[PATCH 1/3] ARM: omap5: add support for fref_xtal_ck

[Peter Ujfalusi]

Signed-off-by: Tero Kristo <t-kristo@xxxxxx>
---
 arch/arm/boot/dts/omap5.dtsi           | 22 ++++++++++++++++++++++
 arch/arm/boot/dts/omap54xx-clocks.dtsi | 10 ++++++++++
 arch/arm/mach-omap2/control.c          | 20 ++++++++++++++++----
 include/linux/clk/ti.h                 |  1 +
 4 files changed, 49 insertions(+), 4 deletions(-)

diff --git a/arch/arm/boot/dts/omap5.dtsi b/arch/arm/boot/dts/omap5.dtsi
index 84c10195e79b..d0d6a6c6fcc3 100644
--- a/arch/arm/boot/dts/omap5.dtsi
+++ b/arch/arm/boot/dts/omap5.dtsi
@@ -198,6 +198,28 @@
 						};
 					};
 				};
+
+				omap5_scm_wkup_pad_conf: omap5_scm_wkup_pad_conf@cda0 {
+					compatible = "ti,omap5-scm-wkup-pad-conf",
+						     "simple-bus";
+					reg = <0xcda0 0x60>;
+					#address-cells = <1>;
+					#size-cells = <1>;
+					ranges = <0 0xcda0 0x60>;
+
+					scm_wkup_pad_conf: scm_conf@0 {
+						compatible = "syscon", "simple-bus";
+						reg = <0x0 0x60>;
+						#address-cells = <1>;
+						#size-cells = <1>;
+						ranges = <0 0x0 0x60>;
+
+						scm_wkup_pad_conf_clocks: clocks@0 {
+							#address-cells = <1>;
+							#size-cells = <0>;
+						};
+					};
+				};
 			};
 
 			cm_core_aon: cm_core_aon@4000 {
diff --git a/arch/arm/boot/dts/omap54xx-clocks.dtsi b/arch/arm/boot/dts/omap54xx-clocks.dtsi
index 4899c2359d0a..2450ea635c65 100644
--- a/arch/arm/boot/dts/omap54xx-clocks.dtsi
+++ b/arch/arm/boot/dts/omap54xx-clocks.dtsi
@@ -1388,3 +1388,13 @@
 		reg = <0x021c>;
 	};
 };
+
+&scm_wkup_pad_conf_clocks {
+	fref_xtal_ck: fref_xtal_ck {
+		#clocks-cells = <0>;
+		compatible = "ti,gate-clock";
+		clocks = <&sys_clkin>;
+		ti,bit-shift = <28>;
+		reg = <0x14>;
+	};
+};
diff --git a/arch/arm/mach-omap2/control.c b/arch/arm/mach-omap2/control.c
index 1662071bb2cc..595664173e49 100644
--- a/arch/arm/mach-omap2/control.c
+++ b/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;
 		}
diff --git a/include/linux/clk/ti.h b/include/linux/clk/ti.h
index 6110fe09ed18..5431f17a36bc 100644
--- a/include/linux/clk/ti.h
+++ b/include/linux/clk/ti.h
@@ -197,6 +197,7 @@ enum {
 	TI_CLKM_PRM,
 	TI_CLKM_SCRM,
 	TI_CLKM_CTRL,
+	TI_CLKM_CTRL_AUX,
 	TI_CLKM_PLLSS,
 	CLK_MAX_MEMMAPS
 };
-- 
2.8.2


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Content-Type: text/x-patch;
	name="0002-mfd-twl6040-Handle-mclk-for-HPPLL-via-clock-API.patch"
Content-Transfer-Encoding: 7bit
Content-Disposition: attachment;
	filename="0002-mfd-twl6040-Handle-mclk-for-HPPLL-via-clock-API.patch"