Merge tag 'sunxi-clk-for-6.16' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into clk-allwinner

bebarino · bebarino · commit 0409ac483a81 · 2025-05-22T16:14:17.000-07:00
Pull Allwinner clk driver updates from Chen-Yu Tsai: - Add support for DE (display engine) 3.3 clocks on H616 - Add missing LVDS reset control on H616 - Do not enable by default during compile testing * tag 'sunxi-clk-for-6.16' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux: clk: sunxi-ng: ccu: add Display Engine 3.3 (DE33) support dt-bindings: allwinner: add H616 DE33 clock binding clk: sunxi-ng: h616: Add LVDS reset for LCD TCON dt-bindings: clock: sun50i-h616-ccu: Add LVDS reset clk: sunxi: Do not enable by default during compile testing clk: sunxi-ng: Do not enable by default during compile testing
diff --git a/Documentation/devicetree/bindings/clock/allwinner,sun8i-a83t-de2-clk.yaml b/Documentation/devicetree/bindings/clock/allwinner,sun8i-a83t-de2-clk.yaml
@@ -25,6 +25,7 @@ properties:
       - const: allwinner,sun50i-a64-de2-clk
       - const: allwinner,sun50i-h5-de2-clk
       - const: allwinner,sun50i-h6-de3-clk
+      - const: allwinner,sun50i-h616-de33-clk
       - items:
           - const: allwinner,sun8i-r40-de2-clk
           - const: allwinner,sun8i-h3-de2-clk
diff --git a/drivers/clk/sunxi-ng/Kconfig b/drivers/clk/sunxi-ng/Kconfig
@@ -9,123 +9,123 @@ if SUNXI_CCU
 
 config SUNIV_F1C100S_CCU
 	tristate "Support for the Allwinner newer F1C100s CCU"
-	default y
+	default ARCH_SUNXI
 	depends on MACH_SUNIV || COMPILE_TEST
 
 config SUN20I_D1_CCU
 	tristate "Support for the Allwinner D1/R528/T113 CCU"
-	default y
+	default ARCH_SUNXI
 	depends on MACH_SUN8I || RISCV || COMPILE_TEST
 
 config SUN20I_D1_R_CCU
 	tristate "Support for the Allwinner D1/R528/T113 PRCM CCU"
-	default y
+	default ARCH_SUNXI
 	depends on MACH_SUN8I || RISCV || COMPILE_TEST
 
 config SUN50I_A64_CCU
 	tristate "Support for the Allwinner A64 CCU"
-	default y
+	default ARCH_SUNXI
 	depends on ARM64 || COMPILE_TEST
 
 config SUN50I_A100_CCU
 	tristate "Support for the Allwinner A100 CCU"
-	default y
+	default ARCH_SUNXI
 	depends on ARM64 || COMPILE_TEST
 
 config SUN50I_A100_R_CCU
 	tristate "Support for the Allwinner A100 PRCM CCU"
-	default y
+	default ARCH_SUNXI
 	depends on ARM64 || COMPILE_TEST
 
 config SUN50I_H6_CCU
 	tristate "Support for the Allwinner H6 CCU"
-	default y
+	default ARCH_SUNXI
 	depends on ARM64 || COMPILE_TEST
 
 config SUN50I_H616_CCU
 	tristate "Support for the Allwinner H616 CCU"
-	default y
+	default ARCH_SUNXI
 	depends on ARM64 || COMPILE_TEST
 
 config SUN50I_H6_R_CCU
 	tristate "Support for the Allwinner H6 and H616 PRCM CCU"
-	default y
+	default ARCH_SUNXI
 	depends on ARM64 || COMPILE_TEST
 
 config SUN55I_A523_CCU
 	tristate "Support for the Allwinner A523/T527 CCU"
-	default y
+	default ARCH_SUNXI
 	depends on ARM64 || COMPILE_TEST
 
 config SUN55I_A523_R_CCU
 	tristate "Support for the Allwinner A523/T527 PRCM CCU"
-	default y
+	default ARCH_SUNXI
 	depends on ARM64 || COMPILE_TEST
 
 config SUN4I_A10_CCU
 	tristate "Support for the Allwinner A10/A20 CCU"
-	default y
+	default ARCH_SUNXI
 	depends on MACH_SUN4I || MACH_SUN7I || COMPILE_TEST
 
 config SUN5I_CCU
 	bool "Support for the Allwinner sun5i family CCM"
-	default y
+	default ARCH_SUNXI
 	depends on MACH_SUN5I || COMPILE_TEST
 	depends on SUNXI_CCU=y
 
 config SUN6I_A31_CCU
 	tristate "Support for the Allwinner A31/A31s CCU"
-	default y
+	default ARCH_SUNXI
 	depends on MACH_SUN6I || COMPILE_TEST
 
 config SUN6I_RTC_CCU
 	tristate "Support for the Allwinner H616/R329 RTC CCU"
-	default y
+	default ARCH_SUNXI
 	depends on MACH_SUN8I || ARM64 || RISCV || COMPILE_TEST
 
 config SUN8I_A23_CCU
 	tristate "Support for the Allwinner A23 CCU"
-	default y
+	default ARCH_SUNXI
 	depends on MACH_SUN8I || COMPILE_TEST
 
 config SUN8I_A33_CCU
 	tristate "Support for the Allwinner A33 CCU"
-	default y
+	default ARCH_SUNXI
 	depends on MACH_SUN8I || COMPILE_TEST
 
 config SUN8I_A83T_CCU
 	tristate "Support for the Allwinner A83T CCU"
-	default y
+	default ARCH_SUNXI
 	depends on MACH_SUN8I || COMPILE_TEST
 
 config SUN8I_H3_CCU
 	tristate "Support for the Allwinner H3 CCU"
-	default y
+	default ARCH_SUNXI
 	depends on MACH_SUN8I || ARM64 || COMPILE_TEST
 
 config SUN8I_V3S_CCU
 	tristate "Support for the Allwinner V3s CCU"
-	default y
+	default ARCH_SUNXI
 	depends on MACH_SUN8I || COMPILE_TEST
 
 config SUN8I_DE2_CCU
 	tristate "Support for the Allwinner SoCs DE2 CCU"
-	default y
+	default ARCH_SUNXI
 	depends on MACH_SUN8I || ARM64 || RISCV || COMPILE_TEST
 
 config SUN8I_R40_CCU
 	tristate "Support for the Allwinner R40 CCU"
-	default y
+	default ARCH_SUNXI
 	depends on MACH_SUN8I || COMPILE_TEST
 
 config SUN9I_A80_CCU
 	tristate "Support for the Allwinner A80 CCU"
-	default y
+	default ARCH_SUNXI
 	depends on MACH_SUN9I || COMPILE_TEST
 
 config SUN8I_R_CCU
 	tristate "Support for Allwinner SoCs' PRCM CCUs"
-	default y
+	default ARCH_SUNXI
 	depends on MACH_SUN8I || ARM64 || COMPILE_TEST
 
 endif
diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-h616.c b/drivers/clk/sunxi-ng/ccu-sun50i-h616.c
@@ -1094,6 +1094,7 @@ static const struct ccu_reset_map sun50i_h616_ccu_resets[] = {
 	[RST_BUS_TCON_LCD1]	= { 0xb7c, BIT(17) },
 	[RST_BUS_TCON_TV0]	= { 0xb9c, BIT(16) },
 	[RST_BUS_TCON_TV1]	= { 0xb9c, BIT(17) },
+	[RST_BUS_LVDS]		= { 0xbac, BIT(16) },
 	[RST_BUS_TVE_TOP]	= { 0xbbc, BIT(16) },
 	[RST_BUS_TVE0]		= { 0xbbc, BIT(17) },
 	[RST_BUS_HDCP]		= { 0xc4c, BIT(16) },
diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-de2.c b/drivers/clk/sunxi-ng/ccu-sun8i-de2.c
@@ -5,6 +5,7 @@
 
 #include <linux/clk.h>
 #include <linux/clk-provider.h>
+#include <linux/io.h>
 #include <linux/module.h>
 #include <linux/of.h>
 #include <linux/platform_device.h>
@@ -239,6 +240,16 @@ static const struct sunxi_ccu_desc sun50i_h5_de2_clk_desc = {
 	.num_resets	= ARRAY_SIZE(sun50i_h5_de2_resets),
 };
 
+static const struct sunxi_ccu_desc sun50i_h616_de33_clk_desc = {
+	.ccu_clks	= sun8i_de2_ccu_clks,
+	.num_ccu_clks	= ARRAY_SIZE(sun8i_de2_ccu_clks),
+
+	.hw_clks	= &sun8i_h3_de2_hw_clks,
+
+	.resets		= sun50i_h5_de2_resets,
+	.num_resets	= ARRAY_SIZE(sun50i_h5_de2_resets),
+};
+
 static int sunxi_de2_clk_probe(struct platform_device *pdev)
 {
 	struct clk *bus_clk, *mod_clk;
@@ -291,6 +302,16 @@ static int sunxi_de2_clk_probe(struct platform_device *pdev)
 		goto err_disable_mod_clk;
 	}
 
+	/*
+	 * The DE33 requires these additional (unknown) registers set
+	 * during initialisation.
+	 */
+	if (of_device_is_compatible(pdev->dev.of_node,
+				    "allwinner,sun50i-h616-de33-clk")) {
+		writel(0, reg + 0x24);
+		writel(0x0000a980, reg + 0x28);
+	}
+
 	ret = devm_sunxi_ccu_probe(&pdev->dev, reg, ccu_desc);
 	if (ret)
 		goto err_assert_reset;
@@ -335,6 +356,10 @@ static const struct of_device_id sunxi_de2_clk_ids[] = {
 		.compatible = "allwinner,sun50i-h6-de3-clk",
 		.data = &sun50i_h5_de2_clk_desc,
 	},
+	{
+		.compatible = "allwinner,sun50i-h616-de33-clk",
+		.data = &sun50i_h616_de33_clk_desc,
+	},
 	{ }
 };
 MODULE_DEVICE_TABLE(of, sunxi_de2_clk_ids);
diff --git a/drivers/clk/sunxi/Kconfig b/drivers/clk/sunxi/Kconfig
@@ -2,13 +2,13 @@
 menuconfig CLK_SUNXI
 	bool "Legacy clock support for Allwinner SoCs"
 	depends on (ARM && ARCH_SUNXI) || COMPILE_TEST
-	default y
+	default (ARM && ARCH_SUNXI)
 
 if CLK_SUNXI
 
 config CLK_SUNXI_CLOCKS
 	bool "Legacy clock drivers"
-	default y
+	default ARCH_SUNXI
 	help
 	  Legacy clock drivers being used on older (A10, A13, A20,
 	  A23, A31, A80) SoCs. These drivers are kept around for
@@ -19,22 +19,22 @@ config CLK_SUNXI_CLOCKS
 
 config CLK_SUNXI_PRCM_SUN6I
 	bool "Legacy A31 PRCM driver"
-	default y
+	default ARCH_SUNXI
 	help
 	  Legacy clock driver for the A31 PRCM clocks. Those are
 	  usually needed for the PMIC communication, mostly.
 
 config CLK_SUNXI_PRCM_SUN8I
 	bool "Legacy sun8i PRCM driver"
-	default y
+	default ARCH_SUNXI
 	help
 	  Legacy clock driver for the sun8i family PRCM clocks.
 	  Those are usually needed for the PMIC communication,
 	  mostly.
 
 config CLK_SUNXI_PRCM_SUN9I
 	bool "Legacy A80 PRCM driver"
-	default y
+	default ARCH_SUNXI
 	help
 	  Legacy clock driver for the A80 PRCM clocks. Those are
 	  usually needed for the PMIC communication, mostly.
diff --git a/include/dt-bindings/reset/sun50i-h616-ccu.h b/include/dt-bindings/reset/sun50i-h616-ccu.h
@@ -69,5 +69,6 @@
 #define RST_BUS_GPADC		60
 #define RST_BUS_TCON_LCD0	61
 #define RST_BUS_TCON_LCD1	62
+#define RST_BUS_LVDS		63
 
 #endif /* _DT_BINDINGS_RESET_SUN50I_H616_H_ */
