All of lore.kernel.org
 help / color / mirror / Atom feed
From: Biju Das <biju.das.jz@bp.renesas.com>
To: Ulf Hansson <ulf.hansson@linaro.org>, Rob Herring <robh+dt@kernel.org>
Cc: Biju Das <biju.das.jz@bp.renesas.com>,
	Wolfram Sang <wsa+renesas@sang-engineering.com>,
	linux-mmc@vger.kernel.org, devicetree@vger.kernel.org,
	Geert Uytterhoeven <geert+renesas@glider.be>,
	Chris Paterson <Chris.Paterson2@renesas.com>,
	Biju Das <biju.das@bp.renesas.com>,
	Prabhakar Mahadev Lad <prabhakar.mahadev-lad.rj@bp.renesas.com>,
	linux-renesas-soc@vger.kernel.org
Subject: [PATCH v2] dt-bindings: mmc: renesas,sdhi: Document RZ/G2L bindings
Date: Wed,  4 Aug 2021 10:19:40 +0100	[thread overview]
Message-ID: <20210804091940.23983-1-biju.das.jz@bp.renesas.com> (raw)

Document RZ/G2L SDHI controller bindings.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
---
v1->v2:
 * Fixed dtbs-check issue for RZ/A{1,2} platforms.
---
 .../devicetree/bindings/mmc/renesas,sdhi.yaml | 95 ++++++++++++-------
 1 file changed, 60 insertions(+), 35 deletions(-)

diff --git a/Documentation/devicetree/bindings/mmc/renesas,sdhi.yaml b/Documentation/devicetree/bindings/mmc/renesas,sdhi.yaml
index 677989bc5924..3a90dd447e17 100644
--- a/Documentation/devicetree/bindings/mmc/renesas,sdhi.yaml
+++ b/Documentation/devicetree/bindings/mmc/renesas,sdhi.yaml
@@ -9,9 +9,6 @@ title: Renesas SDHI SD/MMC controller
 maintainers:
   - Wolfram Sang <wsa+renesas@sang-engineering.com>
 
-allOf:
-  - $ref: "mmc-controller.yaml"
-
 properties:
   compatible:
     oneOf:
@@ -47,19 +44,20 @@ properties:
           - const: renesas,sdhi-mmc-r8a77470 # RZ/G1C (SDHI/MMC IP)
       - items:
           - enum:
-              - renesas,sdhi-r8a774a1 # RZ/G2M
-              - renesas,sdhi-r8a774b1 # RZ/G2N
-              - renesas,sdhi-r8a774c0 # RZ/G2E
-              - renesas,sdhi-r8a774e1 # RZ/G2H
-              - renesas,sdhi-r8a7795  # R-Car H3
-              - renesas,sdhi-r8a7796  # R-Car M3-W
-              - renesas,sdhi-r8a77961 # R-Car M3-W+
-              - renesas,sdhi-r8a77965 # R-Car M3-N
-              - renesas,sdhi-r8a77970 # R-Car V3M
-              - renesas,sdhi-r8a77980 # R-Car V3H
-              - renesas,sdhi-r8a77990 # R-Car E3
-              - renesas,sdhi-r8a77995 # R-Car D3
-              - renesas,sdhi-r8a779a0 # R-Car V3U
+              - renesas,sdhi-r8a774a1  # RZ/G2M
+              - renesas,sdhi-r8a774b1  # RZ/G2N
+              - renesas,sdhi-r8a774c0  # RZ/G2E
+              - renesas,sdhi-r8a774e1  # RZ/G2H
+              - renesas,sdhi-r8a7795   # R-Car H3
+              - renesas,sdhi-r8a7796   # R-Car M3-W
+              - renesas,sdhi-r8a77961  # R-Car M3-W+
+              - renesas,sdhi-r8a77965  # R-Car M3-N
+              - renesas,sdhi-r8a77970  # R-Car V3M
+              - renesas,sdhi-r8a77980  # R-Car V3H
+              - renesas,sdhi-r8a77990  # R-Car E3
+              - renesas,sdhi-r8a77995  # R-Car D3
+              - renesas,sdhi-r8a779a0  # R-Car V3U
+              - renesas,sdhi-r9a07g044 # RZ/G2{L,LC}
           - const: renesas,rcar-gen3-sdhi # R-Car Gen3 or RZ/G2
 
   reg:
@@ -71,13 +69,11 @@ properties:
 
   clocks:
     minItems: 1
-    maxItems: 2
+    maxItems: 4
 
   clock-names:
     minItems: 1
-    items:
-      - const: core
-      - const: cd
+    maxItems: 4
 
   dmas:
     minItems: 4
@@ -112,6 +108,50 @@ properties:
 
   max-frequency: true
 
+allOf:
+  - $ref: "mmc-controller.yaml"
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - renesas,sdhi-r7s72100
+              - renesas,sdhi-r7s9210
+    then:
+      properties:
+        clocks:
+          maxItems: 2
+        clock-names:
+          items:
+            - const: core
+            - const: cd
+      required:
+        - clock-names
+      description:
+        The internal card detection logic that exists in these controllers is
+        sectioned off to be run by a separate second clock source to allow
+        the main core clock to be turned off to save power.
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: renesas,sdhi-r9a07g044
+    then:
+      properties:
+        clocks:
+          items:
+            - description: IMCLK, SDHI channel main clock1.
+            - description: IMCLK2, SDHI channel main clock2. When this clock is
+                           turned off, external SD card detection cannot be
+                           detected.
+            - description: CLK_HS, SDHI channel High speed clock which operates
+                           4 times that of SDHI channel main clock1.
+            - description: ACLK, SDHI channel bus clock.
+      required:
+        - resets
+
 required:
   - compatible
   - reg
@@ -119,21 +159,6 @@ required:
   - clocks
   - power-domains
 
-if:
-  properties:
-    compatible:
-      contains:
-        enum:
-          - renesas,sdhi-r7s72100
-          - renesas,sdhi-r7s9210
-then:
-  required:
-    - clock-names
-  description:
-    The internal card detection logic that exists in these controllers is
-    sectioned off to be run by a separate second clock source to allow
-    the main core clock to be turned off to save power.
-
 unevaluatedProperties: false
 
 examples:
-- 
2.17.1


                 reply	other threads:[~2021-08-04  9:19 UTC|newest]

Thread overview: [no followups] expand[flat|nested]  mbox.gz  Atom feed

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20210804091940.23983-1-biju.das.jz@bp.renesas.com \
    --to=biju.das.jz@bp.renesas.com \
    --cc=Chris.Paterson2@renesas.com \
    --cc=biju.das@bp.renesas.com \
    --cc=devicetree@vger.kernel.org \
    --cc=geert+renesas@glider.be \
    --cc=linux-mmc@vger.kernel.org \
    --cc=linux-renesas-soc@vger.kernel.org \
    --cc=prabhakar.mahadev-lad.rj@bp.renesas.com \
    --cc=robh+dt@kernel.org \
    --cc=ulf.hansson@linaro.org \
    --cc=wsa+renesas@sang-engineering.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.