linux-kernel - [PATCH v2 1/3] dt-bindings: sdhci-of-at91: new compatible string and update properties

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Date:   Fri, 11 Oct 2019 12:33:37 +0200
From:   Ludovic Desroches <ludovic.desroches@...rochip.com>
To:     <linux-arm-kernel@...ts.infradead.org>,
        <linux-mmc@...r.kernel.org>, <devicetree@...r.kernel.org>
CC:     <ulf.hansson@...aro.org>, <nicolas.ferre@...rochip.com>,
        <adrian.hunter@...el.com>, <linux-kernel@...r.kernel.org>,
        <robh+dt@...nel.org>, <mark.rutland@....com>,
        <claudiu.beznea@...rochip.com>, <Eugen.Hristev@...rochip.com>,
        Ludovic Desroches <ludovic.desroches@...rochip.com>
Subject: [PATCH v2 1/3] dt-bindings: sdhci-of-at91: new compatible string and update properties

There is a new compatible string for the SAM9X60 sdhci device. It involves
an update of the properties about the clocks stuff.

Signed-off-by: Ludovic Desroches <ludovic.desroches@...rochip.com>
---

Changes:
- v2: remove the extra example and fix node label

This patch conflicts with Nicolas' one: "dt-bindings: sdhci-of-at91: add
the microchip,sdcal-inverted property". Let me know which one has to be
rebased or you can handle it.

Ludovic


 .../devicetree/bindings/mmc/sdhci-atmel.txt       | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/mmc/sdhci-atmel.txt b/Documentation/devicetree/bindings/mmc/sdhci-atmel.txt
index 1b662d7171a0..5d541ad4d4eb 100644
--- a/Documentation/devicetree/bindings/mmc/sdhci-atmel.txt
+++ b/Documentation/devicetree/bindings/mmc/sdhci-atmel.txt
@@ -5,17 +5,26 @@ Documentation/devicetree/bindings/mmc/mmc.txt and the properties used by the
 sdhci-of-at91 driver.
 
 Required properties:
-- compatible:		Must be "atmel,sama5d2-sdhci".
+- compatible:		Must be "atmel,sama5d2-sdhci" or "microchip,sam9x60-sdhci".
 - clocks:		Phandlers to the clocks.
-- clock-names:		Must be "hclock", "multclk", "baseclk";
+- clock-names:		Must be "hclock", "multclk", "baseclk" for
+			"atmel,sama5d2-sdhci".
+			Must be "hclock", "multclk" for "microchip,sam9x60-sdhci".
+
+Optional properties:
+- assigned-clocks:	The same with "multclk".
+- assigned-clock-rates	The rate of "multclk" in order to not rely on the
+			gck configuration set by previous components.
 
 
 Example:
 
-sdmmc0: sdio-host@...00000 {
+mmc0: sdio-host@...00000 {
 	compatible = "atmel,sama5d2-sdhci";
 	reg = <0xa0000000 0x300>;
 	interrupts = <31 IRQ_TYPE_LEVEL_HIGH 0>;
 	clocks = <&sdmmc0_hclk>, <&sdmmc0_gclk>, <&main>;
 	clock-names = "hclock", "multclk", "baseclk";
+	assigned-clocks = <&sdmmc0_gclk>;
+	assigned-clock-rates = <480000000>;
 };
-- 
2.23.0