[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <20220109232003.2573924-3-gsomlo@gmail.com>
Date: Sun, 9 Jan 2022 18:20:02 -0500
From: Gabriel Somlo <gsomlo@...il.com>
To: linux-kernel@...r.kernel.org
Cc: robh+dt@...nel.org, devicetree@...r.kernel.org,
ulf.hansson@...aro.org, linux-mmc@...r.kernel.org,
kgugala@...micro.com, mholenko@...micro.com, krakoczy@...micro.com,
mdudek@...ernships.antmicro.com, paulus@...abs.org, joel@....id.au,
shorne@...il.com, geert@...ux-m68k.org,
david.abdurachmanov@...ive.com, florent@...oy-digital.fr,
rdunlap@...radead.org, andy.shevchenko@...il.com, hdanton@...a.com
Subject: [PATCH v11 2/3] dt-bindings: mmc: Add bindings for LiteSDCard
LiteSDCard is a small footprint, configurable SDCard core for
FPGA based SoCs.
Signed-off-by: Gabriel Somlo <gsomlo@...il.com>
Reviewed-by: Geert Uytterhoeven <geert@...ux-m68k.org>
Reviewed-by: Rob Herring <robh@...nel.org>
Reviewed-by: Joel Stanley <joel@....id.au>
---
.../devicetree/bindings/mmc/litex,mmc.yaml | 72 +++++++++++++++++++
1 file changed, 72 insertions(+)
create mode 100644 Documentation/devicetree/bindings/mmc/litex,mmc.yaml
diff --git a/Documentation/devicetree/bindings/mmc/litex,mmc.yaml b/Documentation/devicetree/bindings/mmc/litex,mmc.yaml
new file mode 100644
index 000000000000..f57cf42b8db7
--- /dev/null
+++ b/Documentation/devicetree/bindings/mmc/litex,mmc.yaml
@@ -0,0 +1,72 @@
+# 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@...il.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.
+
+ interrupts:
+ maxItems: 1
+
+required:
+ - compatible
+ - reg
+ - reg-names
+ - clocks
+
+additionalProperties: false
+
+examples:
+ - |
+ mmc: mmc@...05000 {
+ compatible = "litex,mmc";
+ reg = <0x12005000 0x100>,
+ <0x12003800 0x100>,
+ <0x12003000 0x100>,
+ <0x12004800 0x100>,
+ <0x12004000 0x100>;
+ reg-names = "phy", "core", "reader", "writer", "irq";
+ clocks = <&reference_clk>;
+ interrupts = <4>;
+ };
--
2.31.1
Powered by blists - more mailing lists