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Message-Id: <20180509172606.29387-27-david@lechnology.com>
Date: Wed, 9 May 2018 12:26:05 -0500
From: David Lechner <david@...hnology.com>
To: linux-clk@...r.kernel.org, devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org
Cc: Michael Turquette <mturquette@...libre.com>,
Stephen Boyd <sboyd@...eaurora.org>,
Rob Herring <robh+dt@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Sekhar Nori <nsekhar@...com>,
Kevin Hilman <khilman@...nel.org>,
Bartosz Golaszewski <bgolaszewski@...libre.com>,
Adam Ford <aford173@...il.com>, linux-kernel@...r.kernel.org,
David Lechner <david@...hnology.com>
Subject: [PATCH v10 26/27] ARM: davinci: da8xx-dt: switch to device tree clocks
This removes all of the clock init code from da8xx-dt.c. This includes
all of the OF_DEV_AUXDATA that was just used for looking up clocks.
Signed-off-by: David Lechner <david@...hnology.com>
---
v10 changes:
- removed unused header files
- removed arch/arm/mach-davinci/time.c changes accidentally introduced in v9
v9 changes:
- changes to arch/arm/mach-davinci/time.c accidentally got squashed into this
commit. will drop this later.
v8 changes:
- none
v7 changes:
- rebased
- drop of_platform_default_populate(NULL, NULL, NULL)
- add change in pm_domain.c
v6 changes:
- removed misleading statement from commit message
arch/arm/mach-davinci/da8xx-dt.c | 64 -------------------------------
arch/arm/mach-davinci/pm_domain.c | 5 +++
2 files changed, 5 insertions(+), 64 deletions(-)
diff --git a/arch/arm/mach-davinci/da8xx-dt.c b/arch/arm/mach-davinci/da8xx-dt.c
index 088bc5c0318b..beac80ec4037 100644
--- a/arch/arm/mach-davinci/da8xx-dt.c
+++ b/arch/arm/mach-davinci/da8xx-dt.c
@@ -7,79 +7,16 @@
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
-#include <linux/io.h>
-#include <linux/of_irq.h>
-#include <linux/of_platform.h>
-#include <linux/irqdomain.h>
-#include <linux/platform_data/ti-aemif.h>
#include <asm/mach/arch.h>
#include <mach/common.h>
-#include "cp_intc.h"
#include <mach/da8xx.h>
-static struct of_dev_auxdata da850_aemif_auxdata_lookup[] = {
- OF_DEV_AUXDATA("ti,davinci-nand", 0x62000000, "davinci-nand.0", NULL),
- {}
-};
-
-static struct aemif_platform_data aemif_data = {
- .dev_lookup = da850_aemif_auxdata_lookup,
-};
-
-static struct of_dev_auxdata da850_auxdata_lookup[] __initdata = {
- OF_DEV_AUXDATA("ti,davinci-i2c", 0x01c22000, "i2c_davinci.1", NULL),
- OF_DEV_AUXDATA("ti,davinci-i2c", 0x01e28000, "i2c_davinci.2", NULL),
- OF_DEV_AUXDATA("ti,davinci-wdt", 0x01c21000, "davinci-wdt", NULL),
- OF_DEV_AUXDATA("ti,da830-mmc", 0x01c40000, "da830-mmc.0", NULL),
- OF_DEV_AUXDATA("ti,da850-ehrpwm", 0x01f00000, "ehrpwm.0", NULL),
- OF_DEV_AUXDATA("ti,da850-ehrpwm", 0x01f02000, "ehrpwm.1", NULL),
- OF_DEV_AUXDATA("ti,da850-ecap", 0x01f06000, "ecap.0", NULL),
- OF_DEV_AUXDATA("ti,da850-ecap", 0x01f07000, "ecap.1", NULL),
- OF_DEV_AUXDATA("ti,da850-ecap", 0x01f08000, "ecap.2", NULL),
- OF_DEV_AUXDATA("ti,da830-spi", 0x01c41000, "spi_davinci.0", NULL),
- OF_DEV_AUXDATA("ti,da830-spi", 0x01f0e000, "spi_davinci.1", NULL),
- OF_DEV_AUXDATA("ns16550a", 0x01c42000, "serial8250.0", NULL),
- OF_DEV_AUXDATA("ns16550a", 0x01d0c000, "serial8250.1", NULL),
- OF_DEV_AUXDATA("ns16550a", 0x01d0d000, "serial8250.2", NULL),
- OF_DEV_AUXDATA("ti,davinci_mdio", 0x01e24000, "davinci_mdio.0", NULL),
- OF_DEV_AUXDATA("ti,davinci-dm6467-emac", 0x01e20000, "davinci_emac.1",
- NULL),
- OF_DEV_AUXDATA("ti,da830-mcasp-audio", 0x01d00000, "davinci-mcasp.0", NULL),
- OF_DEV_AUXDATA("ti,da850-aemif", 0x68000000, "ti-aemif", &aemif_data),
- OF_DEV_AUXDATA("ti,da850-tilcdc", 0x01e13000, "da8xx_lcdc.0", NULL),
- OF_DEV_AUXDATA("ti,da830-ohci", 0x01e25000, "ohci-da8xx", NULL),
- OF_DEV_AUXDATA("ti,da830-musb", 0x01e00000, "musb-da8xx", NULL),
- OF_DEV_AUXDATA("ti,da830-usb-phy", 0x01c1417c, "da8xx-usb-phy", NULL),
- OF_DEV_AUXDATA("ti,da850-ahci", 0x01e18000, "ahci_da850", NULL),
- OF_DEV_AUXDATA("ti,da850-vpif", 0x01e17000, "vpif", NULL),
- OF_DEV_AUXDATA("ti,da850-dsp", 0x11800000, "davinci-rproc.0", NULL),
- {}
-};
-
#ifdef CONFIG_ARCH_DAVINCI_DA850
static void __init da850_init_machine(void)
{
- /* All existing boards use 100MHz SATA refclkpn */
- static const unsigned long sata_refclkpn = 100 * 1000 * 1000;
-
- int ret;
-
- da850_register_clocks();
-
- ret = da8xx_register_usb_phy_clocks();
- if (ret)
- pr_warn("%s: USB PHY CLK registration failed: %d\n",
- __func__, ret);
-
- ret = da850_register_sata_refclk(sata_refclkpn);
- if (ret)
- pr_warn("%s: registering SATA REFCLK failed: %d",
- __func__, ret);
-
- of_platform_default_populate(NULL, da850_auxdata_lookup, NULL);
davinci_pm_init();
pdata_quirks_init();
}
@@ -94,7 +31,6 @@ static const char *const da850_boards_compat[] __initconst = {
DT_MACHINE_START(DA850_DT, "Generic DA850/OMAP-L138/AM18x")
.map_io = da850_init,
- .init_time = da850_init_time,
.init_machine = da850_init_machine,
.dt_compat = da850_boards_compat,
.init_late = davinci_init_late,
diff --git a/arch/arm/mach-davinci/pm_domain.c b/arch/arm/mach-davinci/pm_domain.c
index 78eac2c0c146..e251fd593bfd 100644
--- a/arch/arm/mach-davinci/pm_domain.c
+++ b/arch/arm/mach-davinci/pm_domain.c
@@ -13,6 +13,7 @@
#include <linux/pm_runtime.h>
#include <linux/pm_clock.h>
#include <linux/platform_device.h>
+#include <linux/of.h>
static struct dev_pm_domain davinci_pm_domain = {
.ops = {
@@ -28,6 +29,10 @@ static struct pm_clk_notifier_block platform_bus_notifier = {
static int __init davinci_pm_runtime_init(void)
{
+ if (of_have_populated_dt())
+ return 0;
+
+ /* Use pm_clk as fallback if we're not using genpd. */
pm_clk_add_notifier(&platform_bus_type, &platform_bus_notifier);
return 0;
--
2.17.0
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