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Merge tag 'omap-for-v4.17/soc-pt2-signed' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/soc

Pull "Two omap5 specific aux control module patches for v4.17" from Tony Lindgren:

On omap5 there is an aux control module that we are not handling
currently for clocks, so let's add support for it.

* tag 'omap-for-v4.17/soc-pt2-signed' of ssh://gitolite.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP5: control: add support for control module wkup pad config
  ARM: omap2+: control: add support for auxiliary control module instances
Arnd Bergmann 7 years ago
parent
commit
064fe81ef2
2 changed files with 17 additions and 4 deletions
  1. 16 4
      arch/arm/mach-omap2/control.c
  2. 1 0
      include/linux/clk/ti.h

+ 16 - 4
arch/arm/mach-omap2/control.c

@@ -623,6 +623,7 @@ void __init omap3_ctrl_init(void)
 
 struct control_init_data {
 	int index;
+	void __iomem *mem;
 	s16 offset;
 };
 
@@ -635,6 +636,10 @@ static const struct control_init_data omap2_ctrl_data = {
 	.offset = -OMAP2_CONTROL_GENERAL,
 };
 
+static const struct control_init_data ctrl_aux_data = {
+	.index = TI_CLKM_CTRL_AUX,
+};
+
 static const struct of_device_id omap_scrm_dt_match_table[] = {
 	{ .compatible = "ti,am3-scm", .data = &ctrl_data },
 	{ .compatible = "ti,am4-scm", .data = &ctrl_data },
@@ -644,6 +649,7 @@ static const struct of_device_id omap_scrm_dt_match_table[] = {
 	{ .compatible = "ti,dm816-scrm", .data = &ctrl_data },
 	{ .compatible = "ti,omap4-scm-core", .data = &ctrl_data },
 	{ .compatible = "ti,omap5-scm-core", .data = &ctrl_data },
+	{ .compatible = "ti,omap5-scm-wkup-pad-conf", .data = &ctrl_aux_data },
 	{ .compatible = "ti,dra7-scm-core", .data = &ctrl_data },
 	{ }
 };
@@ -660,15 +666,21 @@ 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;
 
-		omap2_ctrl_offset = data->offset;
+		if (data->index == TI_CLKM_CTRL) {
+			omap2_ctrl_base = mem;
+			omap2_ctrl_offset = data->offset;
+		}
+
+		data->mem = mem;
 	}
 
 	return 0;
@@ -713,7 +725,7 @@ 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;
 		}

+ 1 - 0
include/linux/clk/ti.h

@@ -203,6 +203,7 @@ enum {
 	TI_CLKM_PRM,
 	TI_CLKM_SCRM,
 	TI_CLKM_CTRL,
+	TI_CLKM_CTRL_AUX,
 	TI_CLKM_PLLSS,
 	CLK_MAX_MEMMAPS
 };