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-rw-r--r--Documentation/devicetree/bindings/clock/microchip,mpfs-ccc.yaml6
-rw-r--r--Documentation/devicetree/bindings/clock/microchip,mpfs-clkcfg.yaml16
-rw-r--r--drivers/clk/microchip/Kconfig4
-rw-r--r--drivers/clk/microchip/clk-core.c36
4 files changed, 34 insertions, 28 deletions
diff --git a/Documentation/devicetree/bindings/clock/microchip,mpfs-ccc.yaml b/Documentation/devicetree/bindings/clock/microchip,mpfs-ccc.yaml
index f1770360798f..9a6b50527c42 100644
--- a/Documentation/devicetree/bindings/clock/microchip,mpfs-ccc.yaml
+++ b/Documentation/devicetree/bindings/clock/microchip,mpfs-ccc.yaml
@@ -17,7 +17,11 @@ description: |
properties:
compatible:
- const: microchip,mpfs-ccc
+ oneOf:
+ - items:
+ - const: microchip,pic64gx-ccc
+ - const: microchip,mpfs-ccc
+ - const: microchip,mpfs-ccc
reg:
items:
diff --git a/Documentation/devicetree/bindings/clock/microchip,mpfs-clkcfg.yaml b/Documentation/devicetree/bindings/clock/microchip,mpfs-clkcfg.yaml
index ee4f31596d97..a23703c281d1 100644
--- a/Documentation/devicetree/bindings/clock/microchip,mpfs-clkcfg.yaml
+++ b/Documentation/devicetree/bindings/clock/microchip,mpfs-clkcfg.yaml
@@ -19,7 +19,11 @@ description: |
properties:
compatible:
- const: microchip,mpfs-clkcfg
+ oneOf:
+ - items:
+ - const: microchip,pic64gx-clkcfg
+ - const: microchip,mpfs-clkcfg
+ - const: microchip,mpfs-clkcfg
reg:
oneOf:
@@ -69,6 +73,16 @@ required:
- clocks
- '#clock-cells'
+if:
+ properties:
+ compatible:
+ contains:
+ const: microchip,pic64gx-clkcfg
+then:
+ properties:
+ reg:
+ maxItems: 1
+
additionalProperties: false
examples:
diff --git a/drivers/clk/microchip/Kconfig b/drivers/clk/microchip/Kconfig
index 1b9e43eb5497..0c03b14699bf 100644
--- a/drivers/clk/microchip/Kconfig
+++ b/drivers/clk/microchip/Kconfig
@@ -5,8 +5,8 @@ config COMMON_CLK_PIC32
config MCHP_CLK_MPFS
bool "Clk driver for PolarFire SoC"
- depends on ARCH_MICROCHIP_POLARFIRE || COMPILE_TEST
- default ARCH_MICROCHIP_POLARFIRE
+ depends on ARCH_MICROCHIP || COMPILE_TEST
+ default y
depends on MFD_SYSCON
select AUXILIARY_BUS
select REGMAP_MMIO
diff --git a/drivers/clk/microchip/clk-core.c b/drivers/clk/microchip/clk-core.c
index b34348d491f3..f467d7bc28c8 100644
--- a/drivers/clk/microchip/clk-core.c
+++ b/drivers/clk/microchip/clk-core.c
@@ -10,7 +10,6 @@
#include <linux/io.h>
#include <linux/iopoll.h>
#include <asm/mach-pic32/pic32.h>
-#include <asm/traps.h>
#include "clk-core.h"
@@ -283,14 +282,13 @@ static u8 roclk_get_parent(struct clk_hw *hw)
v = (readl(refo->ctrl_reg) >> REFO_SEL_SHIFT) & REFO_SEL_MASK;
- if (!refo->parent_map)
- return v;
-
- for (i = 0; i < clk_hw_get_num_parents(hw); i++)
- if (refo->parent_map[i] == v)
- return i;
+ if (refo->parent_map) {
+ for (i = 0; i < clk_hw_get_num_parents(hw); i++)
+ if (refo->parent_map[i] == v)
+ return i;
+ }
- return -EINVAL;
+ return v;
}
static unsigned long roclk_calc_rate(unsigned long parent_rate,
@@ -780,15 +778,6 @@ static unsigned long sclk_get_rate(struct clk_hw *hw, unsigned long parent_rate)
return parent_rate / div;
}
-static int sclk_determine_rate(struct clk_hw *hw,
- struct clk_rate_request *req)
-{
- req->rate = calc_best_divided_rate(req->rate, req->best_parent_rate,
- SLEW_SYSDIV, 1);
-
- return 0;
-}
-
static int sclk_set_rate(struct clk_hw *hw,
unsigned long rate, unsigned long parent_rate)
{
@@ -826,13 +815,13 @@ static u8 sclk_get_parent(struct clk_hw *hw)
v = (readl(sclk->mux_reg) >> OSC_CUR_SHIFT) & OSC_CUR_MASK;
- if (!sclk->parent_map)
- return v;
+ if (sclk->parent_map) {
+ for (i = 0; i < clk_hw_get_num_parents(hw); i++)
+ if (sclk->parent_map[i] == v)
+ return i;
+ }
- for (i = 0; i < clk_hw_get_num_parents(hw); i++)
- if (sclk->parent_map[i] == v)
- return i;
- return -EINVAL;
+ return v;
}
static int sclk_set_parent(struct clk_hw *hw, u8 index)
@@ -912,7 +901,6 @@ static int sclk_init(struct clk_hw *hw)
const struct clk_ops pic32_sclk_ops = {
.get_parent = sclk_get_parent,
.set_parent = sclk_set_parent,
- .determine_rate = sclk_determine_rate,
.set_rate = sclk_set_rate,
.recalc_rate = sclk_get_rate,
.init = sclk_init,