Merge tag 'tegra-for-5.8-media' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into arm/drivers

media: tegra: Changes for v5.8-rc1

This contains a V4L2 video capture driver for Tegra210.

* tag 'tegra-for-5.8-media' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
  media: tegra-video: Do not enable COMPILE_TEST
  MAINTAINERS: correct path in TEGRA VIDEO DRIVER
  media: tegra-video: Make tegra210_video_formats static
  MAINTAINERS: Add Tegra Video driver section
  media: tegra-video: Add Tegra210 Video input driver
  dt-bindings: i2c: tegra: Document Tegra210 VI I2C
  dt-bindings: tegra: Add VI and CSI bindings
  dt-bindings: cpufreq: Add binding for NVIDIA Tegra20/30
  dt-bindings: memory: tegra: Add external memory controller binding for Tegra210
  dt-bindings: clock: tegra: Remove PMC clock IDs
  dt-bindings: clock: tegra: Add clock ID for CSI TPG clock

Link: https://lore.kernel.org/r/20200515145311.1580134-7-thierry.reding@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

1 files changed, 82 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra210-emc.yaml b/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra210-emc.yaml
new file mode 100644
index 000000000000..49ab09252e52
--- /dev/null
+++ b/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra210-emc.yaml
@@ -0,0 +1,82 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/memory-controllers/nvidia,tegra210-emc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NVIDIA Tegra210 SoC External Memory Controller
+
+maintainers:
+  - Thierry Reding <thierry.reding@gmail.com>
+  - Jon Hunter <jonathanh@nvidia.com>
+
+description: |
+  The EMC interfaces with the off-chip SDRAM to service the request stream
+  sent from the memory controller.
+
+properties:
+  compatible:
+    const: nvidia,tegra210-emc
+
+  reg:
+    maxItems: 3
+
+  clocks:
+    items:
+      - description: external memory clock
+
+  clock-names:
+    items:
+      - const: emc
+
+  interrupts:
+    items:
+      - description: EMC general interrupt
+
+  memory-region:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description:
+      phandle to a reserved memory region describing the table of EMC
+      frequencies trained by the firmware
+
+  nvidia,memory-controller:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description:
+      phandle of the memory controller node
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - clock-names
+  - nvidia,memory-controller
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/tegra210-car.h>
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+    reserved-memory {
+        #address-cells = <1>;
+        #size-cells = <1>;
+        ranges;
+
+        emc_table: emc-table@83400000 {
+            compatible = "nvidia,tegra210-emc-table";
+            reg = <0x83400000 0x10000>;
+        };
+    };
+
+    external-memory-controller@7001b000 {
+        compatible = "nvidia,tegra210-emc";
+        reg = <0x7001b000 0x1000>,
+              <0x7001e000 0x1000>,
+              <0x7001f000 0x1000>;
+        clocks = <&tegra_car TEGRA210_CLK_EMC>;
+        clock-names = "emc";
+        interrupts = <GIC_SPI 78 IRQ_TYPE_LEVEL_HIGH>;
+        memory-region = <&emc_table>;
+        nvidia,memory-controller = <&mc>;
+    };