linux-kernel - [PATCH] mmc: jz4740: Add support for the JZ4725B

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Date:   Tue, 21 Aug 2018 17:21:51 +0200
From:   Paul Cercueil <paul@...pouillou.net>
To:     Ulf Hansson <ulf.hansson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>
Cc:     Ezequiel Garcia <ezequiel@...labora.co.uk>, od@...c.me,
        linux-mmc@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Paul Cercueil <paul@...pouillou.net>
Subject: [PATCH] mmc: jz4740: Add support for the JZ4725B

The JZ4725B is the first JZ SoC version that introduced a 32-bit IMASK
register, not the JZ4750.

Signed-off-by: Paul Cercueil <paul@...pouillou.net>
---
 Documentation/devicetree/bindings/mmc/jz4740.txt | 1 +
 drivers/mmc/host/jz4740_mmc.c                    | 5 +++--
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/mmc/jz4740.txt b/Documentation/devicetree/bindings/mmc/jz4740.txt
index 7cd8c432d7c8..8a6f87f13114 100644
--- a/Documentation/devicetree/bindings/mmc/jz4740.txt
+++ b/Documentation/devicetree/bindings/mmc/jz4740.txt
@@ -7,6 +7,7 @@ described in mmc.txt.
 Required properties:
 - compatible: Should be one of the following:
   - "ingenic,jz4740-mmc" for the JZ4740
+  - "ingenic,jz4725b-mmc" for the JZ4725B
   - "ingenic,jz4780-mmc" for the JZ4780
 - reg: Should contain the MMC controller registers location and length.
 - interrupts: Should contain the interrupt specifier of the MMC controller.
diff --git a/drivers/mmc/host/jz4740_mmc.c b/drivers/mmc/host/jz4740_mmc.c
index 993386c9ea50..0c1efd5100b7 100644
--- a/drivers/mmc/host/jz4740_mmc.c
+++ b/drivers/mmc/host/jz4740_mmc.c
@@ -115,7 +115,7 @@
 
 enum jz4740_mmc_version {
 	JZ_MMC_JZ4740,
-	JZ_MMC_JZ4750,
+	JZ_MMC_JZ4725B,
 	JZ_MMC_JZ4780,
 };
 
@@ -176,7 +176,7 @@ struct jz4740_mmc_host {
 static void jz4740_mmc_write_irq_mask(struct jz4740_mmc_host *host,
 				      uint32_t val)
 {
-	if (host->version >= JZ_MMC_JZ4750)
+	if (host->version >= JZ_MMC_JZ4725B)
 		return writel(val, host->base + JZ_REG_MMC_IMASK);
 	else
 		return writew(val, host->base + JZ_REG_MMC_IMASK);
@@ -1012,6 +1012,7 @@ static void jz4740_mmc_free_gpios(struct platform_device *pdev)
 
 static const struct of_device_id jz4740_mmc_of_match[] = {
 	{ .compatible = "ingenic,jz4740-mmc", .data = (void *) JZ_MMC_JZ4740 },
+	{ .compatible = "ingenic,jz4725b-mmc", .data = (void *)JZ_MMC_JZ4725B },
 	{ .compatible = "ingenic,jz4780-mmc", .data = (void *) JZ_MMC_JZ4780 },
 	{},
 };
-- 
2.11.0