arm: dts: am335x: add 'u-boot, dm-pre-reloc' to panel

Add the "u-boot,dm-pre-reloc" property to the "ti,tilcdc,panel"
compatible node. In this way the video-uclass module can allocate the
amount of memory needed to be assigned to the frame buffer.
For boards that support Linux the property is added to the *-u-boot.dtsi
file since it is a u-boot specific dt flag.

Ran building tests with CONFIG_AM335X_LCD enabled and disabled for the
following configurations:
 - brxre1_defconfig           --> success
 - am335x_guardian_defconfig  --> success
 - am335x_evm_defconfig       --> success
 - da850evm_defconfig         --> failure with CONFIG_AM335X_LCD enabled

Enabling CONFIG_AM335X_LCD in da850evm_defconfig causes building errors
even without applying the patch. The driver has never been enabled on the
da850 and must be adapted for this platform.

Signed-off-by: Dario Binacchi <dariobin@libero.it>
Tested-by: Dario Binacchi <dariobin@libero.it>
Reviewed-by: Felix Brack <fb@ltec.ch>

12 files changed, 63 insertions, 0 deletions

diff --git a/arch/arm/dts/am335x-brppt1-mmc.dts b/arch/arm/dts/am335x-brppt1-mmc.dts
index 9be34d9da0c..6f919711f0a 100644
--- a/arch/arm/dts/am335x-brppt1-mmc.dts
+++ b/arch/arm/dts/am335x-brppt1-mmc.dts
@@ -53,6 +53,8 @@
 		bkl-pwm = <&pwmbacklight>;
 		bkl-tps = <&tps_bl>;
 
+		u-boot,dm-pre-reloc;
+
 		panel-info {
 			ac-bias		= <255>;
 			ac-bias-intrpt	= <0>;
diff --git a/arch/arm/dts/am335x-brppt1-nand.dts b/arch/arm/dts/am335x-brppt1-nand.dts
index 11bd5c551c2..9d4340f5914 100644
--- a/arch/arm/dts/am335x-brppt1-nand.dts
+++ b/arch/arm/dts/am335x-brppt1-nand.dts
@@ -53,6 +53,8 @@
 		bkl-pwm = <&pwmbacklight>;
 		bkl-tps = <&tps_bl>;
 
+		u-boot,dm-pre-reloc;
+
 		panel-info {
 			ac-bias		= <255>;
 			ac-bias-intrpt	= <0>;
diff --git a/arch/arm/dts/am335x-brppt1-spi.dts b/arch/arm/dts/am335x-brppt1-spi.dts
index 01ab74be5ed..c078af8fbae 100644
--- a/arch/arm/dts/am335x-brppt1-spi.dts
+++ b/arch/arm/dts/am335x-brppt1-spi.dts
@@ -54,6 +54,8 @@
 		bkl-pwm = <&pwmbacklight>;
 		bkl-tps = <&tps_bl>;
 
+		u-boot,dm-pre-reloc;
+
 		panel-info {
 			ac-bias		= <255>;
 			ac-bias-intrpt	= <0>;
diff --git a/arch/arm/dts/am335x-brsmarc1.dts b/arch/arm/dts/am335x-brsmarc1.dts
index a63fc2da22b..7e9516e8f88 100644
--- a/arch/arm/dts/am335x-brsmarc1.dts
+++ b/arch/arm/dts/am335x-brsmarc1.dts
@@ -59,6 +59,7 @@
 		/*backlight = <&tps_bl>; */
 		compatible = "ti,tilcdc,panel";
 		status = "okay";
+		u-boot,dm-pre-reloc;
 
 		panel-info {
 			ac-bias		= <255>;
diff --git a/arch/arm/dts/am335x-brxre1.dts b/arch/arm/dts/am335x-brxre1.dts
index 33d8ab78d8e..6091a12fb70 100644
--- a/arch/arm/dts/am335x-brxre1.dts
+++ b/arch/arm/dts/am335x-brxre1.dts
@@ -79,6 +79,8 @@
 
 		backlight = <&tps_bl>;
 
+		u-boot,dm-pre-reloc;
+
 		panel-info {
 			ac-bias		= <255>;
 			ac-bias-intrpt	= <0>;
diff --git a/arch/arm/dts/am335x-evm-u-boot.dtsi b/arch/arm/dts/am335x-evm-u-boot.dtsi
index b6b97ed16d9..d7b049ef20c 100644
--- a/arch/arm/dts/am335x-evm-u-boot.dtsi
+++ b/arch/arm/dts/am335x-evm-u-boot.dtsi
@@ -3,6 +3,12 @@
  * Copyright (C) 2017 Texas Instruments Incorporated - http://www.ti.com/
  */
 
+/ {
+	panel {
+		u-boot,dm-pre-reloc;
+	};
+};
+
 
 &mmc3 {
 	status = "disabled";
diff --git a/arch/arm/dts/am335x-evmsk-u-boot.dtsi b/arch/arm/dts/am335x-evmsk-u-boot.dtsi
new file mode 100644
index 00000000000..599fb377e64
--- /dev/null
+++ b/arch/arm/dts/am335x-evmsk-u-boot.dtsi
@@ -0,0 +1,12 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * am335x-evmsk U-Boot Additions
+ *
+ * Copyright (C) 2020 Dario Binacchi <dariobin@libero.it>
+ */
+
+/ {
+	panel {
+		u-boot,dm-pre-reloc;
+	};
+};
diff --git a/arch/arm/dts/am335x-guardian-u-boot.dtsi b/arch/arm/dts/am335x-guardian-u-boot.dtsi
index 156b9b0e83a..705ef335bf3 100644
--- a/arch/arm/dts/am335x-guardian-u-boot.dtsi
+++ b/arch/arm/dts/am335x-guardian-u-boot.dtsi
@@ -8,6 +8,10 @@
 	ocp {
 		u-boot,dm-pre-reloc;
 	};
+
+	panel {
+		u-boot,dm-pre-reloc;
+	};
 };
 
 &l4_wkup {
diff --git a/arch/arm/dts/am335x-pdu001-u-boot.dtsi b/arch/arm/dts/am335x-pdu001-u-boot.dtsi
index 84a07bdef46..a799fe9bc3c 100644
--- a/arch/arm/dts/am335x-pdu001-u-boot.dtsi
+++ b/arch/arm/dts/am335x-pdu001-u-boot.dtsi
@@ -7,6 +7,10 @@
 	ocp {
 		u-boot,dm-pre-reloc;
 	};
+
+	panel {
+		u-boot,dm-pre-reloc;
+	};
 };
 
 &l4_wkup {
diff --git a/arch/arm/dts/am335x-pxm50-u-boot.dtsi b/arch/arm/dts/am335x-pxm50-u-boot.dtsi
new file mode 100644
index 00000000000..77dfe6e2625
--- /dev/null
+++ b/arch/arm/dts/am335x-pxm50-u-boot.dtsi
@@ -0,0 +1,12 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * am335x-pxm50 U-Boot Additions
+ *
+ * Copyright (C) 2020 Dario Binacchi <dariobin@libero.it>
+ */
+
+/ {
+	panel {
+		u-boot,dm-pre-reloc;
+	};
+};
diff --git a/arch/arm/dts/am335x-rut-u-boot.dtsi b/arch/arm/dts/am335x-rut-u-boot.dtsi
new file mode 100644
index 00000000000..b2b4aa596a0
--- /dev/null
+++ b/arch/arm/dts/am335x-rut-u-boot.dtsi
@@ -0,0 +1,12 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * am335x-rut U-Boot Additions
+ *
+ * Copyright (C) 2020 Dario Binacchi <dariobin@libero.it>
+ */
+
+/ {
+	panel {
+		u-boot,dm-pre-reloc;
+	};
+};
diff --git a/arch/arm/dts/da850-evm-u-boot.dtsi b/arch/arm/dts/da850-evm-u-boot.dtsi
index aa42d30c720..d9afc5edf45 100644
--- a/arch/arm/dts/da850-evm-u-boot.dtsi
+++ b/arch/arm/dts/da850-evm-u-boot.dtsi
@@ -14,6 +14,10 @@
 	nand {
 		compatible = "ti,davinci-nand";
 	};
+
+	panel {
+		u-boot,dm-pre-reloc;
+	};
 };
 
 &eth0 {