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>

diff --git a/arch/arm/mach-imx/clk-imx6q.c b/arch/arm/mach-imx/clk-imx6q.c
index 54ce0b30b9ad03daafc732f9c3d92588cc07978b..5e88038ad51cd6727885818011ded182706aca31 100644 (file)
--- 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 d990f51ded7151f2af19266dbf280f373a7459f3..3aef264641101dac53396d7fd50534410db8894c 100644 (file)
--- 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 2b0a1fd5d7eb6aa4555c4b6732fcc20d64cf6b7b..151460a95130b4e996a6218c6076f79c18609e24 100644 (file)
--- 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 d7f3b7b1d9112e46d7f7e0c0d3dbeaa01b770aa7..d1e2873f807e5a552aa4fa66d12a5c23445ca1bb 100644 (file)
--- 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 5858bde5a4e732ebc62406c1c00f973b1c562d14..27bc80dab2d86740b128b5fda37334395b6bea30 100644 (file)
--- 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);