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authorShawn Guo <shawn.guo@linaro.org>2015-04-25 18:37:12 +0300
committerShawn Guo <shawn.guo@linaro.org>2015-06-03 09:44:31 +0300
commitf0b478b5d42ee9d925b45c22cbdc1ad4c90c3cf1 (patch)
tree03bd549929370f183a78002a85dcfb9d1b8cc836
parent8fb76a07e2cb08b9f278a6415af4f784bb635a6e (diff)
downloadlinux-f0b478b5d42ee9d925b45c22cbdc1ad4c90c3cf1.tar.xz
ARM: imx6: let pm code map CCM block on its own
We are about to move imx6 clock driver into drivers/clk, so let's get imx6 pm code map CCM block on its own rather than relying on clock driver to do the mapping. Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
-rw-r--r--arch/arm/mach-imx/clk-imx6q.c2
-rw-r--r--arch/arm/mach-imx/clk-imx6sl.c3
-rw-r--r--arch/arm/mach-imx/clk-imx6sx.c2
-rw-r--r--arch/arm/mach-imx/common.h1
-rw-r--r--arch/arm/mach-imx/pm-imx6.c16
5 files changed, 9 insertions, 15 deletions
diff --git a/arch/arm/mach-imx/clk-imx6q.c b/arch/arm/mach-imx/clk-imx6q.c
index 54ce0b30b9ad..5e88038ad51c 100644
--- a/arch/arm/mach-imx/clk-imx6q.c
+++ b/arch/arm/mach-imx/clk-imx6q.c
@@ -262,8 +262,6 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node)
base = of_iomap(np, 0);
WARN_ON(!base);
- imx6q_pm_set_ccm_base(base);
-
/* name reg shift width parent_names num_parents */
clk[IMX6QDL_CLK_STEP] = imx_clk_mux("step", base + 0xc, 8, 1, step_sels, ARRAY_SIZE(step_sels));
clk[IMX6QDL_CLK_PLL1_SW] = imx_clk_mux("pll1_sw", base + 0xc, 2, 1, pll1_sw_sels, ARRAY_SIZE(pll1_sw_sels));
diff --git a/arch/arm/mach-imx/clk-imx6sl.c b/arch/arm/mach-imx/clk-imx6sl.c
index d990f51ded71..3aef26464110 100644
--- a/arch/arm/mach-imx/clk-imx6sl.c
+++ b/arch/arm/mach-imx/clk-imx6sl.c
@@ -288,9 +288,6 @@ static void __init imx6sl_clocks_init(struct device_node *ccm_node)
WARN_ON(!base);
ccm_base = base;
- /* Reuse imx6q pm code */
- imx6q_pm_set_ccm_base(base);
-
/* name reg shift width parent_names num_parents */
clks[IMX6SL_CLK_STEP] = imx_clk_mux("step", base + 0xc, 8, 1, step_sels, ARRAY_SIZE(step_sels));
clks[IMX6SL_CLK_PLL1_SW] = imx_clk_mux("pll1_sw", base + 0xc, 2, 1, pll1_sw_sels, ARRAY_SIZE(pll1_sw_sels));
diff --git a/arch/arm/mach-imx/clk-imx6sx.c b/arch/arm/mach-imx/clk-imx6sx.c
index 2b0a1fd5d7eb..151460a95130 100644
--- a/arch/arm/mach-imx/clk-imx6sx.c
+++ b/arch/arm/mach-imx/clk-imx6sx.c
@@ -268,8 +268,6 @@ static void __init imx6sx_clocks_init(struct device_node *ccm_node)
base = of_iomap(np, 0);
WARN_ON(!base);
- imx6q_pm_set_ccm_base(base);
-
/* name reg shift width parent_names num_parents */
clks[IMX6SX_CLK_STEP] = imx_clk_mux("step", base + 0xc, 8, 1, step_sels, ARRAY_SIZE(step_sels));
clks[IMX6SX_CLK_PLL1_SW] = imx_clk_mux("pll1_sw", base + 0xc, 2, 1, pll1_sw_sels, ARRAY_SIZE(pll1_sw_sels));
diff --git a/arch/arm/mach-imx/common.h b/arch/arm/mach-imx/common.h
index d7f3b7b1d911..d1e2873f807e 100644
--- a/arch/arm/mach-imx/common.h
+++ b/arch/arm/mach-imx/common.h
@@ -127,7 +127,6 @@ void imx6q_pm_init(void);
void imx6dl_pm_init(void);
void imx6sl_pm_init(void);
void imx6sx_pm_init(void);
-void imx6q_pm_set_ccm_base(void __iomem *base);
#ifdef CONFIG_PM
void imx51_pm_init(void);
diff --git a/arch/arm/mach-imx/pm-imx6.c b/arch/arm/mach-imx/pm-imx6.c
index 5858bde5a4e7..27bc80dab2d8 100644
--- a/arch/arm/mach-imx/pm-imx6.c
+++ b/arch/arm/mach-imx/pm-imx6.c
@@ -89,6 +89,7 @@ struct imx6_pm_base {
struct imx6_pm_socdata {
u32 ddr_type;
+ const char *ccm_compat;
const char *mmdc_compat;
const char *src_compat;
const char *iomuxc_compat;
@@ -138,6 +139,7 @@ static const u32 imx6sx_mmdc_io_offset[] __initconst = {
};
static const struct imx6_pm_socdata imx6q_pm_data __initconst = {
+ .ccm_compat = "fsl,imx6q-ccm",
.mmdc_compat = "fsl,imx6q-mmdc",
.src_compat = "fsl,imx6q-src",
.iomuxc_compat = "fsl,imx6q-iomuxc",
@@ -147,6 +149,7 @@ static const struct imx6_pm_socdata imx6q_pm_data __initconst = {
};
static const struct imx6_pm_socdata imx6dl_pm_data __initconst = {
+ .ccm_compat = "fsl,imx6q-ccm",
.mmdc_compat = "fsl,imx6q-mmdc",
.src_compat = "fsl,imx6q-src",
.iomuxc_compat = "fsl,imx6dl-iomuxc",
@@ -156,6 +159,7 @@ static const struct imx6_pm_socdata imx6dl_pm_data __initconst = {
};
static const struct imx6_pm_socdata imx6sl_pm_data __initconst = {
+ .ccm_compat = "fsl,imx6sl-ccm",
.mmdc_compat = "fsl,imx6sl-mmdc",
.src_compat = "fsl,imx6sl-src",
.iomuxc_compat = "fsl,imx6sl-iomuxc",
@@ -165,6 +169,7 @@ static const struct imx6_pm_socdata imx6sl_pm_data __initconst = {
};
static const struct imx6_pm_socdata imx6sx_pm_data __initconst = {
+ .ccm_compat = "fsl,imx6sx-ccm",
.mmdc_compat = "fsl,imx6sx-mmdc",
.src_compat = "fsl,imx6sx-src",
.iomuxc_compat = "fsl,imx6sx-iomuxc",
@@ -392,11 +397,6 @@ static const struct platform_suspend_ops imx6q_pm_ops = {
.valid = imx6q_pm_valid,
};
-void __init imx6q_pm_set_ccm_base(void __iomem *base)
-{
- ccm_base = base;
-}
-
static int __init imx6_pm_get_base(struct imx6_pm_base *base,
const char *compat)
{
@@ -482,8 +482,7 @@ static int __init imx6q_suspend_init(const struct imx6_pm_socdata *socdata)
/*
* ccm physical address is not used by asm code currently,
- * so get ccm virtual address directly, as we already have
- * it from ccm driver.
+ * so get ccm virtual address directly.
*/
pm_info->ccm_base.vbase = ccm_base;
@@ -554,9 +553,12 @@ put_node:
static void __init imx6_pm_common_init(const struct imx6_pm_socdata
*socdata)
{
+ struct device_node *np;
struct regmap *gpr;
int ret;
+ np = of_find_compatible_node(NULL, NULL, socdata->ccm_compat);
+ ccm_base = of_iomap(np, 0);
WARN_ON(!ccm_base);
imx6_set_lpm(WAIT_CLOCKED);