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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 17:35:05 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 17:39:31 +0000
commit85c675d0d09a45a135bddd15d7b385f8758c32fb (patch)
tree76267dbc9b9a130337be3640948fe397b04ac629 /drivers/clk/renesas/r9a06g032-clocks.c
parentAdding upstream version 6.6.15. (diff)
downloadlinux-85c675d0d09a45a135bddd15d7b385f8758c32fb.tar.xz
linux-85c675d0d09a45a135bddd15d7b385f8758c32fb.zip
Adding upstream version 6.7.7.upstream/6.7.7
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/clk/renesas/r9a06g032-clocks.c')
-rw-r--r--drivers/clk/renesas/r9a06g032-clocks.c69
1 files changed, 36 insertions, 33 deletions
diff --git a/drivers/clk/renesas/r9a06g032-clocks.c b/drivers/clk/renesas/r9a06g032-clocks.c
index 55db63c704..c1348e2d45 100644
--- a/drivers/clk/renesas/r9a06g032-clocks.c
+++ b/drivers/clk/renesas/r9a06g032-clocks.c
@@ -102,19 +102,22 @@ enum gate_type {
* @source: the ID+1 of the parent clock element.
* Root clock uses ID of ~0 (PARENT_ID);
* @gate: clock enable/disable
- * @div_min: smallest permitted clock divider
- * @div_max: largest permitted clock divider
- * @reg: clock divider register offset, in 32-bit words
- * @div_table: optional list of fixed clock divider values;
+ * @div: substructure for clock divider
+ * @div.min: smallest permitted clock divider
+ * @div.max: largest permitted clock divider
+ * @div.reg: clock divider register offset, in 32-bit words
+ * @div.table: optional list of fixed clock divider values;
* must be in ascending order, zero for unused
- * @div: divisor for fixed-factor clock
- * @mul: multiplier for fixed-factor clock
- * @group: UART group, 0=UART0/1/2, 1=UART3/4/5/6/7
- * @sel: select either g1/r1 or g2/r2 as clock source
- * @g1: 1st source gate (clock enable/disable)
- * @r1: 1st source reset (module reset)
- * @g2: 2nd source gate (clock enable/disable)
- * @r2: 2nd source reset (module reset)
+ * @ffc: substructure for fixed-factor clocks
+ * @ffc.div: divisor for fixed-factor clock
+ * @ffc.mul: multiplier for fixed-factor clock
+ * @dual: substructure for dual clock gates
+ * @dual.group: UART group, 0=UART0/1/2, 1=UART3/4/5/6/7
+ * @dual.sel: select either g1/r1 or g2/r2 as clock source
+ * @dual.g1: 1st source gate (clock enable/disable)
+ * @dual.r1: 1st source reset (module reset)
+ * @dual.g2: 2nd source gate (clock enable/disable)
+ * @dual.r2: 2nd source reset (module reset)
*
* Describes a single element in the clock tree hierarchy.
* As there are quite a large number of clock elements, this
@@ -131,13 +134,13 @@ struct r9a06g032_clkdesc {
struct r9a06g032_gate gate;
/* type = K_DIV */
struct {
- unsigned int div_min:10, div_max:10, reg:10;
- u16 div_table[4];
- };
+ unsigned int min:10, max:10, reg:10;
+ u16 table[4];
+ } div;
/* type = K_FFC */
struct {
u16 div, mul;
- };
+ } ffc;
/* type = K_DUALGATE */
struct {
uint16_t group:1;
@@ -178,26 +181,26 @@ struct r9a06g032_clkdesc {
.type = K_FFC, \
.index = R9A06G032_##_idx, \
.name = _n, \
- .div = _div, \
- .mul = _mul \
+ .ffc.div = _div, \
+ .ffc.mul = _mul \
}
#define D_FFC(_idx, _n, _src, _div) { \
.type = K_FFC, \
.index = R9A06G032_##_idx, \
.source = 1 + R9A06G032_##_src, \
.name = _n, \
- .div = _div, \
- .mul = 1 \
+ .ffc.div = _div, \
+ .ffc.mul = 1 \
}
#define D_DIV(_idx, _n, _src, _reg, _min, _max, ...) { \
.type = K_DIV, \
.index = R9A06G032_##_idx, \
.source = 1 + R9A06G032_##_src, \
.name = _n, \
- .reg = _reg, \
- .div_min = _min, \
- .div_max = _max, \
- .div_table = { __VA_ARGS__ } \
+ .div.reg = _reg, \
+ .div.min = _min, \
+ .div.max = _max, \
+ .div.table = { __VA_ARGS__ } \
}
#define D_UGATE(_idx, _n, _src, _g, _g1, _r1, _g2, _r2) { \
.type = K_DUALGATE, \
@@ -1063,14 +1066,14 @@ r9a06g032_register_div(struct r9a06g032_priv *clocks,
div->clocks = clocks;
div->index = desc->index;
- div->reg = desc->reg;
+ div->reg = desc->div.reg;
div->hw.init = &init;
- div->min = desc->div_min;
- div->max = desc->div_max;
+ div->min = desc->div.min;
+ div->max = desc->div.max;
/* populate (optional) divider table fixed values */
for (i = 0; i < ARRAY_SIZE(div->table) &&
- i < ARRAY_SIZE(desc->div_table) && desc->div_table[i]; i++) {
- div->table[div->table_size++] = desc->div_table[i];
+ i < ARRAY_SIZE(desc->div.table) && desc->div.table[i]; i++) {
+ div->table[div->table_size++] = desc->div.table[i];
}
clk = clk_register(NULL, &div->hw);
@@ -1269,11 +1272,10 @@ static void r9a06g032_clocks_del_clk_provider(void *data)
static void __init r9a06g032_init_h2mode(struct r9a06g032_priv *clocks)
{
- struct device_node *usbf_np = NULL;
+ struct device_node *usbf_np;
u32 usb;
- while ((usbf_np = of_find_compatible_node(usbf_np, NULL,
- "renesas,rzn1-usbf"))) {
+ for_each_compatible_node(usbf_np, NULL, "renesas,rzn1-usbf") {
if (of_device_is_available(usbf_np))
break;
}
@@ -1333,7 +1335,8 @@ static int __init r9a06g032_clocks_probe(struct platform_device *pdev)
case K_FFC:
clk = clk_register_fixed_factor(NULL, d->name,
parent_name, 0,
- d->mul, d->div);
+ d->ffc.mul,
+ d->ffc.div);
break;
case K_GATE:
clk = r9a06g032_register_gate(clocks, parent_name, d);