[Letux-kernel] [PATCH v7 06/12] ARM: DTS: omap4: add sgx gpu child node

H. Nikolaus Schaller hns at goldelico.com
Fri Apr 24 22:34:09 CEST 2020


Add SGX GPU node with interrupt. Tested on PandaBoard ES.

Since omap4420/30/60 and omap4470 come with different SGX variants
we need to introduce a new omap4470.dtsi. If an omap4470 board
does not want to use SGX it is no problem to still include
omap4460.dtsi.

Signed-off-by: H. Nikolaus Schaller <hns at goldelico.com>
---
 arch/arm/boot/dts/omap4.dtsi   | 11 ++++++-----
 arch/arm/boot/dts/omap4470.dts | 15 +++++++++++++++
 2 files changed, 21 insertions(+), 5 deletions(-)
 create mode 100644 arch/arm/boot/dts/omap4470.dts

diff --git a/arch/arm/boot/dts/omap4.dtsi b/arch/arm/boot/dts/omap4.dtsi
index 763bdea8c829..15ff3d7146af 100644
--- a/arch/arm/boot/dts/omap4.dtsi
+++ b/arch/arm/boot/dts/omap4.dtsi
@@ -389,7 +389,7 @@ abb_iva: regulator-abb-iva {
 			status = "disabled";
 		};
 
-		target-module at 56000000 {
+		sgx_module: target-module at 56000000 {
 			compatible = "ti,sysc-omap4", "ti,sysc";
 			reg = <0x5600fe00 0x4>,
 			      <0x5600fe10 0x4>;
@@ -408,10 +408,11 @@ target-module at 56000000 {
 			#size-cells = <1>;
 			ranges = <0 0x56000000 0x2000000>;
 
-			/*
-			 * Closed source PowerVR driver, no child device
-			 * binding or driver in mainline
-			 */
+			gpu: gpu at 0 {
+				compatible = "ti,omap4-sgx540-120", "img,sgx540-120", "img,sgx540";
+				reg = <0x0 0x2000000>;	/* 32MB */
+				interrupts = <GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH>;
+			};
 		};
 
 		/*
diff --git a/arch/arm/boot/dts/omap4470.dts b/arch/arm/boot/dts/omap4470.dts
new file mode 100644
index 000000000000..f29c581300bf
--- /dev/null
+++ b/arch/arm/boot/dts/omap4470.dts
@@ -0,0 +1,15 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Device Tree Source for OMAP4470 SoC
+ *
+ * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * This file is licensed under the terms of the GNU General Public License
+ * version 2.  This program is licensed "as is" without any warranty of any
+ * kind, whether express or implied.
+ */
+#include "omap4460.dtsi"
+
+&sgx {
+	compatible = "ti,omap4470-sgx544-112", "img,sgx544-112", "img,sgx544";
+};
-- 
2.25.1



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