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-rw-r--r--Documentation/devicetree/bindings/clock/actions,owl-cmu.txt7
-rw-r--r--drivers/clk/actions/Kconfig5
-rw-r--r--drivers/clk/actions/Makefile1
-rw-r--r--drivers/clk/actions/owl-pll.c2
-rw-r--r--drivers/clk/actions/owl-pll.h30
-rw-r--r--drivers/clk/actions/owl-s500.c525
-rw-r--r--drivers/clk/clk-gpio.c39
-rw-r--r--drivers/clk/clk-stm32mp1.c37
-rw-r--r--drivers/clk/qcom/clk-rcg.h5
-rw-r--r--drivers/clk/qcom/clk-rcg2.c24
-rw-r--r--drivers/clk/qcom/clk-rpmh.c146
-rw-r--r--drivers/clk/qcom/gcc-qcs404.c1
-rw-r--r--include/dt-bindings/clock/actions,s500-cmu.h78
-rw-r--r--include/dt-bindings/clock/qcom,rpmh.h1
-rw-r--r--include/dt-bindings/clock/stm32mp1-clks.h3
15 files changed, 859 insertions, 45 deletions
diff --git a/Documentation/devicetree/bindings/clock/actions,owl-cmu.txt b/Documentation/devicetree/bindings/clock/actions,owl-cmu.txt
index 2ef86ae96df8..d19885b7c73f 100644
--- a/Documentation/devicetree/bindings/clock/actions,owl-cmu.txt
+++ b/Documentation/devicetree/bindings/clock/actions,owl-cmu.txt
@@ -2,13 +2,14 @@
The Actions Semi Owl Clock Management Unit generates and supplies clock
to various controllers within the SoC. The clock binding described here is
-applicable to S900 and S700 SoC's.
+applicable to S900, S700 and S500 SoC's.
Required Properties:
- compatible: should be one of the following,
"actions,s900-cmu"
"actions,s700-cmu"
+ "actions,s500-cmu"
- reg: physical base address of the controller and length of memory mapped
region.
- clocks: Reference to the parent clocks ("hosc", "losc")
@@ -19,8 +20,8 @@ Each clock is assigned an identifier, and client nodes can use this identifier
to specify the clock which they consume.
All available clocks are defined as preprocessor macros in corresponding
-dt-bindings/clock/actions,s900-cmu.h or actions,s700-cmu.h header and can be
-used in device tree sources.
+dt-bindings/clock/actions,s900-cmu.h or actions,s700-cmu.h or
+actions,s500-cmu.h header and can be used in device tree sources.
External clocks:
diff --git a/drivers/clk/actions/Kconfig b/drivers/clk/actions/Kconfig
index 04f0a6355726..5b45ca35757e 100644
--- a/drivers/clk/actions/Kconfig
+++ b/drivers/clk/actions/Kconfig
@@ -9,6 +9,11 @@ if CLK_ACTIONS
# SoC Drivers
+config CLK_OWL_S500
+ bool "Support for the Actions Semi OWL S500 clocks"
+ depends on ARCH_ACTIONS || COMPILE_TEST
+ default ARCH_ACTIONS
+
config CLK_OWL_S700
bool "Support for the Actions Semi OWL S700 clocks"
depends on (ARM64 && ARCH_ACTIONS) || COMPILE_TEST
diff --git a/drivers/clk/actions/Makefile b/drivers/clk/actions/Makefile
index ccfdf9781cef..a2588e55c790 100644
--- a/drivers/clk/actions/Makefile
+++ b/drivers/clk/actions/Makefile
@@ -10,5 +10,6 @@ clk-owl-y += owl-pll.o
clk-owl-y += owl-reset.o
# SoC support
+obj-$(CONFIG_CLK_OWL_S500) += owl-s500.o
obj-$(CONFIG_CLK_OWL_S700) += owl-s700.o
obj-$(CONFIG_CLK_OWL_S900) += owl-s900.o
diff --git a/drivers/clk/actions/owl-pll.c b/drivers/clk/actions/owl-pll.c
index 058e06d7099f..02437bdedf4d 100644
--- a/drivers/clk/actions/owl-pll.c
+++ b/drivers/clk/actions/owl-pll.c
@@ -179,7 +179,7 @@ static int owl_pll_set_rate(struct clk_hw *hw, unsigned long rate,
regmap_write(common->regmap, pll_hw->reg, reg);
- udelay(PLL_STABILITY_WAIT_US);
+ udelay(pll_hw->delay);
return 0;
}
diff --git a/drivers/clk/actions/owl-pll.h b/drivers/clk/actions/owl-pll.h
index 0aae30abd5dc..6fb0d45bb088 100644
--- a/drivers/clk/actions/owl-pll.h
+++ b/drivers/clk/actions/owl-pll.h
@@ -13,6 +13,8 @@
#include "owl-common.h"
+#define OWL_PLL_DEF_DELAY 50
+
/* last entry should have rate = 0 */
struct clk_pll_table {
unsigned int val;
@@ -27,6 +29,7 @@ struct owl_pll_hw {
u8 width;
u8 min_mul;
u8 max_mul;
+ u8 delay;
const struct clk_pll_table *table;
};
@@ -36,7 +39,7 @@ struct owl_pll {
};
#define OWL_PLL_HW(_reg, _bfreq, _bit_idx, _shift, \
- _width, _min_mul, _max_mul, _table) \
+ _width, _min_mul, _max_mul, _delay, _table) \
{ \
.reg = _reg, \
.bfreq = _bfreq, \
@@ -45,6 +48,7 @@ struct owl_pll {
.width = _width, \
.min_mul = _min_mul, \
.max_mul = _max_mul, \
+ .delay = _delay, \
.table = _table, \
}
@@ -52,8 +56,8 @@ struct owl_pll {
_shift, _width, _min_mul, _max_mul, _table, _flags) \
struct owl_pll _struct = { \
.pll_hw = OWL_PLL_HW(_reg, _bfreq, _bit_idx, _shift, \
- _width, _min_mul, \
- _max_mul, _table), \
+ _width, _min_mul, _max_mul, \
+ OWL_PLL_DEF_DELAY, _table), \
.common = { \
.regmap = NULL, \
.hw.init = CLK_HW_INIT(_name, \
@@ -67,8 +71,23 @@ struct owl_pll {
_shift, _width, _min_mul, _max_mul, _table, _flags) \
struct owl_pll _struct = { \
.pll_hw = OWL_PLL_HW(_reg, _bfreq, _bit_idx, _shift, \
- _width, _min_mul, \
- _max_mul, _table), \
+ _width, _min_mul, _max_mul, \
+ OWL_PLL_DEF_DELAY, _table), \
+ .common = { \
+ .regmap = NULL, \
+ .hw.init = CLK_HW_INIT_NO_PARENT(_name, \
+ &owl_pll_ops, \
+ _flags), \
+ }, \
+ }
+
+#define OWL_PLL_NO_PARENT_DELAY(_struct, _name, _reg, _bfreq, _bit_idx, \
+ _shift, _width, _min_mul, _max_mul, _delay, _table, \
+ _flags) \
+ struct owl_pll _struct = { \
+ .pll_hw = OWL_PLL_HW(_reg, _bfreq, _bit_idx, _shift, \
+ _width, _min_mul, _max_mul, \
+ _delay, _table), \
.common = { \
.regmap = NULL, \
.hw.init = CLK_HW_INIT_NO_PARENT(_name, \
@@ -78,7 +97,6 @@ struct owl_pll {
}
#define mul_mask(m) ((1 << ((m)->width)) - 1)
-#define PLL_STABILITY_WAIT_US (50)
static inline struct owl_pll *hw_to_owl_pll(const struct clk_hw *hw)
{
diff --git a/drivers/clk/actions/owl-s500.c b/drivers/clk/actions/owl-s500.c
new file mode 100644
index 000000000000..e2007ac4d235
--- /dev/null
+++ b/drivers/clk/actions/owl-s500.c
@@ -0,0 +1,525 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Actions Semi Owl S500 SoC clock driver
+ *
+ * Copyright (c) 2014 Actions Semi Inc.
+ * Author: David Liu <liuwei@actions-semi.com>
+ *
+ * Copyright (c) 2018 Linaro Ltd.
+ * Author: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
+ *
+ * Copyright (c) 2018 LSI-TEC - Caninos Loucos
+ * Author: Edgar Bernardi Righi <edgar.righi@lsitec.org.br>
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/platform_device.h>
+
+#include "owl-common.h"
+#include "owl-composite.h"
+#include "owl-divider.h"
+#include "owl-factor.h"
+#include "owl-fixed-factor.h"
+#include "owl-gate.h"
+#include "owl-mux.h"
+#include "owl-pll.h"
+
+#include <dt-bindings/clock/actions,s500-cmu.h>
+
+#define CMU_COREPLL (0x0000)
+#define CMU_DEVPLL (0x0004)
+#define CMU_DDRPLL (0x0008)
+#define CMU_NANDPLL (0x000C)
+#define CMU_DISPLAYPLL (0x0010)
+#define CMU_AUDIOPLL (0x0014)
+#define CMU_TVOUTPLL (0x0018)
+#define CMU_BUSCLK (0x001C)
+#define CMU_SENSORCLK (0x0020)
+#define CMU_LCDCLK (0x0024)
+#define CMU_DSICLK (0x0028)
+#define CMU_CSICLK (0x002C)
+#define CMU_DECLK (0x0030)
+#define CMU_BISPCLK (0x0034)
+#define CMU_BUSCLK1 (0x0038)
+#define CMU_VDECLK (0x0040)
+#define CMU_VCECLK (0x0044)
+#define CMU_NANDCCLK (0x004C)
+#define CMU_SD0CLK (0x0050)
+#define CMU_SD1CLK (0x0054)
+#define CMU_SD2CLK (0x0058)
+#define CMU_UART0CLK (0x005C)
+#define CMU_UART1CLK (0x0060)
+#define CMU_UART2CLK (0x0064)
+#define CMU_PWM4CLK (0x0068)
+#define CMU_PWM5CLK (0x006C)
+#define CMU_PWM0CLK (0x0070)
+#define CMU_PWM1CLK (0x0074)
+#define CMU_PWM2CLK (0x0078)
+#define CMU_PWM3CLK (0x007C)
+#define CMU_USBPLL (0x0080)
+#define CMU_ETHERNETPLL (0x0084)
+#define CMU_CVBSPLL (0x0088)
+#define CMU_LENSCLK (0x008C)
+#define CMU_GPU3DCLK (0x0090)
+#define CMU_CORECTL (0x009C)
+#define CMU_DEVCLKEN0 (0x00A0)
+#define CMU_DEVCLKEN1 (0x00A4)
+#define CMU_DEVRST0 (0x00A8)
+#define CMU_DEVRST1 (0x00AC)
+#define CMU_UART3CLK (0x00B0)
+#define CMU_UART4CLK (0x00B4)
+#define CMU_UART5CLK (0x00B8)
+#define CMU_UART6CLK (0x00BC)
+#define CMU_SSCLK (0x00C0)
+#define CMU_DIGITALDEBUG (0x00D0)
+#define CMU_ANALOGDEBUG (0x00D4)
+#define CMU_COREPLLDEBUG (0x00D8)
+#define CMU_DEVPLLDEBUG (0x00DC)
+#define CMU_DDRPLLDEBUG (0x00E0)
+#define CMU_NANDPLLDEBUG (0x00E4)
+#define CMU_DISPLAYPLLDEBUG (0x00E8)
+#define CMU_TVOUTPLLDEBUG (0x00EC)
+#define CMU_DEEPCOLORPLLDEBUG (0x00F4)
+#define CMU_AUDIOPLL_ETHPLLDEBUG (0x00F8)
+#define CMU_CVBSPLLDEBUG (0x00FC)
+
+#define OWL_S500_COREPLL_DELAY (150)
+#define OWL_S500_DDRPLL_DELAY (63)
+#define OWL_S500_DEVPLL_DELAY (28)
+#define OWL_S500_NANDPLL_DELAY (44)
+#define OWL_S500_DISPLAYPLL_DELAY (57)
+#define OWL_S500_ETHERNETPLL_DELAY (25)
+#define OWL_S500_AUDIOPLL_DELAY (100)
+
+static const struct clk_pll_table clk_audio_pll_table[] = {
+ { 0, 45158400 }, { 1, 49152000 },
+ { 0, 0 },
+};
+
+/* pll clocks */
+static OWL_PLL_NO_PARENT_DELAY(ethernet_pll_clk, "ethernet_pll_clk", CMU_ETHERNETPLL, 500000000, 0, 0, 0, 0, 0, OWL_S500_ETHERNETPLL_DELAY, NULL, CLK_IGNORE_UNUSED);
+static OWL_PLL_NO_PARENT_DELAY(core_pll_clk, "core_pll_clk", CMU_COREPLL, 12000000, 9, 0, 8, 4, 134, OWL_S500_COREPLL_DELAY, NULL, CLK_IGNORE_UNUSED);
+static OWL_PLL_NO_PARENT_DELAY(ddr_pll_clk, "ddr_pll_clk", CMU_DDRPLL, 12000000, 8, 0, 8, 1, 67, OWL_S500_DDRPLL_DELAY, NULL, CLK_IGNORE_UNUSED);
+static OWL_PLL_NO_PARENT_DELAY(nand_pll_clk, "nand_pll_clk", CMU_NANDPLL, 6000000, 8, 0, 7, 2, 86, OWL_S500_NANDPLL_DELAY, NULL, CLK_IGNORE_UNUSED);
+static OWL_PLL_NO_PARENT_DELAY(display_pll_clk, "display_pll_clk", CMU_DISPLAYPLL, 6000000, 8, 0, 8, 2, 126, OWL_S500_DISPLAYPLL_DELAY, NULL, CLK_IGNORE_UNUSED);
+static OWL_PLL_NO_PARENT_DELAY(dev_pll_clk, "dev_pll_clk", CMU_DEVPLL, 6000000, 8, 0, 7, 8, 126, OWL_S500_DEVPLL_DELAY, NULL, CLK_IGNORE_UNUSED);
+static OWL_PLL_NO_PARENT_DELAY(audio_pll_clk, "audio_pll_clk", CMU_AUDIOPLL, 0, 4, 0, 1, 0, 0, OWL_S500_AUDIOPLL_DELAY, clk_audio_pll_table, CLK_IGNORE_UNUSED);
+
+static const char * const dev_clk_mux_p[] = { "hosc", "dev_pll_clk" };
+static const char * const bisp_clk_mux_p[] = { "display_pll_clk", "dev_clk" };
+static const char * const sensor_clk_mux_p[] = { "hosc", "bisp_clk" };
+static const char * const sd_clk_mux_p[] = { "dev_clk", "nand_pll_clk" };
+static const char * const pwm_clk_mux_p[] = { "losc", "hosc" };
+static const char * const ahbprediv_clk_mux_p[] = { "dev_clk", "display_pll_clk", "nand_pll_clk", "ddr_pll_clk" };
+static const char * const uart_clk_mux_p[] = { "hosc", "dev_pll_clk" };
+static const char * const de_clk_mux_p[] = { "display_pll_clk", "dev_clk" };
+static const char * const i2s_clk_mux_p[] = { "audio_pll_clk" };
+static const char * const hde_clk_mux_p[] = { "dev_clk", "display_pll_clk", "nand_pll_clk", "ddr_pll_clk" };
+static const char * const nand_clk_mux_p[] = { "nand_pll_clk", "display_pll_clk", "dev_clk", "ddr_pll_clk" };
+
+static struct clk_factor_table sd_factor_table[] = {
+ /* bit0 ~ 4 */
+ { 0, 1, 1 }, { 1, 1, 2 }, { 2, 1, 3 }, { 3, 1, 4 },
+ { 4, 1, 5 }, { 5, 1, 6 }, { 6, 1, 7 }, { 7, 1, 8 },
+ { 8, 1, 9 }, { 9, 1, 10 }, { 10, 1, 11 }, { 11, 1, 12 },
+ { 12, 1, 13 }, { 13, 1, 14 }, { 14, 1, 15 }, { 15, 1, 16 },
+ { 16, 1, 17 }, { 17, 1, 18 }, { 18, 1, 19 }, { 19, 1, 20 },
+ { 20, 1, 21 }, { 21, 1, 22 }, { 22, 1, 23 }, { 23, 1, 24 },
+ { 24, 1, 25 }, { 25, 1, 26 }, { 26, 1, 27 }, { 27, 1, 28 },
+ { 28, 1, 29 }, { 29, 1, 30 }, { 30, 1, 31 }, { 31, 1, 32 },
+
+ /* bit8: /128 */
+ { 256, 1, 1 * 128 }, { 257, 1, 2 * 128 }, { 258, 1, 3 * 128 }, { 259, 1, 4 * 128 },
+ { 260, 1, 5 * 128 }, { 261, 1, 6 * 128 }, { 262, 1, 7 * 128 }, { 263, 1, 8 * 128 },
+ { 264, 1, 9 * 128 }, { 265, 1, 10 * 128 }, { 266, 1, 11 * 128 }, { 267, 1, 12 * 128 },
+ { 268, 1, 13 * 128 }, { 269, 1, 14 * 128 }, { 270, 1, 15 * 128 }, { 271, 1, 16 * 128 },
+ { 272, 1, 17 * 128 }, { 273, 1, 18 * 128 }, { 274, 1, 19 * 128 }, { 275, 1, 20 * 128 },
+ { 276, 1, 21 * 128 }, { 277, 1, 22 * 128 }, { 278, 1, 23 * 128 }, { 279, 1, 24 * 128 },
+ { 280, 1, 25 * 128 }, { 281, 1, 26 * 128 }, { 282, 1, 27 * 128 }, { 283, 1, 28 * 128 },
+ { 284, 1, 29 * 128 }, { 285, 1, 30 * 128 }, { 286, 1, 31 * 128 }, { 287, 1, 32 * 128 },
+ { 0, 0, 0 },
+};
+
+static struct clk_factor_table bisp_factor_table[] = {
+ { 0, 1, 1 }, { 1, 1, 2 }, { 2, 1, 3 }, { 3, 1, 4 },
+ { 4, 1, 5 }, { 5, 1, 6 }, { 6, 1, 7 }, { 7, 1, 8 },
+ { 0, 0, 0 },
+};
+
+static struct clk_factor_table ahb_factor_table[] = {
+ { 1, 1, 2 }, { 2, 1, 3 },
+ { 0, 0, 0 },
+};
+
+static struct clk_div_table rmii_ref_div_table[] = {
+ { 0, 4 }, { 1, 10 },
+ { 0, 0 },
+};
+
+static struct clk_div_table i2s_div_table[] = {
+ { 0, 1 }, { 1, 2 }, { 2, 3 }, { 3, 4 },
+ { 4, 6 }, { 5, 8 }, { 6, 12 }, { 7, 16 },
+ { 8, 24 },
+ { 0, 0 },
+};
+
+static struct clk_div_table nand_div_table[] = {
+ { 0, 1 }, { 1, 2 }, { 2, 4 }, { 3, 6 },
+ { 4, 8 }, { 5, 10 }, { 6, 12 }, { 7, 14 },
+ { 8, 16 }, { 9, 18 }, { 10, 20 }, { 11, 22 },
+ { 0, 0 },
+};
+
+/* mux clock */
+static OWL_MUX(dev_clk, "dev_clk", dev_clk_mux_p, CMU_DEVPLL, 12, 1, CLK_SET_RATE_PARENT);
+static OWL_MUX(ahbprediv_clk, "ahbprediv_clk", ahbprediv_clk_mux_p, CMU_BUSCLK1, 8, 3, CLK_SET_RATE_PARENT);
+
+/* gate clocks */
+static OWL_GATE(spi0_clk, "spi0_clk", "ahb_clk", CMU_DEVCLKEN1, 10, 0, CLK_IGNORE_UNUSED);
+static OWL_GATE(spi1_clk, "spi1_clk", "ahb_clk", CMU_DEVCLKEN1, 11, 0, CLK_IGNORE_UNUSED);
+static OWL_GATE(spi2_clk, "spi2_clk", "ahb_clk", CMU_DEVCLKEN1, 12, 0, CLK_IGNORE_UNUSED);
+static OWL_GATE(spi3_clk, "spi3_clk", "ahb_clk", CMU_DEVCLKEN1, 13, 0, CLK_IGNORE_UNUSED);
+static OWL_GATE(timer_clk, "timer_clk", "hosc", CMU_DEVCLKEN1, 27, 0, 0);
+static OWL_GATE(hdmi_clk, "hdmi_clk", "hosc", CMU_DEVCLKEN1, 3, 0, 0);
+
+/* divider clocks */
+static OWL_DIVIDER(h_clk, "h_clk", "ahbprevdiv_clk", CMU_BUSCLK1, 12, 2, NULL, 0, 0);
+static OWL_DIVIDER(rmii_ref_clk, "rmii_ref_clk", "ethernet_pll_clk", CMU_ETHERNETPLL, 1, 1, rmii_ref_div_table, 0, 0);
+
+/* factor clocks */
+static OWL_FACTOR(ahb_clk, "ahb_clk", "h_clk", CMU_BUSCLK1, 2, 2, ahb_factor_table, 0, 0);
+static OWL_FACTOR(de1_clk, "de_clk1", "de_clk", CMU_DECLK, 0, 3, bisp_factor_table, 0, 0);
+static OWL_FACTOR(de2_clk, "de_clk2", "de_clk", CMU_DECLK, 4, 3, bisp_factor_table, 0, 0);
+
+/* composite clocks */
+static OWL_COMP_FACTOR(vce_clk, "vce_clk", hde_clk_mux_p,
+ OWL_MUX_HW(CMU_VCECLK, 4, 2),
+ OWL_GATE_HW(CMU_DEVCLKEN0, 26, 0),
+ OWL_FACTOR_HW(CMU_VCECLK, 0, 3, 0, bisp_factor_table),
+ 0);
+
+static OWL_COMP_FACTOR(vde_clk, "vde_clk", hde_clk_mux_p,
+ OWL_MUX_HW(CMU_VDECLK, 4, 2),
+ OWL_GATE_HW(CMU_DEVCLKEN0, 25, 0),
+ OWL_FACTOR_HW(CMU_VDECLK, 0, 3, 0, bisp_factor_table),
+ 0);
+
+static OWL_COMP_FACTOR(bisp_clk, "bisp_clk", bisp_clk_mux_p,
+ OWL_MUX_HW(CMU_BISPCLK, 4, 1),
+ OWL_GATE_HW(CMU_DEVCLKEN0, 14, 0),
+ OWL_FACTOR_HW(CMU_BISPCLK, 0, 3, 0, bisp_factor_table),
+ 0);
+
+static OWL_COMP_FACTOR(sensor0_clk, "sensor0_clk", sensor_clk_mux_p,
+ OWL_MUX_HW(CMU_SENSORCLK, 4, 1),
+ OWL_GATE_HW(CMU_DEVCLKEN0, 14, 0),
+ OWL_FACTOR_HW(CMU_SENSORCLK, 0, 3, 0, bisp_factor_table),
+ CLK_IGNORE_UNUSED);
+
+static OWL_COMP_FACTOR(sensor1_clk, "sensor1_clk", sensor_clk_mux_p,
+ OWL_MUX_HW(CMU_SENSORCLK, 4, 1),
+ OWL_GATE_HW(CMU_DEVCLKEN0, 14, 0),
+ OWL_FACTOR_HW(CMU_SENSORCLK, 8, 3, 0, bisp_factor_table),
+ CLK_IGNORE_UNUSED);
+
+static OWL_COMP_FACTOR(sd0_clk, "sd0_clk", sd_clk_mux_p,
+ OWL_MUX_HW(CMU_SD0CLK, 9, 1),
+ OWL_GATE_HW(CMU_DEVCLKEN0, 5, 0),
+ OWL_FACTOR_HW(CMU_SD0CLK, 0, 9, 0, sd_factor_table),
+ 0);
+
+static OWL_COMP_FACTOR(sd1_clk, "sd1_clk", sd_clk_mux_p,
+ OWL_MUX_HW(CMU_SD1CLK, 9, 1),
+ OWL_GATE_HW(CMU_DEVCLKEN0, 6, 0),
+ OWL_FACTOR_HW(CMU_SD1CLK, 0, 9, 0, sd_factor_table),
+ 0);
+
+static OWL_COMP_FACTOR(sd2_clk, "sd2_clk", sd_clk_mux_p,
+ OWL_MUX_HW(CMU_SD2CLK, 9, 1),
+ OWL_GATE_HW(CMU_DEVCLKEN0, 7, 0),
+ OWL_FACTOR_HW(CMU_SD2CLK, 0, 9, 0, sd_factor_table),
+ 0);
+
+static OWL_COMP_DIV(pwm0_clk, "pwm0_clk", pwm_clk_mux_p,
+ OWL_MUX_HW(CMU_PWM0CLK, 12, 1),
+ OWL_GATE_HW(CMU_DEVCLKEN1, 23, 0),
+ OWL_DIVIDER_HW(CMU_PWM0CLK, 0, 10, 0, NULL),
+ 0);
+
+static OWL_COMP_DIV(pwm1_clk, "pwm1_clk", pwm_clk_mux_p,
+ OWL_MUX_HW(CMU_PWM1CLK, 12, 1),
+ OWL_GATE_HW(CMU_DEVCLKEN1, 24, 0),
+ OWL_DIVIDER_HW(CMU_PWM1CLK, 0, 10, 0, NULL),
+ 0);
+
+static OWL_COMP_DIV(pwm2_clk, "pwm2_clk", pwm_clk_mux_p,
+ OWL_MUX_HW(CMU_PWM2CLK, 12, 1),
+ OWL_GATE_HW(CMU_DEVCLKEN1, 25, 0),
+ OWL_DIVIDER_HW(CMU_PWM2CLK, 0, 10, 0, NULL),
+ 0);
+
+static OWL_COMP_DIV(pwm3_clk, "pwm3_clk", pwm_clk_mux_p,
+ OWL_MUX_HW(CMU_PWM3CLK, 12, 1),
+ OWL_GATE_HW(CMU_DEVCLKEN1, 26, 0),
+ OWL_DIVIDER_HW(CMU_PWM3CLK, 0, 10, 0, NULL),
+ 0);
+
+static OWL_COMP_DIV(pwm4_clk, "pwm4_clk", pwm_clk_mux_p,
+ OWL_MUX_HW(CMU_PWM4CLK, 12, 1),
+ OWL_GATE_HW(CMU_DEVCLKEN0, 11, 0),
+ OWL_DIVIDER_HW(CMU_PWM4CLK, 0, 10, 0, NULL),
+ 0);
+
+static OWL_COMP_DIV(pwm5_clk, "pwm5_clk", pwm_clk_mux_p,
+ OWL_MUX_HW(CMU_PWM5CLK, 12, 1),
+ OWL_GATE_HW(CMU_DEVCLKEN0, 0, 0),
+ OWL_DIVIDER_HW(CMU_PWM5CLK, 0, 10, 0, NULL),
+ 0);
+
+static OWL_COMP_PASS(de_clk, "de_clk", de_clk_mux_p,
+ OWL_MUX_HW(CMU_DECLK, 12, 1),
+ OWL_GATE_HW(CMU_DEVCLKEN0, 8, 0),
+ 0);
+
+static OWL_COMP_FIXED_FACTOR(i2c0_clk, "i2c0_clk", "ethernet_pll_clk",
+ OWL_GATE_HW(CMU_DEVCLKEN1, 14, 0),
+ 1, 5, 0);
+
+static OWL_COMP_FIXED_FACTOR(i2c1_clk, "i2c1_clk", "ethernet_pll_clk",
+ OWL_GATE_HW(CMU_DEVCLKEN1, 15, 0),
+ 1, 5, 0);
+
+static OWL_COMP_FIXED_FACTOR(i2c2_clk, "i2c2_clk", "ethernet_pll_clk",
+ OWL_GATE_HW(CMU_DEVCLKEN1, 30, 0),
+ 1, 5, 0);
+
+static OWL_COMP_FIXED_FACTOR(i2c3_clk, "i2c3_clk", "ethernet_pll_clk",
+ OWL_GATE_HW(CMU_DEVCLKEN1, 31, 0),
+ 1, 5, 0);
+
+static OWL_COMP_DIV(uart0_clk, "uart0_clk", uart_clk_mux_p,
+ OWL_MUX_HW(CMU_UART0CLK, 16, 1),
+ OWL_GATE_HW(CMU_DEVCLKEN1, 6, 0),
+ OWL_DIVIDER_HW(CMU_UART1CLK, 0, 8, CLK_DIVIDER_ROUND_CLOSEST, NULL),
+ CLK_IGNORE_UNUSED);
+
+static OWL_COMP_DIV(uart1_clk, "uart1_clk", uart_clk_mux_p,
+ OWL_MUX_HW(CMU_UART1CLK, 16, 1),
+ OWL_GATE_HW(CMU_DEVCLKEN1, 7, 0),
+ OWL_DIVIDER_HW(CMU_UART1CLK, 0, 8, CLK_DIVIDER_ROUND_CLOSEST, NULL),
+ CLK_IGNORE_UNUSED);
+
+static OWL_COMP_DIV(uart2_clk, "uart2_clk", uart_clk_mux_p,
+ OWL_MUX_HW(CMU_UART2CLK, 16, 1),
+ OWL_GATE_HW(CMU_DEVCLKEN1, 8, 0),
+ OWL_DIVIDER_HW(CMU_UART1CLK, 0, 8, CLK_DIVIDER_ROUND_CLOSEST, NULL),
+ CLK_IGNORE_UNUSED);
+
+static OWL_COMP_DIV(uart3_clk, "uart3_clk", uart_clk_mux_p,
+ OWL_MUX_HW(CMU_UART3CLK, 16, 1),
+ OWL_GATE_HW(CMU_DEVCLKEN1, 19, 0),
+ OWL_DIVIDER_HW(CMU_UART1CLK, 0, 8, CLK_DIVIDER_ROUND_CLOSEST, NULL),
+ CLK_IGNORE_UNUSED);
+
+static OWL_COMP_DIV(uart4_clk, "uart4_clk", uart_clk_mux_p,
+ OWL_MUX_HW(CMU_UART4CLK, 16, 1),
+ OWL_GATE_HW(CMU_DEVCLKEN1, 20, 0),
+ OWL_DIVIDER_HW(CMU_UART1CLK, 0, 8, CLK_DIVIDER_ROUND_CLOSEST, NULL),
+ CLK_IGNORE_UNUSED);
+
+static OWL_COMP_DIV(uart5_clk, "uart5_clk", uart_clk_mux_p,
+ OWL_MUX_HW(CMU_UART5CLK, 16, 1),
+ OWL_GATE_HW(CMU_DEVCLKEN1, 21, 0),
+ OWL_DIVIDER_HW(CMU_UART1CLK, 0, 8, CLK_DIVIDER_ROUND_CLOSEST, NULL),
+ CLK_IGNORE_UNUSED);
+
+static OWL_COMP_DIV(uart6_clk, "uart6_clk", uart_clk_mux_p,
+ OWL_MUX_HW(CMU_UART6CLK, 16, 1),
+ OWL_GATE_HW(CMU_DEVCLKEN1, 18, 0),
+ OWL_DIVIDER_HW(CMU_UART1CLK, 0, 8, CLK_DIVIDER_ROUND_CLOSEST, NULL),
+ CLK_IGNORE_UNUSED);
+
+static OWL_COMP_DIV(i2srx_clk, "i2srx_clk", i2s_clk_mux_p,
+ OWL_MUX_HW(CMU_AUDIOPLL, 24, 1),
+ OWL_GATE_HW(CMU_DEVCLKEN0, 21, 0),
+ OWL_DIVIDER_HW(CMU_AUDIOPLL, 20, 4, 0, i2s_div_table),
+ 0);
+
+static OWL_COMP_DIV(i2stx_clk, "i2stx_clk", i2s_clk_mux_p,
+ OWL_MUX_HW(CMU_AUDIOPLL, 24, 1),
+ OWL_GATE_HW(CMU_DEVCLKEN0, 20, 0),
+ OWL_DIVIDER_HW(CMU_AUDIOPLL, 16, 4, 0, i2s_div_table),
+ 0);
+
+static OWL_COMP_DIV(hdmia_clk, "hdmia_clk", i2s_clk_mux_p,
+ OWL_MUX_HW(CMU_AUDIOPLL, 24, 1),
+ OWL_GATE_HW(CMU_DEVCLKEN0, 22, 0),
+ OWL_DIVIDER_HW(CMU_AUDIOPLL, 24, 4, 0, i2s_div_table),
+ 0);
+
+static OWL_COMP_DIV(spdif_clk, "spdif_clk", i2s_clk_mux_p,
+ OWL_MUX_HW(CMU_AUDIOPLL, 24, 1),
+ OWL_GATE_HW(CMU_DEVCLKEN0, 23, 0),
+ OWL_DIVIDER_HW(CMU_AUDIOPLL, 28, 4, 0, i2s_div_table),
+ 0);
+
+static OWL_COMP_DIV(nand_clk, "nand_clk", nand_clk_mux_p,
+ OWL_MUX_HW(CMU_NANDCCLK, 8, 2),
+ OWL_GATE_HW(CMU_DEVCLKEN0, 4, 0),
+ OWL_DIVIDER_HW(CMU_NANDCCLK, 0, 3, 0, nand_div_table),
+ CLK_SET_RATE_PARENT);
+
+static OWL_COMP_DIV(ecc_clk, "ecc_clk", nand_clk_mux_p,
+ OWL_MUX_HW(CMU_NANDCCLK, 8, 2),
+ OWL_GATE_HW(CMU_DEVCLKEN0, 4, 0),
+ OWL_DIVIDER_HW(CMU_NANDCCLK, 4, 3, 0, nand_div_table),
+ CLK_SET_RATE_PARENT);
+
+static struct owl_clk_common *s500_clks[] = {
+ &ethernet_pll_clk.common,
+ &core_pll_clk.common,
+ &ddr_pll_clk.common,
+ &dev_pll_clk.common,
+ &nand_pll_clk.common,
+ &audio_pll_clk.common,
+ &display_pll_clk.common,
+ &dev_clk.common,
+ &timer_clk.common,
+ &i2c0_clk.common,
+ &i2c1_clk.common,
+ &i2c2_clk.common,
+ &i2c3_clk.common,
+ &uart0_clk.common,
+ &uart1_clk.common,
+ &uart2_clk.common,
+ &uart3_clk.common,
+ &uart4_clk.common,
+ &uart5_clk.common,
+ &uart6_clk.common,
+ &pwm0_clk.common,
+ &pwm1_clk.common,
+ &pwm2_clk.common,
+ &pwm3_clk.common,
+ &pwm4_clk.common,
+ &pwm5_clk.common,
+ &sensor0_clk.common,
+ &sensor1_clk.common,
+ &sd0_clk.common,
+ &sd1_clk.common,
+ &sd2_clk.common,
+ &bisp_clk.common,
+ &ahb_clk.common,
+ &ahbprediv_clk.common,
+ &h_clk.common,
+ &spi0_clk.common,
+ &spi1_clk.common,
+ &spi2_clk.common,
+ &spi3_clk.common,
+ &rmii_ref_clk.common,
+ &de_clk.common,
+ &de1_clk.common,
+ &de2_clk.common,
+ &i2srx_clk.common,
+ &i2stx_clk.common,
+ &hdmia_clk.common,
+ &hdmi_clk.common,
+ &vce_clk.common,
+ &vde_clk.common,
+ &spdif_clk.common,
+ &nand_clk.common,
+ &ecc_clk.common,
+};
+
+static struct clk_hw_onecell_data s500_hw_clks = {
+ .hws = {
+ [CLK_ETHERNET_PLL] = &ethernet_pll_clk.common.hw,
+ [CLK_CORE_PLL] = &core_pll_clk.common.hw,
+ [CLK_DDR_PLL] = &ddr_pll_clk.common.hw,
+ [CLK_NAND_PLL] = &nand_pll_clk.common.hw,
+ [CLK_DISPLAY_PLL] = &display_pll_clk.common.hw,
+ [CLK_DEV_PLL] = &dev_pll_clk.common.hw,
+ [CLK_AUDIO_PLL] = &audio_pll_clk.common.hw,
+ [CLK_TIMER] = &timer_clk.common.hw,
+ [CLK_DEV] = &dev_clk.common.hw,
+ [CLK_DE] = &de_clk.common.hw,
+ [CLK_DE1] = &de1_clk.common.hw,
+ [CLK_DE2] = &de2_clk.common.hw,
+ [CLK_I2C0] = &i2c0_clk.common.hw,
+ [CLK_I2C1] = &i2c1_clk.common.hw,
+ [CLK_I2C2] = &i2c2_clk.common.hw,
+ [CLK_I2C3] = &i2c3_clk.common.hw,
+ [CLK_I2SRX] = &i2srx_clk.common.hw,
+ [CLK_I2STX] = &i2stx_clk.common.hw,
+ [CLK_UART0] = &uart0_clk.common.hw,
+ [CLK_UART1] = &uart1_clk.common.hw,
+ [CLK_UART2] = &uart2_clk.common.hw,
+ [CLK_UART3] = &uart3_clk.common.hw,
+ [CLK_UART4] = &uart4_clk.common.hw,
+ [CLK_UART5] = &uart5_clk.common.hw,
+ [CLK_UART6] = &uart6_clk.common.hw,
+ [CLK_PWM0] = &pwm0_clk.common.hw,
+ [CLK_PWM1] = &pwm1_clk.common.hw,
+ [CLK_PWM2] = &pwm2_clk.common.hw,
+ [CLK_PWM3] = &pwm3_clk.common.hw,
+ [CLK_PWM4] = &pwm4_clk.common.hw,
+ [CLK_PWM5] = &pwm5_clk.common.hw,
+ [CLK_SENSOR0] = &sensor0_clk.common.hw,
+ [CLK_SENSOR1] = &sensor1_clk.common.hw,
+ [CLK_SD0] = &sd0_clk.common.hw,
+ [CLK_SD1] = &sd1_clk.common.hw,
+ [CLK_SD2] = &sd2_clk.common.hw,
+ [CLK_BISP] = &bisp_clk.common.hw,
+ [CLK_SPI0] = &spi0_clk.common.hw,
+ [CLK_SPI1] = &spi1_clk.common.hw,
+ [CLK_SPI2] = &spi2_clk.common.hw,
+ [CLK_SPI3] = &spi3_clk.common.hw,
+ [CLK_AHB] = &ahb_clk.common.hw,
+ [CLK_H] = &h_clk.common.hw,
+ [CLK_AHBPREDIV] = &ahbprediv_clk.common.hw,
+ [CLK_RMII_REF] = &rmii_ref_clk.common.hw,
+ [CLK_HDMI_AUDIO] = &hdmia_clk.common.hw,
+ [CLK_HDMI] = &hdmi_clk.common.hw,
+ [CLK_VDE] = &vde_clk.common.hw,
+ [CLK_VCE] = &vce_clk.common.hw,
+ [CLK_SPDIF] = &spdif_clk.common.hw,
+ [CLK_NAND] = &nand_clk.common.hw,
+ [CLK_ECC] = &ecc_clk.common.hw,
+ },
+ .num = CLK_NR_CLKS,
+};
+
+static struct owl_clk_desc s500_clk_desc = {
+ .clks = s500_clks,
+ .num_clks = ARRAY_SIZE(s500_clks),
+
+ .hw_clks = &s500_hw_clks,
+};
+
+static int s500_clk_probe(struct platform_device *pdev)
+{
+ struct owl_clk_desc *desc;
+
+ desc = &s500_clk_desc;
+ owl_clk_regmap_init(pdev, desc);
+
+ return owl_clk_probe(&pdev->dev, desc->hw_clks);
+}
+
+static const struct of_device_id s500_clk_of_match[] = {
+ { .compatible = "actions,s500-cmu", },
+ { /* sentinel */ }
+};
+
+static struct platform_driver s500_clk_driver = {
+ .probe = s500_clk_probe,
+ .driver = {
+ .name = "s500-cmu",
+ .of_match_table = s500_clk_of_match,
+ },
+};
+
+static int __init s500_clk_init(void)
+{
+ return platform_driver_register(&s500_clk_driver);
+}
+core_initcall(s500_clk_init);
diff --git a/drivers/clk/clk-gpio.c b/drivers/clk/clk-gpio.c
index 25eed3e0251f..c2f07f0d077c 100644
--- a/drivers/clk/clk-gpio.c
+++ b/drivers/clk/clk-gpio.c
@@ -58,6 +58,35 @@ const struct clk_ops clk_gpio_gate_ops = {
};
EXPORT_SYMBOL_GPL(clk_gpio_gate_ops);
+static int clk_sleeping_gpio_gate_prepare(struct clk_hw *hw)
+{
+ struct clk_gpio *clk = to_clk_gpio(hw);
+
+ gpiod_set_value_cansleep(clk->gpiod, 1);
+
+ return 0;
+}
+
+static void clk_sleeping_gpio_gate_unprepare(struct clk_hw *hw)
+{
+ struct clk_gpio *clk = to_clk_gpio(hw);
+
+ gpiod_set_value_cansleep(clk->gpiod, 0);
+}
+
+static int clk_sleeping_gpio_gate_is_prepared(struct clk_hw *hw)
+{
+ struct clk_gpio *clk = to_clk_gpio(hw);
+
+ return gpiod_get_value_cansleep(clk->gpiod);
+}
+
+static const struct clk_ops clk_sleeping_gpio_gate_ops = {
+ .prepare = clk_sleeping_gpio_gate_prepare,
+ .unprepare = clk_sleeping_gpio_gate_unprepare,
+ .is_prepared = clk_sleeping_gpio_gate_is_prepared,
+};
+
/**
* DOC: basic clock multiplexer which can be controlled with a gpio output
* Traits of this clock:
@@ -144,10 +173,16 @@ struct clk_hw *clk_hw_register_gpio_gate(struct device *dev, const char *name,
const char *parent_name, struct gpio_desc *gpiod,
unsigned long flags)
{
+ const struct clk_ops *ops;
+
+ if (gpiod_cansleep(gpiod))
+ ops = &clk_sleeping_gpio_gate_ops;
+ else
+ ops = &clk_gpio_gate_ops;
+
return clk_register_gpio(dev, name,
(parent_name ? &parent_name : NULL),
- (parent_name ? 1 : 0), gpiod, flags,
- &clk_gpio_gate_ops);
+ (parent_name ? 1 : 0), gpiod, flags, ops);
}
EXPORT_SYMBOL_GPL(clk_hw_register_gpio_gate);
diff --git a/drivers/clk/clk-stm32mp1.c b/drivers/clk/clk-stm32mp1.c
index 6a31f7f434ce..a0ae8dc16909 100644
--- a/drivers/clk/clk-stm32mp1.c
+++ b/drivers/clk/clk-stm32mp1.c
@@ -121,7 +121,7 @@ static const char * const cpu_src[] = {
};
static const char * const axi_src[] = {
- "ck_hsi", "ck_hse", "pll2_p", "pll3_p"
+ "ck_hsi", "ck_hse", "pll2_p"
};
static const char * const per_src[] = {
@@ -225,19 +225,19 @@ static const char * const usart6_src[] = {
};
static const char * const fdcan_src[] = {
- "ck_hse", "pll3_q", "pll4_q"
+ "ck_hse", "pll3_q", "pll4_q", "pll4_r"
};
static const char * const sai_src[] = {
- "pll4_q", "pll3_q", "i2s_ckin", "ck_per"
+ "pll4_q", "pll3_q", "i2s_ckin", "ck_per", "pll3_r"
};
static const char * const sai2_src[] = {
- "pll4_q", "pll3_q", "i2s_ckin", "ck_per", "spdif_ck_symb"
+ "pll4_q", "pll3_q", "i2s_ckin", "ck_per", "spdif_ck_symb", "pll3_r"
};
static const char * const adc12_src[] = {
- "pll4_q", "ck_per"
+ "pll4_r", "ck_per", "pll3_q"
};
static const char * const dsi_src[] = {
@@ -269,7 +269,7 @@ static const struct clk_div_table axi_div_table[] = {
static const struct clk_div_table mcu_div_table[] = {
{ 0, 1 }, { 1, 2 }, { 2, 4 }, { 3, 8 },
{ 4, 16 }, { 5, 32 }, { 6, 64 }, { 7, 128 },
- { 8, 512 }, { 9, 512 }, { 10, 512}, { 11, 512 },
+ { 8, 256 }, { 9, 512 }, { 10, 512}, { 11, 512 },
{ 12, 512 }, { 13, 512 }, { 14, 512}, { 15, 512 },
{ 0 },
};
@@ -1286,10 +1286,11 @@ _clk_stm32_register_composite(struct device *dev,
MGATE_MP1(_id, _name, _parent, _flags, _mgate)
#define KCLK(_id, _name, _parents, _flags, _mgate, _mmux)\
- COMPOSITE(_id, _name, _parents, CLK_OPS_PARENT_ENABLE | _flags,\
- _MGATE_MP1(_mgate),\
- _MMUX(_mmux),\
- _NO_DIV)
+ COMPOSITE(_id, _name, _parents, CLK_OPS_PARENT_ENABLE |\
+ CLK_SET_RATE_NO_REPARENT | _flags,\
+ _MGATE_MP1(_mgate),\
+ _MMUX(_mmux),\
+ _NO_DIV)
enum {
G_SAI1,
@@ -1655,12 +1656,14 @@ static const struct stm32_mux_cfg ker_mux_cfg[M_LAST] = {
static const struct clock_config stm32mp1_clock_cfg[] = {
/* Oscillator divider */
- DIV(NO_ID, "clk-hsi-div", "clk-hsi", 0, RCC_HSICFGR, 0, 2,
- CLK_DIVIDER_READ_ONLY),
+ DIV(NO_ID, "clk-hsi-div", "clk-hsi", CLK_DIVIDER_POWER_OF_TWO,
+ RCC_HSICFGR, 0, 2, CLK_DIVIDER_READ_ONLY),
/* External / Internal Oscillators */
GATE_MP1(CK_HSE, "ck_hse", "clk-hse", 0, RCC_OCENSETR, 8, 0),
- GATE_MP1(CK_CSI, "ck_csi", "clk-csi", 0, RCC_OCENSETR, 4, 0),
+ /* ck_csi is used by IO compensation and should be critical */
+ GATE_MP1(CK_CSI, "ck_csi", "clk-csi", CLK_IS_CRITICAL,
+ RCC_OCENSETR, 4, 0),
GATE_MP1(CK_HSI, "ck_hsi", "clk-hsi-div", 0, RCC_OCENSETR, 0, 0),
GATE(CK_LSI, "ck_lsi", "clk-lsi", 0, RCC_RDLSICR, 0, 0),
GATE(CK_LSE, "ck_lse", "clk-lse", 0, RCC_BDCR, 0, 0),
@@ -1952,14 +1955,14 @@ static const struct clock_config stm32mp1_clock_cfg[] = {
MGATE_MP1(GPU_K, "gpu_k", "pll2_q", 0, G_GPU),
MGATE_MP1(DAC12_K, "dac12_k", "ck_lsi", 0, G_DAC12),
- COMPOSITE(ETHPTP_K, "ethptp_k", eth_src, CLK_OPS_PARENT_ENABLE,
+ COMPOSITE(ETHPTP_K, "ethptp_k", eth_src, CLK_OPS_PARENT_ENABLE |
+ CLK_SET_RATE_NO_REPARENT,
_NO_GATE,
_MMUX(M_ETHCK),
- _DIV(RCC_ETHCKSELR, 4, 4, CLK_DIVIDER_ALLOW_ZERO, NULL)),
+ _DIV(RCC_ETHCKSELR, 4, 4, 0, NULL)),
/* RTC clock */
- DIV(NO_ID, "ck_hse_rtc", "ck_hse", 0, RCC_RTCDIVR, 0, 7,
- CLK_DIVIDER_ALLOW_ZERO),
+ DIV(NO_ID, "ck_hse_rtc", "ck_hse", 0, RCC_RTCDIVR, 0, 6, 0),
COMPOSITE(RTC, "ck_rtc", rtc_src, CLK_OPS_PARENT_ENABLE |
CLK_SET_RATE_PARENT,
diff --git a/drivers/clk/qcom/clk-rcg.h b/drivers/clk/qcom/clk-rcg.h
index e5eca8a1abe4..c25b57c3cbc8 100644
--- a/drivers/clk/qcom/clk-rcg.h
+++ b/drivers/clk/qcom/clk-rcg.h
@@ -71,7 +71,6 @@ struct src_sel {
* @freq_tbl: frequency table
* @clkr: regmap clock handle
* @lock: register lock
- *
*/
struct clk_rcg {
u32 ns_reg;
@@ -107,7 +106,6 @@ extern const struct clk_ops clk_rcg_lcc_ops;
* @freq_tbl: frequency table
* @clkr: regmap clock handle
* @lock: register lock
- *
*/
struct clk_dyn_rcg {
u32 ns_reg[2];
@@ -140,7 +138,7 @@ extern const struct clk_ops clk_dyn_rcg_ops;
* @parent_map: map from software's parent index to hardware's src_sel field
* @freq_tbl: frequency table
* @clkr: regmap clock handle
- *
+ * @cfg_off: defines the cfg register offset from the CMD_RCGR + CFG_REG
*/
struct clk_rcg2 {
u32 cmd_rcgr;
@@ -150,6 +148,7 @@ struct clk_rcg2 {
const struct parent_map *parent_map;
const struct freq_tbl *freq_tbl;
struct clk_regmap clkr;
+ u8 cfg_off;
};
#define to_clk_rcg2(_hw) container_of(to_clk_regmap(_hw), struct clk_rcg2, clkr)
diff --git a/drivers/clk/qcom/clk-rcg2.c b/drivers/clk/qcom/clk-rcg2.c
index 6e3bd195d012..8c02bffe50df 100644
--- a/drivers/clk/qcom/clk-rcg2.c
+++ b/drivers/clk/qcom/clk-rcg2.c
@@ -41,6 +41,11 @@
#define N_REG 0xc
#define D_REG 0x10
+#define RCG_CFG_OFFSET(rcg) ((rcg)->cmd_rcgr + (rcg)->cfg_off + CFG_REG)
+#define RCG_M_OFFSET(rcg) ((rcg)->cmd_rcgr + (rcg)->cfg_off + M_REG)
+#define RCG_N_OFFSET(rcg) ((rcg)->cmd_rcgr + (rcg)->cfg_off + N_REG)
+#define RCG_D_OFFSET(rcg) ((rcg)->cmd_rcgr + (rcg)->cfg_off + D_REG)
+
/* Dynamic Frequency Scaling */
#define MAX_PERF_LEVEL 8
#define SE_CMD_DFSR_OFFSET 0x14
@@ -74,7 +79,7 @@ static u8 clk_rcg2_get_parent(struct clk_hw *hw)
u32 cfg;
int i, ret;
- ret = regmap_read(rcg->clkr.regmap, rcg->cmd_rcgr + CFG_REG, &cfg);
+ ret = regmap_read(rcg->clkr.regmap, RCG_CFG_OFFSET(rcg), &cfg);
if (ret)
goto err;
@@ -123,7 +128,7 @@ static int clk_rcg2_set_parent(struct clk_hw *hw, u8 index)
int ret;
u32 cfg = rcg->parent_map[index].cfg << CFG_SRC_SEL_SHIFT;
- ret = regmap_update_bits(rcg->clkr.regmap, rcg->cmd_rcgr + CFG_REG,
+ ret = regmap_update_bits(rcg->clkr.regmap, RCG_CFG_OFFSET(rcg),
CFG_SRC_SEL_MASK, cfg);
if (ret)
return ret;
@@ -162,13 +167,13 @@ clk_rcg2_recalc_rate(struct clk_hw *hw, unsigned long parent_rate)
struct clk_rcg2 *rcg = to_clk_rcg2(hw);
u32 cfg, hid_div, m = 0, n = 0, mode = 0, mask;
- regmap_read(rcg->clkr.regmap, rcg->cmd_rcgr + CFG_REG, &cfg);
+ regmap_read(rcg->clkr.regmap, RCG_CFG_OFFSET(rcg), &cfg);
if (rcg->mnd_width) {
mask = BIT(rcg->mnd_width) - 1;
- regmap_read(rcg->clkr.regmap, rcg->cmd_rcgr + M_REG, &m);
+ regmap_read(rcg->clkr.regmap, RCG_M_OFFSET(rcg), &m);
m &= mask;
- regmap_read(rcg->clkr.regmap, rcg->cmd_rcgr + N_REG, &n);
+ regmap_read(rcg->clkr.regmap, RCG_N_OFFSET(rcg), &n);
n = ~n;
n &= mask;
n += m;
@@ -263,17 +268,17 @@ static int __clk_rcg2_configure(struct clk_rcg2 *rcg, const struct freq_tbl *f)
if (rcg->mnd_width && f->n) {
mask = BIT(rcg->mnd_width) - 1;
ret = regmap_update_bits(rcg->clkr.regmap,
- rcg->cmd_rcgr + M_REG, mask, f->m);
+ RCG_M_OFFSET(rcg), mask, f->m);
if (ret)
return ret;
ret = regmap_update_bits(rcg->clkr.regmap,
- rcg->cmd_rcgr + N_REG, mask, ~(f->n - f->m));
+ RCG_N_OFFSET(rcg), mask, ~(f->n - f->m));
if (ret)
return ret;
ret = regmap_update_bits(rcg->clkr.regmap,
- rcg->cmd_rcgr + D_REG, mask, ~f->n);
+ RCG_D_OFFSET(rcg), mask, ~f->n);
if (ret)
return ret;
}
@@ -284,8 +289,7 @@ static int __clk_rcg2_configure(struct clk_rcg2 *rcg, const struct freq_tbl *f)
cfg |= rcg->parent_map[index].cfg << CFG_SRC_SEL_SHIFT;
if (rcg->mnd_width && f->n && (f->m != f->n))
cfg |= CFG_MODE_DUAL_EDGE;
-
- return regmap_update_bits(rcg->clkr.regmap, rcg->cmd_rcgr + CFG_REG,
+ return regmap_update_bits(rcg->clkr.regmap, RCG_CFG_OFFSET(rcg),
mask, cfg);
}
diff --git a/drivers/clk/qcom/clk-rpmh.c b/drivers/clk/qcom/clk-rpmh.c
index 9f4fc7773fb2..c3fd632af119 100644
--- a/drivers/clk/qcom/clk-rpmh.c
+++ b/drivers/clk/qcom/clk-rpmh.c
@@ -18,6 +18,31 @@
#define CLK_RPMH_ARC_EN_OFFSET 0
#define CLK_RPMH_VRM_EN_OFFSET 4
+#define BCM_TCS_CMD_COMMIT_MASK 0x40000000
+#define BCM_TCS_CMD_VALID_SHIFT 29
+#define BCM_TCS_CMD_VOTE_MASK 0x3fff
+#define BCM_TCS_CMD_VOTE_SHIFT 0
+
+#define BCM_TCS_CMD(valid, vote) \
+ (BCM_TCS_CMD_COMMIT_MASK | \
+ ((valid) << BCM_TCS_CMD_VALID_SHIFT) | \
+ ((vote & BCM_TCS_CMD_VOTE_MASK) \
+ << BCM_TCS_CMD_VOTE_SHIFT))
+
+/**
+ * struct bcm_db - Auxiliary data pertaining to each Bus Clock Manager(BCM)
+ * @unit: divisor used to convert Hz value to an RPMh msg
+ * @width: multiplier used to convert Hz value to an RPMh msg
+ * @vcd: virtual clock domain that this bcm belongs to
+ * @reserved: reserved to pad the struct
+ */
+struct bcm_db {
+ __le32 unit;
+ __le16 width;
+ u8 vcd;
+ u8 reserved;
+};
+
/**
* struct clk_rpmh - individual rpmh clock data structure
* @hw: handle between common and hardware-specific interfaces
@@ -29,6 +54,7 @@
* @aggr_state: rpmh clock aggregated state
* @last_sent_aggr_state: rpmh clock last aggr state sent to RPMh
* @valid_state_mask: mask to determine the state of the rpmh clock
+ * @unit: divisor to convert rate to rpmh msg in magnitudes of Khz
* @dev: device to which it is attached
* @peer: pointer to the clock rpmh sibling
*/
@@ -42,6 +68,7 @@ struct clk_rpmh {
u32 aggr_state;
u32 last_sent_aggr_state;
u32 valid_state_mask;
+ u32 unit;
struct device *dev;
struct clk_rpmh *peer;
};
@@ -98,6 +125,17 @@ static DEFINE_MUTEX(rpmh_clk_lock);
__DEFINE_CLK_RPMH(_platform, _name, _name_active, _res_name, \
CLK_RPMH_VRM_EN_OFFSET, 1, _div)
+#define DEFINE_CLK_RPMH_BCM(_platform, _name, _res_name) \
+ static struct clk_rpmh _platform##_##_name = { \
+ .res_name = _res_name, \
+ .valid_state_mask = BIT(RPMH_ACTIVE_ONLY_STATE), \
+ .div = 1, \
+ .hw.init = &(struct clk_init_data){ \
+ .ops = &clk_rpmh_bcm_ops, \
+ .name = #_name, \
+ }, \
+ }
+
static inline struct clk_rpmh *to_clk_rpmh(struct clk_hw *_hw)
{
return container_of(_hw, struct clk_rpmh, hw);
@@ -210,6 +248,96 @@ static const struct clk_ops clk_rpmh_ops = {
.recalc_rate = clk_rpmh_recalc_rate,
};
+static int clk_rpmh_bcm_send_cmd(struct clk_rpmh *c, bool enable)
+{
+ struct tcs_cmd cmd = { 0 };
+ u32 cmd_state;
+ int ret;
+
+ mutex_lock(&rpmh_clk_lock);
+
+ cmd_state = 0;
+ if (enable) {
+ cmd_state = 1;
+ if (c->aggr_state)
+ cmd_state = c->aggr_state;
+ }
+
+ if (c->last_sent_aggr_state == cmd_state) {
+ mutex_unlock(&rpmh_clk_lock);
+ return 0;
+ }
+
+ cmd.addr = c->res_addr;
+ cmd.data = BCM_TCS_CMD(enable, cmd_state);
+
+ ret = rpmh_write_async(c->dev, RPMH_ACTIVE_ONLY_STATE, &cmd, 1);
+ if (ret) {
+ dev_err(c->dev, "set active state of %s failed: (%d)\n",
+ c->res_name, ret);
+ mutex_unlock(&rpmh_clk_lock);
+ return ret;
+ }
+
+ c->last_sent_aggr_state = cmd_state;
+
+ mutex_unlock(&rpmh_clk_lock);
+
+ return 0;
+}
+
+static int clk_rpmh_bcm_prepare(struct clk_hw *hw)
+{
+ struct clk_rpmh *c = to_clk_rpmh(hw);
+
+ return clk_rpmh_bcm_send_cmd(c, true);
+};
+
+static void clk_rpmh_bcm_unprepare(struct clk_hw *hw)
+{
+ struct clk_rpmh *c = to_clk_rpmh(hw);
+
+ clk_rpmh_bcm_send_cmd(c, false);
+};
+
+static int clk_rpmh_bcm_set_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long parent_rate)
+{
+ struct clk_rpmh *c = to_clk_rpmh(hw);
+
+ c->aggr_state = rate / c->unit;
+ /*
+ * Since any non-zero value sent to hw would result in enabling the
+ * clock, only send the value if the clock has already been prepared.
+ */
+ if (clk_hw_is_prepared(hw))
+ clk_rpmh_bcm_send_cmd(c, true);
+
+ return 0;
+};
+
+static long clk_rpmh_round_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long *parent_rate)
+{
+ return rate;
+}
+
+static unsigned long clk_rpmh_bcm_recalc_rate(struct clk_hw *hw,
+ unsigned long prate)
+{
+ struct clk_rpmh *c = to_clk_rpmh(hw);
+
+ return c->aggr_state * c->unit;
+}
+
+static const struct clk_ops clk_rpmh_bcm_ops = {
+ .prepare = clk_rpmh_bcm_prepare,
+ .unprepare = clk_rpmh_bcm_unprepare,
+ .set_rate = clk_rpmh_bcm_set_rate,
+ .round_rate = clk_rpmh_round_rate,
+ .recalc_rate = clk_rpmh_bcm_recalc_rate,
+};
+
/* Resource name must match resource id present in cmd-db. */
DEFINE_CLK_RPMH_ARC(sdm845, bi_tcxo, bi_tcxo_ao, "xo.lvl", 0x3, 2);
DEFINE_CLK_RPMH_VRM(sdm845, ln_bb_clk2, ln_bb_clk2_ao, "lnbclka2", 2);
@@ -217,6 +345,7 @@ DEFINE_CLK_RPMH_VRM(sdm845, ln_bb_clk3, ln_bb_clk3_ao, "lnbclka3", 2);
DEFINE_CLK_RPMH_VRM(sdm845, rf_clk1, rf_clk1_ao, "rfclka1", 1);
DEFINE_CLK_RPMH_VRM(sdm845, rf_clk2, rf_clk2_ao, "rfclka2", 1);
DEFINE_CLK_RPMH_VRM(sdm845, rf_clk3, rf_clk3_ao, "rfclka3", 1);
+DEFINE_CLK_RPMH_BCM(sdm845, ipa, "IP0");
static struct clk_hw *sdm845_rpmh_clocks[] = {
[RPMH_CXO_CLK] = &sdm845_bi_tcxo.hw,
@@ -231,6 +360,7 @@ static struct clk_hw *sdm845_rpmh_clocks[] = {
[RPMH_RF_CLK2_A] = &sdm845_rf_clk2_ao.hw,
[RPMH_RF_CLK3] = &sdm845_rf_clk3.hw,
[RPMH_RF_CLK3_A] = &sdm845_rf_clk3_ao.hw,
+ [RPMH_IPA_CLK] = &sdm845_ipa.hw,
};
static const struct clk_rpmh_desc clk_rpmh_sdm845 = {
@@ -267,6 +397,8 @@ static int clk_rpmh_probe(struct platform_device *pdev)
for (i = 0; i < desc->num_clks; i++) {
u32 res_addr;
+ size_t aux_data_len;
+ const struct bcm_db *data;
rpmh_clk = to_clk_rpmh(hw_clks[i]);
res_addr = cmd_db_read_addr(rpmh_clk->res_name);
@@ -275,6 +407,20 @@ static int clk_rpmh_probe(struct platform_device *pdev)
rpmh_clk->res_name);
return -ENODEV;
}
+
+ data = cmd_db_read_aux_data(rpmh_clk->res_name, &aux_data_len);
+ if (IS_ERR(data)) {
+ ret = PTR_ERR(data);
+ dev_err(&pdev->dev,
+ "error reading RPMh aux data for %s (%d)\n",
+ rpmh_clk->res_name, ret);
+ return ret;
+ }
+
+ /* Convert unit from Khz to Hz */
+ if (aux_data_len == sizeof(*data))
+ rpmh_clk->unit = le32_to_cpu(data->unit) * 1000ULL;
+
rpmh_clk->res_addr += res_addr;
rpmh_clk->dev = &pdev->dev;
diff --git a/drivers/clk/qcom/gcc-qcs404.c b/drivers/clk/qcom/gcc-qcs404.c
index 64da032bb9ed..493e055299b4 100644
--- a/drivers/clk/qcom/gcc-qcs404.c
+++ b/drivers/clk/qcom/gcc-qcs404.c
@@ -678,6 +678,7 @@ static struct clk_rcg2 blsp1_uart3_apps_clk_src = {
.cmd_rcgr = 0x4014,
.mnd_width = 16,
.hid_width = 5,
+ .cfg_off = 0x20,
.parent_map = gcc_parent_map_0,
.freq_tbl = ftbl_blsp1_uart0_apps_clk_src,
.clkr.hw.init = &(struct clk_init_data){
diff --git a/include/dt-bindings/clock/actions,s500-cmu.h b/include/dt-bindings/clock/actions,s500-cmu.h
new file mode 100644
index 000000000000..030981cd2d56
--- /dev/null
+++ b/include/dt-bindings/clock/actions,s500-cmu.h
@@ -0,0 +1,78 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Device Tree binding constants for Actions Semi S500 Clock Management Unit
+ *
+ * Copyright (c) 2014 Actions Semi Inc.
+ * Copyright (c) 2018 LSI-TEC - Caninos Loucos
+ */
+
+#ifndef __DT_BINDINGS_CLOCK_S500_CMU_H
+#define __DT_BINDINGS_CLOCK_S500_CMU_H
+
+#define CLK_NONE 0
+
+/* fixed rate clocks */
+#define CLK_LOSC 1
+#define CLK_HOSC 2
+
+/* pll clocks */
+#define CLK_CORE_PLL 3
+#define CLK_DEV_PLL 4
+#define CLK_DDR_PLL 5
+#define CLK_NAND_PLL 6
+#define CLK_DISPLAY_PLL 7
+#define CLK_ETHERNET_PLL 8
+#define CLK_AUDIO_PLL 9
+
+/* system clock */
+#define CLK_DEV 10
+#define CLK_H 11
+#define CLK_AHBPREDIV 12
+#define CLK_AHB 13
+#define CLK_DE 14
+#define CLK_BISP 15
+#define CLK_VCE 16
+#define CLK_VDE 17
+
+/* peripheral device clock */
+#define CLK_TIMER 18
+#define CLK_I2C0 19
+#define CLK_I2C1 20
+#define CLK_I2C2 21
+#define CLK_I2C3 22
+#define CLK_PWM0 23
+#define CLK_PWM1 24
+#define CLK_PWM2 25
+#define CLK_PWM3 26
+#define CLK_PWM4 27
+#define CLK_PWM5 28
+#define CLK_SD0 29
+#define CLK_SD1 30
+#define CLK_SD2 31
+#define CLK_SENSOR0 32
+#define CLK_SENSOR1 33
+#define CLK_SPI0 34
+#define CLK_SPI1 35
+#define CLK_SPI2 36
+#define CLK_SPI3 37
+#define CLK_UART0 38
+#define CLK_UART1 39
+#define CLK_UART2 40
+#define CLK_UART3 41
+#define CLK_UART4 42
+#define CLK_UART5 43
+#define CLK_UART6 44
+#define CLK_DE1 45
+#define CLK_DE2 46
+#define CLK_I2SRX 47
+#define CLK_I2STX 48
+#define CLK_HDMI_AUDIO 49
+#define CLK_HDMI 50
+#define CLK_SPDIF 51
+#define CLK_NAND 52
+#define CLK_ECC 53
+#define CLK_RMII_REF 54
+
+#define CLK_NR_CLKS (CLK_RMII_REF + 1)
+
+#endif /* __DT_BINDINGS_CLOCK_S500_CMU_H */
diff --git a/include/dt-bindings/clock/qcom,rpmh.h b/include/dt-bindings/clock/qcom,rpmh.h
index f48fbd6f2095..edcab3f7b7d3 100644
--- a/include/dt-bindings/clock/qcom,rpmh.h
+++ b/include/dt-bindings/clock/qcom,rpmh.h
@@ -18,5 +18,6 @@
#define RPMH_RF_CLK2_A 9
#define RPMH_RF_CLK3 10
#define RPMH_RF_CLK3_A 11
+#define RPMH_IPA_CLK 12
#endif
diff --git a/include/dt-bindings/clock/stm32mp1-clks.h b/include/dt-bindings/clock/stm32mp1-clks.h
index 90ec780bfc68..4cdaf135829c 100644
--- a/include/dt-bindings/clock/stm32mp1-clks.h
+++ b/include/dt-bindings/clock/stm32mp1-clks.h
@@ -248,7 +248,4 @@
#define STM32MP1_LAST_CLK 232
-#define LTDC_K LTDC_PX
-#define ETHMAC_K ETHCK_K
-
#endif /* _DT_BINDINGS_STM32MP1_CLKS_H_ */