diff options
Diffstat (limited to 'drivers/clk/davinci/pll.c')
| -rw-r--r-- | drivers/clk/davinci/pll.c | 67 |
1 files changed, 17 insertions, 50 deletions
diff --git a/drivers/clk/davinci/pll.c b/drivers/clk/davinci/pll.c index 5bbbb3a66477..bfb6bbdc036c 100644 --- a/drivers/clk/davinci/pll.c +++ b/drivers/clk/davinci/pll.c @@ -19,7 +19,6 @@ #include <linux/mfd/syscon.h> #include <linux/notifier.h> #include <linux/of.h> -#include <linux/platform_data/clk-davinci-pll.h> #include <linux/platform_device.h> #include <linux/property.h> #include <linux/regmap.h> @@ -764,13 +763,14 @@ int of_davinci_pll_init(struct device *dev, struct device_node *node, return PTR_ERR(clk); } - child = of_get_child_by_name(node, "pllout"); - if (of_device_is_available(child)) + child = of_get_available_child_by_name(node, "pllout"); + if (child) { of_clk_add_provider(child, of_clk_src_simple_get, clk); - of_node_put(child); + of_node_put(child); + } - child = of_get_child_by_name(node, "sysclk"); - if (of_device_is_available(child)) { + child = of_get_available_child_by_name(node, "sysclk"); + if (child) { struct clk_onecell_data *clk_data; struct clk **clks; int n_clks = max_sysclk_id + 1; @@ -804,11 +804,11 @@ int of_davinci_pll_init(struct device *dev, struct device_node *node, clks[(*div_info)->id] = clk; } of_clk_add_provider(child, of_clk_src_onecell_get, clk_data); + of_node_put(child); } - of_node_put(child); - child = of_get_child_by_name(node, "auxclk"); - if (of_device_is_available(child)) { + child = of_get_available_child_by_name(node, "auxclk"); + if (child) { char child_name[MAX_NAME_SIZE]; snprintf(child_name, MAX_NAME_SIZE, "%s_auxclk", info->name); @@ -819,11 +819,12 @@ int of_davinci_pll_init(struct device *dev, struct device_node *node, child_name, PTR_ERR(clk)); else of_clk_add_provider(child, of_clk_src_simple_get, clk); + + of_node_put(child); } - of_node_put(child); - child = of_get_child_by_name(node, "obsclk"); - if (of_device_is_available(child)) { + child = of_get_available_child_by_name(node, "obsclk"); + if (child) { if (obsclk_info) clk = davinci_pll_obsclk_register(dev, obsclk_info, base); else @@ -834,53 +835,23 @@ int of_davinci_pll_init(struct device *dev, struct device_node *node, PTR_ERR(clk)); else of_clk_add_provider(child, of_clk_src_simple_get, clk); + of_node_put(child); } - of_node_put(child); return 0; } -static struct davinci_pll_platform_data *davinci_pll_get_pdata(struct device *dev) -{ - struct davinci_pll_platform_data *pdata = dev_get_platdata(dev); - - /* - * Platform data is optional, so allocate a new struct if one was not - * provided. For device tree, this will always be the case. - */ - if (!pdata) - pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL); - if (!pdata) - return NULL; - - /* for device tree, we need to fill in the struct */ - if (dev->of_node) - pdata->cfgchip = - syscon_regmap_lookup_by_compatible("ti,da830-cfgchip"); - - return pdata; -} - /* needed in early boot for clocksource/clockevent */ -#ifdef CONFIG_ARCH_DAVINCI_DA850 CLK_OF_DECLARE(da850_pll0, "ti,da850-pll0", of_da850_pll0_init); -#endif static const struct of_device_id davinci_pll_of_match[] = { -#ifdef CONFIG_ARCH_DAVINCI_DA850 { .compatible = "ti,da850-pll1", .data = of_da850_pll1_init }, -#endif { } }; static const struct platform_device_id davinci_pll_id_table[] = { -#ifdef CONFIG_ARCH_DAVINCI_DA830 - { .name = "da830-pll", .driver_data = (kernel_ulong_t)da830_pll_init }, -#endif -#ifdef CONFIG_ARCH_DAVINCI_DA850 { .name = "da850-pll0", .driver_data = (kernel_ulong_t)da850_pll0_init }, { .name = "da850-pll1", .driver_data = (kernel_ulong_t)da850_pll1_init }, -#endif { } }; @@ -890,8 +861,8 @@ typedef int (*davinci_pll_init)(struct device *dev, void __iomem *base, static int davinci_pll_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; - struct davinci_pll_platform_data *pdata; davinci_pll_init pll_init = NULL; + struct regmap *cfgchip; void __iomem *base; pll_init = device_get_match_data(dev); @@ -903,17 +874,13 @@ static int davinci_pll_probe(struct platform_device *pdev) return -EINVAL; } - pdata = davinci_pll_get_pdata(dev); - if (!pdata) { - dev_err(dev, "missing platform data\n"); - return -EINVAL; - } + cfgchip = syscon_regmap_lookup_by_compatible("ti,da830-cfgchip"); base = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(base)) return PTR_ERR(base); - return pll_init(dev, base, pdata->cfgchip); + return pll_init(dev, base, cfgchip); } static struct platform_driver davinci_pll_driver = { |