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authorStephen Boyd <sboyd@kernel.org>2021-02-16 14:08:51 -0800
committerStephen Boyd <sboyd@kernel.org>2021-02-16 14:08:51 -0800
commitee6b84a3fc47e01ba5e28a45c78c191da57ff86e (patch)
treec058033bf7097b3d7c450a77f6087e6e68589c06 /drivers/clk
parent0d7a660bfe79b1bb2cfed710ab159186320de7df (diff)
parentee7294ba49bf8559b560b21629ed8153082c25cf (diff)
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Merge branch 'clk-unused' into clk-next
- Remove efm32 clk driver - Remove tango4 clk driver - Remove zte zx clk driver - Remove sirf prima2/atlast clk drivers - Remove u300 clk driver * clk-unused: clk: remove u300 driver clk: remove sirf prima2/atlas drivers clk: remove zte zx driver clk: remove tango4 driver clk: Drop unused efm32gg driver
Diffstat (limited to 'drivers/clk')
-rw-r--r--drivers/clk/Makefile5
-rw-r--r--drivers/clk/clk-efm32gg.c84
-rw-r--r--drivers/clk/clk-tango4.c85
-rw-r--r--drivers/clk/clk-u300.c1199
-rw-r--r--drivers/clk/sirf/Makefile6
-rw-r--r--drivers/clk/sirf/atlas6.h32
-rw-r--r--drivers/clk/sirf/clk-atlas6.c150
-rw-r--r--drivers/clk/sirf/clk-atlas7.c1682
-rw-r--r--drivers/clk/sirf/clk-common.c1037
-rw-r--r--drivers/clk/sirf/clk-prima2.c149
-rw-r--r--drivers/clk/sirf/prima2.h26
-rw-r--r--drivers/clk/zte/Makefile4
-rw-r--r--drivers/clk/zte/clk-zx296702.c741
-rw-r--r--drivers/clk/zte/clk-zx296718.c1074
-rw-r--r--drivers/clk/zte/clk.c446
-rw-r--r--drivers/clk/zte/clk.h174
16 files changed, 0 insertions, 6894 deletions
diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile
index 074e2233f445..5325847469e9 100644
--- a/drivers/clk/Makefile
+++ b/drivers/clk/Makefile
@@ -27,7 +27,6 @@ obj-$(CONFIG_COMMON_CLK_CDCE706) += clk-cdce706.o
obj-$(CONFIG_COMMON_CLK_CDCE925) += clk-cdce925.o
obj-$(CONFIG_ARCH_CLPS711X) += clk-clps711x.o
obj-$(CONFIG_COMMON_CLK_CS2000_CP) += clk-cs2000-cp.o
-obj-$(CONFIG_ARCH_EFM32) += clk-efm32gg.o
obj-$(CONFIG_ARCH_SPARX5) += clk-sparx5.o
obj-$(CONFIG_COMMON_CLK_FIXED_MMIO) += clk-fixed-mmio.o
obj-$(CONFIG_COMMON_CLK_FSL_FLEXSPI) += clk-fsl-flexspi.o
@@ -63,9 +62,7 @@ obj-$(CONFIG_COMMON_CLK_SI570) += clk-si570.o
obj-$(CONFIG_COMMON_CLK_STM32F) += clk-stm32f4.o
obj-$(CONFIG_COMMON_CLK_STM32H7) += clk-stm32h7.o
obj-$(CONFIG_COMMON_CLK_STM32MP157) += clk-stm32mp1.o
-obj-$(CONFIG_ARCH_TANGO) += clk-tango4.o
obj-$(CONFIG_CLK_TWL6040) += clk-twl6040.o
-obj-$(CONFIG_ARCH_U300) += clk-u300.o
obj-$(CONFIG_ARCH_VT8500) += clk-vt8500.o
obj-$(CONFIG_COMMON_CLK_VC5) += clk-versaclock5.o
obj-$(CONFIG_COMMON_CLK_WM831X) += clk-wm831x.o
@@ -105,7 +102,6 @@ obj-y += renesas/
obj-$(CONFIG_ARCH_ROCKCHIP) += rockchip/
obj-$(CONFIG_COMMON_CLK_SAMSUNG) += samsung/
obj-$(CONFIG_CLK_SIFIVE) += sifive/
-obj-$(CONFIG_ARCH_SIRF) += sirf/
obj-$(CONFIG_ARCH_SOCFPGA) += socfpga/
obj-$(CONFIG_ARCH_AGILEX) += socfpga/
obj-$(CONFIG_ARCH_STRATIX10) += socfpga/
@@ -123,6 +119,5 @@ ifeq ($(CONFIG_COMMON_CLK), y)
obj-$(CONFIG_X86) += x86/
endif
obj-y += xilinx/
-obj-$(CONFIG_ARCH_ZX) += zte/
obj-$(CONFIG_ARCH_ZYNQ) += zynq/
obj-$(CONFIG_COMMON_CLK_ZYNQMP) += zynqmp/
diff --git a/drivers/clk/clk-efm32gg.c b/drivers/clk/clk-efm32gg.c
deleted file mode 100644
index 85beaacb4088..000000000000
--- a/drivers/clk/clk-efm32gg.c
+++ /dev/null
@@ -1,84 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Copyright (C) 2013 Pengutronix
- * Uwe Kleine-Koenig <u.kleine-koenig@pengutronix.de>
- */
-#include <linux/io.h>
-#include <linux/clk-provider.h>
-#include <linux/of.h>
-#include <linux/of_address.h>
-#include <linux/slab.h>
-
-#include <dt-bindings/clock/efm32-cmu.h>
-
-#define CMU_HFPERCLKEN0 0x44
-#define CMU_MAX_CLKS 37
-
-static struct clk_hw_onecell_data *clk_data;
-
-static void __init efm32gg_cmu_init(struct device_node *np)
-{
- int i;
- void __iomem *base;
- struct clk_hw **hws;
-
- clk_data = kzalloc(struct_size(clk_data, hws, CMU_MAX_CLKS),
- GFP_KERNEL);
-
- if (!clk_data)
- return;
-
- hws = clk_data->hws;
-
- for (i = 0; i < CMU_MAX_CLKS; ++i)
- hws[i] = ERR_PTR(-ENOENT);
-
- base = of_iomap(np, 0);
- if (!base) {
- pr_warn("Failed to map address range for efm32gg,cmu node\n");
- return;
- }
-
- hws[clk_HFXO] = clk_hw_register_fixed_rate(NULL, "HFXO", NULL, 0,
- 48000000);
-
- hws[clk_HFPERCLKUSART0] = clk_hw_register_gate(NULL, "HFPERCLK.USART0",
- "HFXO", 0, base + CMU_HFPERCLKEN0, 0, 0, NULL);
- hws[clk_HFPERCLKUSART1] = clk_hw_register_gate(NULL, "HFPERCLK.USART1",
- "HFXO", 0, base + CMU_HFPERCLKEN0, 1, 0, NULL);
- hws[clk_HFPERCLKUSART2] = clk_hw_register_gate(NULL, "HFPERCLK.USART2",
- "HFXO", 0, base + CMU_HFPERCLKEN0, 2, 0, NULL);
- hws[clk_HFPERCLKUART0] = clk_hw_register_gate(NULL, "HFPERCLK.UART0",
- "HFXO", 0, base + CMU_HFPERCLKEN0, 3, 0, NULL);
- hws[clk_HFPERCLKUART1] = clk_hw_register_gate(NULL, "HFPERCLK.UART1",
- "HFXO", 0, base + CMU_HFPERCLKEN0, 4, 0, NULL);
- hws[clk_HFPERCLKTIMER0] = clk_hw_register_gate(NULL, "HFPERCLK.TIMER0",
- "HFXO", 0, base + CMU_HFPERCLKEN0, 5, 0, NULL);
- hws[clk_HFPERCLKTIMER1] = clk_hw_register_gate(NULL, "HFPERCLK.TIMER1",
- "HFXO", 0, base + CMU_HFPERCLKEN0, 6, 0, NULL);
- hws[clk_HFPERCLKTIMER2] = clk_hw_register_gate(NULL, "HFPERCLK.TIMER2",
- "HFXO", 0, base + CMU_HFPERCLKEN0, 7, 0, NULL);
- hws[clk_HFPERCLKTIMER3] = clk_hw_register_gate(NULL, "HFPERCLK.TIMER3",
- "HFXO", 0, base + CMU_HFPERCLKEN0, 8, 0, NULL);
- hws[clk_HFPERCLKACMP0] = clk_hw_register_gate(NULL, "HFPERCLK.ACMP0",
- "HFXO", 0, base + CMU_HFPERCLKEN0, 9, 0, NULL);
- hws[clk_HFPERCLKACMP1] = clk_hw_register_gate(NULL, "HFPERCLK.ACMP1",
- "HFXO", 0, base + CMU_HFPERCLKEN0, 10, 0, NULL);
- hws[clk_HFPERCLKI2C0] = clk_hw_register_gate(NULL, "HFPERCLK.I2C0",
- "HFXO", 0, base + CMU_HFPERCLKEN0, 11, 0, NULL);
- hws[clk_HFPERCLKI2C1] = clk_hw_register_gate(NULL, "HFPERCLK.I2C1",
- "HFXO", 0, base + CMU_HFPERCLKEN0, 12, 0, NULL);
- hws[clk_HFPERCLKGPIO] = clk_hw_register_gate(NULL, "HFPERCLK.GPIO",
- "HFXO", 0, base + CMU_HFPERCLKEN0, 13, 0, NULL);
- hws[clk_HFPERCLKVCMP] = clk_hw_register_gate(NULL, "HFPERCLK.VCMP",
- "HFXO", 0, base + CMU_HFPERCLKEN0, 14, 0, NULL);
- hws[clk_HFPERCLKPRS] = clk_hw_register_gate(NULL, "HFPERCLK.PRS",
- "HFXO", 0, base + CMU_HFPERCLKEN0, 15, 0, NULL);
- hws[clk_HFPERCLKADC0] = clk_hw_register_gate(NULL, "HFPERCLK.ADC0",
- "HFXO", 0, base + CMU_HFPERCLKEN0, 16, 0, NULL);
- hws[clk_HFPERCLKDAC0] = clk_hw_register_gate(NULL, "HFPERCLK.DAC0",
- "HFXO", 0, base + CMU_HFPERCLKEN0, 17, 0, NULL);
-
- of_clk_add_hw_provider(np, of_clk_hw_onecell_get, clk_data);
-}
-CLK_OF_DECLARE(efm32ggcmu, "efm32gg,cmu", efm32gg_cmu_init);
diff --git a/drivers/clk/clk-tango4.c b/drivers/clk/clk-tango4.c
deleted file mode 100644
index fe12a43f7a40..000000000000
--- a/drivers/clk/clk-tango4.c
+++ /dev/null
@@ -1,85 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-#include <linux/kernel.h>
-#include <linux/clk-provider.h>
-#include <linux/of_address.h>
-#include <linux/init.h>
-#include <linux/io.h>
-
-#define CLK_COUNT 4 /* cpu_clk, sys_clk, usb_clk, sdio_clk */
-static struct clk *clks[CLK_COUNT];
-static struct clk_onecell_data clk_data = { clks, CLK_COUNT };
-
-#define SYSCLK_DIV 0x20
-#define CPUCLK_DIV 0x24
-#define DIV_BYPASS BIT(23)
-
-/*** CLKGEN_PLL ***/
-#define extract_pll_n(val) ((val >> 0) & ((1u << 7) - 1))
-#define extract_pll_k(val) ((val >> 13) & ((1u << 3) - 1))
-#define extract_pll_m(val) ((val >> 16) & ((1u << 3) - 1))
-#define extract_pll_isel(val) ((val >> 24) & ((1u << 3) - 1))
-
-static void __init make_pll(int idx, const char *parent, void __iomem *base)
-{
- char name[8];
- u32 val, mul, div;
-
- sprintf(name, "pll%d", idx);
- val = readl(base + idx * 8);
- mul = extract_pll_n(val) + 1;
- div = (extract_pll_m(val) + 1) << extract_pll_k(val);
- clk_register_fixed_factor(NULL, name, parent, 0, mul, div);
- if (extract_pll_isel(val) != 1)
- panic("%s: input not set to XTAL_IN\n", name);
-}
-
-static void __init make_cd(int idx, void __iomem *base)
-{
- char name[8];
- u32 val, mul, div;
-
- sprintf(name, "cd%d", idx);
- val = readl(base + idx * 8);
- mul = 1 << 27;
- div = (2 << 27) + val;
- clk_register_fixed_factor(NULL, name, "pll2", 0, mul, div);
- if (val > 0xf0000000)
- panic("%s: unsupported divider %x\n", name, val);
-}
-
-static void __init tango4_clkgen_setup(struct device_node *np)
-{
- struct clk **pp = clk_data.clks;
- void __iomem *base = of_iomap(np, 0);
- const char *parent = of_clk_get_parent_name(np, 0);
-
- if (!base)
- panic("%pOFn: invalid address\n", np);
-
- if (readl(base + CPUCLK_DIV) & DIV_BYPASS)
- panic("%pOFn: unsupported cpuclk setup\n", np);
-
- if (readl(base + SYSCLK_DIV) & DIV_BYPASS)
- panic("%pOFn: unsupported sysclk setup\n", np);
-
- writel(0x100, base + CPUCLK_DIV); /* disable frequency ramping */
-
- make_pll(0, parent, base);
- make_pll(1, parent, base);
- make_pll(2, parent, base);
- make_cd(2, base + 0x80);
- make_cd(6, base + 0x80);
-
- pp[0] = clk_register_divider(NULL, "cpu_clk", "pll0", 0,
- base + CPUCLK_DIV, 8, 8, CLK_DIVIDER_ONE_BASED, NULL);
- pp[1] = clk_register_fixed_factor(NULL, "sys_clk", "pll1", 0, 1, 4);
- pp[2] = clk_register_fixed_factor(NULL, "usb_clk", "cd2", 0, 1, 2);
- pp[3] = clk_register_fixed_factor(NULL, "sdio_clk", "cd6", 0, 1, 2);
-
- if (IS_ERR(pp[0]) || IS_ERR(pp[1]) || IS_ERR(pp[2]) || IS_ERR(pp[3]))
- panic("%pOFn: clk registration failed\n", np);
-
- if (of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data))
- panic("%pOFn: clk provider registration failed\n", np);
-}
-CLK_OF_DECLARE(tango4_clkgen, "sigma,tango4-clkgen", tango4_clkgen_setup);
diff --git a/drivers/clk/clk-u300.c b/drivers/clk/clk-u300.c
deleted file mode 100644
index e228c07c4c6e..000000000000
--- a/drivers/clk/clk-u300.c
+++ /dev/null
@@ -1,1199 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * U300 clock implementation
- * Copyright (C) 2007-2012 ST-Ericsson AB
- * Author: Linus Walleij <linus.walleij@stericsson.com>
- * Author: Jonas Aaberg <jonas.aberg@stericsson.com>
- */
-#include <linux/clkdev.h>
-#include <linux/slab.h>
-#include <linux/err.h>
-#include <linux/io.h>
-#include <linux/clk-provider.h>
-#include <linux/spinlock.h>
-#include <linux/of.h>
-#include <linux/platform_data/clk-u300.h>
-
-/* APP side SYSCON registers */
-/* CLK Control Register 16bit (R/W) */
-#define U300_SYSCON_CCR (0x0000)
-#define U300_SYSCON_CCR_I2S1_USE_VCXO (0x0040)
-#define U300_SYSCON_CCR_I2S0_USE_VCXO (0x0020)
-#define U300_SYSCON_CCR_TURN_VCXO_ON (0x0008)
-#define U300_SYSCON_CCR_CLKING_PERFORMANCE_MASK (0x0007)
-#define U300_SYSCON_CCR_CLKING_PERFORMANCE_LOW_POWER (0x04)
-#define U300_SYSCON_CCR_CLKING_PERFORMANCE_LOW (0x03)
-#define U300_SYSCON_CCR_CLKING_PERFORMANCE_INTERMEDIATE (0x02)
-#define U300_SYSCON_CCR_CLKING_PERFORMANCE_HIGH (0x01)
-#define U300_SYSCON_CCR_CLKING_PERFORMANCE_BEST (0x00)
-/* CLK Status Register 16bit (R/W) */
-#define U300_SYSCON_CSR (0x0004)
-#define U300_SYSCON_CSR_PLL208_LOCK_IND (0x0002)
-#define U300_SYSCON_CSR_PLL13_LOCK_IND (0x0001)
-/* Reset lines for SLOW devices 16bit (R/W) */
-#define U300_SYSCON_RSR (0x0014)
-#define U300_SYSCON_RSR_PPM_RESET_EN (0x0200)
-#define U300_SYSCON_RSR_ACC_TMR_RESET_EN (0x0100)
-#define U300_SYSCON_RSR_APP_TMR_RESET_EN (0x0080)
-#define U300_SYSCON_RSR_RTC_RESET_EN (0x0040)
-#define U300_SYSCON_RSR_KEYPAD_RESET_EN (0x0020)
-#define U300_SYSCON_RSR_GPIO_RESET_EN (0x0010)
-#define U300_SYSCON_RSR_EH_RESET_EN (0x0008)
-#define U300_SYSCON_RSR_BTR_RESET_EN (0x0004)
-#define U300_SYSCON_RSR_UART_RESET_EN (0x0002)
-#define U300_SYSCON_RSR_SLOW_BRIDGE_RESET_EN (0x0001)
-/* Reset lines for FAST devices 16bit (R/W) */
-#define U300_SYSCON_RFR (0x0018)
-#define U300_SYSCON_RFR_UART1_RESET_ENABLE (0x0080)
-#define U300_SYSCON_RFR_SPI_RESET_ENABLE (0x0040)
-#define U300_SYSCON_RFR_MMC_RESET_ENABLE (0x0020)
-#define U300_SYSCON_RFR_PCM_I2S1_RESET_ENABLE (0x0010)
-#define U300_SYSCON_RFR_PCM_I2S0_RESET_ENABLE (0x0008)
-#define U300_SYSCON_RFR_I2C1_RESET_ENABLE (0x0004)
-#define U300_SYSCON_RFR_I2C0_RESET_ENABLE (0x0002)
-#define U300_SYSCON_RFR_FAST_BRIDGE_RESET_ENABLE (0x0001)
-/* Reset lines for the rest of the peripherals 16bit (R/W) */
-#define U300_SYSCON_RRR (0x001c)
-#define U300_SYSCON_RRR_CDS_RESET_EN (0x4000)
-#define U300_SYSCON_RRR_ISP_RESET_EN (0x2000)
-#define U300_SYSCON_RRR_INTCON_RESET_EN (0x1000)
-#define U300_SYSCON_RRR_MSPRO_RESET_EN (0x0800)
-#define U300_SYSCON_RRR_XGAM_RESET_EN (0x0100)
-#define U300_SYSCON_RRR_XGAM_VC_SYNC_RESET_EN (0x0080)
-#define U300_SYSCON_RRR_NANDIF_RESET_EN (0x0040)
-#define U300_SYSCON_RRR_EMIF_RESET_EN (0x0020)
-#define U300_SYSCON_RRR_DMAC_RESET_EN (0x0010)
-#define U300_SYSCON_RRR_CPU_RESET_EN (0x0008)
-#define U300_SYSCON_RRR_APEX_RESET_EN (0x0004)
-#define U300_SYSCON_RRR_AHB_RESET_EN (0x0002)
-#define U300_SYSCON_RRR_AAIF_RESET_EN (0x0001)
-/* Clock enable for SLOW peripherals 16bit (R/W) */
-#define U300_SYSCON_CESR (0x0020)
-#define U300_SYSCON_CESR_PPM_CLK_EN (0x0200)
-#define U300_SYSCON_CESR_ACC_TMR_CLK_EN (0x0100)
-#define U300_SYSCON_CESR_APP_TMR_CLK_EN (0x0080)
-#define U300_SYSCON_CESR_KEYPAD_CLK_EN (0x0040)
-#define U300_SYSCON_CESR_GPIO_CLK_EN (0x0010)
-#define U300_SYSCON_CESR_EH_CLK_EN (0x0008)
-#define U300_SYSCON_CESR_BTR_CLK_EN (0x0004)
-#define U300_SYSCON_CESR_UART_CLK_EN (0x0002)
-#define U300_SYSCON_CESR_SLOW_BRIDGE_CLK_EN (0x0001)
-/* Clock enable for FAST peripherals 16bit (R/W) */
-#define U300_SYSCON_CEFR (0x0024)
-#define U300_SYSCON_CEFR_UART1_CLK_EN (0x0200)
-#define U300_SYSCON_CEFR_I2S1_CORE_CLK_EN (0x0100)
-#define U300_SYSCON_CEFR_I2S0_CORE_CLK_EN (0x0080)
-#define U300_SYSCON_CEFR_SPI_CLK_EN (0x0040)
-#define U300_SYSCON_CEFR_MMC_CLK_EN (0x0020)
-#define U300_SYSCON_CEFR_I2S1_CLK_EN (0x0010)
-#define U300_SYSCON_CEFR_I2S0_CLK_EN (0x0008)
-#define U300_SYSCON_CEFR_I2C1_CLK_EN (0x0004)
-#define U300_SYSCON_CEFR_I2C0_CLK_EN (0x0002)
-#define U300_SYSCON_CEFR_FAST_BRIDGE_CLK_EN (0x0001)
-/* Clock enable for the rest of the peripherals 16bit (R/W) */
-#define U300_SYSCON_CERR (0x0028)
-#define U300_SYSCON_CERR_CDS_CLK_EN (0x2000)
-#define U300_SYSCON_CERR_ISP_CLK_EN (0x1000)
-#define U300_SYSCON_CERR_MSPRO_CLK_EN (0x0800)
-#define U300_SYSCON_CERR_AHB_SUBSYS_BRIDGE_CLK_EN (0x0400)
-#define U300_SYSCON_CERR_SEMI_CLK_EN (0x0200)
-#define U300_SYSCON_CERR_XGAM_CLK_EN (0x0100)
-#define U300_SYSCON_CERR_VIDEO_ENC_CLK_EN (0x0080)
-#define U300_SYSCON_CERR_NANDIF_CLK_EN (0x0040)
-#define U300_SYSCON_CERR_EMIF_CLK_EN (0x0020)
-#define U300_SYSCON_CERR_DMAC_CLK_EN (0x0010)
-#define U300_SYSCON_CERR_CPU_CLK_EN (0x0008)
-#define U300_SYSCON_CERR_APEX_CLK_EN (0x0004)
-#define U300_SYSCON_CERR_AHB_CLK_EN (0x0002)
-#define U300_SYSCON_CERR_AAIF_CLK_EN (0x0001)
-/* Single block clock enable 16bit (-/W) */
-#define U300_SYSCON_SBCER (0x002c)
-#define U300_SYSCON_SBCER_PPM_CLK_EN (0x0009)
-#define U300_SYSCON_SBCER_ACC_TMR_CLK_EN (0x0008)
-#define U300_SYSCON_SBCER_APP_TMR_CLK_EN (0x0007)
-#define U300_SYSCON_SBCER_KEYPAD_CLK_EN (0x0006)
-#define U300_SYSCON_SBCER_GPIO_CLK_EN (0x0004)
-#define U300_SYSCON_SBCER_EH_CLK_EN (0x0003)
-#define U300_SYSCON_SBCER_BTR_CLK_EN (0x0002)
-#define U300_SYSCON_SBCER_UART_CLK_EN (0x0001)
-#define U300_SYSCON_SBCER_SLOW_BRIDGE_CLK_EN (0x0000)
-#define U300_SYSCON_SBCER_UART1_CLK_EN (0x0019)
-#define U300_SYSCON_SBCER_I2S1_CORE_CLK_EN (0x0018)
-#define U300_SYSCON_SBCER_I2S0_CORE_CLK_EN (0x0017)
-#define U300_SYSCON_SBCER_SPI_CLK_EN (0x0016)
-#define U300_SYSCON_SBCER_MMC_CLK_EN (0x0015)
-#define U300_SYSCON_SBCER_I2S1_CLK_EN (0x0014)
-#define U300_SYSCON_SBCER_I2S0_CLK_EN (0x0013)
-#define U300_SYSCON_SBCER_I2C1_CLK_EN (0x0012)
-#define U300_SYSCON_SBCER_I2C0_CLK_EN (0x0011)
-#define U300_SYSCON_SBCER_FAST_BRIDGE_CLK_EN (0x0010)
-#define U300_SYSCON_SBCER_CDS_CLK_EN (0x002D)
-#define U300_SYSCON_SBCER_ISP_CLK_EN (0x002C)
-#define U300_SYSCON_SBCER_MSPRO_CLK_EN (0x002B)
-#define U300_SYSCON_SBCER_AHB_SUBSYS_BRIDGE_CLK_EN (0x002A)
-#define U300_SYSCON_SBCER_SEMI_CLK_EN (0x0029)
-#define U300_SYSCON_SBCER_XGAM_CLK_EN (0x0028)
-#define U300_SYSCON_SBCER_VIDEO_ENC_CLK_EN (0x0027)
-#define U300_SYSCON_SBCER_NANDIF_CLK_EN (0x0026)
-#define U300_SYSCON_SBCER_EMIF_CLK_EN (0x0025)
-#define U300_SYSCON_SBCER_DMAC_CLK_EN (0x0024)
-#define U300_SYSCON_SBCER_CPU_CLK_EN (0x0023)
-#define U300_SYSCON_SBCER_APEX_CLK_EN (0x0022)
-#define U300_SYSCON_SBCER_AHB_CLK_EN (0x0021)
-#define U300_SYSCON_SBCER_AAIF_CLK_EN (0x0020)
-/* Single block clock disable 16bit (-/W) */
-#define U300_SYSCON_SBCDR (0x0030)
-/* Same values as above for SBCER */
-/* Clock force SLOW peripherals 16bit (R/W) */
-#define U300_SYSCON_CFSR (0x003c)
-#define U300_SYSCON_CFSR_PPM_CLK_FORCE_EN (0x0200)
-#define U300_SYSCON_CFSR_ACC_TMR_CLK_FORCE_EN (0x0100)
-#define U300_SYSCON_CFSR_APP_TMR_CLK_FORCE_EN (0x0080)
-#define U300_SYSCON_CFSR_KEYPAD_CLK_FORCE_EN (0x0020)
-#define U300_SYSCON_CFSR_GPIO_CLK_FORCE_EN (0x0010)
-#define U300_SYSCON_CFSR_EH_CLK_FORCE_EN (0x0008)
-#define U300_SYSCON_CFSR_BTR_CLK_FORCE_EN (0x0004)
-#define U300_SYSCON_CFSR_UART_CLK_FORCE_EN (0x0002)
-#define U300_SYSCON_CFSR_SLOW_BRIDGE_CLK_FORCE_EN (0x0001)
-/* Clock force FAST peripherals 16bit (R/W) */
-#define U300_SYSCON_CFFR (0x40)
-/* Values not defined. Define if you want to use them. */
-/* Clock force the rest of the peripherals 16bit (R/W) */
-#define U300_SYSCON_CFRR (0x44)
-#define U300_SYSCON_CFRR_CDS_CLK_FORCE_EN (0x2000)
-#define U300_SYSCON_CFRR_ISP_CLK_FORCE_EN (0x1000)
-#define U300_SYSCON_CFRR_MSPRO_CLK_FORCE_EN (0x0800)
-#define U300_SYSCON_CFRR_AHB_SUBSYS_BRIDGE_CLK_FORCE_EN (0x0400)
-#define U300_SYSCON_CFRR_SEMI_CLK_FORCE_EN (0x0200)
-#define U300_SYSCON_CFRR_XGAM_CLK_FORCE_EN (0x0100)
-#define U300_SYSCON_CFRR_VIDEO_ENC_CLK_FORCE_EN (0x0080)
-#define U300_SYSCON_CFRR_NANDIF_CLK_FORCE_EN (0x0040)
-#define U300_SYSCON_CFRR_EMIF_CLK_FORCE_EN (0x0020)
-#define U300_SYSCON_CFRR_DMAC_CLK_FORCE_EN (0x0010)
-#define U300_SYSCON_CFRR_CPU_CLK_FORCE_EN (0x0008)
-#define U300_SYSCON_CFRR_APEX_CLK_FORCE_EN (0x0004)
-#define U300_SYSCON_CFRR_AHB_CLK_FORCE_EN (0x0002)
-#define U300_SYSCON_CFRR_AAIF_CLK_FORCE_EN (0x0001)
-/* PLL208 Frequency Control 16bit (R/W) */
-#define U300_SYSCON_PFCR (0x48)
-#define U300_SYSCON_PFCR_DPLL_MULT_NUM (0x000F)
-/* Power Management Control 16bit (R/W) */
-#define U300_SYSCON_PMCR (0x50)
-#define U300_SYSCON_PMCR_DCON_ENABLE (0x0002)
-#define U300_SYSCON_PMCR_PWR_MGNT_ENABLE (0x0001)
-/* Reset Out 16bit (R/W) */
-#define U300_SYSCON_RCR (0x6c)
-#define U300_SYSCON_RCR_RESOUT0_RST_N_DISABLE (0x0001)
-/* EMIF Slew Rate Control 16bit (R/W) */
-#define U300_SYSCON_SRCLR (0x70)
-#define U300_SYSCON_SRCLR_MASK (0x03FF)
-#define U300_SYSCON_SRCLR_VALUE (0x03FF)
-#define U300_SYSCON_SRCLR_EMIF_1_SLRC_5_B (0x0200)
-#define U300_SYSCON_SRCLR_EMIF_1_SLRC_5_A (0x0100)
-#define U300_SYSCON_SRCLR_EMIF_1_SLRC_4_B (0x0080)
-#define U300_SYSCON_SRCLR_EMIF_1_SLRC_4_A (0x0040)
-#define U300_SYSCON_SRCLR_EMIF_1_SLRC_3_B (0x0020)
-#define U300_SYSCON_SRCLR_EMIF_1_SLRC_3_A (0x0010)
-#define U300_SYSCON_SRCLR_EMIF_1_SLRC_2_B (0x0008)
-#define U300_SYSCON_SRCLR_EMIF_1_SLRC_2_A (0x0004)
-#define U300_SYSCON_SRCLR_EMIF_1_SLRC_1_B (0x0002)
-#define U300_SYSCON_SRCLR_EMIF_1_SLRC_1_A (0x0001)
-/* EMIF Clock Control Register 16bit (R/W) */
-#define U300_SYSCON_ECCR (0x0078)
-#define U300_SYSCON_ECCR_MASK (0x000F)
-#define U300_SYSCON_ECCR_EMIF_1_STATIC_CLK_EN_N_DISABLE (0x0008)
-#define U300_SYSCON_ECCR_EMIF_1_RET_OUT_CLK_EN_N_DISABLE (0x0004)
-#define U300_SYSCON_ECCR_EMIF_MEMCLK_RET_EN_N_DISABLE (0x0002)
-#define U300_SYSCON_ECCR_EMIF_SDRCLK_RET_EN_N_DISABLE (0x0001)
-/* MMC/MSPRO frequency divider register 0 16bit (R/W) */
-#define U300_SYSCON_MMF0R (0x90)
-#define U300_SYSCON_MMF0R_MASK (0x00FF)
-#define U300_SYSCON_MMF0R_FREQ_0_HIGH_MASK (0x00F0)
-#define U300_SYSCON_MMF0R_FREQ_0_LOW_MASK (0x000F)
-/* MMC/MSPRO frequency divider register 1 16bit (R/W) */
-#define U300_SYSCON_MMF1R (0x94)
-#define U300_SYSCON_MMF1R_MASK (0x00FF)
-#define U300_SYSCON_MMF1R_FREQ_1_HIGH_MASK (0x00F0)
-#define U300_SYSCON_MMF1R_FREQ_1_LOW_MASK (0x000F)
-/* Clock control for the MMC and MSPRO blocks 16bit (R/W) */
-#define U300_SYSCON_MMCR (0x9C)
-#define U300_SYSCON_MMCR_MASK (0x0003)
-#define U300_SYSCON_MMCR_MMC_FB_CLK_SEL_ENABLE (0x0002)
-#define U300_SYSCON_MMCR_MSPRO_FREQSEL_ENABLE (0x0001)
-/* SYS_0_CLK_CONTROL first clock control 16bit (R/W) */
-#define U300_SYSCON_S0CCR (0x120)
-#define U300_SYSCON_S0CCR_FIELD_MASK (0x43FF)
-#define U300_SYSCON_S0CCR_CLOCK_REQ (0x4000)
-#define U300_SYSCON_S0CCR_CLOCK_REQ_MONITOR (0x2000)
-#define U300_SYSCON_S0CCR_CLOCK_INV (0x0200)
-#define U300_SYSCON_S0CCR_CLOCK_FREQ_MASK (0x01E0)
-#define U300_SYSCON_S0CCR_CLOCK_SELECT_MASK (0x001E)
-#define U300_SYSCON_S0CCR_CLOCK_ENABLE (0x0001)
-#define U300_SYSCON_S0CCR_SEL_MCLK (0x8 << 1)
-#define U300_SYSCON_S0CCR_SEL_ACC_FSM_CLK (0xA << 1)
-#define U300_SYSCON_S0CCR_SEL_PLL60_48_CLK (0xC << 1)
-#define U300_SYSCON_S0CCR_SEL_PLL60_60_CLK (0xD << 1)
-#define U300_SYSCON_S0CCR_SEL_ACC_PLL208_CLK (0xE << 1)
-#define U300_SYSCON_S0CCR_SEL_APP_PLL13_CLK (0x0 << 1)
-#define U300_SYSCON_S0CCR_SEL_APP_FSM_CLK (0x2 << 1)
-#define U300_SYSCON_S0CCR_SEL_RTC_CLK (0x4 << 1)
-#define U300_SYSCON_S0CCR_SEL_APP_PLL208_CLK (0x6 << 1)
-/* SYS_1_CLK_CONTROL second clock control 16 bit (R/W) */
-#define U300_SYSCON_S1CCR (0x124)
-#define U300_SYSCON_S1CCR_FIELD_MASK (0x43FF)
-#define U300_SYSCON_S1CCR_CLOCK_REQ (0x4000)
-#define U300_SYSCON_S1CCR_CLOCK_REQ_MONITOR (0x2000)
-#define U300_SYSCON_S1CCR_CLOCK_INV (0x0200)
-#define U300_SYSCON_S1CCR_CLOCK_FREQ_MASK (0x01E0)
-#define U300_SYSCON_S1CCR_CLOCK_SELECT_MASK (0x001E)
-#define U300_SYSCON_S1CCR_CLOCK_ENABLE (0x0001)
-#define U300_SYSCON_S1CCR_SEL_MCLK (0x8 << 1)
-#define U300_SYSCON_S1CCR_SEL_ACC_FSM_CLK (0xA << 1)
-#define U300_SYSCON_S1CCR_SEL_PLL60_48_CLK (0xC << 1)
-#define U300_SYSCON_S1CCR_SEL_PLL60_60_CLK (0xD << 1)
-#define U300_SYSCON_S1CCR_SEL_ACC_PLL208_CLK (0xE << 1)
-#define U300_SYSCON_S1CCR_SEL_ACC_PLL13_CLK (0x0 << 1)
-#define U300_SYSCON_S1CCR_SEL_APP_FSM_CLK (0x2 << 1)
-#define U300_SYSCON_S1CCR_SEL_RTC_CLK (0x4 << 1)
-#define U300_SYSCON_S1CCR_SEL_APP_PLL208_CLK (0x6 << 1)
-/* SYS_2_CLK_CONTROL third clock control 16 bit (R/W) */
-#define U300_SYSCON_S2CCR (0x128)
-#define U300_SYSCON_S2CCR_FIELD_MASK (0xC3FF)
-#define U300_SYSCON_S2CCR_CLK_STEAL (0x8000)
-#define U300_SYSCON_S2CCR_CLOCK_REQ (0x4000)
-#define U300_SYSCON_S2CCR_CLOCK_REQ_MONITOR (0x2000)
-#define U300_SYSCON_S2CCR_CLOCK_INV (0x0200)
-#define U300_SYSCON_S2CCR_CLOCK_FREQ_MASK (0x01E0)
-#define U300_SYSCON_S2CCR_CLOCK_SELECT_MASK (0x001E)
-#define U300_SYSCON_S2CCR_CLOCK_ENABLE (0x0001)
-#define U300_SYSCON_S2CCR_SEL_MCLK (0x8 << 1)
-#define U300_SYSCON_S2CCR_SEL_ACC_FSM_CLK (0xA << 1)
-#define U300_SYSCON_S2CCR_SEL_PLL60_48_CLK (0xC << 1)
-#define U300_SYSCON_S2CCR_SEL_PLL60_60_CLK (0xD << 1)
-#define U300_SYSCON_S2CCR_SEL_ACC_PLL208_CLK (0xE << 1)
-#define U300_SYSCON_S2CCR_SEL_ACC_PLL13_CLK (0x0 << 1)
-#define U300_SYSCON_S2CCR_SEL_APP_FSM_CLK (0x2 << 1)
-#define U300_SYSCON_S2CCR_SEL_RTC_CLK (0x4 << 1)
-#define U300_SYSCON_S2CCR_SEL_APP_PLL208_CLK (0x6 << 1)
-/* SC_PLL_IRQ_CONTROL 16bit (R/W) */
-#define U300_SYSCON_PICR (0x0130)
-#define U300_SYSCON_PICR_MASK (0x00FF)
-#define U300_SYSCON_PICR_FORCE_PLL208_LOCK_LOW_ENABLE (0x0080)
-#define U300_SYSCON_PICR_FORCE_PLL208_LOCK_HIGH_ENABLE (0x0040)
-#define U300_SYSCON_PICR_FORCE_PLL13_LOCK_LOW_ENABLE (0x0020)
-#define U300_SYSCON_PICR_FORCE_PLL13_LOCK_HIGH_ENABLE (0x0010)
-#define U300_SYSCON_PICR_IRQMASK_PLL13_UNLOCK_ENABLE (0x0008)
-#define U300_SYSCON_PICR_IRQMASK_PLL13_LOCK_ENABLE (0x0004)
-#define U300_SYSCON_PICR_IRQMASK_PLL208_UNLOCK_ENABLE (0x0002)
-#define U300_SYSCON_PICR_IRQMASK_PLL208_LOCK_ENABLE (0x0001)
-/* SC_PLL_IRQ_STATUS 16 bit (R/-) */
-#define U300_SYSCON_PISR (0x0134)
-#define U300_SYSCON_PISR_MASK (0x000F)
-#define U300_SYSCON_PISR_PLL13_UNLOCK_IND (0x0008)
-#define U300_SYSCON_PISR_PLL13_LOCK_IND (0x0004)
-#define U300_SYSCON_PISR_PLL208_UNLOCK_IND (0x0002)
-#define U300_SYSCON_PISR_PLL208_LOCK_IND (0x0001)
-/* SC_PLL_IRQ_CLEAR 16 bit (-/W) */
-#define U300_SYSCON_PICLR (0x0138)
-#define U300_SYSCON_PICLR_MASK (0x000F)
-#define U300_SYSCON_PICLR_RWMASK (0x0000)
-#define U300_SYSCON_PICLR_PLL13_UNLOCK_SC (0x0008)
-#define U300_SYSCON_PICLR_PLL13_LOCK_SC (0x0004)
-#define U300_SYSCON_PICLR_PLL208_UNLOCK_SC (0x0002)
-#define U300_SYSCON_PICLR_PLL208_LOCK_SC (0x0001)
-/* Clock activity observability register 0 */
-#define U300_SYSCON_C0OAR (0x140)
-#define U300_SYSCON_C0OAR_MASK (0xFFFF)
-#define U300_SYSCON_C0OAR_VALUE (0xFFFF)
-#define U300_SYSCON_C0OAR_BT_H_CLK (0x8000)
-#define U300_SYSCON_C0OAR_ASPB_P_CLK (0x4000)
-#define U300_SYSCON_C0OAR_APP_SEMI_H_CLK (0x2000)
-#define U300_SYSCON_C0OAR_APP_SEMI_CLK (0x1000)
-#define U300_SYSCON_C0OAR_APP_MMC_MSPRO_CLK (0x0800)
-#define U300_SYSCON_C0OAR_APP_I2S1_CLK (0x0400)
-#define U300_SYSCON_C0OAR_APP_I2S0_CLK (0x0200)
-#define U300_SYSCON_C0OAR_APP_CPU_CLK (0x0100)
-#define U300_SYSCON_C0OAR_APP_52_CLK (0x0080)
-#define U300_SYSCON_C0OAR_APP_208_CLK (0x0040)
-#define U300_SYSCON_C0OAR_APP_104_CLK (0x0020)
-#define U300_SYSCON_C0OAR_APEX_CLK (0x0010)
-#define U300_SYSCON_C0OAR_AHPB_M_H_CLK (0x0008)
-#define U300_SYSCON_C0OAR_AHB_CLK (0x0004)
-#define U300_SYSCON_C0OAR_AFPB_P_CLK (0x0002)
-#define U300_SYSCON_C0OAR_AAIF_CLK (0x0001)
-/* Clock activity observability register 1 */
-#define U300_SYSCON_C1OAR (0x144)
-#define U300_SYSCON_C1OAR_MASK (0x3FFE)
-#define U300_SYSCON_C1OAR_VALUE (0x3FFE)
-#define U300_SYSCON_C1OAR_NFIF_F_CLK (0x2000)
-#define U300_SYSCON_C1OAR_MSPRO_CLK (0x1000)
-#define U300_SYSCON_C1OAR_MMC_P_CLK (0x0800)
-#define U300_SYSCON_C1OAR_MMC_CLK (0x0400)
-#define U300_SYSCON_C1OAR_KP_P_CLK (0x0200)
-#define U300_SYSCON_C1OAR_I2C1_P_CLK (0x0100)
-#define U300_SYSCON_C1OAR_I2C0_P_CLK (0x0080)
-#define U300_SYSCON_C1OAR_GPIO_CLK (0x0040)
-#define U300_SYSCON_C1OAR_EMIF_MPMC_CLK (0x0020)
-#define U300_SYSCON_C1OAR_EMIF_H_CLK (0x0010)
-#define U300_SYSCON_C1OAR_EVHIST_CLK (0x0008)
-#define U300_SYSCON_C1OAR_PPM_CLK (0x0004)
-#define U300_SYSCON_C1OAR_DMA_CLK (0x0002)
-/* Clock activity observability register 2 */
-#define U300_SYSCON_C2OAR (0x148)
-#define U300_SYSCON_C2OAR_MASK (0x0FFF)
-#define U300_SYSCON_C2OAR_VALUE (0x0FFF)
-#define U300_SYSCON_C2OAR_XGAM_CDI_CLK (0x0800)
-#define U300_SYSCON_C2OAR_XGAM_CLK (0x0400)
-#define U300_SYSCON_C2OAR_VC_H_CLK (0x0200)
-#define U300_SYSCON_C2OAR_VC_CLK (0x0100)
-#define U300_SYSCON_C2OAR_UA_P_CLK (0x0080)
-#define U300_SYSCON_C2OAR_TMR1_CLK (0x0040)
-#define U300_SYSCON_C2OAR_TMR0_CLK (0x0020)
-#define U300_SYSCON_C2OAR_SPI_P_CLK (0x0010)
-#define U300_SYSCON_C2OAR_PCM_I2S1_CORE_CLK (0x0008)
-#define U300_SYSCON_C2OAR_PCM_I2S1_CLK (0x0004)
-#define U300_SYSCON_C2OAR_PCM_I2S0_CORE_CLK (0x0002)
-#define U300_SYSCON_C2OAR_PCM_I2S0_CLK (0x0001)
-
-
-/*
- * The clocking hierarchy currently looks like this.
- * NOTE: the idea is NOT to show how the clocks are routed on the chip!
- * The ideas is to show dependencies, so a clock higher up in the
- * hierarchy has to be on in order for another clock to be on. Now,
- * both CPU and DMA can actually be on top of the hierarchy, and that
- * is not modeled currently. Instead we have the backbone AMBA bus on
- * top. This bus cannot be programmed in any way but conceptually it
- * needs to be active for the bridges and devices to transport data.
- *
- * Please be aware that a few clocks are hw controlled, which mean that
- * the hw itself can turn on/off or change the rate of the clock when
- * needed!
- *
- * AMBA bus
- * |
- * +- CPU
- * +- FSMC NANDIF NAND Flash interface
- * +- SEMI Shared Memory interface
- * +- ISP Image Signal Processor (U335 only)
- * +- CDS (U335 only)
- * +- DMA Direct Memory Access Controller
- * +- AAIF APP/ACC Interface (Mobile Scalable Link, MSL)
- * +- APEX
- * +- VIDEO_ENC AVE2/3 Video Encoder
- * +- XGAM Graphics Accelerator Controller
- * +- AHB
- * |
- * +- ahb:0 AHB Bridge
- * | |
- * | +- ahb:1 INTCON Interrupt controller
- * | +- ahb:3 MSPRO Memory Stick Pro controller
- * | +- ahb:4 EMIF External Memory interface
- * |
- * +- fast:0 FAST bridge
- * | |
- * | +- fast:1 MMCSD MMC/SD card reader controller
- * | +- fast:2 I2S0 PCM I2S channel 0 controller
- * | +- fast:3 I2S1 PCM I2S channel 1 controller
- * | +- fast:4 I2C0 I2C channel 0 controller
- * | +- fast:5 I2C1 I2C channel 1 controller
- * | +- fast:6 SPI SPI controller
- * | +- fast:7 UART1 Secondary UART (U335 only)
- * |
- * +- slow:0 SLOW bridge
- * |
- * +- slow:1 SYSCON (not possible to control)
- * +- slow:2 WDOG Watchdog
- * +- slow:3 UART0 primary UART
- * +- slow:4 TIMER_APP Application timer - used in Linux
- * +- slow:5 KEYPAD controller
- * +- slow:6 GPIO controller
- * +- slow:7 RTC controller
- * +- slow:8 BT Bus Tracer (not used currently)
- * +- slow:9 EH Event Handler (not used currently)
- * +- slow:a TIMER_ACC Access style timer (not used currently)
- * +- slow:b PPM (U335 only, what is that?)
- */
-
-/* Global syscon virtual base */
-static void __iomem *syscon_vbase;
-
-/**
- * struct clk_syscon - U300 syscon clock
- * @hw: corresponding clock hardware entry
- * @hw_ctrld: whether this clock is hardware controlled (for refcount etc)
- * and does not need any magic pokes to be enabled/disabled
- * @reset: state holder, whether this block's reset line is asserted or not
- * @res_reg: reset line enable/disable flag register
- * @res_bit: bit for resetting or taking this consumer out of reset
- * @en_reg: clock line enable/disable flag register
- * @en_bit: bit for enabling/disabling this consumer clock line
- * @clk_val: magic value to poke in the register to enable/disable
- * this one clock
- */
-struct clk_syscon {
- struct clk_hw hw;
- bool hw_ctrld;
- bool reset;
- void __iomem *res_reg;
- u8 res_bit;
- void __iomem *en_reg;
- u8 en_bit;
- u16 clk_val;
-};
-
-#define to_syscon(_hw) container_of(_hw, struct clk_syscon, hw)
-
-static DEFINE_SPINLOCK(syscon_resetreg_lock);
-
-/*
- * Reset control functions. We remember if a block has been
- * taken out of reset and don't remove the reset assertion again
- * and vice versa. Currently we only remove resets so the
- * enablement function is defined out.
- */
-static void syscon_block_reset_enable(struct clk_syscon *sclk)
-{
- unsigned long iflags;
- u16 val;
-
- /* Not all blocks support resetting */
- if (!sclk->res_reg)
- return;
- spin_lock_irqsave(&syscon_resetreg_lock, iflags);
- val = readw(sclk->res_reg);
- val |= BIT(sclk->res_bit);
- writew(val, sclk->res_reg);
- spin_unlock_irqrestore(&syscon_resetreg_lock, iflags);
- sclk->reset = true;
-}
-
-static void syscon_block_reset_disable(struct clk_syscon *sclk)
-{
- unsigned long iflags;
- u16 val;
-
- /* Not all blocks support resetting */
- if (!sclk->res_reg)
- return;
- spin_lock_irqsave(&syscon_resetreg_lock, iflags);
- val = readw(sclk->res_reg);
- val &= ~BIT(sclk->res_bit);
- writew(val, sclk->res_reg);
- spin_unlock_irqrestore(&syscon_resetreg_lock, iflags);
- sclk->reset = false;
-}
-
-static int syscon_clk_prepare(struct clk_hw *hw)
-{
- struct clk_syscon *sclk = to_syscon(hw);
-
- /* If the block is in reset, bring it out */
- if (sclk->reset)
- syscon_block_reset_disable(sclk);
- return 0;
-}
-
-static void syscon_clk_unprepare(struct clk_hw *hw)
-{
- struct clk_syscon *sclk = to_syscon(hw);
-
- /* Please don't force the console into reset */
- if (sclk->clk_val == U300_SYSCON_SBCER_UART_CLK_EN)
- return;
- /* When unpreparing, force block into reset */
- if (!sclk->reset)
- syscon_block_reset_enable(sclk);
-}
-
-static int syscon_clk_enable(struct clk_hw *hw)
-{
- struct clk_syscon *sclk = to_syscon(hw);
-
- /* Don't touch the hardware controlled clocks */
- if (sclk->hw_ctrld)
- return 0;
- /* These cannot be controlled */
- if (sclk->clk_val == 0xFFFFU)
- return 0;
-
- writew(sclk->clk_val, syscon_vbase + U300_SYSCON_SBCER);
- return 0;
-}
-
-static void syscon_clk_disable(struct clk_hw *hw)
-{
- struct clk_syscon *sclk = to_syscon(hw);
-
- /* Don't touch the hardware controlled clocks */
- if (sclk->hw_ctrld)
- return;
- if (sclk->clk_val == 0xFFFFU)
- return;
- /* Please don't disable the console port */
- if (sclk->clk_val == U300_SYSCON_SBCER_UART_CLK_EN)
- return;
-
- writew(sclk->clk_val, syscon_vbase + U300_SYSCON_SBCDR);
-}
-
-static int syscon_clk_is_enabled(struct clk_hw *hw)
-{
- struct clk_syscon *sclk = to_syscon(hw);
- u16 val;
-
- /* If no enable register defined, it's always-on */
- if (!sclk->en_reg)
- return 1;
-
- val = readw(sclk->en_reg);
- val &= BIT(sclk->en_bit);
-
- return val ? 1 : 0;
-}
-
-static u16 syscon_get_perf(void)
-{
- u16 val;
-
- val = readw(syscon_vbase + U300_SYSCON_CCR);
- val &= U300_SYSCON_CCR_CLKING_PERFORMANCE_MASK;
- return val;
-}
-
-static unsigned long
-syscon_clk_recalc_rate(struct clk_hw *hw,
- unsigned long parent_rate)
-{
- struct clk_syscon *sclk = to_syscon(hw);
- u16 perf = syscon_get_perf();
-
- switch (sclk->clk_val) {