From: prakity@marvell.com (Philip Rakity)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/2] mach-mmp: Support for SD/MMC clock adjustment in brownstone
Date: Sun, 13 Feb 2011 22:56:22 -0800 [thread overview]
Message-ID: <9C2307EC-8314-40D5-A33B-38834F0F4698@marvell.com> (raw)
Set timing for brownstone for SD/MMC cards to enable detection
timing adjustments are needed when speed > 25MHz
remove limitation on maximum speed of 25MHz
Signed-off-by: Philip Rakity <prakity@marvell.com>
---
arch/arm/mach-mmp/brownstone.c | 10 +++++++++-
1 files changed, 9 insertions(+), 1 deletions(-)
diff --git a/arch/arm/mach-mmp/brownstone.c b/arch/arm/mach-mmp/brownstone.c
index 0e92fd7..35afe60 100644
--- a/arch/arm/mach-mmp/brownstone.c
+++ b/arch/arm/mach-mmp/brownstone.c
@@ -178,14 +178,22 @@ static struct i2c_board_info brownstone_twsi1_info[] = {
};
static struct sdhci_pxa_platdata mmp2_sdh_platdata_mmc0 = {
- .max_speed = 25000000,
+ .adjust_clocks = 1,
+ .clk_select = 1,
+ .clk_delay = 31,
};
static struct sdhci_pxa_platdata mmp2_sdh_platdata_mmc1 = {
+ .adjust_clocks = 1,
+ .clk_select = 1,
+ .clk_delay = 15,
.flags = PXA_FLAG_CARD_PERMANENT,
};
static struct sdhci_pxa_platdata mmp2_sdh_platdata_mmc2 = {
+ .adjust_clocks = 1,
+ .clk_select = 1,
+ .clk_delay = 31,
.flags = PXA_FLAG_CARD_PERMANENT |
PXA_FLAG_SD_8_BIT_CAPABLE_SLOT,
};
--
1.7.0.4
next reply other threads:[~2011-02-14 6:56 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-14 6:56 Philip Rakity [this message]
2011-02-14 15:46 ` [PATCH 2/2] mach-mmp: Support for SD/MMC clock adjustment in brownstone Russell King - ARM Linux
2011-02-14 17:44 ` Philip Rakity
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