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Date: Sun, 4 Dec 2022 10:47:13 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Ulf Hansson <ulf.hansson@...aro.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Adrian Hunter <adrian.hunter@...el.com>,
Bhupesh Sharma <bhupesh.sharma@...aro.org>,
linux-mmc@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org
Cc: Bjorn Andersson <andersson@...nel.org>,
Konrad Dybcio <konrad.dybcio@...aro.org>, abel.vesa@...aro.org,
Johan Hovold <johan+linaro@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH 1/5] dt-bindings: mmc: sdhci: document sdhci-caps and sdhci-caps-mask
The Linux SDHCI driver core reads 'sdhci-caps' and 'sdhci-caps-mask'
properties and few devices already use it (e.g. Qualcomm SM8450), so add
them to a shared SDHCI bindings.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
.../devicetree/bindings/mmc/sdhci-am654.yaml | 4 +--
.../devicetree/bindings/mmc/sdhci-common.yaml | 32 +++++++++++++++++++
.../devicetree/bindings/mmc/sdhci-msm.yaml | 2 +-
MAINTAINERS | 1 +
4 files changed, 35 insertions(+), 4 deletions(-)
create mode 100644 Documentation/devicetree/bindings/mmc/sdhci-common.yaml
diff --git a/Documentation/devicetree/bindings/mmc/sdhci-am654.yaml b/Documentation/devicetree/bindings/mmc/sdhci-am654.yaml
index 382d5face49a..c4c73ee1422c 100644
--- a/Documentation/devicetree/bindings/mmc/sdhci-am654.yaml
+++ b/Documentation/devicetree/bindings/mmc/sdhci-am654.yaml
@@ -11,7 +11,7 @@ maintainers:
- Ulf Hansson <ulf.hansson@...aro.org>
allOf:
- - $ref: mmc-controller.yaml#
+ - $ref: sdhci-common.yaml#
properties:
compatible:
@@ -49,8 +49,6 @@ properties:
- const: clk_ahb
- const: clk_xin
- sdhci-caps-mask: true
-
dma-coherent:
type: boolean
diff --git a/Documentation/devicetree/bindings/mmc/sdhci-common.yaml b/Documentation/devicetree/bindings/mmc/sdhci-common.yaml
new file mode 100644
index 000000000000..1664615187c8
--- /dev/null
+++ b/Documentation/devicetree/bindings/mmc/sdhci-common.yaml
@@ -0,0 +1,32 @@
+# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/mmc/sdhci-common.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: SDHCI Controller Common Properties
+
+maintainers:
+ - Adrian Hunter <adrian.hunter@...el.com>
+
+description:
+ Common properties present on Secure Digital Host Controller Interface (SDHCI)
+ devices.
+
+properties:
+ sdhci-caps:
+ $ref: /schemas/types.yaml#/definitions/uint64
+ description:
+ Additionally present SDHCI capabilities - values for SDHCI_CAPABILITIES
+ and SDHCI_CAPABILITIES_1 registers.
+
+ sdhci-caps-mask:
+ $ref: /schemas/types.yaml#/definitions/uint64
+ description:
+ Masked SDHCI capabilities to remove from SDHCI_CAPABILITIES and
+ SDHCI_CAPABILITIES_1 registers.
+
+allOf:
+ - $ref: mmc-controller.yaml#
+
+additionalProperties: true
diff --git a/Documentation/devicetree/bindings/mmc/sdhci-msm.yaml b/Documentation/devicetree/bindings/mmc/sdhci-msm.yaml
index fade797af150..2736c9a79f65 100644
--- a/Documentation/devicetree/bindings/mmc/sdhci-msm.yaml
+++ b/Documentation/devicetree/bindings/mmc/sdhci-msm.yaml
@@ -169,7 +169,7 @@ required:
- interrupts
allOf:
- - $ref: mmc-controller.yaml#
+ - $ref: sdhci-common.yaml#
- if:
properties:
diff --git a/MAINTAINERS b/MAINTAINERS
index 3583c5f6889d..be71999cea73 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -18732,6 +18732,7 @@ SECURE DIGITAL HOST CONTROLLER INTERFACE (SDHCI) DRIVER
M: Adrian Hunter <adrian.hunter@...el.com>
L: linux-mmc@...r.kernel.org
S: Supported
+F: Documentation/devicetree/bindings/mmc/sdhci-common.yaml
F: drivers/mmc/host/sdhci*
SECURE DIGITAL HOST CONTROLLER INTERFACE (SDHCI) MICROCHIP DRIVER
--
2.34.1
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