diff options
Diffstat (limited to 'drivers/clk/rockchip/clk.c')
| -rw-r--r-- | drivers/clk/rockchip/clk.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/drivers/clk/rockchip/clk.c b/drivers/clk/rockchip/clk.c index d54b58a9e9fd..cbf93ea119a9 100644 --- a/drivers/clk/rockchip/clk.c +++ b/drivers/clk/rockchip/clk.c @@ -19,6 +19,7 @@ #include <linux/clk-provider.h> #include <linux/io.h> #include <linux/mfd/syscon.h> +#include <linux/platform_device.h> #include <linux/regmap.h> #include <linux/reboot.h> @@ -468,6 +469,29 @@ unsigned long rockchip_clk_find_max_clk_id(struct rockchip_clk_branch *list, } EXPORT_SYMBOL_GPL(rockchip_clk_find_max_clk_id); +static struct platform_device *rockchip_clk_register_gate_link( + struct device *parent_dev, + struct rockchip_clk_provider *ctx, + struct rockchip_clk_branch *clkbr) +{ + struct rockchip_gate_link_platdata gate_link_pdata = { + .ctx = ctx, + .clkbr = clkbr, + }; + + struct platform_device_info pdevinfo = { + .parent = parent_dev, + .name = "rockchip-gate-link-clk", + .id = clkbr->id, + .fwnode = dev_fwnode(parent_dev), + .of_node_reused = true, + .data = &gate_link_pdata, + .size_data = sizeof(gate_link_pdata), + }; + + return platform_device_register_full(&pdevinfo); +} + void rockchip_clk_register_branches(struct rockchip_clk_provider *ctx, struct rockchip_clk_branch *list, unsigned int nr_clk) @@ -593,6 +617,9 @@ void rockchip_clk_register_branches(struct rockchip_clk_provider *ctx, list->div_width, list->div_flags, ctx->reg_base, &ctx->lock); break; + case branch_linked_gate: + /* must be registered late, fall-through for error message */ + break; } /* none of the cases above matched */ @@ -613,6 +640,31 @@ void rockchip_clk_register_branches(struct rockchip_clk_provider *ctx, } EXPORT_SYMBOL_GPL(rockchip_clk_register_branches); +void rockchip_clk_register_late_branches(struct device *dev, + struct rockchip_clk_provider *ctx, + struct rockchip_clk_branch *list, + unsigned int nr_clk) +{ + unsigned int idx; + + for (idx = 0; idx < nr_clk; idx++, list++) { + struct platform_device *pdev = NULL; + + switch (list->branch_type) { + case branch_linked_gate: + pdev = rockchip_clk_register_gate_link(dev, ctx, list); + break; + default: + dev_err(dev, "unknown clock type %d\n", list->branch_type); + break; + } + + if (!pdev) + dev_err(dev, "failed to register device for clock %s\n", list->name); + } +} +EXPORT_SYMBOL_GPL(rockchip_clk_register_late_branches); + void rockchip_clk_register_armclk(struct rockchip_clk_provider *ctx, unsigned int lookup_id, const char *name, const char *const *parent_names, |