[PATCH 13/14] ARM: i.MX5: Add IPU clocks
Sascha Hauer
s.hauer at pengutronix.de
Wed May 7 01:04:43 PDT 2014
Add the clocks for the IPU on i.MX5. Since these are many only
add them when the driver is enabled.
Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
---
arch/arm/mach-imx/clk-imx5.c | 121 ++++++++++++++++++++++++++++
arch/arm/mach-imx/include/mach/imx51-regs.h | 2 +
arch/arm/mach-imx/include/mach/imx53-regs.h | 1 +
3 files changed, 124 insertions(+)
diff --git a/arch/arm/mach-imx/clk-imx5.c b/arch/arm/mach-imx/clk-imx5.c
index 8146359..1fc028c 100644
--- a/arch/arm/mach-imx/clk-imx5.c
+++ b/arch/arm/mach-imx/clk-imx5.c
@@ -113,6 +113,71 @@ static const char *usb_phy_sel_str[] = {
"usb_phy_podf",
};
+static const char *mx51_ipu_di0_sel[] = {
+ "di_pred",
+ "osc",
+ "ckih1",
+ "tve_di",
+};
+
+static const char *mx53_ipu_di0_sel[] = {
+ "di_pred",
+ "osc",
+ "ckih1",
+ "di_pll4_podf",
+ "dummy",
+ "ldb_di0_div",
+};
+
+static const char *mx53_ldb_di0_sel[] = {
+ "pll3_sw",
+ "pll4_sw",
+};
+
+static const char *mx51_ipu_di1_sel[] = {
+ "di_pred",
+ "osc",
+ "ckih1",
+ "tve_di",
+ "ipp_di1",
+};
+
+static const char *mx53_ipu_di1_sel[] = {
+ "di_pred",
+ "osc",
+ "ckih1",
+ "tve_di",
+ "ipp_di1",
+ "ldb_di1_div",
+};
+
+static const char *mx53_ldb_di1_sel[] = {
+ "pll3_sw",
+ "pll4_sw",
+};
+
+static const char *mx51_tve_ext_sel[] = {
+ "osc",
+ "ckih1",
+};
+
+static const char *mx53_tve_ext_sel[] = {
+ "pll4_sw",
+ "ckih1",
+};
+
+static const char *mx51_tve_sel[] = {
+ "tve_pred",
+ "tve_ext_sel",
+};
+
+static const char *ipu_sel[] = {
+ "axi_a",
+ "axi_b",
+ "emi_slow_gate",
+ "ahb",
+};
+
static void __init mx5_clocks_common_init(void __iomem *base, unsigned long rate_ckil,
unsigned long rate_osc, unsigned long rate_ckih1,
unsigned long rate_ckih2)
@@ -184,7 +249,31 @@ static void __init mx5_clocks_common_init(void __iomem *base, unsigned long rate
clks[IMX5_CLK_CPU_PODF] = imx_clk_divider("cpu_podf", "pll1_sw", base + CCM_CACRR, 0, 3);
}
+static void mx5_clocks_ipu_init(void __iomem *regs)
+{
+ clks[IMX5_CLK_IPU_SEL] = imx_clk_mux("ipu_sel", regs + CCM_CBCMR, 6, 2, ipu_sel, ARRAY_SIZE(ipu_sel));
+}
+
#ifdef CONFIG_ARCH_IMX51
+static void mx51_clocks_ipu_init(void __iomem *regs)
+{
+ clks[IMX5_CLK_IPU_DI0_SEL] = imx_clk_mux_p("ipu_di0_sel", regs + CCM_CSCMR2, 26, 3,
+ mx51_ipu_di0_sel, ARRAY_SIZE(mx51_ipu_di0_sel));
+ clks[IMX5_CLK_IPU_DI1_SEL] = imx_clk_mux_p("ipu_di1_sel", regs + CCM_CSCMR2, 29, 3,
+ mx51_ipu_di1_sel, ARRAY_SIZE(mx51_ipu_di1_sel));
+ clks[IMX5_CLK_TVE_EXT_SEL] = imx_clk_mux_p("tve_ext_sel", regs + CCM_CSCMR1, 6, 1,
+ mx51_tve_ext_sel, ARRAY_SIZE(mx51_tve_ext_sel));
+ clks[IMX5_CLK_TVE_SEL] = imx_clk_mux("tve_sel", regs + CCM_CSCMR1, 7, 1,
+ mx51_tve_sel, ARRAY_SIZE(mx51_tve_sel));
+ clks[IMX5_CLK_TVE_PRED] = imx_clk_divider("tve_pred", "pll3_sw", regs + CCM_CDCDR, 28, 3);
+
+ mx5_clocks_ipu_init(regs);
+
+ clkdev_add_physbase(clks[IMX5_CLK_IPU_SEL], MX51_IPU_BASE_ADDR, "bus");
+ clkdev_add_physbase(clks[IMX5_CLK_IPU_DI0_SEL], MX51_IPU_BASE_ADDR, "di0");
+ clkdev_add_physbase(clks[IMX5_CLK_IPU_DI1_SEL], MX51_IPU_BASE_ADDR, "di1");
+}
+
int __init mx51_clocks_init(void __iomem *regs, unsigned long rate_ckil, unsigned long rate_osc,
unsigned long rate_ckih1, unsigned long rate_ckih2)
{
@@ -212,6 +301,9 @@ int __init mx51_clocks_init(void __iomem *regs, unsigned long rate_ckil, unsigne
clkdev_add_physbase(clks[IMX5_CLK_PER_ROOT], MX51_PWM1_BASE_ADDR, "per");
clkdev_add_physbase(clks[IMX5_CLK_PER_ROOT], MX51_PWM2_BASE_ADDR, "per");
+ if (IS_ENABLED(CONFIG_DRIVER_VIDEO_IMX_IPUV3))
+ mx51_clocks_ipu_init(regs);
+
return 0;
}
@@ -248,6 +340,32 @@ core_initcall(imx51_ccm_init);
#endif
#ifdef CONFIG_ARCH_IMX53
+static void mx53_clocks_ipu_init(void __iomem *regs)
+{
+ clks[IMX5_CLK_LDB_DI1_DIV_3_5] = imx_clk_fixed_factor("ldb_di1_div_3_5", "ldb_di1_sel", 2, 7);
+ clks[IMX5_CLK_LDB_DI1_DIV] = imx_clk_divider("ldb_di1_div", "ldb_di1_div_3_5", regs + CCM_CSCMR2, 11, 1);
+ clks[IMX5_CLK_LDB_DI1_SEL] = imx_clk_mux_p("ldb_di1_sel", regs + CCM_CSCMR2, 9, 1,
+ mx53_ldb_di1_sel, ARRAY_SIZE(mx53_ldb_di1_sel));
+ clks[IMX5_CLK_DI_PLL4_PODF] = imx_clk_divider("di_pll4_podf", "pll4_sw", regs + CCM_CDCDR, 16, 3);
+ clks[IMX5_CLK_LDB_DI0_DIV_3_5] = imx_clk_fixed_factor("ldb_di0_div_3_5", "ldb_di0_sel", 2, 7);
+ clks[IMX5_CLK_LDB_DI0_DIV] = imx_clk_divider("ldb_di0_div", "ldb_di0_div_3_5", regs + CCM_CSCMR2, 10, 1);
+ clks[IMX5_CLK_LDB_DI0_SEL] = imx_clk_mux_p("ldb_di0_sel", regs + CCM_CSCMR2, 8, 1,
+ mx53_ldb_di0_sel, ARRAY_SIZE(mx53_ldb_di0_sel));
+ clks[IMX5_CLK_IPU_DI0_SEL] = imx_clk_mux_p("ipu_di0_sel", regs + CCM_CSCMR2, 26, 3,
+ mx53_ipu_di0_sel, ARRAY_SIZE(mx53_ipu_di0_sel));
+ clks[IMX5_CLK_IPU_DI1_SEL] = imx_clk_mux_p("ipu_di1_sel", regs + CCM_CSCMR2, 29, 3,
+ mx53_ipu_di1_sel, ARRAY_SIZE(mx53_ipu_di1_sel));
+ clks[IMX5_CLK_TVE_EXT_SEL] = imx_clk_mux_p("tve_ext_sel", regs + CCM_CSCMR1, 6, 1,
+ mx53_tve_ext_sel, ARRAY_SIZE(mx53_tve_ext_sel));
+ clks[IMX5_CLK_TVE_PRED] = imx_clk_divider("tve_pred", "tve_ext_sel", regs + CCM_CDCDR, 28, 3);
+
+ mx5_clocks_ipu_init(regs);
+
+ clkdev_add_physbase(clks[IMX5_CLK_IPU_SEL], MX53_IPU_BASE_ADDR, "bus");
+ clkdev_add_physbase(clks[IMX5_CLK_IPU_DI0_SEL], MX53_IPU_BASE_ADDR, "di0");
+ clkdev_add_physbase(clks[IMX5_CLK_IPU_DI1_SEL], MX53_IPU_BASE_ADDR, "di1");
+}
+
int __init mx53_clocks_init(void __iomem *regs, unsigned long rate_ckil, unsigned long rate_osc,
unsigned long rate_ckih1, unsigned long rate_ckih2)
{
@@ -277,6 +395,9 @@ int __init mx53_clocks_init(void __iomem *regs, unsigned long rate_ckil, unsigne
clkdev_add_physbase(clks[IMX5_CLK_PER_ROOT], MX53_PWM1_BASE_ADDR, "per");
clkdev_add_physbase(clks[IMX5_CLK_PER_ROOT], MX53_PWM2_BASE_ADDR, "per");
+ if (IS_ENABLED(CONFIG_DRIVER_VIDEO_IMX_IPUV3))
+ mx53_clocks_ipu_init(regs);
+
return 0;
}
diff --git a/arch/arm/mach-imx/include/mach/imx51-regs.h b/arch/arm/mach-imx/include/mach/imx51-regs.h
index 8eb74cd..b6685ce 100644
--- a/arch/arm/mach-imx/include/mach/imx51-regs.h
+++ b/arch/arm/mach-imx/include/mach/imx51-regs.h
@@ -13,6 +13,8 @@
#define MX51_IROM_BASE_ADDR 0x0
+#define MX51_IPU_BASE_ADDR 0x40000000
+
/*
* AIPS 1
*/
diff --git a/arch/arm/mach-imx/include/mach/imx53-regs.h b/arch/arm/mach-imx/include/mach/imx53-regs.h
index 473b942..9cd7723 100644
--- a/arch/arm/mach-imx/include/mach/imx53-regs.h
+++ b/arch/arm/mach-imx/include/mach/imx53-regs.h
@@ -5,6 +5,7 @@
#define MX53_SATA_BASE_ADDR 0x10000000
+#define MX53_IPU_BASE_ADDR 0x18000000
/*
* SPBA global module enabled #0
*/
--
2.0.0.rc0
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