diff options
| author | Stephen Boyd <sboyd@kernel.org> | 2021-02-16 14:08:51 -0800 |
|---|---|---|
| committer | Stephen Boyd <sboyd@kernel.org> | 2021-02-16 14:08:51 -0800 |
| commit | ee6b84a3fc47e01ba5e28a45c78c191da57ff86e (patch) | |
| tree | c058033bf7097b3d7c450a77f6087e6e68589c06 /drivers/clk | |
| parent | 0d7a660bfe79b1bb2cfed710ab159186320de7df (diff) | |
| parent | ee7294ba49bf8559b560b21629ed8153082c25cf (diff) | |
| download | linux-ee6b84a3fc47e01ba5e28a45c78c191da57ff86e.tar.gz linux-ee6b84a3fc47e01ba5e28a45c78c191da57ff86e.tar.bz2 linux-ee6b84a3fc47e01ba5e28a45c78c191da57ff86e.zip | |
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/Makefile | 5 | ||||
| -rw-r--r-- | drivers/clk/clk-efm32gg.c | 84 | ||||
| -rw-r--r-- | drivers/clk/clk-tango4.c | 85 | ||||
| -rw-r--r-- | drivers/clk/clk-u300.c | 1199 | ||||
| -rw-r--r-- | drivers/clk/sirf/Makefile | 6 | ||||
| -rw-r--r-- | drivers/clk/sirf/atlas6.h | 32 | ||||
| -rw-r--r-- | drivers/clk/sirf/clk-atlas6.c | 150 | ||||
| -rw-r--r-- | drivers/clk/sirf/clk-atlas7.c | 1682 | ||||
| -rw-r--r-- | drivers/clk/sirf/clk-common.c | 1037 | ||||
| -rw-r--r-- | drivers/clk/sirf/clk-prima2.c | 149 | ||||
| -rw-r--r-- | drivers/clk/sirf/prima2.h | 26 | ||||
| -rw-r--r-- | drivers/clk/zte/Makefile | 4 | ||||
| -rw-r--r-- | drivers/clk/zte/clk-zx296702.c | 741 | ||||
| -rw-r--r-- | drivers/clk/zte/clk-zx296718.c | 1074 | ||||
| -rw-r--r-- | drivers/clk/zte/clk.c | 446 | ||||
| -rw-r--r-- | drivers/clk/zte/clk.h | 174 |
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) { |
