p71924506
/
linux_old1
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

ARM: mach-imx: clk-imx51-imx53: Retrieve base address and irq from dt 

As mx53 is a dt-only SoC, we should retrieve the gpt base address and irq
from the device tree, instead of using the old MX53_IO_ADDRESS method.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
This commit is contained in:
Fabio Estevam 2013-10-01 00:21:12 -03:00 committed by Shawn Guo
parent a4de29044d
commit bfcc7bcef5
1 changed files with 11 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
arch/arm/mach-imx/clk-imx51-imx53.c
View File

@ -14,6 +14,9 @@
#include <linux/clk-provider.h> #include <linux/clk-provider.h>
#include <linux/of.h> #include <linux/of.h>
#include <linux/err.h> #include <linux/err.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/of_irq.h>
#include "crm-regs-imx5.h" #include "crm-regs-imx5.h"
#include "clk.h" #include "clk.h"
@ -472,8 +475,9 @@ CLK_OF_DECLARE(imx51_ccm, "fsl,imx51-ccm", mx51_clocks_init_dt);
static void __init mx53_clocks_init(struct device_node *np) static void __init mx53_clocks_init(struct device_node *np)
{ {
int i; int i, irq;
unsigned long r; unsigned long r;
void __iomem *base;
clk[pll1_sw] = imx_clk_pllv2("pll1_sw", "osc", MX53_DPLL1_BASE); clk[pll1_sw] = imx_clk_pllv2("pll1_sw", "osc", MX53_DPLL1_BASE);
clk[pll2_sw] = imx_clk_pllv2("pll2_sw", "osc", MX53_DPLL2_BASE); clk[pll2_sw] = imx_clk_pllv2("pll2_sw", "osc", MX53_DPLL2_BASE);
@ -559,14 +563,17 @@ static void __init mx53_clocks_init(struct device_node *np)
clk_set_rate(clk[esdhc_a_podf], 200000000); clk_set_rate(clk[esdhc_a_podf], 200000000);
clk_set_rate(clk[esdhc_b_podf], 200000000); clk_set_rate(clk[esdhc_b_podf], 200000000);
/* System timer */
mxc_timer_init(MX53_IO_ADDRESS(MX53_GPT1_BASE_ADDR), MX53_INT_GPT);
clk_prepare_enable(clk[iim_gate]); clk_prepare_enable(clk[iim_gate]);
imx_print_silicon_rev("i.MX53", mx53_revision()); imx_print_silicon_rev("i.MX53", mx53_revision());
clk_disable_unprepare(clk[iim_gate]); clk_disable_unprepare(clk[iim_gate]);
r = clk_round_rate(clk[usboh3_per_gate], 54000000); r = clk_round_rate(clk[usboh3_per_gate], 54000000);
clk_set_rate(clk[usboh3_per_gate], r); clk_set_rate(clk[usboh3_per_gate], r);
np = of_find_compatible_node(NULL, NULL, "fsl,imx53-gpt");
base = of_iomap(np, 0);
WARN_ON(!base);
irq = irq_of_parse_and_map(np, 0);
mxc_timer_init(base, irq);
} }
CLK_OF_DECLARE(imx53_ccm, "fsl,imx53-ccm", mx53_clocks_init); CLK_OF_DECLARE(imx53_ccm, "fsl,imx53-ccm", mx53_clocks_init);