Commit 04dfac09 authored by Tero Kristo's avatar Tero Kristo Committed by Tony Lindgren
Browse files

ARM: omap2+: control: add support for auxiliary control module instances 



Control module can have multiple instances in a system, each with separate
address space and features. Add base support for these auxiliary instances,
with support for syscon and clock mappings under them.

Signed-off-by: default avatarTero Kristo <t-kristo@ti.com>
Tested-by: default avatarPeter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent e33509c1

arch/arm/mach-omap2/control.c

+11 −4
Original line number Diff line number Diff line
@@ -623,6 +623,7 @@ void __init omap3_ctrl_init(void) 


struct control_init_data {

	int index;

	void __iomem *mem;

	s16 offset;

};
@@ -660,17 +661,23 @@ int __init omap2_control_base_init(void) 
	struct device_node *np;

	const struct of_device_id *match;

	struct control_init_data *data;

	void __iomem *mem;



	for_each_matching_node_and_match(np, omap_scrm_dt_match_table, &match) {

		data = (struct control_init_data *)match->data;



		omap2_ctrl_base = of_iomap(np, 0);

		if (!omap2_ctrl_base)

		mem = of_iomap(np, 0);

		if (!mem)

			return -ENOMEM;



		if (data->index == TI_CLKM_CTRL) {

			omap2_ctrl_base = mem;

			omap2_ctrl_offset = data->offset;

		}



		data->mem = mem;

	}



	return 0;

}
@@ -713,7 +720,7 @@ int __init omap_control_init(void) 
		} else {

			/* No scm_conf found, direct access */

			ret = omap2_clk_provider_init(np, data->index, NULL,

						      omap2_ctrl_base);

						      data->mem);

			if (ret)

				return ret;

		}

include/linux/clk/ti.h

+1 −0
Original line number Diff line number Diff line
@@ -203,6 +203,7 @@ enum { 
	TI_CLKM_PRM,

	TI_CLKM_SCRM,

	TI_CLKM_CTRL,

	TI_CLKM_CTRL_AUX,

	TI_CLKM_PLLSS,

	CLK_MAX_MEMMAPS

};

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