clk: prima2: enable dt-binding clkdev mapping

this patche deletes hard code that registers clkdev by things like:
clk_register_clkdev(clk, NULL, "b0030000.nand");
clk_register_clkdev(clk, NULL, "b0040000.audio");
clk_register_clkdev(clk, NULL, "b0080000.usp");
prima2 clock controller becomes a clock provider and  every dt node
just declares its clock sources by dt prop.

it also makes us easier to extend this driver to support both prima2
and marco as marco has different address mapping with prima2.

Signed-off-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>

1 files changed, 80 insertions, 125 deletions

diff --git a/drivers/clk/clk-prima2.c b/drivers/clk/clk-prima2.c
index a203ecccdc4..f8e9d0c27be 100644
--- a/drivers/clk/clk-prima2.c
+++ b/drivers/clk/clk-prima2.c
@@ -1025,20 +1025,67 @@ static struct of_device_id rsc_ids[] = {
 	{},
 };
 
+enum prima2_clk_index {
+	/* 0    1     2      3      4      5      6       7         8      9 */
+	rtc,    osc,   pll1,  pll2,  pll3,  mem,   sys,   security, dsp,   gps,
+	mf,     io,    cpu,   uart0, uart1, uart2, tsc,   i2c0,     i2c1,  spi0,
+	spi1,   pwmc,  efuse, pulse, dmac0, dmac1, nand,  audio,    usp0,  usp1,
+	usp2,   vip,   gfx,   mm,    lcd,   vpp,   mmc01, mmc23,    mmc45, usbpll,
+	usb0,  usb1,  maxclk,
+};
+
+static __initdata struct clk_hw* prima2_clk_hw_array[maxclk] = {
+	NULL, /* dummy */
+	NULL,
+	&clk_pll1.hw,
+	&clk_pll2.hw,
+	&clk_pll3.hw,
+	&clk_mem.hw,
+	&clk_sys.hw,
+	&clk_security.hw,
+	&clk_dsp.hw,
+	&clk_gps.hw,
+	&clk_mf.hw,
+	&clk_io.hw,
+	&clk_cpu.hw,
+	&clk_uart0.hw,
+	&clk_uart1.hw,
+	&clk_uart2.hw,
+	&clk_tsc.hw,
+	&clk_i2c0.hw,
+	&clk_i2c1.hw,
+	&clk_spi0.hw,
+	&clk_spi1.hw,
+	&clk_pwmc.hw,
+	&clk_efuse.hw,
+	&clk_pulse.hw,
+	&clk_dmac0.hw,
+	&clk_dmac1.hw,
+	&clk_nand.hw,
+	&clk_audio.hw,
+	&clk_usp0.hw,
+	&clk_usp1.hw,
+	&clk_usp2.hw,
+	&clk_vip.hw,
+	&clk_gfx.hw,
+	&clk_mm.hw,
+	&clk_lcd.hw,
+	&clk_vpp.hw,
+	&clk_mmc01.hw,
+	&clk_mmc23.hw,
+	&clk_mmc45.hw,
+	&usb_pll_clk_hw,
+	&clk_usb0.hw,
+	&clk_usb1.hw,
+};
+
+static struct clk *prima2_clks[maxclk];
+static struct clk_onecell_data clk_data;
+
 void __init sirfsoc_of_clk_init(void)
 {
-	struct clk *clk;
 	struct device_node *np;
-
-	np = of_find_matching_node(NULL, clkc_ids);
-	if (!np)
-		panic("unable to find compatible clkc node in dtb\n");
-
-	sirfsoc_clk_vbase = of_iomap(np, 0);
-	if (!sirfsoc_clk_vbase)
-		panic("unable to map clkc registers\n");
-
-	of_node_put(np);
+	int i;
 
 	np = of_find_matching_node(NULL, rsc_ids);
 	if (!np)
@@ -1050,122 +1097,30 @@ void __init sirfsoc_of_clk_init(void)
 
 	of_node_put(np);
 
+	np = of_find_matching_node(NULL, clkc_ids);
+	if (!np)
+		return;
+
+	sirfsoc_clk_vbase = of_iomap(np, 0);
+	if (!sirfsoc_clk_vbase)
+		panic("unable to map clkc registers\n");
 
 	/* These are always available (RTC and 26MHz OSC)*/
-	clk = clk_register_fixed_rate(NULL, "rtc", NULL,
+	prima2_clks[rtc] = clk_register_fixed_rate(NULL, "rtc", NULL,
 		CLK_IS_ROOT, 32768);
-	BUG_ON(IS_ERR(clk));
-	clk = clk_register_fixed_rate(NULL, "osc", NULL,
+	prima2_clks[osc]= clk_register_fixed_rate(NULL, "osc", NULL,
 		CLK_IS_ROOT, 26000000);
-	BUG_ON(IS_ERR(clk));
-
-	clk = clk_register(NULL, &clk_pll1.hw);
-	BUG_ON(IS_ERR(clk));
-	clk = clk_register(NULL, &clk_pll2.hw);
-	BUG_ON(IS_ERR(clk));
-	clk = clk_register(NULL, &clk_pll3.hw);
-	BUG_ON(IS_ERR(clk));
-	clk = clk_register(NULL, &clk_mem.hw);
-	BUG_ON(IS_ERR(clk));
-	clk = clk_register(NULL, &clk_sys.hw);
-	BUG_ON(IS_ERR(clk));
-	clk = clk_register(NULL, &clk_security.hw);
-	BUG_ON(IS_ERR(clk));
-	clk_register_clkdev(clk, NULL, "b8030000.security");
-	clk = clk_register(NULL, &clk_dsp.hw);
-	BUG_ON(IS_ERR(clk));
-	clk = clk_register(NULL, &clk_gps.hw);
-	BUG_ON(IS_ERR(clk));
-	clk_register_clkdev(clk, NULL, "a8010000.gps");
-	clk = clk_register(NULL, &clk_mf.hw);
-	BUG_ON(IS_ERR(clk));
-	clk = clk_register(NULL, &clk_io.hw);
-	BUG_ON(IS_ERR(clk));
-	clk_register_clkdev(clk, NULL, "io");
-	clk = clk_register(NULL, &clk_cpu.hw);
-	BUG_ON(IS_ERR(clk));
-	clk_register_clkdev(clk, NULL, "cpu");
-	clk = clk_register(NULL, &clk_uart0.hw);
-	BUG_ON(IS_ERR(clk));
-	clk_register_clkdev(clk, NULL, "b0050000.uart");
-	clk = clk_register(NULL, &clk_uart1.hw);
-	BUG_ON(IS_ERR(clk));
-	clk_register_clkdev(clk, NULL, "b0060000.uart");
-	clk = clk_register(NULL, &clk_uart2.hw);
-	BUG_ON(IS_ERR(clk));
-	clk_register_clkdev(clk, NULL, "b0070000.uart");
-	clk = clk_register(NULL, &clk_tsc.hw);
-	BUG_ON(IS_ERR(clk));
-	clk_register_clkdev(clk, NULL, "b0110000.tsc");
-	clk = clk_register(NULL, &clk_i2c0.hw);
-	BUG_ON(IS_ERR(clk));
-	clk_register_clkdev(clk, NULL, "b00e0000.i2c");
-	clk = clk_register(NULL, &clk_i2c1.hw);
-	BUG_ON(IS_ERR(clk));
-	clk_register_clkdev(clk, NULL, "b00f0000.i2c");
-	clk = clk_register(NULL, &clk_spi0.hw);
-	BUG_ON(IS_ERR(clk));
-	clk_register_clkdev(clk, NULL, "b00d0000.spi");
-	clk = clk_register(NULL, &clk_spi1.hw);
-	BUG_ON(IS_ERR(clk));
-	clk_register_clkdev(clk, NULL, "b0170000.spi");
-	clk = clk_register(NULL, &clk_pwmc.hw);
-	BUG_ON(IS_ERR(clk));
-	clk_register_clkdev(clk, NULL, "b0130000.pwm");
-	clk = clk_register(NULL, &clk_efuse.hw);
-	BUG_ON(IS_ERR(clk));
-	clk_register_clkdev(clk, NULL, "b0140000.efusesys");
-	clk = clk_register(NULL, &clk_pulse.hw);
-	BUG_ON(IS_ERR(clk));
-	clk_register_clkdev(clk, NULL, "b0150000.pulsec");
-	clk = clk_register(NULL, &clk_dmac0.hw);
-	BUG_ON(IS_ERR(clk));
-	clk_register_clkdev(clk, NULL, "b00b0000.dma-controller");
-	clk = clk_register(NULL, &clk_dmac1.hw);
-	BUG_ON(IS_ERR(clk));
-	clk_register_clkdev(clk, NULL, "b0160000.dma-controller");
-	clk = clk_register(NULL, &clk_nand.hw);
-	BUG_ON(IS_ERR(clk));
-	clk_register_clkdev(clk, NULL, "b0030000.nand");
-	clk = clk_register(NULL, &clk_audio.hw);
-	BUG_ON(IS_ERR(clk));
-	clk_register_clkdev(clk, NULL, "b0040000.audio");
-	clk = clk_register(NULL, &clk_usp0.hw);
-	BUG_ON(IS_ERR(clk));
-	clk_register_clkdev(clk, NULL, "b0080000.usp");
-	clk = clk_register(NULL, &clk_usp1.hw);
-	BUG_ON(IS_ERR(clk));
-	clk_register_clkdev(clk, NULL, "b0090000.usp");
-	clk = clk_register(NULL, &clk_usp2.hw);
-	BUG_ON(IS_ERR(clk));
-	clk_register_clkdev(clk, NULL, "b00a0000.usp");
-	clk = clk_register(NULL, &clk_vip.hw);
-	BUG_ON(IS_ERR(clk));
-	clk_register_clkdev(clk, NULL, "b00c0000.vip");
-	clk = clk_register(NULL, &clk_gfx.hw);
-	BUG_ON(IS_ERR(clk));
-	clk_register_clkdev(clk, NULL, "98000000.graphics");
-	clk = clk_register(NULL, &clk_mm.hw);
-	BUG_ON(IS_ERR(clk));
-	clk_register_clkdev(clk, NULL, "a0000000.multimedia");
-	clk = clk_register(NULL, &clk_lcd.hw);
-	BUG_ON(IS_ERR(clk));
-	clk_register_clkdev(clk, NULL, "90010000.display");
-	clk = clk_register(NULL, &clk_vpp.hw);
-	BUG_ON(IS_ERR(clk));
-	clk_register_clkdev(clk, NULL, "90020000.vpp");
-	clk = clk_register(NULL, &clk_mmc01.hw);
-	BUG_ON(IS_ERR(clk));
-	clk = clk_register(NULL, &clk_mmc23.hw);
-	BUG_ON(IS_ERR(clk));
-	clk = clk_register(NULL, &clk_mmc45.hw);
-	BUG_ON(IS_ERR(clk));
-	clk = clk_register(NULL, &usb_pll_clk_hw);
-	BUG_ON(IS_ERR(clk));
-	clk = clk_register(NULL, &clk_usb0.hw);
-	BUG_ON(IS_ERR(clk));
-	clk_register_clkdev(clk, NULL, "b00e0000.usb");
-	clk = clk_register(NULL, &clk_usb1.hw);
-	BUG_ON(IS_ERR(clk));
-	clk_register_clkdev(clk, NULL, "b00f0000.usb");
+
+	for (i = pll1; i < maxclk; i++) {
+		prima2_clks[i] = clk_register(NULL, prima2_clk_hw_array[i]);
+		BUG_ON(!prima2_clks[i]);
+	}
+	clk_register_clkdev(prima2_clks[cpu], NULL, "cpu");
+	clk_register_clkdev(prima2_clks[io],  NULL, "io");
+	clk_register_clkdev(prima2_clks[mem],  NULL, "mem");
+
+	clk_data.clks = prima2_clks;
+	clk_data.clk_num = maxclk;
+
+	of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data);
 }