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Message-Id: <1496847690-1883-1-git-send-email-dinguyen@kernel.org>
Date: Wed, 7 Jun 2017 10:01:30 -0500
From: Dinh Nguyen <dinguyen@...nel.org>
To: linux-clk@...r.kernel.org
Cc: dinguyen@...nel.org, sboyd@...eaurora.org, mturquette@...libre.com,
linux-kernel@...r.kernel.org
Subject: [PATCH] clk: socfpga: Fix the smplsel on Arria10 and Stratix10
The smplsel bits for the SDMMC clock on Arria10 and Stratix10 platforms are
offset by 1 additional bit.
Add a new macro SYSMGR_SDMMC_CTRL_SET_AS10 for usage on the Arria10 and
Stratix10 platforms.
Signed-off-by: Dinh Nguyen <dinguyen@...nel.org>
---
drivers/clk/socfpga/clk-gate-a10.c | 2 +-
drivers/clk/socfpga/clk.h | 3 +++
2 files changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/clk/socfpga/clk-gate-a10.c b/drivers/clk/socfpga/clk-gate-a10.c
index c2d5727..36376c5 100644
--- a/drivers/clk/socfpga/clk-gate-a10.c
+++ b/drivers/clk/socfpga/clk-gate-a10.c
@@ -86,7 +86,7 @@ static int socfpga_clk_prepare(struct clk_hw *hwclk)
}
}
- hs_timing = SYSMGR_SDMMC_CTRL_SET(clk_phase[0], clk_phase[1]);
+ hs_timing = SYSMGR_SDMMC_CTRL_SET_AS10(clk_phase[0], clk_phase[1]);
if (!IS_ERR(socfpgaclk->sys_mgr_base_addr))
regmap_write(socfpgaclk->sys_mgr_base_addr,
SYSMGR_SDMMCGRP_CTRL_OFFSET, hs_timing);
diff --git a/drivers/clk/socfpga/clk.h b/drivers/clk/socfpga/clk.h
index 814c724..9cf1230 100644
--- a/drivers/clk/socfpga/clk.h
+++ b/drivers/clk/socfpga/clk.h
@@ -32,6 +32,9 @@
#define SYSMGR_SDMMC_CTRL_SET(smplsel, drvsel) \
((((smplsel) & 0x7) << 3) | (((drvsel) & 0x7) << 0))
+#define SYSMGR_SDMMC_CTRL_SET_AS10(smplsel, drvsel) \
+ ((((smplsel) & 0x7) << 4) | (((drvsel) & 0x7) << 0))
+
extern void __iomem *clk_mgr_base_addr;
extern void __iomem *clk_mgr_a10_base_addr;
--
2.7.4
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