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Message-ID: <20230306040739.51488-3-blarson@amd.com>
Date: Sun, 5 Mar 2023 20:07:26 -0800
From: Brad Larson <blarson@....com>
To: <linux-arm-kernel@...ts.infradead.org>
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Subject: [PATCH v10 02/15] dt-bindings: mmc: cdns: Add AMD Pensando Elba SoC
AMD Pensando Elba ARM 64-bit SoC is integrated with this IP and
explicitly controls byte-lane enables.
Signed-off-by: Brad Larson <blarson@....com>
---
v10 changes:
- Move reset-names property definition next to existing resets prop
- Move allOf to the bottom and set resets/reset-names required only for pensando
- Fix reg maxItems for existing, must be 1
v9 changes:
- Add reset-names and resets properties
- Add if/then on property amd,pensando-elba-sd4hc to set reg property
values for minItems and maxItems
---
.../devicetree/bindings/mmc/cdns,sdhci.yaml | 33 ++++++++++++++++---
1 file changed, 29 insertions(+), 4 deletions(-)
diff --git a/Documentation/devicetree/bindings/mmc/cdns,sdhci.yaml b/Documentation/devicetree/bindings/mmc/cdns,sdhci.yaml
index adacd0535c14..0c4d6d4b2b58 100644
--- a/Documentation/devicetree/bindings/mmc/cdns,sdhci.yaml
+++ b/Documentation/devicetree/bindings/mmc/cdns,sdhci.yaml
@@ -9,19 +9,18 @@ title: Cadence SD/SDIO/eMMC Host Controller (SD4HC)
maintainers:
- Masahiro Yamada <yamada.masahiro@...ionext.com>
-allOf:
- - $ref: mmc-controller.yaml
-
properties:
compatible:
items:
- enum:
+ - amd,pensando-elba-sd4hc
- microchip,mpfs-sd4hc
- socionext,uniphier-sd4hc
- const: cdns,sd4hc
reg:
- maxItems: 1
+ minItems: 1
+ maxItems: 2
interrupts:
maxItems: 1
@@ -30,8 +29,13 @@ properties:
maxItems: 1
resets:
+ description: physical line number to hardware reset the mmc
maxItems: 1
+ reset-names:
+ items:
+ - const: hw
+
# PHY DLL input delays:
# They are used to delay the data valid window, and align the window to
# sampling clock. The delay starts from 5ns (for delay parameter equal to 0)
@@ -120,6 +124,27 @@ required:
- interrupts
- clocks
+allOf:
+ - $ref: mmc-controller.yaml
+ - if:
+ properties:
+ compatible:
+ contains:
+ const: amd,pensando-elba-sd4hc
+ then:
+ properties:
+ reg:
+ minItems: 2
+ required:
+ - reset-names
+ - resets
+ else:
+ properties:
+ reset-names: false
+ resets: false
+ reg:
+ maxItems: 1
+
unevaluatedProperties: false
examples:
--
2.17.1
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