linux-kernel - [PATCH v5 4/8] ARM: DTS: omap34xx: add sgx gpu child node

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Date:   Sun, 29 Mar 2020 19:38:22 +0200
From:   "H. Nikolaus Schaller" <hns@...delico.com>
To:     David Airlie <airlied@...ux.ie>, Daniel Vetter <daniel@...ll.ch>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Benoît Cousson <bcousson@...libre.com>,
        Tony Lindgren <tony@...mide.com>,
        Paul Cercueil <paul@...pouillou.net>,
        Ralf Baechle <ralf@...ux-mips.org>,
        Paul Burton <paulburton@...nel.org>,
        James Hogan <jhogan@...nel.org>
Cc:     Philipp Rossak <embed3d@...il.com>,
        dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-omap@...r.kernel.org,
        openpvrsgx-devgroup@...ux.org, letux-kernel@...nphoenux.org,
        kernel@...a-handheld.com, linux-mips@...r.kernel.org,
        "H. Nikolaus Schaller" <hns@...delico.com>,
        "Andrew F . Davis" <afd@...com>
Subject: [PATCH v5 4/8] ARM: DTS: omap34xx: add sgx gpu child node

and add interrupt.

According to omap3530 TRM the SGX register block is 64kB.
See: 13.4  SGX Register Mapping, Table 13-2

Reported-by: Andrew F. Davis <afd@...com>	# register size
Tested-by: H. Nikolaus Schaller <hns@...delico.com> # OpenPandora 600 MHz.
Signed-off-by: H. Nikolaus Schaller <hns@...delico.com>
---
 arch/arm/boot/dts/omap34xx.dtsi | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/arch/arm/boot/dts/omap34xx.dtsi b/arch/arm/boot/dts/omap34xx.dtsi
index c4dd9801840d..51c60ee2b68d 100644
--- a/arch/arm/boot/dts/omap34xx.dtsi
+++ b/arch/arm/boot/dts/omap34xx.dtsi
@@ -167,12 +167,13 @@ sgx_module: target-module@...00000 {
 			clock-names = "fck", "ick";
 			#address-cells = <1>;
 			#size-cells = <1>;
-			ranges = <0 0x50000000 0x4000>;
+			ranges = <0 0x50000000 0x10000>;
 
-			/*
-			 * Closed source PowerVR driver, no child device
-			 * binding or driver in mainline
-			 */
+			gpu: gpu@0 {
+				compatible = "ti,omap3-sgx530-121", "img,sgx530-121", "img,sgx530";
+				reg = <0x0 0x10000>;	/* 64kB */
+				interrupts = <21>;
+			};
 		};
 	};
 
-- 
2.25.1