diff options
Diffstat (limited to 'drivers/clk/sunxi-ng/ccu-sun8i-a33.c')
| -rw-r--r-- | drivers/clk/sunxi-ng/ccu-sun8i-a33.c | 44 |
1 files changed, 33 insertions, 11 deletions
diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-a33.c b/drivers/clk/sunxi-ng/ccu-sun8i-a33.c index 91838cd11037..b039d419512c 100644 --- a/drivers/clk/sunxi-ng/ccu-sun8i-a33.c +++ b/drivers/clk/sunxi-ng/ccu-sun8i-a33.c @@ -5,7 +5,8 @@ #include <linux/clk-provider.h> #include <linux/io.h> -#include <linux/of_address.h> +#include <linux/module.h> +#include <linux/platform_device.h> #include "ccu_common.h" #include "ccu_reset.h" @@ -711,7 +712,7 @@ static struct clk_hw_onecell_data sun8i_a33_hw_clks = { .num = CLK_NUMBER, }; -static struct ccu_reset_map sun8i_a33_ccu_resets[] = { +static const struct ccu_reset_map sun8i_a33_ccu_resets[] = { [RST_USB_PHY0] = { 0x0cc, BIT(0) }, [RST_USB_PHY1] = { 0x0cc, BIT(1) }, [RST_USB_HSIC] = { 0x0cc, BIT(2) }, @@ -784,16 +785,15 @@ static struct ccu_mux_nb sun8i_a33_cpu_nb = { .bypass_index = 1, /* index of 24 MHz oscillator */ }; -static void __init sun8i_a33_ccu_setup(struct device_node *node) +static int sun8i_a33_ccu_probe(struct platform_device *pdev) { void __iomem *reg; + int ret; u32 val; - reg = of_io_request_and_map(node, 0, of_node_full_name(node)); - if (IS_ERR(reg)) { - pr_err("%pOF: Could not map the clock registers\n", node); - return; - } + reg = devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(reg)) + return PTR_ERR(reg); /* Force the PLL-Audio-1x divider to 1 */ val = readl(reg + SUN8I_A33_PLL_AUDIO_REG); @@ -805,7 +805,9 @@ static void __init sun8i_a33_ccu_setup(struct device_node *node) val &= ~BIT(16); writel(val, reg + SUN8I_A33_PLL_MIPI_REG); - sunxi_ccu_probe(node, reg, &sun8i_a33_ccu_desc); + ret = devm_sunxi_ccu_probe(&pdev->dev, reg, &sun8i_a33_ccu_desc); + if (ret) + return ret; /* Gate then ungate PLL CPU after any rate changes */ ccu_pll_notifier_register(&sun8i_a33_pll_cpu_nb); @@ -813,6 +815,26 @@ static void __init sun8i_a33_ccu_setup(struct device_node *node) /* Reparent CPU during PLL CPU rate changes */ ccu_mux_notifier_register(pll_cpux_clk.common.hw.clk, &sun8i_a33_cpu_nb); + + return 0; } -CLK_OF_DECLARE(sun8i_a33_ccu, "allwinner,sun8i-a33-ccu", - sun8i_a33_ccu_setup); + +static const struct of_device_id sun8i_a33_ccu_ids[] = { + { .compatible = "allwinner,sun8i-a33-ccu" }, + { } +}; +MODULE_DEVICE_TABLE(of, sun8i_a33_ccu_ids); + +static struct platform_driver sun8i_a33_ccu_driver = { + .probe = sun8i_a33_ccu_probe, + .driver = { + .name = "sun8i-a33-ccu", + .suppress_bind_attrs = true, + .of_match_table = sun8i_a33_ccu_ids, + }, +}; +module_platform_driver(sun8i_a33_ccu_driver); + +MODULE_IMPORT_NS("SUNXI_CCU"); +MODULE_DESCRIPTION("Support for the Allwinner A33 CCU"); +MODULE_LICENSE("GPL"); |