Adding upstream version 6.1.76.upstream/6.1.76

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 78 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/mmc/litex,mmc.yaml b/Documentation/devicetree/bindings/mmc/litex,mmc.yaml
new file mode 100644
index 000000000..ef9e0da44
--- /dev/null
+++ b/Documentation/devicetree/bindings/mmc/litex,mmc.yaml
@@ -0,0 +1,78 @@
+# SPDX-License-Identifier: GPL-2.0-or-later OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mmc/litex,mmc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: LiteX LiteSDCard device
+
+maintainers:
+  - Gabriel Somlo <gsomlo@gmail.com>
+
+description: |
+  LiteSDCard is a small footprint, configurable SDCard core for FPGA based
+  system on chips.
+
+  The hardware source is Open Source and can be found on at
+  https://github.com/enjoy-digital/litesdcard/.
+
+allOf:
+  - $ref: mmc-controller.yaml#
+
+properties:
+  compatible:
+    const: litex,mmc
+
+  reg:
+    items:
+      - description: PHY registers
+      - description: CORE registers
+      - description: DMA Reader buffer
+      - description: DMA Writer buffer
+      - description: IRQ registers
+    minItems: 4
+
+  reg-names:
+    items:
+      - const: phy
+      - const: core
+      - const: reader
+      - const: writer
+      - const: irq
+    minItems: 4
+
+  clocks:
+    maxItems: 1
+    description:
+      Handle to reference clock.
+
+  vmmc-supply:
+    description:
+      Handle to fixed-voltage supply for the card power.
+
+  interrupts:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - reg-names
+  - clocks
+  - vmmc-supply
+
+additionalProperties: false
+
+examples:
+  - |
+    mmc: mmc@12005000 {
+        compatible = "litex,mmc";
+        reg = <0x12005000 0x100>,
+              <0x12003800 0x100>,
+              <0x12003000 0x100>,
+              <0x12004800 0x100>,
+              <0x12004000 0x100>;
+        reg-names = "phy", "core", "reader", "writer", "irq";
+        clocks = <&reference_clk>;
+        vmmc-supply = <&vreg_mmc>;
+        interrupts = <4>;
+    };