[PATCH v5 15/20] clk: bcm2835: add additional clocks
kernel at martin.sperl.org
kernel at martin.sperl.org
Sun Feb 28 07:37:06 PST 2016
From: Martin Sperl <kernel at martin.sperl.org>
Add definitions for the following clocks:
* AVE0
* DFT
* GP0
* GP1
* GP2
* PULSE
* SLIM
* SMI
* TEC
Signed-off-by: Martin Sperl <kernel at martin.sperl.org>
---
drivers/clk/bcm/clk-bcm2835.c | 71 +++++++++++++++++++++++++++++++++++
include/dt-bindings/clock/bcm2835.h | 10 +++++
2 files changed, 81 insertions(+)
diff --git a/drivers/clk/bcm/clk-bcm2835.c b/drivers/clk/bcm/clk-bcm2835.c
index ff02871..5c62672 100644
--- a/drivers/clk/bcm/clk-bcm2835.c
+++ b/drivers/clk/bcm/clk-bcm2835.c
@@ -118,6 +118,8 @@
#define CM_SDCCTL 0x1a8
#define CM_SDCDIV 0x1ac
#define CM_ARMCTL 0x1b0
+#define CM_AVEOCTL 0x1b8
+#define CM_AVEODIV 0x1bc
#define CM_EMMCCTL 0x1c0
#define CM_EMMCDIV 0x1c4
@@ -1711,6 +1713,18 @@ static const struct bcm2835_clk_desc clk_desc_array[] = {
.div_reg = CM_TSENSDIV,
.int_bits = 5,
.frac_bits = 0),
+ [BCM2835_CLOCK_PULSE] = REGISTER_OSC_CLK(
+ .name = "pulse",
+ .ctl_reg = CM_PULSECTL,
+ .div_reg = CM_PULSEDIV,
+ .int_bits = 12,
+ .frac_bits = 0),
+ [BCM2835_CLOCK_TEC] = REGISTER_OSC_CLK(
+ .name = "tec",
+ .ctl_reg = CM_TECCTL,
+ .div_reg = CM_TECDIV,
+ .int_bits = 6,
+ .frac_bits = 0),
/* clocks with vpu parent mux */
[BCM2835_CLOCK_H264] = REGISTER_VPU_CLK(
@@ -1725,6 +1739,7 @@ static const struct bcm2835_clk_desc clk_desc_array[] = {
.div_reg = CM_ISPDIV,
.int_bits = 4,
.frac_bits = 8),
+
/*
* Secondary SDRAM clock. Used for low-voltage modes when the PLL
* in the SDRAM controller can't be used.
@@ -1756,6 +1771,24 @@ static const struct bcm2835_clk_desc clk_desc_array[] = {
.is_vpu_clock = true),
/* clocks with per parent mux */
+ [BCM2835_CLOCK_AVEO] = REGISTER_PER_CLK(
+ .name = "aveo",
+ .ctl_reg = CM_AVEOCTL,
+ .div_reg = CM_AVEODIV,
+ .int_bits = 4,
+ .frac_bits = 0),
+ [BCM2835_CLOCK_DFT] = REGISTER_PER_CLK(
+ .name = "dft",
+ .ctl_reg = CM_DFTCTL,
+ .div_reg = CM_DFTDIV,
+ .int_bits = 5,
+ .frac_bits = 0),
+ [BCM2835_CLOCK_DFT] = REGISTER_PER_CLK(
+ .name = "dpi",
+ .ctl_reg = CM_DPICTL,
+ .div_reg = CM_DPIDIV,
+ .int_bits = 4,
+ .frac_bits = 8),
/* Arasan EMMC clock */
[BCM2835_CLOCK_EMMC] = REGISTER_PER_CLK(
@@ -1764,6 +1797,30 @@ static const struct bcm2835_clk_desc clk_desc_array[] = {
.div_reg = CM_EMMCDIV,
.int_bits = 4,
.frac_bits = 8),
+
+ /* General purpose (GPIO) clocks */
+ [BCM2835_CLOCK_GP0] = REGISTER_PER_CLK(
+ .name = "gp0",
+ .ctl_reg = CM_GP0CTL,
+ .div_reg = CM_GP0DIV,
+ .int_bits = 12,
+ .frac_bits = 12,
+ .is_mash_clock = true),
+ [BCM2835_CLOCK_GP1] = REGISTER_PER_CLK(
+ .name = "gp1",
+ .ctl_reg = CM_GP1CTL,
+ .div_reg = CM_GP1DIV,
+ .int_bits = 12,
+ .frac_bits = 12,
+ .is_mash_clock = true),
+ [BCM2835_CLOCK_GP2] = REGISTER_PER_CLK(
+ .name = "gp2",
+ .ctl_reg = CM_GP2CTL,
+ .div_reg = CM_GP2DIV,
+ .int_bits = 12,
+ .frac_bits = 12,
+ .is_mash_clock = true),
+
/* HDMI state machine */
[BCM2835_CLOCK_HSM] = REGISTER_PER_CLK(
.name = "hsm",
@@ -1785,12 +1842,26 @@ static const struct bcm2835_clk_desc clk_desc_array[] = {
.int_bits = 12,
.frac_bits = 12,
.is_mash_clock = true),
+ [BCM2835_CLOCK_SLIM] = REGISTER_PER_CLK(
+ .name = "slim",
+ .ctl_reg = CM_SLIMCTL,
+ .div_reg = CM_SLIMDIV,
+ .int_bits = 12,
+ .frac_bits = 12,
+ .is_mash_clock = true),
+ [BCM2835_CLOCK_SMI] = REGISTER_PER_CLK(
+ .name = "smi",
+ .ctl_reg = CM_SMICTL,
+ .div_reg = CM_SMIDIV,
+ .int_bits = 4,
+ .frac_bits = 8),
[BCM2835_CLOCK_UART] = REGISTER_PER_CLK(
.name = "uart",
.ctl_reg = CM_UARTCTL,
.div_reg = CM_UARTDIV,
.int_bits = 10,
.frac_bits = 12),
+
/* TV encoder clock. Only operating frequency is 108Mhz. */
[BCM2835_CLOCK_VEC] = REGISTER_PER_CLK(
.name = "vec",
diff --git a/include/dt-bindings/clock/bcm2835.h b/include/dt-bindings/clock/bcm2835.h
index 9689812..f2e72e7 100644
--- a/include/dt-bindings/clock/bcm2835.h
+++ b/include/dt-bindings/clock/bcm2835.h
@@ -53,3 +53,13 @@
#define BCM2835_PLLB_SP2 36
#define BCM2835_PLLD_DSI0 37
#define BCM2835_PLLD_DSI1 38
+
+#define BCM2835_CLOCK_AVEO 39
+#define BCM2835_CLOCK_DFT 40
+#define BCM2835_CLOCK_GP0 41
+#define BCM2835_CLOCK_GP1 42
+#define BCM2835_CLOCK_GP2 43
+#define BCM2835_CLOCK_PULSE 44
+#define BCM2835_CLOCK_SLIM 45
+#define BCM2835_CLOCK_SMI 46
+#define BCM2835_CLOCK_TEC 47
--
1.7.10.4
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