Miscellaneous DaVinci SoC support improvements for v4.17

* rationalization of con_id names for phy clocks to make DT conversion easy
 
 * A patch to move away from syscon as platform device. This is needed for
   common clock framework conversion as well as helps get rid of
   syscon_regmap_lookup_by_pdevname() by removing the last known user.
 
 * convert mach-davinci to use reset support available in watchdog driver
 
 * a non-critical warning fix. It has been around since beginning so not sending
   as a standalone fix for -rc cycle.
 
 * moving mach-davinci clock init to .init_time() for legacy boot. This is
   again in preparation for CCF conversion.
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Merge tag 'davinci-for-v4.17/soc' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci into next/soc

Pull "Miscellaneous DaVinci SoC support improvements for v4.17" from Sekhar Nori:

* rationalization of con_id names for phy clocks to make DT conversion easy

* A patch to move away from syscon as platform device. This is needed for
  common clock framework conversion as well as helps get rid of
  syscon_regmap_lookup_by_pdevname() by removing the last known user.

* convert mach-davinci to use reset support available in watchdog driver

* a non-critical warning fix. It has been around since beginning so not sending
  as a standalone fix for -rc cycle.

* moving mach-davinci clock init to .init_time() for legacy boot. This is
  again in preparation for CCF conversion.

* tag 'davinci-for-v4.17/soc' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci:
  ARM: davinci: move davinci_clk_init() to init_time
  ARM: davinci: board-da830-evm: fix unused const variable warning
  ARM: davinci: remove watchdog reset
  ARM: da8xx: use platform data for CFGCHIP syscon regmap
  phy: da8xx-usb: rename clock con_ids

arch/arm/mach-davinci/board-da830-evm.c

@@ -239,20 +239,6 @@ static inline void da830_evm_init_mmc(void)
 	}
 }
 
-/*
- * UI board NAND/NOR flashes only use 8-bit data bus.
- */
-static const short da830_evm_emif25_pins[] = {
-	DA830_EMA_D_0, DA830_EMA_D_1, DA830_EMA_D_2, DA830_EMA_D_3,
-	DA830_EMA_D_4, DA830_EMA_D_5, DA830_EMA_D_6, DA830_EMA_D_7,
-	DA830_EMA_A_0, DA830_EMA_A_1, DA830_EMA_A_2, DA830_EMA_A_3,
-	DA830_EMA_A_4, DA830_EMA_A_5, DA830_EMA_A_6, DA830_EMA_A_7,
-	DA830_EMA_A_8, DA830_EMA_A_9, DA830_EMA_A_10, DA830_EMA_A_11,
-	DA830_EMA_A_12, DA830_EMA_BA_0, DA830_EMA_BA_1, DA830_NEMA_WE,
-	DA830_NEMA_CS_2, DA830_NEMA_CS_3, DA830_NEMA_OE, DA830_EMA_WAIT_0,
-	-1
-};
-
 #define HAS_MMC		IS_ENABLED(CONFIG_MMC_DAVINCI)
 
 #ifdef CONFIG_DA830_UI_NAND
@@ -357,6 +343,20 @@ static struct platform_device da830_evm_nand_device = {
 	.resource	= da830_evm_nand_resources,
 };
 
+/*
+ * UI board NAND/NOR flashes only use 8-bit data bus.
+ */
+static const short da830_evm_emif25_pins[] = {
+	DA830_EMA_D_0, DA830_EMA_D_1, DA830_EMA_D_2, DA830_EMA_D_3,
+	DA830_EMA_D_4, DA830_EMA_D_5, DA830_EMA_D_6, DA830_EMA_D_7,
+	DA830_EMA_A_0, DA830_EMA_A_1, DA830_EMA_A_2, DA830_EMA_A_3,
+	DA830_EMA_A_4, DA830_EMA_A_5, DA830_EMA_A_6, DA830_EMA_A_7,
+	DA830_EMA_A_8, DA830_EMA_A_9, DA830_EMA_A_10, DA830_EMA_A_11,
+	DA830_EMA_A_12, DA830_EMA_BA_0, DA830_EMA_BA_1, DA830_NEMA_WE,
+	DA830_NEMA_CS_2, DA830_NEMA_CS_3, DA830_NEMA_OE, DA830_EMA_WAIT_0,
+	-1
+};
+
 static inline void da830_evm_init_nand(int mux_mode)
 {
 	int ret;
@@ -551,10 +551,6 @@ static __init void da830_evm_init(void)
 	struct davinci_soc_info *soc_info = &davinci_soc_info;
 	int ret;
 
-	ret = da8xx_register_cfgchip();
-	if (ret)
-		pr_warn("%s: CFGCHIP registration failed: %d\n", __func__, ret);
-
 	ret = da830_register_gpio();
 	if (ret)
 		pr_warn("%s: GPIO init failed: %d\n", __func__, ret);
@@ -638,9 +634,8 @@ MACHINE_START(DAVINCI_DA830_EVM, "DaVinci DA830/OMAP-L137/AM17x EVM")
 	.atag_offset	= 0x100,
 	.map_io		= da830_evm_map_io,
 	.init_irq	= cp_intc_init,
-	.init_time	= davinci_timer_init,
+	.init_time	= da830_init_time,
 	.init_machine	= da830_evm_init,
 	.init_late	= davinci_init_late,
 	.dma_zone_size	= SZ_128M,
-	.restart	= da8xx_restart,
 MACHINE_END

arch/arm/mach-davinci/board-da850-evm.c

@@ -1334,10 +1334,6 @@ static __init void da850_evm_init(void)
 {
 	int ret;
 
-	ret = da8xx_register_cfgchip();
-	if (ret)
-		pr_warn("%s: CFGCHIP registration failed: %d\n", __func__, ret);
-
 	ret = da850_register_gpio();
 	if (ret)
 		pr_warn("%s: GPIO init failed: %d\n", __func__, ret);
@@ -1481,10 +1477,9 @@ MACHINE_START(DAVINCI_DA850_EVM, "DaVinci DA850/OMAP-L138/AM18x EVM")
 	.atag_offset	= 0x100,
 	.map_io		= da850_evm_map_io,
 	.init_irq	= cp_intc_init,
-	.init_time	= davinci_timer_init,
+	.init_time	= da850_init_time,
 	.init_machine	= da850_evm_init,
 	.init_late	= davinci_init_late,
 	.dma_zone_size	= SZ_128M,
-	.restart	= da8xx_restart,
 	.reserve	= da8xx_rproc_reserve_cma,
 MACHINE_END

arch/arm/mach-davinci/board-dm355-evm.c

@@ -427,9 +427,8 @@ MACHINE_START(DAVINCI_DM355_EVM, "DaVinci DM355 EVM")
 	.atag_offset  = 0x100,
 	.map_io	      = dm355_evm_map_io,
 	.init_irq     = davinci_irq_init,
-	.init_time	= davinci_timer_init,
+	.init_time	= dm355_init_time,
 	.init_machine = dm355_evm_init,
 	.init_late	= davinci_init_late,
 	.dma_zone_size	= SZ_128M,
-	.restart	= davinci_restart,
 MACHINE_END

arch/arm/mach-davinci/board-dm355-leopard.c

@@ -271,9 +271,8 @@ MACHINE_START(DM355_LEOPARD, "DaVinci DM355 leopard")
 	.atag_offset  = 0x100,
 	.map_io	      = dm355_leopard_map_io,
 	.init_irq     = davinci_irq_init,
-	.init_time	= davinci_timer_init,
+	.init_time	= dm355_init_time,
 	.init_machine = dm355_leopard_init,
 	.init_late	= davinci_init_late,
 	.dma_zone_size	= SZ_128M,
-	.restart	= davinci_restart,
 MACHINE_END

arch/arm/mach-davinci/board-dm365-evm.c

@@ -774,10 +774,9 @@ MACHINE_START(DAVINCI_DM365_EVM, "DaVinci DM365 EVM")
 	.atag_offset	= 0x100,
 	.map_io		= dm365_evm_map_io,
 	.init_irq	= davinci_irq_init,
-	.init_time	= davinci_timer_init,
+	.init_time	= dm365_init_time,
 	.init_machine	= dm365_evm_init,
 	.init_late	= davinci_init_late,
 	.dma_zone_size	= SZ_128M,
-	.restart	= davinci_restart,
 MACHINE_END
 

arch/arm/mach-davinci/board-dm644x-evm.c

@@ -828,9 +828,8 @@ MACHINE_START(DAVINCI_EVM, "DaVinci DM644x EVM")
 	.atag_offset  = 0x100,
 	.map_io	      = davinci_evm_map_io,
 	.init_irq     = davinci_irq_init,
-	.init_time	= davinci_timer_init,
+	.init_time	= dm644x_init_time,
 	.init_machine = davinci_evm_init,
 	.init_late	= davinci_init_late,
 	.dma_zone_size	= SZ_128M,
-	.restart	= davinci_restart,
 MACHINE_END

arch/arm/mach-davinci/board-dm646x-evm.c

@@ -44,10 +44,8 @@
 #include <mach/common.h>
 #include <mach/irqs.h>
 #include <mach/serial.h>
-#include <mach/clock.h>
 
 #include "davinci.h"
-#include "clock.h"
 
 #define NAND_BLOCK_SIZE		SZ_128K
 
@@ -716,14 +714,23 @@ static void __init evm_init_i2c(void)
 }
 #endif
 
+#define DM646X_REF_FREQ			27000000
+#define DM646X_AUX_FREQ			24000000
 #define DM6467T_EVM_REF_FREQ		33000000
 
 static void __init davinci_map_io(void)
 {
 	dm646x_init();
+}
 
-	if (machine_is_davinci_dm6467tevm())
+static void __init dm646x_evm_init_time(void)
-		davinci_set_refclk_rate(DM6467T_EVM_REF_FREQ);
+{
+	dm646x_init_time(DM646X_REF_FREQ, DM646X_AUX_FREQ);
+}
+
+static void __init dm6467t_evm_init_time(void)
+{
+	dm646x_init_time(DM6467T_EVM_REF_FREQ, DM646X_AUX_FREQ);
 }
 
 #define DM646X_EVM_PHY_ID		"davinci_mdio-0:01"
@@ -797,21 +804,19 @@ MACHINE_START(DAVINCI_DM6467_EVM, "DaVinci DM646x EVM")
 	.atag_offset  = 0x100,
 	.map_io       = davinci_map_io,
 	.init_irq     = davinci_irq_init,
-	.init_time	= davinci_timer_init,
+	.init_time	= dm646x_evm_init_time,
 	.init_machine = evm_init,
 	.init_late	= davinci_init_late,
 	.dma_zone_size	= SZ_128M,
-	.restart	= davinci_restart,
 MACHINE_END
 
 MACHINE_START(DAVINCI_DM6467TEVM, "DaVinci DM6467T EVM")
 	.atag_offset  = 0x100,
 	.map_io       = davinci_map_io,
 	.init_irq     = davinci_irq_init,
-	.init_time	= davinci_timer_init,
+	.init_time	= dm6467t_evm_init_time,
 	.init_machine = evm_init,
 	.init_late	= davinci_init_late,
 	.dma_zone_size	= SZ_128M,
-	.restart	= davinci_restart,
 MACHINE_END
 

arch/arm/mach-davinci/board-mityomapl138.c

@@ -502,10 +502,6 @@ static void __init mityomapl138_init(void)
 {
 	int ret;
 
-	ret = da8xx_register_cfgchip();
-	if (ret)
-		pr_warn("%s: CFGCHIP registration failed: %d\n", __func__, ret);
-
 	/* for now, no special EDMA channels are reserved */
 	ret = da850_register_edma(NULL);
 	if (ret)
@@ -570,9 +566,8 @@ MACHINE_START(MITYOMAPL138, "MityDSP-L138/MityARM-1808")
 	.atag_offset	= 0x100,
 	.map_io		= mityomapl138_map_io,
 	.init_irq	= cp_intc_init,
-	.init_time	= davinci_timer_init,
+	.init_time	= da850_init_time,
 	.init_machine	= mityomapl138_init,
 	.init_late	= davinci_init_late,
 	.dma_zone_size	= SZ_128M,
-	.restart	= da8xx_restart,
 MACHINE_END

arch/arm/mach-davinci/board-neuros-osd2.c

@@ -227,9 +227,8 @@ MACHINE_START(NEUROS_OSD2, "Neuros OSD2")
 	.atag_offset	= 0x100,
 	.map_io		 = davinci_ntosd2_map_io,
 	.init_irq	= davinci_irq_init,
-	.init_time	= davinci_timer_init,
+	.init_time	= dm644x_init_time,
 	.init_machine = davinci_ntosd2_init,
 	.init_late	= davinci_init_late,
 	.dma_zone_size	= SZ_128M,
-	.restart	= davinci_restart,
 MACHINE_END

arch/arm/mach-davinci/board-omapl138-hawk.c

@@ -281,10 +281,6 @@ static __init void omapl138_hawk_init(void)
 {
 	int ret;
 
-	ret = da8xx_register_cfgchip();
-	if (ret)
-		pr_warn("%s: CFGCHIP registration failed: %d\n", __func__, ret);
-
 	ret = da850_register_gpio();
 	if (ret)
 		pr_warn("%s: GPIO init failed: %d\n", __func__, ret);
@@ -334,10 +330,9 @@ MACHINE_START(OMAPL138_HAWKBOARD, "AM18x/OMAP-L138 Hawkboard")
 	.atag_offset	= 0x100,
 	.map_io		= omapl138_hawk_map_io,
 	.init_irq	= cp_intc_init,
-	.init_time	= davinci_timer_init,
+	.init_time	= da850_init_time,
 	.init_machine	= omapl138_hawk_init,
 	.init_late	= davinci_init_late,
 	.dma_zone_size	= SZ_128M,
-	.restart	= da8xx_restart,
 	.reserve	= da8xx_rproc_reserve_cma,
 MACHINE_END

arch/arm/mach-davinci/board-sffsdr.c

@@ -150,9 +150,8 @@ MACHINE_START(SFFSDR, "Lyrtech SFFSDR")
 	.atag_offset  = 0x100,
 	.map_io	      = davinci_sffsdr_map_io,
 	.init_irq     = davinci_irq_init,
-	.init_time	= davinci_timer_init,
+	.init_time	= dm644x_init_time,
 	.init_machine = davinci_sffsdr_init,
 	.init_late	= davinci_init_late,
 	.dma_zone_size	= SZ_128M,
-	.restart	= davinci_restart,
 MACHINE_END

arch/arm/mach-davinci/clock.h

@@ -135,9 +135,6 @@ int davinci_clk_reset(struct clk *clk, bool reset);
 void davinci_clk_enable(struct clk *clk);
 void davinci_clk_disable(struct clk *clk);
 
-extern struct platform_device davinci_wdt_device;
-extern void davinci_watchdog_reset(struct platform_device *);
-
 #endif
 
 #endif

arch/arm/mach-davinci/da830.c

@@ -1200,7 +1200,6 @@ static const struct davinci_soc_info davinci_soc_info_da830 = {
 	.jtag_id_reg		= DA8XX_SYSCFG0_BASE + DA8XX_JTAG_ID_REG,
 	.ids			= da830_ids,
 	.ids_num		= ARRAY_SIZE(da830_ids),
-	.cpu_clks		= da830_clks,
 	.psc_bases		= da830_psc_bases,
 	.psc_bases_num		= ARRAY_SIZE(da830_psc_bases),
 	.pinmux_base		= DA8XX_SYSCFG0_BASE + 0x120,
@@ -1220,6 +1219,10 @@ void __init da830_init(void)
 
 	da8xx_syscfg0_base = ioremap(DA8XX_SYSCFG0_BASE, SZ_4K);
 	WARN(!da8xx_syscfg0_base, "Unable to map syscfg0 module");
-
+}
-	davinci_clk_init(davinci_soc_info_da830.cpu_clks);
+
+void __init da830_init_time(void)
+{
+	davinci_clk_init(da830_clks);
+	davinci_timer_init();
 }

arch/arm/mach-davinci/da850.c

@@ -1353,7 +1353,6 @@ static const struct davinci_soc_info davinci_soc_info_da850 = {
 	.jtag_id_reg		= DA8XX_SYSCFG0_BASE + DA8XX_JTAG_ID_REG,
 	.ids			= da850_ids,
 	.ids_num		= ARRAY_SIZE(da850_ids),
-	.cpu_clks		= da850_clks,
 	.psc_bases		= da850_psc_bases,
 	.psc_bases_num		= ARRAY_SIZE(da850_psc_bases),
 	.pinmux_base		= DA8XX_SYSCFG0_BASE + 0x120,
@@ -1392,6 +1391,10 @@ void __init da850_init(void)
 	v = __raw_readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG));
 	v &= ~CFGCHIP3_PLL1_MASTER_LOCK;
 	__raw_writel(v, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG));
-
+}
-	davinci_clk_init(davinci_soc_info_da850.cpu_clks);
+
+void __init da850_init_time(void)
+{
+	davinci_clk_init(da850_clks);
+	davinci_timer_init();
 }

arch/arm/mach-davinci/da8xx-dt.c

@@ -96,11 +96,10 @@ static const char *const da850_boards_compat[] __initconst = {
 
 DT_MACHINE_START(DA850_DT, "Generic DA850/OMAP-L138/AM18x")
 	.map_io		= da850_init,
-	.init_time	= davinci_timer_init,
+	.init_time	= da850_init_time,
 	.init_machine	= da850_init_machine,
 	.dt_compat	= da850_boards_compat,
 	.init_late	= davinci_init_late,
-	.restart	= da8xx_restart,
 MACHINE_END
 
 #endif

arch/arm/mach-davinci/davinci.h

@@ -83,6 +83,7 @@ int davinci_init_wdt(void);
 
 /* DM355 function declarations */
 void dm355_init(void);
+void dm355_init_time(void);
 void dm355_init_spi0(unsigned chipselect_mask,
 		const struct spi_board_info *info, unsigned len);
 void dm355_init_asp1(u32 evt_enable);
@@ -91,6 +92,7 @@ int dm355_gpio_register(void);
 
 /* DM365 function declarations */
 void dm365_init(void);
+void dm365_init_time(void);
 void dm365_init_asp(void);
 void dm365_init_vc(void);
 void dm365_init_ks(struct davinci_ks_platform_data *pdata);
@@ -102,12 +104,14 @@ int dm365_gpio_register(void);
 
 /* DM644x function declarations */
 void dm644x_init(void);
+void dm644x_init_time(void);
 void dm644x_init_asp(void);
 int dm644x_init_video(struct vpfe_config *, struct vpbe_config *);
 int dm644x_gpio_register(void);
 
 /* DM646x function declarations */
 void dm646x_init(void);
+void dm646x_init_time(unsigned long ref_clk_rate, unsigned long aux_clkin_rate);
 void dm646x_init_mcasp0(struct snd_platform_data *pdata);
 void dm646x_init_mcasp1(struct snd_platform_data *pdata);
 int dm646x_init_edma(struct edma_rsv_info *rsv);

arch/arm/mach-davinci/devices-da8xx.c

@@ -11,7 +11,6 @@
  * (at your option) any later version.
  */
 #include <linux/init.h>
-#include <linux/platform_data/syscon.h>
 #include <linux/platform_device.h>
 #include <linux/dma-contiguous.h>
 #include <linux/serial_8250.h>
@@ -371,19 +370,6 @@ static struct platform_device da8xx_wdt_device = {
 	.resource	= da8xx_watchdog_resources,
 };
 
-void da8xx_restart(enum reboot_mode mode, const char *cmd)
-{
-	struct device *dev;
-
-	dev = bus_find_device_by_name(&platform_bus_type, NULL, "davinci-wdt");
-	if (!dev) {
-		pr_err("%s: failed to find watchdog device\n", __func__);
-		return;
-	}
-
-	davinci_watchdog_reset(to_platform_device(dev));
-}
-
 int __init da8xx_register_watchdog(void)
 {
 	return platform_device_register(&da8xx_wdt_device);
@@ -1118,29 +1104,33 @@ int __init da850_register_sata(unsigned long refclkpn)
 }
 #endif
 
-static struct syscon_platform_data da8xx_cfgchip_platform_data = {
+static struct regmap *da8xx_cfgchip;
-	.label	= "cfgchip",
+
+/* regmap doesn't make a copy of this, so we need to keep the pointer around */
+static const char da8xx_cfgchip_name[] = "cfgchip";
+
+static const struct regmap_config da8xx_cfgchip_config __initconst = {
+	.name		= da8xx_cfgchip_name,
+	.reg_bits	= 32,
+	.val_bits	= 32,
+	.reg_stride	= 4,
+	.max_register	= DA8XX_CFGCHIP4_REG - DA8XX_CFGCHIP0_REG,
 };
 
-static struct resource da8xx_cfgchip_resources[] = {
+/**
-	{
+ * da8xx_get_cfgchip - Lazy gets CFGCHIP as regmap
-		.start	= DA8XX_SYSCFG0_BASE + DA8XX_CFGCHIP0_REG,
+ *
-		.end	= DA8XX_SYSCFG0_BASE + DA8XX_CFGCHIP4_REG + 3,
+ * This is for use on non-DT boards only. For DT boards, use
-		.flags	= IORESOURCE_MEM,
+ * syscon_regmap_lookup_by_compatible("ti,da830-cfgchip")
-	},
+ *
-};
+ * Returns: Pointer to the CFGCHIP regmap or negative error code.
-
+ */
-static struct platform_device da8xx_cfgchip_device = {
+struct regmap * __init da8xx_get_cfgchip(void)
-	.name	= "syscon",
-	.id	= -1,
-	.dev	= {
-		.platform_data	= &da8xx_cfgchip_platform_data,
-	},
-	.num_resources	= ARRAY_SIZE(da8xx_cfgchip_resources),
-	.resource	= da8xx_cfgchip_resources,
-};
-
-int __init da8xx_register_cfgchip(void)
 {
-	return platform_device_register(&da8xx_cfgchip_device);
+	if (IS_ERR_OR_NULL(da8xx_cfgchip))
+		da8xx_cfgchip = regmap_init_mmio(NULL,
+					DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP0_REG),
+					&da8xx_cfgchip_config);
+
+	return da8xx_cfgchip;
 }

arch/arm/mach-davinci/devices.c

@@ -282,18 +282,13 @@ static struct resource wdt_resources[] = {
 	},
 };
 
-struct platform_device davinci_wdt_device = {
+static struct platform_device davinci_wdt_device = {
 	.name		= "davinci-wdt",
 	.id		= -1,
 	.num_resources	= ARRAY_SIZE(wdt_resources),
 	.resource	= wdt_resources,
 };
 
-void davinci_restart(enum reboot_mode mode, const char *cmd)
-{
-	davinci_watchdog_reset(&davinci_wdt_device);
-}
-
 int davinci_init_wdt(void)
 {
 	return platform_device_register(&davinci_wdt_device);

arch/arm/mach-davinci/dm355.c

@@ -1012,7 +1012,6 @@ static const struct davinci_soc_info davinci_soc_info_dm355 = {
 	.jtag_id_reg		= 0x01c40028,
 	.ids			= dm355_ids,
 	.ids_num		= ARRAY_SIZE(dm355_ids),
-	.cpu_clks		= dm355_clks,
 	.psc_bases		= dm355_psc_bases,
 	.psc_bases_num		= ARRAY_SIZE(dm355_psc_bases),
 	.pinmux_base		= DAVINCI_SYSTEM_MODULE_BASE,
@@ -1043,7 +1042,12 @@ void __init dm355_init(void)
 {
 	davinci_common_init(&davinci_soc_info_dm355);
 	davinci_map_sysmod();
-	davinci_clk_init(davinci_soc_info_dm355.cpu_clks);
+}
+
+void __init dm355_init_time(void)
+{
+	davinci_clk_init(dm355_clks);
+	davinci_timer_init();
 }
 
 int __init dm355_init_video(struct vpfe_config *vpfe_cfg,

arch/arm/mach-davinci/dm365.c

@@ -1116,7 +1116,6 @@ static const struct davinci_soc_info davinci_soc_info_dm365 = {
 	.jtag_id_reg		= 0x01c40028,
 	.ids			= dm365_ids,
 	.ids_num		= ARRAY_SIZE(dm365_ids),
-	.cpu_clks		= dm365_clks,
 	.psc_bases		= dm365_psc_bases,
 	.psc_bases_num		= ARRAY_SIZE(dm365_psc_bases),
 	.pinmux_base		= DAVINCI_SYSTEM_MODULE_BASE,
@@ -1168,7 +1167,12 @@ void __init dm365_init(void)
 {
 	davinci_common_init(&davinci_soc_info_dm365);
 	davinci_map_sysmod();
-	davinci_clk_init(davinci_soc_info_dm365.cpu_clks);
+}
+
+void __init dm365_init_time(void)
+{
+	davinci_clk_init(dm365_clks);
+	davinci_timer_init();
 }
 
 static struct resource dm365_vpss_resources[] = {

arch/arm/mach-davinci/dm644x.c

@@ -905,7 +905,6 @@ static const struct davinci_soc_info davinci_soc_info_dm644x = {
 	.jtag_id_reg		= 0x01c40028,
 	.ids			= dm644x_ids,
 	.ids_num		= ARRAY_SIZE(dm644x_ids),
-	.cpu_clks		= dm644x_clks,
 	.psc_bases		= dm644x_psc_bases,
 	.psc_bases_num		= ARRAY_SIZE(dm644x_psc_bases),
 	.pinmux_base		= DAVINCI_SYSTEM_MODULE_BASE,
@@ -931,7 +930,12 @@ void __init dm644x_init(void)
 {
 	davinci_common_init(&davinci_soc_info_dm644x);
 	davinci_map_sysmod();
-	davinci_clk_init(davinci_soc_info_dm644x.cpu_clks);
+}
+
+void __init dm644x_init_time(void)
+{
+	davinci_clk_init(dm644x_clks);
+	davinci_timer_init();
 }
 
 int __init dm644x_init_video(struct vpfe_config *vpfe_cfg,

arch/arm/mach-davinci/dm646x.c

@@ -39,12 +39,6 @@
 #define VSCLKDIS_MASK		(BIT_MASK(11) | BIT_MASK(10) | BIT_MASK(9) |\
 					BIT_MASK(8))
 
-/*
- * Device specific clocks
- */
-#define DM646X_REF_FREQ		27000000
-#define DM646X_AUX_FREQ		24000000
-
 #define DM646X_EMAC_BASE		0x01c80000
 #define DM646X_EMAC_MDIO_BASE		(DM646X_EMAC_BASE + 0x4000)
 #define DM646X_EMAC_CNTRL_OFFSET	0x0000
@@ -64,13 +58,12 @@ static struct pll_data pll2_data = {
 
 static struct clk ref_clk = {
 	.name = "ref_clk",
-	.rate = DM646X_REF_FREQ,
+	/* rate is initialized in dm646x_init_time() */
-	.set_rate = davinci_simple_set_rate,
 };
 
 static struct clk aux_clkin = {
 	.name = "aux_clkin",
-	.rate = DM646X_AUX_FREQ,
+	/* rate is initialized in dm646x_init_time() */
 };
 
 static struct clk pll1_clk = {
@@ -888,7 +881,6 @@ static const struct davinci_soc_info davinci_soc_info_dm646x = {
 	.jtag_id_reg		= 0x01c40028,
 	.ids			= dm646x_ids,
 	.ids_num		= ARRAY_SIZE(dm646x_ids),
-	.cpu_clks		= dm646x_clks,
 	.psc_bases		= dm646x_psc_bases,
 	.psc_bases_num		= ARRAY_SIZE(dm646x_psc_bases),
 	.pinmux_base		= DAVINCI_SYSTEM_MODULE_BASE,
@@ -956,7 +948,15 @@ void __init dm646x_init(void)
 {
 	davinci_common_init(&davinci_soc_info_dm646x);
 	davinci_map_sysmod();
-	davinci_clk_init(davinci_soc_info_dm646x.cpu_clks);
+}
+
+void __init dm646x_init_time(unsigned long ref_clk_rate,
+			     unsigned long aux_clkin_rate)
+{
+	ref_clk.rate = ref_clk_rate;
+	aux_clkin.rate = aux_clkin_rate;
+	davinci_clk_init(dm646x_clks);
+	davinci_timer_init();
 }
 
 static int __init dm646x_init_devices(void)

arch/arm/mach-davinci/include/mach/common.h

@@ -53,7 +53,6 @@ struct davinci_soc_info {
 	u32				jtag_id_reg;
 	struct davinci_id		*ids;
 	unsigned long			ids_num;
-	struct clk_lookup		*cpu_clks;
 	u32				*psc_bases;
 	unsigned long			psc_bases_num;
 	u32				pinmux_base;
@@ -81,7 +80,6 @@ extern struct davinci_soc_info davinci_soc_info;
 
 extern void davinci_common_init(const struct davinci_soc_info *soc_info);
 extern void davinci_init_ide(void);
-void davinci_restart(enum reboot_mode mode, const char *cmd);
 void davinci_init_late(void);
 
 #ifdef CONFIG_DAVINCI_RESET_CLOCKS

arch/arm/mach-davinci/include/mach/da8xx.h

@@ -18,6 +18,7 @@
 #include <linux/spi/spi.h>
 #include <linux/platform_data/davinci_asp.h>
 #include <linux/reboot.h>
+#include <linux/regmap.h>
 #include <linux/videodev2.h>
 
 #include <mach/serial.h>
@@ -87,7 +88,10 @@ extern unsigned int da850_max_speed;
 #define DA8XX_ARM_RAM_BASE	0xffff0000
 
 void da830_init(void);
+void da830_init_time(void);
+
 void da850_init(void);
+void da850_init_time(void);
 
 int da830_register_edma(struct edma_rsv_info *rsv);
 int da850_register_edma(struct edma_rsv_info *rsv[2]);
@@ -118,12 +122,11 @@ int da850_register_vpif_display
 			(struct vpif_display_config *display_config);
 int da850_register_vpif_capture
 			(struct vpif_capture_config *capture_config);
-void da8xx_restart(enum reboot_mode mode, const char *cmd);
 void da8xx_rproc_reserve_cma(void);
 int da8xx_register_rproc(void);
 int da850_register_gpio(void);
 int da830_register_gpio(void);
-int da8xx_register_cfgchip(void);
+struct regmap *da8xx_get_cfgchip(void);
 
 extern struct platform_device da8xx_serial_device[];
 extern struct emac_platform_data da8xx_emac_pdata;

arch/arm/mach-davinci/time.c

@@ -80,13 +80,6 @@ enum {
 #define TGCR_UNRESET                 0x1
 #define TGCR_RESET_MASK              0x3
 
-#define WDTCR_WDEN_SHIFT             14
-#define WDTCR_WDEN_DISABLE           0x0
-#define WDTCR_WDEN_ENABLE            0x1
-#define WDTCR_WDKEY_SHIFT            16
-#define WDTCR_WDKEY_SEQ0             0xa5c6
-#define WDTCR_WDKEY_SEQ1             0xda7e
-
 struct timer_s {
 	char *name;
 	unsigned int id;
@@ -409,53 +402,3 @@ void __init davinci_timer_init(void)
 	for (i=0; i< ARRAY_SIZE(timers); i++)
 		timer32_config(&timers[i]);
 }
-
-/* reset board using watchdog timer */
-void davinci_watchdog_reset(struct platform_device *pdev)
-{
-	u32 tgcr, wdtcr;
-	void __iomem *base;
-	struct clk *wd_clk;
-
-	base = ioremap(pdev->resource[0].start, SZ_4K);
-	if (WARN_ON(!base))
-		return;
-
-	wd_clk = clk_get(&pdev->dev, NULL);
-	if (WARN_ON(IS_ERR(wd_clk)))
-		return;
-	clk_prepare_enable(wd_clk);
-
-	/* disable, internal clock source */
-	__raw_writel(0, base + TCR);
-
-	/* reset timer, set mode to 64-bit watchdog, and unreset */
-	tgcr = 0;
-	__raw_writel(tgcr, base + TGCR);
-	tgcr = TGCR_TIMMODE_64BIT_WDOG << TGCR_TIMMODE_SHIFT;
-	tgcr |= (TGCR_UNRESET << TGCR_TIM12RS_SHIFT) |
-		(TGCR_UNRESET << TGCR_TIM34RS_SHIFT);
-	__raw_writel(tgcr, base + TGCR);
-
-	/* clear counter and period regs */
-	__raw_writel(0, base + TIM12);
-	__raw_writel(0, base + TIM34);
-	__raw_writel(0, base + PRD12);
-	__raw_writel(0, base + PRD34);
-
-	/* put watchdog in pre-active state */
-	wdtcr = __raw_readl(base + WDTCR);
-	wdtcr = (WDTCR_WDKEY_SEQ0 << WDTCR_WDKEY_SHIFT) |
-		(WDTCR_WDEN_ENABLE << WDTCR_WDEN_SHIFT);
-	__raw_writel(wdtcr, base + WDTCR);
-
-	/* put watchdog in active state */
-	wdtcr = (WDTCR_WDKEY_SEQ1 << WDTCR_WDKEY_SHIFT) |
-		(WDTCR_WDEN_ENABLE << WDTCR_WDEN_SHIFT);
-	__raw_writel(wdtcr, base + WDTCR);
-
-	/* write an invalid value to the WDKEY field to trigger
-	 * a watchdog reset */
-	wdtcr = 0x00004000;
-	__raw_writel(wdtcr, base + WDTCR);
-}

arch/arm/mach-davinci/usb-da8xx.c

@@ -8,6 +8,7 @@
 #include <linux/init.h>
 #include <linux/mfd/da8xx-cfgchip.h>
 #include <linux/phy/phy.h>
+#include <linux/platform_data/phy-da8xx-usb.h>
 #include <linux/platform_data/usb-davinci.h>
 #include <linux/platform_device.h>
 #include <linux/usb/musb.h>
@@ -40,6 +41,11 @@ static struct platform_device da8xx_usb_phy = {
 
 int __init da8xx_register_usb_phy(void)
 {
+	struct da8xx_usb_phy_platform_data pdata;
+
+	pdata.cfgchip = da8xx_get_cfgchip();
+	da8xx_usb_phy.dev.platform_data = &pdata;
+
 	return platform_device_register(&da8xx_usb_phy);
 }
 
@@ -256,14 +262,14 @@ static int usb20_phy_clk_set_parent(struct clk *clk, struct clk *parent)
 }
 
 static struct clk usb20_phy_clk = {
-	.name		= "usb20_phy",
+	.name		= "usb0_clk48",
 	.clk_enable	= usb20_phy_clk_enable,
 	.clk_disable	= usb20_phy_clk_disable,
 	.set_parent	= usb20_phy_clk_set_parent,
 };
 
 static struct clk_lookup usb20_phy_clk_lookup =
-	CLK("da8xx-usb-phy", "usb20_phy", &usb20_phy_clk);
+	CLK("da8xx-usb-phy", "usb0_clk48", &usb20_phy_clk);
 
 /**
  * da8xx_register_usb20_phy_clk - register USB0PHYCLKMUX clock
@@ -320,18 +326,18 @@ static int usb11_phy_clk_set_parent(struct clk *clk, struct clk *parent)
 }
 
 static struct clk usb11_phy_clk = {
-	.name		= "usb11_phy",
+	.name		= "usb1_clk48",
 	.set_parent	= usb11_phy_clk_set_parent,
 };
 
 static struct clk_lookup usb11_phy_clk_lookup =
-	CLK("da8xx-usb-phy", "usb11_phy", &usb11_phy_clk);
+	CLK("da8xx-usb-phy", "usb1_clk48", &usb11_phy_clk);
 
 /**
  * da8xx_register_usb11_phy_clk - register USB1PHYCLKMUX clock
  *
  * @use_usb_refclkin: Selects the parent clock - either "usb_refclkin" if true
- *	or "usb20_phy" if false.
+ *	or "usb0_clk48" if false.
  */
 int __init da8xx_register_usb11_phy_clk(bool use_usb_refclkin)
 {
@@ -341,7 +347,7 @@ int __init da8xx_register_usb11_phy_clk(bool use_usb_refclkin)
 	if (use_usb_refclkin)
 		parent = clk_get(NULL, "usb_refclkin");
 	else
-		parent = clk_get(&da8xx_usb_phy.dev, "usb20_phy");
+		parent = clk_get(&da8xx_usb_phy.dev, "usb0_clk48");
 	if (IS_ERR(parent))
 		return PTR_ERR(parent);
 

drivers/phy/ti/phy-da8xx-usb.c

@@ -20,6 +20,7 @@
 #include <linux/mfd/syscon.h>
 #include <linux/module.h>
 #include <linux/phy/phy.h>
+#include <linux/platform_data/phy-da8xx-usb.h>
 #include <linux/platform_device.h>
 #include <linux/regmap.h>
 
@@ -145,6 +146,7 @@ static struct phy *da8xx_usb_phy_of_xlate(struct device *dev,
 static int da8xx_usb_phy_probe(struct platform_device *pdev)
 {
 	struct device		*dev = &pdev->dev;
+	struct da8xx_usb_phy_platform_data *pdata = dev->platform_data;
 	struct device_node	*node = dev->of_node;
 	struct da8xx_usb_phy	*d_phy;
 
@@ -152,25 +154,25 @@ static int da8xx_usb_phy_probe(struct platform_device *pdev)
 	if (!d_phy)
 		return -ENOMEM;
 
-	if (node)
+	if (pdata)
+		d_phy->regmap = pdata->cfgchip;
+	else
 		d_phy->regmap = syscon_regmap_lookup_by_compatible(
 							"ti,da830-cfgchip");
-	else
-		d_phy->regmap = syscon_regmap_lookup_by_pdevname("syscon");
 	if (IS_ERR(d_phy->regmap)) {
 		dev_err(dev, "Failed to get syscon\n");
 		return PTR_ERR(d_phy->regmap);
 	}
 
-	d_phy->usb11_clk = devm_clk_get(dev, "usb11_phy");
+	d_phy->usb11_clk = devm_clk_get(dev, "usb1_clk48");
 	if (IS_ERR(d_phy->usb11_clk)) {
-		dev_err(dev, "Failed to get usb11_phy clock\n");
+		dev_err(dev, "Failed to get usb1_clk48\n");
 		return PTR_ERR(d_phy->usb11_clk);
 	}
 
-	d_phy->usb20_clk = devm_clk_get(dev, "usb20_phy");
+	d_phy->usb20_clk = devm_clk_get(dev, "usb0_clk48");
 	if (IS_ERR(d_phy->usb20_clk)) {
-		dev_err(dev, "Failed to get usb20_phy clock\n");
+		dev_err(dev, "Failed to get usb0_clk48\n");
 		return PTR_ERR(d_phy->usb20_clk);
 	}
 

include/linux/platform_data/phy-da8xx-usb.h

@@ -0,0 +1,21 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * phy-da8xx-usb - TI DaVinci DA8xx USB PHY driver
+ *
+ * Copyright (C) 2018 David Lechner <david@lechnology.com>
+ */
+
+#ifndef __LINUX_PLATFORM_DATA_PHY_DA8XX_USB_H__
+#define __LINUX_PLATFORM_DATA_PHY_DA8XX_USB_H__
+
+#include <linux/regmap.h>
+
+/**
+ * da8xx_usb_phy_platform_data
+ * @cfgchip: CFGCHIP syscon regmap
+ */
+struct da8xx_usb_phy_platform_data {
+	struct regmap *cfgchip;
+};
+
+#endif /* __LINUX_PLATFORM_DATA_PHY_DA8XX_USB_H__ */