ARM: dts: imx6/7: reserve CMA memory for GPU

At imx6dl/imx6q/imx6sx,reserve 320M CMA memory
At imx7ulp,reserve 200M CMA memory

Signed-off-by: Minjie Zhuang <minjie.zhuang@nxp.com>

diff --git a/arch/arm/boot/dts/imx6dl.dtsi b/arch/arm/boot/dts/imx6dl.dtsi
index 59015ea..734da45 100755 (executable)
--- a/arch/arm/boot/dts/imx6dl.dtsi
+++ b/arch/arm/boot/dts/imx6dl.dtsi
@@ -84,6 +84,20 @@
                };
        };
 
+        reserved-memory {
+                #address-cells = <1>;
+                #size-cells = <1>;
+                ranges;
+
+                /* global autoconfigured region for contiguous allocations */
+                linux,cma {
+                        compatible = "shared-dma-pool";
+                        reusable;
+                        size = <0x14000000>;
+                        linux,cma-default;
+                };
+        };
+
        soc {
                ocram: sram@905000 {
                        compatible = "mmio-sram";

diff --git a/arch/arm/boot/dts/imx6q.dtsi b/arch/arm/boot/dts/imx6q.dtsi
index e49d1e5..7e3b0de 100644 (file)
--- a/arch/arm/boot/dts/imx6q.dtsi
+++ b/arch/arm/boot/dts/imx6q.dtsi
@@ -163,6 +163,20 @@
                };
        };
 
+        reserved-memory {
+                #address-cells = <1>;
+                #size-cells = <1>;
+                ranges;
+
+                /* global autoconfigured region for contiguous allocations */
+                linux,cma {
+                        compatible = "shared-dma-pool";
+                        reusable;
+                        size = <0x14000000>;
+                        linux,cma-default;
+                };
+        };
+
        soc {
                busfreq: busfreq {
                        compatible = "fsl,imx_busfreq";

diff --git a/arch/arm/boot/dts/imx6sx.dtsi b/arch/arm/boot/dts/imx6sx.dtsi
index 995da2e..8b34540 100644 (file)
--- a/arch/arm/boot/dts/imx6sx.dtsi
+++ b/arch/arm/boot/dts/imx6sx.dtsi
@@ -96,6 +96,20 @@
                };
        };
 
+        reserved-memory {
+                #address-cells = <1>;
+                #size-cells = <1>;
+                ranges;
+
+                /* global autoconfigured region for contiguous allocations */
+                linux,cma {
+                        compatible = "shared-dma-pool";
+                        reusable;
+                        size = <0x14000000>;
+                        linux,cma-default;
+                };
+        };
+
        ckil: clock-ckil {
                compatible = "fixed-clock";
                #clock-cells = <0>;

diff --git a/arch/arm/boot/dts/imx7ulp.dtsi b/arch/arm/boot/dts/imx7ulp.dtsi
index e40ee79..b23195d 100644 (file)
--- a/arch/arm/boot/dts/imx7ulp.dtsi
+++ b/arch/arm/boot/dts/imx7ulp.dtsi
@@ -61,6 +61,21 @@
                };
        };
 
+        reserved-memory {
+                #address-cells = <1>;
+                #size-cells = <1>;
+                ranges;
+
+                /* global autoconfigured region for contiguous allocations */
+                linux,cma {
+                        compatible = "shared-dma-pool";
+                        reusable;
+                        size = <0xC000000>;
+                        alignment = <0x2000>;
+                        linux,cma-default;
+                };
+        };
+
        intc: interrupt-controller@40021000 {
                compatible = "arm,cortex-a7-gic";
                #interrupt-cells = <3>;