linux-kernel - [PATCH 4/4] clk: pxa: add missing pxa27x clocks for Irda and sa1100-rtc

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Date:	Sat, 27 Dec 2014 14:55:28 +0100
From:	Robert Jarzmik <robert.jarzmik@...e.fr>
To:	Daniel Mack <daniel@...que.org>,
	Haojian Zhuang <haojian.zhuang@...il.com>,
	Robert Jarzmik <robert.jarzmik@...e.fr>,
	Mike Turquette <mturquette@...aro.org>,
	Stephen Boyd <sboyd@...eaurora.org>,
	Laurent Pinchart <laurent.pinchart@...asonboard.com>,
	Dmitry Eremin-Solenikov <dbaryshkov@...il.com>,
	Arnd Bergmann <arnd@...db.de>
Cc:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH 4/4] clk: pxa: add missing pxa27x clocks for Irda and sa1100-rtc

Add 2 clocks which were erronously forgotten by the clock framework
port, namely :
 - sa1100-rtc
 - irda for pxa2xx-ir:UARTCLK

Signed-off-by: Robert Jarzmik <robert.jarzmik@...e.fr>
---
 drivers/clk/pxa/clk-pxa27x.c | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/drivers/clk/pxa/clk-pxa27x.c b/drivers/clk/pxa/clk-pxa27x.c
index 2b8343a..9a31b77 100644
--- a/drivers/clk/pxa/clk-pxa27x.c
+++ b/drivers/clk/pxa/clk-pxa27x.c
@@ -353,6 +353,34 @@ static u8 clk_pxa27x_memory_get_parent(struct clk_hw *hw)
 PARENTS(clk_pxa27x_memory) = { "osc_13mhz", "system_bus", "run" };
 MUX_RO_RATE_RO_OPS(clk_pxa27x_memory, "memory");
 
+#define DUMMY_CLK(_con_id, _dev_id, _parent) \
+	{ .con_id = _con_id, .dev_id = _dev_id, .parent = _parent }
+struct dummy_clk {
+	const char *con_id;
+	const char *dev_id;
+	const char *parent;
+};
+static struct dummy_clk dummy_clks[] __initdata = {
+	DUMMY_CLK(NULL, "pxa27x-gpio", "osc_32_768khz"),
+	DUMMY_CLK(NULL, "sa1100-rtc", "osc_32_768khz"),
+	DUMMY_CLK("UARTCLK", "pxa2xx-ir", "STUART"),
+};
+
+static void __init pxa27x_dummy_clocks_init(void)
+{
+	struct clk *clk;
+	struct dummy_clk *d;
+	const char *name;
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(dummy_clks); i++) {
+		d = &dummy_clks[i];
+		name = d->dev_id ? d->dev_id : d->con_id;
+		clk = clk_register_fixed_factor(NULL, name, d->parent, 0, 1, 1);
+		clk_register_clkdev(clk, d->con_id, d->dev_id);
+	}
+}
+
 static void __init pxa27x_base_clocks_init(void)
 {
 	pxa27x_register_plls();
@@ -365,6 +393,7 @@ static void __init pxa27x_base_clocks_init(void)
 int __init pxa27x_clocks_init(void)
 {
 	pxa27x_base_clocks_init();
+	pxa27x_dummy_clocks_init();
 	return clk_pxa_cken_init(pxa27x_clocks, ARRAY_SIZE(pxa27x_clocks));
 }
 
-- 
2.1.0

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