video/rockchip/rk_vop.c: Use endpoint
 compatible string to find VOP mode

The current code is using an hard coded enum and the of node reg value of
endpoint to find out if the endpoint is mipi/hdmi/lvds/edp/dp. The order
is different between rk3288, rk3399 vop little, rk3399 vop big.

A possible solution would be to make sure that the rk3288.dtsi and
rk3399.dtsi files have "expected" reg value or an other solution is
to find the kind of endpoint by comparing the endpoint compatible value.

This patch is implementing the more flexible second solution.

Signed-off-by: Arnaud Patard <arnaud.patard@rtp-net.org>

Origin: http://people.hupstream.com/~rtp/pbp/20200911/dts_vop_mode.patch
---
 .../include/asm/arch-rockchip/vop_rk3288.h    | 15 +----------
 drivers/video/rockchip/rk_vop.c               | 25 +++++++++++++++++--
 2 files changed, 24 insertions(+), 16 deletions(-)

diff --git a/arch/arm/include/asm/arch-rockchip/vop_rk3288.h b/arch/arm/include/asm/arch-rockchip/vop_rk3288.h
index 872a158b71..bf19e05997 100644
--- a/arch/arm/include/asm/arch-rockchip/vop_rk3288.h
+++ b/arch/arm/include/asm/arch-rockchip/vop_rk3288.h
@@ -85,26 +85,13 @@ enum {
 	LB_RGB_1280X8 = 0x5
 };
 
-#if defined(CONFIG_ROCKCHIP_RK3399)
 enum vop_modes {
 	VOP_MODE_EDP = 0,
 	VOP_MODE_MIPI,
 	VOP_MODE_HDMI,
-	VOP_MODE_MIPI1,
-	VOP_MODE_DP,
-	VOP_MODE_NONE,
-};
-#else
-enum vop_modes {
-	VOP_MODE_EDP = 0,
-	VOP_MODE_HDMI,
 	VOP_MODE_LVDS,
-	VOP_MODE_MIPI,
-	VOP_MODE_NONE,
-	VOP_MODE_AUTO_DETECT,
-	VOP_MODE_UNKNOWN,
+	VOP_MODE_DP,
 };
-#endif
 
 /* VOP_VERSION_INFO */
 #define M_FPGA_VERSION (0xffff << 16)
diff --git a/drivers/video/rockchip/rk_vop.c b/drivers/video/rockchip/rk_vop.c
index 9032eb430e..6cd4ccc97a 100644
--- a/drivers/video/rockchip/rk_vop.c
+++ b/drivers/video/rockchip/rk_vop.c
@@ -235,12 +235,11 @@ static int rk_display_init(struct udevice *dev, ulong fbbase, ofnode ep_node)
 	struct clk clk;
 	enum video_log2_bpp l2bpp;
 	ofnode remote;
+	const char *compat;
 
 	debug("%s(%s, %lu, %s)\n", __func__,
 	      dev_read_name(dev), fbbase, ofnode_get_name(ep_node));
 
-	vop_id = ofnode_read_s32_default(ep_node, "reg", -1);
-	debug("vop_id=%d\n", vop_id);
 	ret = ofnode_read_u32(ep_node, "remote-endpoint", &remote_phandle);
 	if (ret)
 		return ret;
@@ -282,6 +281,28 @@ static int rk_display_init(struct udevice *dev, ulong fbbase, ofnode ep_node)
 		if (disp)
 			break;
 	};
+	compat = ofnode_get_property(remote, "compatible", NULL);
+	if (!compat) {
+		debug("%s(%s): Failed to find compatible property\n",
+		      __func__, dev_read_name(dev));
+		return -EINVAL;
+	}
+	if (strstr(compat, "edp")) {
+		vop_id = VOP_MODE_EDP;
+	} else if (strstr(compat, "mipi")) {
+		vop_id = VOP_MODE_MIPI;
+	} else if (strstr(compat, "hdmi")) {
+		vop_id = VOP_MODE_HDMI;
+	} else if (strstr(compat, "cdn-dp")) {
+		vop_id = VOP_MODE_DP;
+	} else if (strstr(compat, "lvds")) {
+		vop_id = VOP_MODE_LVDS;
+	} else {
+		debug("%s(%s): Failed to find vop mode for %s\n",
+		      __func__, dev_read_name(dev), compat);
+		return -EINVAL;
+	}
+	debug("vop_id=%d\n", vop_id);
 
 	disp_uc_plat = dev_get_uclass_platdata(disp);
 	debug("Found device '%s', disp_uc_priv=%p\n", disp->name, disp_uc_plat);
-- 
2.25.4


From 382c53d4970c609a9f787422fbcd5f804ee00c3f Mon Sep 17 00:00:00 2001
From: Arnaud Patard <arnaud.patard@rtp-net.org>
Date: Fri, 11 Sep 2020 16:26:11 -0400
Subject: [PATCH 02/11] drivers/video/rockchip/rk_edp.c: Add rk3399 support

According to linux commit "drm/rockchip: analogix_dp: add rk3399 eDP
support" (82872e42bb1501dd9e60ca430f4bae45a469aa64), rk3288 and rk3399
eDP IPs are nearly the same, the difference is in the grf register
(SOC_CON6 versus SOC_CON20). So, change the code to use the right
register on each IP.

The clocks don't seem to be the same, the eDP clock is not at index 1
on rk3399, so don't try changing the clock at index 1 to rate 0 on
rk3399.

Signed-off-by: Arnaud Patard <arnaud.patard@rtp-net.org>

Origin: http://people.hupstream.com/~rtp/pbp/20200911/rk_edp_rk3399.patch
---
 .../include/asm/arch-rockchip/edp_rk3288.h    |  5 +-
 drivers/video/rockchip/rk_edp.c               | 85 ++++++++++++++-----
 2 files changed, 68 insertions(+), 22 deletions(-)

diff --git a/arch/arm/include/asm/arch-rockchip/edp_rk3288.h b/arch/arm/include/asm/arch-rockchip/edp_rk3288.h
index 105a335dab..c861f0eab1 100644
--- a/arch/arm/include/asm/arch-rockchip/edp_rk3288.h
+++ b/arch/arm/include/asm/arch-rockchip/edp_rk3288.h
@@ -232,8 +232,9 @@ check_member(rk3288_edp, pll_reg_5, 0xa00);
 #define PD_CH0					(0x1 << 0)
 
 /* pll_reg_1 */
-#define REF_CLK_24M				(0x1 << 1)
-#define REF_CLK_27M				(0x0 << 1)
+#define REF_CLK_24M				(0x1 << 0)
+#define REF_CLK_27M				(0x0 << 0)
+#define REF_CLK_MASK				(0x1 << 0)
 
 /* line_map */
 #define LANE3_MAP_LOGIC_LANE_0			(0x0 << 6)
diff --git a/drivers/video/rockchip/rk_edp.c b/drivers/video/rockchip/rk_edp.c
index 000bd48140..1b2f5f706d 100644
--- a/drivers/video/rockchip/rk_edp.c
+++ b/drivers/video/rockchip/rk_edp.c
@@ -17,11 +17,10 @@
 #include <asm/gpio.h>
 #include <asm/io.h>
 #include <asm/arch-rockchip/clock.h>
+#include <asm/arch-rockchip/hardware.h>
 #include <asm/arch-rockchip/edp_rk3288.h>
 #include <asm/arch-rockchip/grf_rk3288.h>
-#include <asm/arch-rockchip/hardware.h>
-#include <dt-bindings/clock/rk3288-cru.h>
-#include <linux/delay.h>
+#include <asm/arch-rockchip/grf_rk3399.h>
 
 #define MAX_CR_LOOP 5
 #define MAX_EQ_LOOP 5
@@ -37,18 +36,42 @@ static const char * const pre_emph_names[] = {
 #define DP_VOLTAGE_MAX         DP_TRAIN_VOLTAGE_SWING_1200
 #define DP_PRE_EMPHASIS_MAX    DP_TRAIN_PRE_EMPHASIS_9_5
 
+#define RK3288_GRF_SOC_CON6	0x025c
+#define RK3288_GRF_SOC_CON12	0x0274
+#define RK3399_GRF_SOC_CON20	0x6250
+#define RK3399_GRF_SOC_CON25	0x6264
+
+enum rockchip_dp_types {
+	RK3288_DP = 0,
+	RK3399_EDP
+};
+
+struct rockchip_dp_data {
+	unsigned long reg_vop_big_little;
+	unsigned long reg_vop_big_little_sel;
+	unsigned long reg_ref_clk_sel;
+	unsigned long ref_clk_sel_bit;
+	enum rockchip_dp_types chip_type;
+};
+
 struct rk_edp_priv {
 	struct rk3288_edp *regs;
-	struct rk3288_grf *grf;
+	void *grf;
 	struct udevice *panel;
 	struct link_train link_train;
 	u8 train_set[4];
 };
 
-static void rk_edp_init_refclk(struct rk3288_edp *regs)
+static void rk_edp_init_refclk(struct rk3288_edp *regs, enum rockchip_dp_types chip_type)
 {
 	writel(SEL_24M, &regs->analog_ctl_2);
-	writel(REF_CLK_24M, &regs->pll_reg_1);
+	u32 reg;
+
+	reg = REF_CLK_24M;
+	if (chip_type == RK3288_DP)
+		reg ^= REF_CLK_MASK;
+	writel(reg, &regs->pll_reg_1);
+
 
 	writel(LDO_OUTPUT_V_SEL_145 | KVCO_DEFALUT | CHG_PUMP_CUR_SEL_5US |
 	       V2L_CUR_SEL_1MA, &regs->pll_reg_2);
@@ -1023,6 +1046,8 @@ static int rk_edp_probe(struct udevice *dev)
 	struct display_plat *uc_plat = dev_get_uclass_platdata(dev);
 	struct rk_edp_priv *priv = dev_get_priv(dev);
 	struct rk3288_edp *regs = priv->regs;
+	struct rockchip_dp_data *edp_data = (struct rockchip_dp_data *)dev_get_driver_data(dev);
+
 	struct clk clk;
 	int ret;
 
@@ -1037,16 +1062,17 @@ static int rk_edp_probe(struct udevice *dev)
 	int vop_id = uc_plat->source_id;
 	debug("%s, uc_plat=%p, vop_id=%u\n", __func__, uc_plat, vop_id);
 
-	ret = clk_get_by_index(dev, 1, &clk);
-	if (ret >= 0) {
-		ret = clk_set_rate(&clk, 0);
-		clk_free(&clk);
-	}
-	if (ret) {
-		debug("%s: Failed to set EDP clock: ret=%d\n", __func__, ret);
-		return ret;
+	if (edp_data->chip_type == RK3288_DP) {
+		ret = clk_get_by_index(dev, 1, &clk);
+		if (ret >= 0) {
+			ret = clk_set_rate(&clk, 0);
+			clk_free(&clk);
+		}
+		if (ret) {
+			debug("%s: Failed to set EDP clock: ret=%d\n", __func__, ret);
+			return ret;
+		}
 	}
-
 	ret = clk_get_by_index(uc_plat->src_dev, 0, &clk);
 	if (ret >= 0) {
 		ret = clk_set_rate(&clk, 192000000);
@@ -1059,15 +1085,17 @@ static int rk_edp_probe(struct udevice *dev)
 	}
 
 	/* grf_edp_ref_clk_sel: from internal 24MHz or 27MHz clock */
-	rk_setreg(&priv->grf->soc_con12, 1 << 4);
+	rk_setreg(priv->grf + edp_data->reg_ref_clk_sel,
+		  edp_data->ref_clk_sel_bit);
 
 	/* select epd signal from vop0 or vop1 */
-	rk_clrsetreg(&priv->grf->soc_con6, (1 << 5),
-	    (vop_id == 1) ? (1 << 5) : (0 << 5));
+	rk_clrsetreg(priv->grf + edp_data->reg_vop_big_little,
+		     edp_data->reg_vop_big_little_sel,
+		     (vop_id == 1) ? edp_data->reg_vop_big_little_sel : 0);
 
 	rockchip_edp_wait_hpd(priv);
 
-	rk_edp_init_refclk(regs);
+	rk_edp_init_refclk(regs, edp_data->chip_type);
 	rk_edp_init_interrupt(regs);
 	rk_edp_enable_sw_function(regs);
 	ret = rk_edp_init_analog_func(regs);
@@ -1083,8 +1111,25 @@ static const struct dm_display_ops dp_rockchip_ops = {
 	.enable = rk_edp_enable,
 };
 
+static const struct rockchip_dp_data rk3399_edp = {
+	.reg_vop_big_little = RK3399_GRF_SOC_CON20,
+	.reg_vop_big_little_sel = BIT(5),
+	.reg_ref_clk_sel = RK3399_GRF_SOC_CON25,
+	.ref_clk_sel_bit = BIT(11),
+	.chip_type = RK3399_EDP,
+};
+
+static const struct rockchip_dp_data rk3288_dp = {
+	.reg_vop_big_little = RK3288_GRF_SOC_CON6,
+	.reg_vop_big_little_sel = BIT(5),
+	.reg_ref_clk_sel = RK3288_GRF_SOC_CON12,
+	.ref_clk_sel_bit = BIT(4),
+	.chip_type = RK3288_DP,
+};
+
 static const struct udevice_id rockchip_dp_ids[] = {
-	{ .compatible = "rockchip,rk3288-edp" },
+	{ .compatible = "rockchip,rk3288-edp", .data = (ulong)&rk3288_dp },
+	{ .compatible = "rockchip,rk3399-edp", .data = (ulong)&rk3399_edp },
 	{ }
 };
 
-- 
2.25.4


From b5776e11f8e7c79ff61bc2b93be9b6253db939f1 Mon Sep 17 00:00:00 2001
From: Arnaud Patard <arnaud.patard@rtp-net.org>
Date: Fri, 11 Sep 2020 16:26:12 -0400
Subject: [PATCH 03/11] drivers/video/rockchip/rk_edp.c: Change interrupt
 polarity configuration

The linux code is setting polarity configuration to 3 but
uboot code is setting it to 1. Change the configuration to match the
linux configuration

Signed-off-by: Arnaud Patard <arnaud.patard@rtp-net.org>

Origin: http://people.hupstream.com/~rtp/pbp/20200911/rk_edp_vs_linux.patch
---
 drivers/video/rockchip/rk_edp.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/video/rockchip/rk_edp.c b/drivers/video/rockchip/rk_edp.c
index 1b2f5f706d..13fa78aced 100644
--- a/drivers/video/rockchip/rk_edp.c
+++ b/drivers/video/rockchip/rk_edp.c
@@ -100,10 +100,13 @@ static void rk_edp_init_refclk(struct rk3288_edp *regs, enum rockchip_dp_types c
 	       &regs->dp_reserv2);
 }
 
+#define INT_POL1                                (0x1 << 1)
+#define INT_POL0                                (0x1 << 0)
+
 static void rk_edp_init_interrupt(struct rk3288_edp *regs)
 {
 	/* Set interrupt pin assertion polarity as high */
-	writel(INT_POL, &regs->int_ctl);
+	writel(INT_POL0 | INT_POL1, &regs->int_ctl);
 
 	/* Clear pending registers */
 	writel(0xff, &regs->common_int_sta_1);
-- 
2.25.4


From c1f23be1f6e1aa94e6b22e0a403ec061ca311f42 Mon Sep 17 00:00:00 2001
From: Arnaud Patard <arnaud.patard@rtp-net.org>
Date: Fri, 11 Sep 2020 16:26:12 -0400
Subject: [PATCH 04/11] drivers/video/rockchip/rk_edp.c: Change clock rate

The current code is setting the clock rate to 192000000, but
due to the current device-tree configuration and linux code,
it should rather be 100000000.

Signed-off-by: Arnaud Patard <arnaud.patard@rtp-net.org>

Origin: http://people.hupstream.com/~rtp/pbp/20200911/rk_vop_clk_rate.patch
---
 drivers/video/rockchip/rk_edp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/video/rockchip/rk_edp.c b/drivers/video/rockchip/rk_edp.c
index 13fa78aced..c2dc79faac 100644
--- a/drivers/video/rockchip/rk_edp.c
+++ b/drivers/video/rockchip/rk_edp.c
@@ -1078,7 +1078,7 @@ static int rk_edp_probe(struct udevice *dev)
 	}
 	ret = clk_get_by_index(uc_plat->src_dev, 0, &clk);
 	if (ret >= 0) {
-		ret = clk_set_rate(&clk, 192000000);
+		ret = clk_set_rate(&clk, 100000000);
 		clk_free(&clk);
 	}
 	if (ret < 0) {
-- 
2.25.4


From 8ecab272ff922477da225f1856cb4bc492d41fb2 Mon Sep 17 00:00:00 2001
From: Arnaud Patard <arnaud.patard@rtp-net.org>
Date: Fri, 11 Sep 2020 16:26:12 -0400
Subject: [PATCH 05/11] drivers/video/rockchip/rk_vop.c: Reserve efi fb memory

When booting with EFI and graphics, the memory used for framebuffer
has to be reserved, otherwise it may leads to kernel memory
overwrite.

Signed-off-by: Arnaud Patard <arnaud.patard@rtp-net.org>

Origin: http://people.hupstream.com/~rtp/pbp/20200911/rk_vop_reserve_fb_memory.patch
---
 drivers/video/rockchip/rk_vop.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/video/rockchip/rk_vop.c b/drivers/video/rockchip/rk_vop.c
index 6cd4ccc97a..98d33a3cec 100644
--- a/drivers/video/rockchip/rk_vop.c
+++ b/drivers/video/rockchip/rk_vop.c
@@ -20,6 +20,8 @@
 #include <asm/arch-rockchip/vop_rk3288.h>
 #include <dm/device-internal.h>
 #include <dm/uclass-internal.h>
+#include <efi.h>
+#include <efi_loader.h>
 #include <linux/bitops.h>
 #include <linux/err.h>
 #include <power/regulator.h>
@@ -394,6 +396,13 @@ int rk_vop_probe(struct udevice *dev)
 	if (!(gd->flags & GD_FLG_RELOC))
 		return 0;
 
+	plat->base = gd->bd->bi_dram[0].start + gd->bd->bi_dram[0].size - plat->size;
+
+#if defined(CONFIG_EFI_LOADER)
+	debug("Adding to EFI map %d @ %lx\n", plat->size, plat->base);
+	efi_add_memory_map(plat->base, plat->size, EFI_RESERVED_MEMORY_TYPE);
+#endif
+
 	priv->regs = (struct rk3288_vop *)dev_read_addr(dev);
 
 	/*
-- 
2.25.4


From 68098155f59cf102add0817d65a3570513500092 Mon Sep 17 00:00:00 2001
From: Arnaud Patard <arnaud.patard@rtp-net.org>
Date: Fri, 11 Sep 2020 16:26:12 -0400
Subject: [PATCH 06/11] rk3399-pinebook-pro-u-boot.dtsi: Enable edp

- uboot rockchip edp code is looking for a rockchip,panel property
  for the edp dts node, so add it.

Signed-off-by: Arnaud Patard <arnaud.patard@rtp-net.org>

Origin: http://people.hupstream.com/~rtp/pbp/20200911/update_pinebook_pro_uboot_dtsi.patch
---
 arch/arm/dts/rk3399-pinebook-pro-u-boot.dtsi | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm/dts/rk3399-pinebook-pro-u-boot.dtsi b/arch/arm/dts/rk3399-pinebook-pro-u-boot.dtsi
index 1a2e24d3ef..f0b58909a4 100644
--- a/arch/arm/dts/rk3399-pinebook-pro-u-boot.dtsi
+++ b/arch/arm/dts/rk3399-pinebook-pro-u-boot.dtsi
@@ -41,3 +41,7 @@
 &vdd_log {
 	regulator-init-microvolt = <950000>;
 };
+
+&edp {
+	rockchip,panel = <&edp_panel>;
+};
-- 
2.25.4


From cc514ca0d224b80713b0a653094f498c520bd1b3 Mon Sep 17 00:00:00 2001
From: Arnaud Patard <arnaud.patard@rtp-net.org>
Date: Fri, 11 Sep 2020 16:26:13 -0400
Subject: [PATCH 07/11] configs/pinebook-pro-rk3399_defconfig: enable
 SYS_USB_EVENT_POLL_VIA_INT_QUEUE

The default configuration will use SYS_USB_EVENT_POLL for handling the
usb keyboard and it makes the system really slow (eg slow keypress,
loading kernel/initrd from grub-efi is taking ages).

Using CONFIG_SYS_USB_EVENT_POLL_VIA_INT_QUEUE seems to be improving
things a lot, so use it.

Tested-by: Samuel Dionne-Riel <samuel@dionne-riel.com>
Signed-off-by: Arnaud Patard <arnaud.patard@rtp-net.org>

Origin: http://people.hupstream.com/~rtp/pbp/20200911/pbp_defconfig_usb_poll.patch
---
 configs/pinebook-pro-rk3399_defconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/configs/pinebook-pro-rk3399_defconfig b/configs/pinebook-pro-rk3399_defconfig
index 0c129b9aeb..fa53bef6b9 100644
--- a/configs/pinebook-pro-rk3399_defconfig
+++ b/configs/pinebook-pro-rk3399_defconfig
@@ -69,6 +69,7 @@ CONFIG_USB_EHCI_GENERIC=y
 CONFIG_USB_DWC3=y
 CONFIG_ROCKCHIP_USB2_PHY=y
 CONFIG_USB_KEYBOARD=y
+CONFIG_SYS_USB_EVENT_POLL_VIA_INT_QUEUE=y
 CONFIG_USB_HOST_ETHER=y
 CONFIG_USB_ETHER_ASIX=y
 CONFIG_USB_ETHER_RTL8152=y
-- 
2.25.4


From f3cae111f1daf8ef6a085cc435d37f741141675a Mon Sep 17 00:00:00 2001
From: Arnaud Patard <arnaud.patard@rtp-net.org>
Date: Fri, 11 Sep 2020 16:26:13 -0400
Subject: [PATCH 08/11] drivers/pwm/rk_pwm.c: Fix default polarity

In the code, the default polarity is set to positive/positive,
which is neither normal polarity or inverted polarity. It's
only the hardware default. This leads to booting linux with
wrong polarity setting.

Update the code to use PWM_DUTY_POSTIVE | PWM_INACTIVE_NEGATIVE
by default instead.

Signed-off-by: Arnaud Patard <arnaud.patard@rtp-net.org>

Origin: http://people.hupstream.com/~rtp/pbp/20200911/pwm-fix-default-polarity.patch
---
 drivers/pwm/rk_pwm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pwm/rk_pwm.c b/drivers/pwm/rk_pwm.c
index 911da1d426..c743feb920 100644
--- a/drivers/pwm/rk_pwm.c
+++ b/drivers/pwm/rk_pwm.c
@@ -146,7 +146,7 @@ static int rk_pwm_probe(struct udevice *dev)
 	priv->data = (struct rockchip_pwm_data *)dev_get_driver_data(dev);
 
 	if (priv->data->supports_polarity)
-		priv->conf_polarity = PWM_DUTY_POSTIVE | PWM_INACTIVE_POSTIVE;
+		priv->conf_polarity = PWM_DUTY_POSTIVE | PWM_INACTIVE_NEGATIVE;
 
 	return 0;
 }
-- 
2.25.4


From 60046c90d749e29348ee140583b0646e63c838be Mon Sep 17 00:00:00 2001
From: Arnaud Patard <arnaud.patard@rtp-net.org>
Date: Fri, 11 Sep 2020 16:26:13 -0400
Subject: [PATCH 09/11] [HACK NOTFORMERGE] PBP: Fix panel reset

On warm reset, the pinebook pro panel is not working correctly.
The issue is not yet debugged so, for now, this hack seems to be
enough. It toggles the GPIO1_C6 gpio [ LCDVCC_EN signal in the
schematics ] used by the vcc3v3_panel regulator.

There's no gpio_request, since the gpio is already in use at this
stage, so it can only fail.

Origin: http://people.hupstream.com/~rtp/pbp/20200911/hack-reset.patch
---
 board/pine64/pinebook-pro-rk3399/pinebook-pro-rk3399.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/board/pine64/pinebook-pro-rk3399/pinebook-pro-rk3399.c b/board/pine64/pinebook-pro-rk3399/pinebook-pro-rk3399.c
index 516292aaa5..6b8376d6cd 100644
--- a/board/pine64/pinebook-pro-rk3399/pinebook-pro-rk3399.c
+++ b/board/pine64/pinebook-pro-rk3399/pinebook-pro-rk3399.c
@@ -7,9 +7,12 @@
 #include <common.h>
 #include <dm.h>
 #include <syscon.h>
+#include <linux/delay.h>
+#include <asm/gpio.h>
 #include <asm/io.h>
 #include <asm/arch-rockchip/clock.h>
 #include <asm/arch-rockchip/grf_rk3399.h>
+#include <asm/arch-rockchip/gpio.h>
 #include <asm/arch-rockchip/hardware.h>
 #include <asm/arch-rockchip/misc.h>
 #include <power/regulator.h>
@@ -59,6 +62,7 @@ int misc_init_r(void)
 	const u32 cpuid_length = 0x10;
 	u8 cpuid[cpuid_length];
 	int ret;
+	unsigned int gpio;
 
 	setup_iodomain();
 
@@ -70,6 +74,11 @@ int misc_init_r(void)
 	if (ret)
 		return ret;
 
+	gpio_lookup_name("B22", NULL, NULL, &gpio);
+	gpio_direction_output(gpio, 0);
+	mdelay(500);
+	gpio_direction_output(gpio, 1);
+
 	return ret;
 }
 #endif
-- 
2.25.4


From 5e8bdb80f959e8fab2821191ec7f2868871a9798 Mon Sep 17 00:00:00 2001
From: Arnaud Patard <arnaud.patard@rtp-net.org>
Date: Fri, 11 Sep 2020 16:26:13 -0400
Subject: [PATCH 10/11] SPL malloc() before relocation used 0x22d0 bytes (8 KB)
 >>TPL: board_init_r() spl_init Trying to boot from BOOTROM Returning to boot
 ROM... spl_early_init pmic@1b: ret=-6 i2c@ff3c0000: ret=-6 dm_scan_fdt()
 failed: -6 dm_extended_scan_dt() failed: -6 dm_init_and_scan() returned error
 -6 spl_early_init() failed: -6 ### ERROR ### Please RESET the board ###

Origin: http://people.hupstream.com/~rtp/pbp/20200911/pmic-dm-reloc.patch
---
 arch/arm/dts/rk3399-pinebook-pro-u-boot.dtsi | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/dts/rk3399-pinebook-pro-u-boot.dtsi b/arch/arm/dts/rk3399-pinebook-pro-u-boot.dtsi
index f0b58909a4..0f8879c4ca 100644
--- a/arch/arm/dts/rk3399-pinebook-pro-u-boot.dtsi
+++ b/arch/arm/dts/rk3399-pinebook-pro-u-boot.dtsi
@@ -20,9 +20,9 @@
 	u-boot,dm-pre-reloc;
 };
 
-&rk808 {
+/*&rk808 {
 	u-boot,dm-pre-reloc;
-};
+};*/
 
 &sdhci {
 	max-frequency = <25000000>;
-- 
2.25.4


From 771c6108e693223e82d2672a18a81d8468c2d0f4 Mon Sep 17 00:00:00 2001
From: Arnaud Patard <arnaud.patard@rtp-net.org>
Date: Fri, 11 Sep 2020 16:26:14 -0400
Subject: [PATCH 11/11] (patch file disable_cdp_dp.patch)

Origin: http://people.hupstream.com/~rtp/pbp/20200911/disable_cdp_dp.patch
---
 arch/arm/dts/rk3399-pinebook-pro.dts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm/dts/rk3399-pinebook-pro.dts b/arch/arm/dts/rk3399-pinebook-pro.dts
index 294d21bf45..4e2dd14084 100644
--- a/arch/arm/dts/rk3399-pinebook-pro.dts
+++ b/arch/arm/dts/rk3399-pinebook-pro.dts
@@ -372,9 +372,9 @@
 	};
 };
 
-&cdn_dp {
+/*&cdn_dp {
 	status = "okay";
-};
+};*/
 
 &cpu_b0 {
 	cpu-supply = <&vdd_cpu_b>;
-- 
2.25.4