mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-30 10:39:04 +00:00
20402106a3
As usual these patches were extracted and rebased from the raspberry pi repo: https://github.com/raspberrypi/linux/tree/rpi-4.4.y Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
56 lines
1.7 KiB
Diff
56 lines
1.7 KiB
Diff
From fc112f40c9d15990686e0481db5bb5ed23567299 Mon Sep 17 00:00:00 2001
|
|
From: Remi Pommarel <repk@triplefau.lt>
|
|
Date: Sun, 6 Dec 2015 17:22:48 +0100
|
|
Subject: [PATCH 254/423] clk: bcm2835: Add PWM clock support
|
|
|
|
Register the pwm clock for bcm2835.
|
|
|
|
Signed-off-by: Remi Pommarel <repk@triplefau.lt>
|
|
Reviewed-by: Eric Anholt <eric@anholt.net>
|
|
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
|
|
(cherry picked from commit cfbab8fbab9c330aca963095a439c451ac97c0dd)
|
|
---
|
|
drivers/clk/bcm/clk-bcm2835.c | 13 +++++++++++++
|
|
include/dt-bindings/clock/bcm2835.h | 3 ++-
|
|
2 files changed, 15 insertions(+), 1 deletion(-)
|
|
|
|
--- a/drivers/clk/bcm/clk-bcm2835.c
|
|
+++ b/drivers/clk/bcm/clk-bcm2835.c
|
|
@@ -807,6 +807,16 @@ static const struct bcm2835_clock_data b
|
|
.frac_bits = 8,
|
|
};
|
|
|
|
+static const struct bcm2835_clock_data bcm2835_clock_pwm_data = {
|
|
+ .name = "pwm",
|
|
+ .num_mux_parents = ARRAY_SIZE(bcm2835_clock_per_parents),
|
|
+ .parents = bcm2835_clock_per_parents,
|
|
+ .ctl_reg = CM_PWMCTL,
|
|
+ .div_reg = CM_PWMDIV,
|
|
+ .int_bits = 12,
|
|
+ .frac_bits = 12,
|
|
+};
|
|
+
|
|
struct bcm2835_pll {
|
|
struct clk_hw hw;
|
|
struct bcm2835_cprman *cprman;
|
|
@@ -1601,6 +1611,9 @@ static int bcm2835_clk_probe(struct plat
|
|
cprman->regs + CM_PERIICTL, CM_GATE_BIT,
|
|
0, &cprman->regs_lock);
|
|
|
|
+ clks[BCM2835_CLOCK_PWM] =
|
|
+ bcm2835_register_clock(cprman, &bcm2835_clock_pwm_data);
|
|
+
|
|
return of_clk_add_provider(dev->of_node, of_clk_src_onecell_get,
|
|
&cprman->onecell);
|
|
}
|
|
--- a/include/dt-bindings/clock/bcm2835.h
|
|
+++ b/include/dt-bindings/clock/bcm2835.h
|
|
@@ -43,5 +43,6 @@
|
|
#define BCM2835_CLOCK_TSENS 27
|
|
#define BCM2835_CLOCK_EMMC 28
|
|
#define BCM2835_CLOCK_PERI_IMAGE 29
|
|
+#define BCM2835_CLOCK_PWM 30
|
|
|
|
-#define BCM2835_CLOCK_COUNT 30
|
|
+#define BCM2835_CLOCK_COUNT 31
|