Release 4.14 drivers/mmc/host/sdhci-dove.c
/*
* sdhci-dove.c Support for SDHCI on Marvell's Dove SoC
*
* Author: Saeed Bishara <saeed@marvell.com>
* Mike Rapoport <mike@compulab.co.il>
* Based on sdhci-cns3xxx.c
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/clk.h>
#include <linux/err.h>
#include <linux/io.h>
#include <linux/mmc/host.h>
#include <linux/module.h>
#include <linux/of.h>
#include "sdhci-pltfm.h"
static u16 sdhci_dove_readw(struct sdhci_host *host, int reg)
{
u16 ret;
switch (reg) {
case SDHCI_HOST_VERSION:
case SDHCI_SLOT_INT_STATUS:
/* those registers don't exist */
return 0;
default:
ret = readw(host->ioaddr + reg);
}
return ret;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Mike Rapoport | 48 | 100.00% | 1 | 100.00% |
| Total | 48 | 100.00% | 1 | 100.00% |
static u32 sdhci_dove_readl(struct sdhci_host *host, int reg)
{
u32 ret;
ret = readl(host->ioaddr + reg);
switch (reg) {
case SDHCI_CAPABILITIES:
/* Mask the support for 3.0V */
ret &= ~SDHCI_CAN_VDD_300;
break;
}
return ret;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Mike Rapoport | 38 | 80.85% | 1 | 50.00% |
| Russell King | 9 | 19.15% | 1 | 50.00% |
| Total | 47 | 100.00% | 2 | 100.00% |
static const struct sdhci_ops sdhci_dove_ops = {
.read_w = sdhci_dove_readw,
.read_l = sdhci_dove_readl,
.set_clock = sdhci_set_clock,
.set_bus_width = sdhci_set_bus_width,
.reset = sdhci_reset,
.set_uhs_signaling = sdhci_set_uhs_signaling,
};
static const struct sdhci_pltfm_data sdhci_dove_pdata = {
.ops = &sdhci_dove_ops,
.quirks = SDHCI_QUIRK_NO_SIMULT_VDD_AND_POWER |
SDHCI_QUIRK_NO_BUSY_IRQ |
SDHCI_QUIRK_BROKEN_TIMEOUT_VAL |
SDHCI_QUIRK_FORCE_DMA |
SDHCI_QUIRK_NO_HISPD_BIT,
};
static int sdhci_dove_probe(struct platform_device *pdev)
{
struct sdhci_host *host;
struct sdhci_pltfm_host *pltfm_host;
int ret;
host = sdhci_pltfm_init(pdev, &sdhci_dove_pdata, 0);
if (IS_ERR(host))
return PTR_ERR(host);
pltfm_host = sdhci_priv(host);
pltfm_host->clk = devm_clk_get(&pdev->dev, NULL);
if (!IS_ERR(pltfm_host->clk))
clk_prepare_enable(pltfm_host->clk);
ret = mmc_of_parse(host->mmc);
if (ret)
goto err_sdhci_add;
ret = sdhci_add_host(host);
if (ret)
goto err_sdhci_add;
return 0;
err_sdhci_add:
clk_disable_unprepare(pltfm_host->clk);
sdhci_pltfm_free(pdev);
return ret;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Russell King | 69 | 50.36% | 3 | 37.50% |
| Sebastian Hesselbarth | 41 | 29.93% | 2 | 25.00% |
| Kevin Hao | 13 | 9.49% | 1 | 12.50% |
| Shawn Guo | 12 | 8.76% | 1 | 12.50% |
| Christian Daudt | 2 | 1.46% | 1 | 12.50% |
| Total | 137 | 100.00% | 8 | 100.00% |
static const struct of_device_id sdhci_dove_of_match_table[] = {
{ .compatible = "marvell,dove-sdhci", },
{}
};
MODULE_DEVICE_TABLE(of, sdhci_dove_of_match_table);
static struct platform_driver sdhci_dove_driver = {
.driver = {
.name = "sdhci-dove",
.pm = &sdhci_pltfm_pmops,
.of_match_table = sdhci_dove_of_match_table,
},
.probe = sdhci_dove_probe,
.remove = sdhci_pltfm_unregister,
};
module_platform_driver(sdhci_dove_driver);
MODULE_DESCRIPTION("SDHCI driver for Dove");
MODULE_AUTHOR("Saeed Bishara <saeed@marvell.com>, "
"Mike Rapoport <mike@compulab.co.il>");
MODULE_LICENSE("GPL v2");
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Mike Rapoport | 132 | 32.75% | 1 | 4.55% |
| Russell King | 107 | 26.55% | 7 | 31.82% |
| Sebastian Hesselbarth | 77 | 19.11% | 4 | 18.18% |
| Shawn Guo | 60 | 14.89% | 1 | 4.55% |
| Kevin Hao | 14 | 3.47% | 2 | 9.09% |
| Alf Høgemark | 3 | 0.74% | 1 | 4.55% |
| Manuel Lauss | 3 | 0.74% | 1 | 4.55% |
| Christian Daudt | 2 | 0.50% | 1 | 4.55% |
| Lars-Peter Clausen | 2 | 0.50% | 2 | 9.09% |
| Ulf Hansson | 2 | 0.50% | 1 | 4.55% |
| Axel Lin | 1 | 0.25% | 1 | 4.55% |
| Bill Pemberton | | 0.00% | 0 | 0.00% |
| Total | 403 | 100.00% | 22 | 100.00% |
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