Use pdata-quirks to reset PCIe IP. This is to be used until
a drivers/reset/ interface is available for this purpose.
Signed-off-by: Kishon Vijay Abraham I <kishon@xxxxxx>
Signed-off-by: Sekhar Nori <nsekhar@xxxxxx>
---
arch/arm/mach-omap2/pdata-quirks.c | 11 +++++++++++
include/linux/platform_data/pci-dra7xx.h | 22 ++++++++++++++++++++++
2 files changed, 33 insertions(+)
create mode 100644 include/linux/platform_data/pci-dra7xx.h
diff --git a/arch/arm/mach-omap2/pdata-quirks.c b/arch/arm/mach-omap2/pdata-quirks.c
index 5814477..f5a65fe 100644
--- a/arch/arm/mach-omap2/pdata-quirks.c
+++ b/arch/arm/mach-omap2/pdata-quirks.c
@@ -23,6 +23,7 @@
#include <linux/platform_data/pinctrl-single.h>
#include <linux/platform_data/iommu-omap.h>
#include <linux/platform_data/wkup_m3.h>
+#include <linux/platform_data/pci-dra7xx.h>
#include "common.h"
#include "common-board-devices.h"
@@ -404,6 +405,14 @@ static void __init omap5_uevm_legacy_init(void)
}
#endif
+#ifdef CONFIG_SOC_DRA7XX
+static struct pci_dra7xx_platform_data dra7xx_pci_pdata = {
+ .reset_name = "pcie",
+ .assert_reset = omap_device_assert_hardreset,
+ .deassert_reset = omap_device_deassert_hardreset,
+};
+#endif
+
static struct pcs_pdata pcs_pdata;
void omap_pcs_legacy_init(int irq, void (*rearm)(void))
@@ -474,6 +483,8 @@ static struct of_dev_auxdata omap_auxdata_lookup[] __initdata = {
#endif
#ifdef CONFIG_SOC_DRA7XX
OF_DEV_AUXDATA("ti,dra7-padconf", 0x4a003400, "4a003400.pinmux", &pcs_pdata),
+ OF_DEV_AUXDATA("ti,dra7-pcie", 0x51000000, "51000000.pcie", &dra7xx_pci_pdata),
+ OF_DEV_AUXDATA("ti,dra7-pcie", 0x51800000, "51800000.pcie", &dra7xx_pci_pdata),
#endif
#ifdef CONFIG_SOC_AM43XX
OF_DEV_AUXDATA("ti,am437-padconf", 0x44e10800, "44e10800.pinmux", &pcs_pdata),
diff --git a/include/linux/platform_data/pci-dra7xx.h b/include/linux/platform_data/pci-dra7xx.h
new file mode 100644
index 0000000..792c8ed
--- /dev/null
+++ b/include/linux/platform_data/pci-dra7xx.h
@@ -0,0 +1,22 @@
+/*
+ * pcie-dra7xx - Platform data for PCIe controller
+ *
+ * Copyright (C) 2016 Texas Instruments Incorporated - http://www.ti.com/
+ *
+ * Authors: Kishon Vijay Abraham I <kishon@xxxxxx>
+ *
+ * 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.
+ */
+
+#ifndef __PCI_DRA7XX_H
+#define __PCI_DRA7XX_H
+
+struct pci_dra7xx_platform_data {
+ const char *reset_name;
+
+ int (*assert_reset)(struct platform_device *pdev, const char *name);
+ int (*deassert_reset)(struct platform_device *pdev, const char *name);
+};
+#endif /* __PCI_DRA7XX_H */
--
1.7.9.5
--
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