Merge tag 'clk-microchip-6.14' of https://git.kernel.org/pub/scm/linux/kernel/git/at91/linux into clk-microchip

Pull Microchip clk driver updates from Claudiu Beznea:

 - Support for the SAMA7D65 SoC
 - Clock IDs for for the slow clock controller

* tag 'clk-microchip-6.14' of https://git.kernel.org/pub/scm/linux/kernel/git/at91/linux:
  clk: at91: sama7d65: add sama7d65 pmc driver
  dt-bindings: clock: Add SAMA7D65 PMC compatible string
  dt-bindings: clocks: atmel,at91sam9x5-sckc: add sama7d65
  clk: at91: sckc: Use SCKC_{TD, MD}_SLCK IDs for clk32k clocks
  dt-bindings: clk: at91: Add clock IDs for the slow clock controller

Documentation/devicetree/bindings/clock/atmel,at91rm9200-pmc.yaml

@@ -43,6 +43,7 @@ properties:
               - atmel,sama5d4-pmc
               - microchip,sam9x60-pmc
               - microchip,sam9x7-pmc
+              - microchip,sama7d65-pmc
               - microchip,sama7g5-pmc
           - const: syscon
 
@@ -90,6 +91,7 @@ allOf:
             enum:
               - microchip,sam9x60-pmc
               - microchip,sam9x7-pmc
+              - microchip,sama7d65-pmc
               - microchip,sama7g5-pmc
     then:
       properties:

Documentation/devicetree/bindings/clock/atmel,at91sam9x5-sckc.yaml

@@ -20,6 +20,7 @@ properties:
       - items:
           - enum:
               - microchip,sam9x7-sckc
+              - microchip,sama7d65-sckc
               - microchip,sama7g5-sckc
           - const: microchip,sam9x60-sckc
 

drivers/clk/at91/Makefile

@@ -24,4 +24,5 @@ obj-$(CONFIG_SOC_SAM9X7) += sam9x7.o
 obj-$(CONFIG_SOC_SAMA5D3) += sama5d3.o dt-compat.o
 obj-$(CONFIG_SOC_SAMA5D4) += sama5d4.o dt-compat.o
 obj-$(CONFIG_SOC_SAMA5D2) += sama5d2.o dt-compat.o
+obj-$(CONFIG_SOC_SAMA7D65) += sama7d65.o
 obj-$(CONFIG_SOC_SAMA7G5) += sama7g5.o

drivers/clk/at91/clk-master.c

@@ -20,7 +20,7 @@
 
 #define PMC_MCR_CSS_SHIFT	(16)
 
-#define MASTER_MAX_ID		4
+#define MASTER_MAX_ID		9
 
 #define to_clk_master(hw) container_of(hw, struct clk_master, hw)
 

drivers/clk/at91/clk-sam9x60-pll.c

@@ -23,7 +23,7 @@
 #define UPLL_DIV		2
 #define PLL_MUL_MAX		(FIELD_GET(PMC_PLL_CTRL1_MUL_MSK, UINT_MAX) + 1)
 
-#define PLL_MAX_ID		7
+#define PLL_MAX_ID		9
 
 struct sam9x60_pll_core {
 	struct regmap *regmap;

drivers/clk/at91/pmc.c

@@ -151,6 +151,7 @@ static struct syscore_ops pmc_syscore_ops = {
 static const struct of_device_id pmc_dt_ids[] = {
 	{ .compatible = "atmel,sama5d2-pmc" },
 	{ .compatible = "microchip,sama7g5-pmc", },
+	{ .compatible = "microchip,sama7d65-pmc", },
 	{ /* sentinel */ }
 };
 

drivers/clk/at91/sckc.c

@@ -12,6 +12,8 @@
 #include <linux/of_address.h>
 #include <linux/io.h>
 
+#include <dt-bindings/clock/at91.h>
+
 #define SLOW_CLOCK_FREQ		32768
 #define SLOWCK_SW_CYCLES	5
 #define SLOWCK_SW_TIME_USEC	((SLOWCK_SW_CYCLES * USEC_PER_SEC) / \
@@ -470,7 +472,7 @@ static void __init of_sam9x60_sckc_setup(struct device_node *np)
 {
 	void __iomem *regbase = of_iomap(np, 0);
 	struct clk_hw_onecell_data *clk_data;
-	struct clk_hw *slow_rc, *slow_osc;
+	struct clk_hw *slow_rc, *slow_osc, *hw;
 	const char *xtal_name;
 	const struct clk_hw *parent_hws[2];
 	static struct clk_parent_data parent_data = {
@@ -506,19 +508,19 @@ static void __init of_sam9x60_sckc_setup(struct device_node *np)
 
 	/* MD_SLCK and TD_SLCK. */
 	clk_data->num = 2;
-	clk_data->hws[0] = clk_hw_register_fixed_rate_parent_hw(NULL, "md_slck",
-								slow_rc,
-								0, 32768);
-	if (IS_ERR(clk_data->hws[0]))
+	hw = clk_hw_register_fixed_rate_parent_hw(NULL, "md_slck", slow_rc,
+						  0, 32768);
+	if (IS_ERR(hw))
 		goto clk_data_free;
+	clk_data->hws[SCKC_MD_SLCK] = hw;
 
 	parent_hws[0] = slow_rc;
 	parent_hws[1] = slow_osc;
-	clk_data->hws[1] = at91_clk_register_sam9x5_slow(regbase, "td_slck",
-							 parent_hws, 2,
-							 &at91sam9x60_bits);
-	if (IS_ERR(clk_data->hws[1]))
+	hw = at91_clk_register_sam9x5_slow(regbase, "td_slck", parent_hws,
+					   2, &at91sam9x60_bits);
+	if (IS_ERR(hw))
 		goto unregister_md_slck;
+	clk_data->hws[SCKC_TD_SLCK] = hw;
 
 	ret = of_clk_add_hw_provider(np, of_clk_hw_onecell_get, clk_data);
 	if (WARN_ON(ret))
@@ -527,9 +529,9 @@ static void __init of_sam9x60_sckc_setup(struct device_node *np)
 	return;
 
 unregister_td_slck:
-	at91_clk_unregister_sam9x5_slow(clk_data->hws[1]);
+	at91_clk_unregister_sam9x5_slow(clk_data->hws[SCKC_TD_SLCK]);
 unregister_md_slck:
-	clk_hw_unregister(clk_data->hws[0]);
+	clk_hw_unregister(clk_data->hws[SCKC_MD_SLCK]);
 clk_data_free:
 	kfree(clk_data);
 unregister_slow_osc:

include/dt-bindings/clock/at91.h

@@ -42,6 +42,10 @@
 #define PMC_PLLADIV2		(PMC_MAIN + 11)
 #define PMC_LVDSPLL		(PMC_MAIN + 12)
 
+/* SAMA7D65 */
+#define PMC_MCK3		(PMC_MAIN + 13)
+#define PMC_MCK5		(PMC_MAIN + 14)
+
 #ifndef AT91_PMC_MOSCS
 #define AT91_PMC_MOSCS		0		/* MOSCS Flag */
 #define AT91_PMC_LOCKA		1		/* PLLA Lock */
@@ -55,4 +59,8 @@
 #define AT91_PMC_GCKRDY		24		/* Generated Clocks */
 #endif
 
+/* Slow clock. */
+#define SCKC_MD_SLCK		0
+#define SCKC_TD_SLCK		1
+
 #endif