linux-kernel - [PATCH 2/3] mmc: sdhci-pci-o2micro: Add eMMC HS200 support

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Message-ID: <CY4PR04MB047374AC40568EF03031F49CED3C0@CY4PR04MB0473.namprd04.prod.outlook.com>
Date:   Mon, 4 Dec 2017 10:10:10 +0000
From:   LinuxPatchCommit <LinuxPatchCommit@...hubtech.com>
To:     "adrian.hunter@...el.com" <adrian.hunter@...el.com>,
        "ulf.hansson@...aro.org" <ulf.hansson@...aro.org>,
        "linux-mmc@...r.kernel.org" <linux-mmc@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
CC:     LinuxPatchCommit <LinuxPatchCommit@...hubtech.com>,
        "Shirley Her (SC)" <shirley.her@...hubtech.com>
Subject: [PATCH 2/3] mmc: sdhci-pci-o2micro: Add eMMC HS200 support

Dear all,

Add register definition for eMMC HS200 mode.
Add hardware tuning for eMMC HS200 mode.

Signed-off-by: ernest.zhang <ernest.zhang@...hubtech.com>
---
 drivers/mmc/host/sdhci-pci-o2micro.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/mmc/host/sdhci-pci-o2micro.h b/drivers/mmc/host/sdhci-pci-o2micro.h
index 770f53857211..3fb957729315 100644
--- a/drivers/mmc/host/sdhci-pci-o2micro.h
+++ b/drivers/mmc/host/sdhci-pci-o2micro.h
@@ -49,6 +49,7 @@
 #define O2_SD_MISC_CTRL4	0xFC
 #define O2_SD_TUNING_CTRL	0x300
 #define O2_SD_PLL_SETTING	0x304
+#define O2_SD_MISC_SETTING	0x308
 #define O2_SD_CLK_SETTING	0x328
 #define O2_SD_CAP_REG2		0x330
 #define O2_SD_CAP_REG0		0x334
@@ -62,6 +63,8 @@
 #define O2_SD_FREG4_ENABLE_CLK_SET	BIT(22)
 
 #define O2_SD_VENDOR_SETTING	0x110
+#define O2_SD_HW_TUNING_ENABLE BIT(4)
+
 #define O2_SD_VENDOR_SETTING2	0x1C8
 
 extern int sdhci_pci_o2_probe_slot(struct sdhci_pci_slot *slot);
-- 
2.14.1