ARM: imx6q: replace clk_register_clkdev with clock DT lookup
It really becomes an maintenance issue that every time a device needs
to look up (clk_get) a clock we have to patch kernel clock file to call
clk_register_clkdev for that clock.
Since clock DT support which is meant to resolve clock lookup in device
tree is in place, the patch moves imx6q client devices' clock lookup
over to device tree, so that any new lookup to be added at later time
can just get done in DT instead of kernel.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
diff --git a/arch/arm/mach-imx/clk-imx6q.c b/arch/arm/mach-imx/clk-imx6q.c
index ea89520..bbc71f5 100644
--- a/arch/arm/mach-imx/clk-imx6q.c
+++ b/arch/arm/mach-imx/clk-imx6q.c
@@ -157,6 +157,7 @@
};
static struct clk *clk[clk_max];
+static struct clk_onecell_data clk_data;
static enum mx6q_clks const clks_init_on[] __initconst = {
mmdc_ch0_axi, rom,
@@ -392,48 +393,13 @@
pr_err("i.MX6q clk %d: register failed with %ld\n",
i, PTR_ERR(clk[i]));
+ clk_data.clks = clk;
+ clk_data.clk_num = ARRAY_SIZE(clk);
+ of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data);
+
clk_register_clkdev(clk[gpt_ipg], "ipg", "imx-gpt.0");
clk_register_clkdev(clk[gpt_ipg_per], "per", "imx-gpt.0");
clk_register_clkdev(clk[twd], NULL, "smp_twd");
- clk_register_clkdev(clk[apbh_dma], NULL, "110000.dma-apbh");
- clk_register_clkdev(clk[per1_bch], "per1_bch", "112000.gpmi-nand");
- clk_register_clkdev(clk[gpmi_bch_apb], "gpmi_bch_apb", "112000.gpmi-nand");
- clk_register_clkdev(clk[gpmi_bch], "gpmi_bch", "112000.gpmi-nand");
- clk_register_clkdev(clk[gpmi_apb], "gpmi_apb", "112000.gpmi-nand");
- clk_register_clkdev(clk[gpmi_io], "gpmi_io", "112000.gpmi-nand");
- clk_register_clkdev(clk[usboh3], NULL, "2184000.usb");
- clk_register_clkdev(clk[usboh3], NULL, "2184200.usb");
- clk_register_clkdev(clk[usboh3], NULL, "2184400.usb");
- clk_register_clkdev(clk[usboh3], NULL, "2184600.usb");
- clk_register_clkdev(clk[usbphy1], NULL, "20c9000.usbphy");
- clk_register_clkdev(clk[usbphy2], NULL, "20ca000.usbphy");
- clk_register_clkdev(clk[uart_serial], "per", "2020000.serial");
- clk_register_clkdev(clk[uart_ipg], "ipg", "2020000.serial");
- clk_register_clkdev(clk[uart_serial], "per", "21e8000.serial");
- clk_register_clkdev(clk[uart_ipg], "ipg", "21e8000.serial");
- clk_register_clkdev(clk[uart_serial], "per", "21ec000.serial");
- clk_register_clkdev(clk[uart_ipg], "ipg", "21ec000.serial");
- clk_register_clkdev(clk[uart_serial], "per", "21f0000.serial");
- clk_register_clkdev(clk[uart_ipg], "ipg", "21f0000.serial");
- clk_register_clkdev(clk[uart_serial], "per", "21f4000.serial");
- clk_register_clkdev(clk[uart_ipg], "ipg", "21f4000.serial");
- clk_register_clkdev(clk[enet], NULL, "2188000.ethernet");
- clk_register_clkdev(clk[usdhc1], NULL, "2190000.usdhc");
- clk_register_clkdev(clk[usdhc2], NULL, "2194000.usdhc");
- clk_register_clkdev(clk[usdhc3], NULL, "2198000.usdhc");
- clk_register_clkdev(clk[usdhc4], NULL, "219c000.usdhc");
- clk_register_clkdev(clk[i2c1], NULL, "21a0000.i2c");
- clk_register_clkdev(clk[i2c2], NULL, "21a4000.i2c");
- clk_register_clkdev(clk[i2c3], NULL, "21a8000.i2c");
- clk_register_clkdev(clk[ecspi1], NULL, "2008000.ecspi");
- clk_register_clkdev(clk[ecspi2], NULL, "200c000.ecspi");
- clk_register_clkdev(clk[ecspi3], NULL, "2010000.ecspi");
- clk_register_clkdev(clk[ecspi4], NULL, "2014000.ecspi");
- clk_register_clkdev(clk[ecspi5], NULL, "2018000.ecspi");
- clk_register_clkdev(clk[sdma], NULL, "20ec000.sdma");
- clk_register_clkdev(clk[dummy], NULL, "20bc000.wdog");
- clk_register_clkdev(clk[dummy], NULL, "20c0000.wdog");
- clk_register_clkdev(clk[ssi1_ipg], NULL, "2028000.ssi");
clk_register_clkdev(clk[cko1_sel], "cko1_sel", NULL);
clk_register_clkdev(clk[ahb], "ahb", NULL);
clk_register_clkdev(clk[cko1], "cko1", NULL);