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path: root/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c
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Diffstat (limited to 'drivers/clk/sunxi-ng/ccu-sun8i-v3s.c')
-rw-r--r--drivers/clk/sunxi-ng/ccu-sun8i-v3s.c46
1 files changed, 32 insertions, 14 deletions
diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c b/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c
index fbb3529f0d3e..05595ac51b76 100644
--- a/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c
+++ b/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c
@@ -9,7 +9,7 @@
#include <linux/clk-provider.h>
#include <linux/io.h>
#include <linux/module.h>
-#include <linux/of_device.h>
+#include <linux/of.h>
#include <linux/platform_device.h>
#include "ccu_common.h"
@@ -347,12 +347,13 @@ static SUNXI_CCU_GATE(dram_ohci_clk, "dram-ohci", "dram",
static const char * const de_parents[] = { "pll-video", "pll-periph0" };
static SUNXI_CCU_M_WITH_MUX_GATE(de_clk, "de", de_parents,
- 0x104, 0, 4, 24, 2, BIT(31),
- CLK_SET_RATE_PARENT);
+ 0x104, 0, 4, 24, 3, BIT(31),
+ CLK_SET_RATE_NO_REPARENT);
-static const char * const tcon_parents[] = { "pll-video" };
+static const char * const tcon_parents[] = { "pll-video", "pll-periph0" };
static SUNXI_CCU_M_WITH_MUX_GATE(tcon_clk, "tcon", tcon_parents,
- 0x118, 0, 4, 24, 3, BIT(31), 0);
+ 0x118, 0, 4, 24, 3, BIT(31),
+ CLK_SET_RATE_NO_REPARENT);
static SUNXI_CCU_GATE(csi_misc_clk, "csi-misc", "osc24M",
0x130, BIT(31), 0);
@@ -362,11 +363,11 @@ static const char * const csi_mclk_parents[] = { "osc24M", "pll-video",
static SUNXI_CCU_M_WITH_MUX_GATE(csi0_mclk_clk, "csi0-mclk", csi_mclk_parents,
0x130, 0, 5, 8, 3, BIT(15), 0);
-static const char * const csi1_sclk_parents[] = { "pll-video", "pll-isp" };
-static SUNXI_CCU_M_WITH_MUX_GATE(csi1_sclk_clk, "csi-sclk", csi1_sclk_parents,
+static const char * const csi_sclk_parents[] = { "pll-video", "pll-isp" };
+static SUNXI_CCU_M_WITH_MUX_GATE(csi_sclk_clk, "csi-sclk", csi_sclk_parents,
0x134, 16, 4, 24, 3, BIT(31), 0);
-static SUNXI_CCU_M_WITH_MUX_GATE(csi1_mclk_clk, "csi-mclk", csi_mclk_parents,
+static SUNXI_CCU_M_WITH_MUX_GATE(csi1_mclk_clk, "csi1-mclk", csi_mclk_parents,
0x134, 0, 5, 8, 3, BIT(15), 0);
static SUNXI_CCU_M_WITH_GATE(ve_clk, "ve", "pll-ve",
@@ -452,7 +453,7 @@ static struct ccu_common *sun8i_v3s_ccu_clks[] = {
&tcon_clk.common,
&csi_misc_clk.common,
&csi0_mclk_clk.common,
- &csi1_sclk_clk.common,
+ &csi_sclk_clk.common,
&csi1_mclk_clk.common,
&ve_clk.common,
&ac_dig_clk.common,
@@ -551,7 +552,7 @@ static struct clk_hw_onecell_data sun8i_v3s_hw_clks = {
[CLK_TCON0] = &tcon_clk.common.hw,
[CLK_CSI_MISC] = &csi_misc_clk.common.hw,
[CLK_CSI0_MCLK] = &csi0_mclk_clk.common.hw,
- [CLK_CSI1_SCLK] = &csi1_sclk_clk.common.hw,
+ [CLK_CSI_SCLK] = &csi_sclk_clk.common.hw,
[CLK_CSI1_MCLK] = &csi1_mclk_clk.common.hw,
[CLK_VE] = &ve_clk.common.hw,
[CLK_AC_DIG] = &ac_dig_clk.common.hw,
@@ -633,7 +634,7 @@ static struct clk_hw_onecell_data sun8i_v3_hw_clks = {
[CLK_TCON0] = &tcon_clk.common.hw,
[CLK_CSI_MISC] = &csi_misc_clk.common.hw,
[CLK_CSI0_MCLK] = &csi0_mclk_clk.common.hw,
- [CLK_CSI1_SCLK] = &csi1_sclk_clk.common.hw,
+ [CLK_CSI_SCLK] = &csi_sclk_clk.common.hw,
[CLK_CSI1_MCLK] = &csi1_mclk_clk.common.hw,
[CLK_VE] = &ve_clk.common.hw,
[CLK_AC_DIG] = &ac_dig_clk.common.hw,
@@ -644,7 +645,7 @@ static struct clk_hw_onecell_data sun8i_v3_hw_clks = {
.num = CLK_I2S0 + 1,
};
-static struct ccu_reset_map sun8i_v3s_ccu_resets[] = {
+static const struct ccu_reset_map sun8i_v3s_ccu_resets[] = {
[RST_USB_PHY0] = { 0x0cc, BIT(0) },
[RST_MBUS] = { 0x0fc, BIT(31) },
@@ -679,7 +680,7 @@ static struct ccu_reset_map sun8i_v3s_ccu_resets[] = {
[RST_BUS_UART2] = { 0x2d8, BIT(18) },
};
-static struct ccu_reset_map sun8i_v3_ccu_resets[] = {
+static const struct ccu_reset_map sun8i_v3_ccu_resets[] = {
[RST_USB_PHY0] = { 0x0cc, BIT(0) },
[RST_MBUS] = { 0x0fc, BIT(31) },
@@ -754,6 +755,21 @@ static int sun8i_v3s_ccu_probe(struct platform_device *pdev)
val &= ~GENMASK(19, 16);
writel(val, reg + SUN8I_V3S_PLL_AUDIO_REG);
+ /*
+ * Assign the DE and TCON clock to the video PLL. Both clocks need to
+ * have the same parent for the units to work together.
+ */
+
+ val = readl(reg + de_clk.common.reg);
+ val &= ~GENMASK(de_clk.mux.shift + de_clk.mux.width - 1,
+ de_clk.mux.shift);
+ writel(val, reg + de_clk.common.reg);
+
+ val = readl(reg + tcon_clk.common.reg);
+ val &= ~GENMASK(tcon_clk.mux.shift + tcon_clk.mux.width - 1,
+ tcon_clk.mux.shift);
+ writel(val, reg + tcon_clk.common.reg);
+
return devm_sunxi_ccu_probe(&pdev->dev, reg, desc);
}
@@ -768,6 +784,7 @@ static const struct of_device_id sun8i_v3s_ccu_ids[] = {
},
{ }
};
+MODULE_DEVICE_TABLE(of, sun8i_v3s_ccu_ids);
static struct platform_driver sun8i_v3s_ccu_driver = {
.probe = sun8i_v3s_ccu_probe,
@@ -779,5 +796,6 @@ static struct platform_driver sun8i_v3s_ccu_driver = {
};
module_platform_driver(sun8i_v3s_ccu_driver);
-MODULE_IMPORT_NS(SUNXI_CCU);
+MODULE_IMPORT_NS("SUNXI_CCU");
+MODULE_DESCRIPTION("Support for the Allwinner V3s CCU");
MODULE_LICENSE("GPL");