--- /dev/null
+/*
+ * (C) Copyright 2016 Rockchip Electronics Co., Ltd
+ * Author: Andy Yan <andy.yan@rock-chips.com>
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+#ifndef _ASM_ARCH_CRU_RV1108_H
+#define _ASM_ARCH_CRU_RV1108_H
+
+#include <common.h>
+
+#define OSC_HZ (24 * 1000 * 1000)
+
+#define APLL_HZ (600 * 1000000)
+#define GPLL_HZ (594 * 1000000)
+
+struct rv1108_clk_priv {
+ struct rv1108_cru *cru;
+ ulong rate;
+};
+
+struct rv1108_cru {
+ struct rv1108_pll {
+ unsigned int con0;
+ unsigned int con1;
+ unsigned int con2;
+ unsigned int con3;
+ unsigned int con4;
+ unsigned int con5;
+ unsigned int reserved[2];
+ } pll[3];
+ unsigned int clksel_con[46];
+ unsigned int reserved1[2];
+ unsigned int clkgate_con[20];
+ unsigned int reserved2[4];
+ unsigned int softrst_con[13];
+ unsigned int reserved3[3];
+ unsigned int glb_srst_fst_val;
+ unsigned int glb_srst_snd_val;
+ unsigned int glb_cnt_th;
+ unsigned int misc_con;
+ unsigned int glb_rst_con;
+ unsigned int glb_rst_st;
+ unsigned int sdmmc_con[2];
+ unsigned int sdio_con[2];
+ unsigned int emmc_con[2];
+};
+check_member(rv1108_cru, emmc_con[1], 0x01ec);
+
+struct pll_div {
+ u32 refdiv;
+ u32 fbdiv;
+ u32 postdiv1;
+ u32 postdiv2;
+ u32 frac;
+};
+
+enum {
+ /* PLL CON0 */
+ FBDIV_MASK = 0xfff,
+ FBDIV_SHIFT = 0,
+
+ /* PLL CON1 */
+ POSTDIV2_SHIFT = 12,
+ POSTDIV2_MASK = 7 << POSTDIV2_SHIFT,
+ POSTDIV1_SHIFT = 8,
+ POSTDIV1_MASK = 7 << POSTDIV1_SHIFT,
+ REFDIV_MASK = 0x3f,
+ REFDIV_SHIFT = 0,
+
+ /* PLL CON2 */
+ LOCK_STA_SHIFT = 31,
+ LOCK_STA_MASK = 1 << LOCK_STA_SHIFT,
+ FRACDIV_MASK = 0xffffff,
+ FRACDIV_SHIFT = 0,
+
+ /* PLL CON3 */
+ WORK_MODE_SHIFT = 8,
+ WORK_MODE_MASK = 1 << WORK_MODE_SHIFT,
+ WORK_MODE_SLOW = 0,
+ WORK_MODE_NORMAL = 1,
+ DSMPD_SHIFT = 3,
+ DSMPD_MASK = 1 << DSMPD_SHIFT,
+
+ /* CLKSEL0_CON */
+ CORE_PLL_SEL_SHIFT = 8,
+ CORE_PLL_SEL_MASK = 3 << CORE_PLL_SEL_SHIFT,
+ CORE_PLL_SEL_APLL = 0,
+ CORE_PLL_SEL_GPLL = 1,
+ CORE_PLL_SEL_DPLL = 2,
+ CORE_CLK_DIV_SHIFT = 0,
+ CORE_CLK_DIV_MASK = 0x1f << CORE_CLK_DIV_SHIFT,
+
+ /* CLKSEL24_CON */
+ MAC_PLL_SEL_SHIFT = 12,
+ MAC_PLL_SEL_MASK = 1 << MAC_PLL_SEL_SHIFT,
+ MAC_PLL_SEL_APLL = 0,
+ MAC_PLL_SEL_GPLL = 1,
+ RMII_EXTCLK_SEL_SHIFT = 8,
+ RMII_EXTCLK_SEL_MASK = 1 << RMII_EXTCLK_SEL_SHIFT,
+ MAC_CLK_DIV_MASK = 0x1f,
+ MAC_CLK_DIV_SHIFT = 0,
+
+ /* CLKSEL27_CON */
+ SFC_PLL_SEL_SHIFT = 7,
+ SFC_PLL_SEL_MASK = 1 << SFC_PLL_SEL_SHIFT,
+ SFC_PLL_SEL_DPLL = 0,
+ SFC_PLL_SEL_GPLL = 1,
+ SFC_CLK_DIV_SHIFT = 0,
+ SFC_CLK_DIV_MASK = 0x3f << SFC_CLK_DIV_SHIFT,
+};
+#endif
PERIPH_ID_SDMMC2,
PERIPH_ID_HDMI,
PERIPH_ID_GMAC,
+ PERIPH_ID_SFC,
PERIPH_ID_COUNT,
obj-$(CONFIG_ROCKCHIP_RK3328) += clk_rk3328.o
obj-$(CONFIG_ROCKCHIP_RK3368) += clk_rk3368.o
obj-$(CONFIG_ROCKCHIP_RK3399) += clk_rk3399.o
+obj-$(CONFIG_ROCKCHIP_RV1108) += clk_rv1108.o
--- /dev/null
+/*
+ * (C) Copyright 2016 Rockchip Electronics Co., Ltd
+ * Author: Andy Yan <andy.yan@rock-chips.com>
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#include <common.h>
+#include <clk-uclass.h>
+#include <dm.h>
+#include <errno.h>
+#include <syscon.h>
+#include <asm/io.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/cru_rv1108.h>
+#include <asm/arch/hardware.h>
+#include <dm/lists.h>
+#include <dt-bindings/clock/rv1108-cru.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+enum {
+ VCO_MAX_HZ = 2400U * 1000000,
+ VCO_MIN_HZ = 600 * 1000000,
+ OUTPUT_MAX_HZ = 2400U * 1000000,
+ OUTPUT_MIN_HZ = 24 * 1000000,
+};
+
+#define RATE_TO_DIV(input_rate, output_rate) \
+ ((input_rate) / (output_rate) - 1);
+
+#define DIV_TO_RATE(input_rate, div) ((input_rate) / ((div) + 1))
+
+#define PLL_DIVISORS(hz, _refdiv, _postdiv1, _postdiv2) {\
+ .refdiv = _refdiv,\
+ .fbdiv = (u32)((u64)hz * _refdiv * _postdiv1 * _postdiv2 / OSC_HZ),\
+ .postdiv1 = _postdiv1, .postdiv2 = _postdiv2};\
+ _Static_assert(((u64)hz * _refdiv * _postdiv1 * _postdiv2 / OSC_HZ) *\
+ OSC_HZ / (_refdiv * _postdiv1 * _postdiv2) == hz,\
+ #hz "Hz cannot be hit with PLL "\
+ "divisors on line " __stringify(__LINE__));
+
+/* use interge mode*/
+static const struct pll_div apll_init_cfg = PLL_DIVISORS(APLL_HZ, 1, 3, 1);
+static const struct pll_div gpll_init_cfg = PLL_DIVISORS(GPLL_HZ, 2, 2, 1);
+
+static inline int rv1108_pll_id(enum rk_clk_id clk_id)
+{
+ int id = 0;
+
+ switch (clk_id) {
+ case CLK_ARM:
+ case CLK_DDR:
+ id = clk_id - 1;
+ break;
+ case CLK_GENERAL:
+ id = 2;
+ break;
+ default:
+ printf("invalid pll id:%d\n", clk_id);
+ id = -1;
+ break;
+ }
+
+ return id;
+}
+
+static uint32_t rkclk_pll_get_rate(struct rv1108_cru *cru,
+ enum rk_clk_id clk_id)
+{
+ uint32_t refdiv, fbdiv, postdiv1, postdiv2;
+ uint32_t con0, con1, con3;
+ int pll_id = rv1108_pll_id(clk_id);
+ struct rv1108_pll *pll = &cru->pll[pll_id];
+ uint32_t freq;
+
+ con3 = readl(&pll->con3);
+
+ if (con3 & WORK_MODE_MASK) {
+ con0 = readl(&pll->con0);
+ con1 = readl(&pll->con1);
+ fbdiv = (con0 >> FBDIV_SHIFT) & FBDIV_MASK;
+ postdiv1 = (con1 & POSTDIV1_MASK) >> POSTDIV1_SHIFT;
+ postdiv2 = (con1 & POSTDIV2_MASK) >> POSTDIV2_SHIFT;
+ refdiv = (con1 & REFDIV_MASK) >> REFDIV_SHIFT;
+ freq = (24 * fbdiv / (refdiv * postdiv1 * postdiv2)) * 1000000;
+ } else {
+ freq = OSC_HZ;
+ }
+
+ return freq;
+}
+
+static int rv1108_mac_set_clk(struct rv1108_cru *cru, ulong rate)
+{
+ uint32_t con = readl(&cru->clksel_con[24]);
+ ulong pll_rate;
+ uint8_t div;
+
+ if ((con >> MAC_PLL_SEL_SHIFT) & MAC_PLL_SEL_GPLL)
+ pll_rate = rkclk_pll_get_rate(cru, CLK_GENERAL);
+ else
+ pll_rate = rkclk_pll_get_rate(cru, CLK_ARM);
+
+ /*default set 50MHZ for gmac*/
+ if (!rate)
+ rate = 50000000;
+
+ div = DIV_ROUND_UP(pll_rate, rate) - 1;
+ if (div <= 0x1f)
+ rk_clrsetreg(&cru->clksel_con[24], MAC_CLK_DIV_MASK,
+ div << MAC_CLK_DIV_SHIFT);
+ else
+ debug("Unsupported div for gmac:%d\n", div);
+
+ return DIV_TO_RATE(pll_rate, div);
+}
+
+static int rv1108_sfc_set_clk(struct rv1108_cru *cru, uint rate)
+{
+ u32 con = readl(&cru->clksel_con[27]);
+ u32 pll_rate;
+ u32 div;
+
+ if ((con >> SFC_PLL_SEL_SHIFT) && SFC_PLL_SEL_GPLL)
+ pll_rate = rkclk_pll_get_rate(cru, CLK_GENERAL);
+ else
+ pll_rate = rkclk_pll_get_rate(cru, CLK_DDR);
+
+ div = DIV_ROUND_UP(pll_rate, rate) - 1;
+ if (div <= 0x3f)
+ rk_clrsetreg(&cru->clksel_con[27], SFC_CLK_DIV_MASK,
+ div << SFC_CLK_DIV_SHIFT);
+ else
+ debug("Unsupported sfc clk rate:%d\n", rate);
+
+ return DIV_TO_RATE(pll_rate, div);
+}
+
+static ulong rv1108_clk_get_rate(struct clk *clk)
+{
+ struct rv1108_clk_priv *priv = dev_get_priv(clk->dev);
+
+ switch (clk->id) {
+ case 0 ... 63:
+ return rkclk_pll_get_rate(priv->cru, clk->id);
+ default:
+ return -ENOENT;
+ }
+}
+
+static ulong rv1108_clk_set_rate(struct clk *clk, ulong rate)
+{
+ struct rv1108_clk_priv *priv = dev_get_priv(clk->dev);
+ ulong new_rate;
+
+ switch (clk->id) {
+ case SCLK_MAC:
+ new_rate = rv1108_mac_set_clk(priv->cru, rate);
+ break;
+ case SCLK_SFC:
+ new_rate = rv1108_sfc_set_clk(priv->cru, rate);
+ break;
+ default:
+ return -ENOENT;
+ }
+
+ return new_rate;
+}
+
+static const struct clk_ops rv1108_clk_ops = {
+ .get_rate = rv1108_clk_get_rate,
+ .set_rate = rv1108_clk_set_rate,
+};
+
+static void rkclk_init(struct rv1108_cru *cru)
+{
+ unsigned int apll = rkclk_pll_get_rate(cru, CLK_ARM);
+ unsigned int dpll = rkclk_pll_get_rate(cru, CLK_DDR);
+ unsigned int gpll = rkclk_pll_get_rate(cru, CLK_GENERAL);
+
+ rk_clrsetreg(&cru->clksel_con[0], CORE_CLK_DIV_MASK,
+ 0 << MAC_CLK_DIV_SHIFT);
+
+ printf("APLL: %d DPLL:%d GPLL:%d\n", apll, dpll, gpll);
+}
+
+static int rv1108_clk_probe(struct udevice *dev)
+{
+ struct rv1108_clk_priv *priv = dev_get_priv(dev);
+
+ priv->cru = (struct rv1108_cru *)devfdt_get_addr(dev);
+
+ rkclk_init(priv->cru);
+
+ return 0;
+}
+
+static int rv1108_clk_bind(struct udevice *dev)
+{
+ int ret;
+
+ /* The reset driver does not have a device node, so bind it here */
+ ret = device_bind_driver(gd->dm_root, "rv1108_sysreset", "reset", &dev);
+ if (ret)
+ error("No Rv1108 reset driver: ret=%d\n", ret);
+
+ return 0;
+}
+
+static const struct udevice_id rv1108_clk_ids[] = {
+ { .compatible = "rockchip,rv1108-cru" },
+ { }
+};
+
+U_BOOT_DRIVER(clk_rv1108) = {
+ .name = "clk_rv1108",
+ .id = UCLASS_CLK,
+ .of_match = rv1108_clk_ids,
+ .priv_auto_alloc_size = sizeof(struct rv1108_clk_priv),
+ .ops = &rv1108_clk_ops,
+ .bind = rv1108_clk_bind,
+ .probe = rv1108_clk_probe,
+};
--- /dev/null
+/*
+ * Copyright (c) 2017 Rockchip Electronics Co. Ltd.
+ * Author: Shawn Lin <shawn.lin@rock-chips.com>
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef _DT_BINDINGS_CLK_ROCKCHIP_RV1108_H
+#define _DT_BINDINGS_CLK_ROCKCHIP_RV1108_H
+
+/* pll id */
+#define PLL_APLL 0
+#define PLL_DPLL 1
+#define PLL_GPLL 2
+#define ARMCLK 3
+
+/* sclk gates (special clocks) */
+#define SCLK_MAC 64
+#define SCLK_SPI0 65
+#define SCLK_NANDC 67
+#define SCLK_SDMMC 68
+#define SCLK_SDIO 69
+#define SCLK_EMMC 71
+#define SCLK_UART0 72
+#define SCLK_UART1 73
+#define SCLK_UART2 74
+#define SCLK_I2S0 75
+#define SCLK_I2S1 76
+#define SCLK_I2S2 77
+#define SCLK_TIMER0 78
+#define SCLK_TIMER1 79
+#define SCLK_SFC 80
+#define SCLK_SDMMC_DRV 81
+#define SCLK_SDIO_DRV 82
+#define SCLK_EMMC_DRV 83
+#define SCLK_SDMMC_SAMPLE 84
+#define SCLK_SDIO_SAMPLE 85
+#define SCLK_EMMC_SAMPLE 86
+#define SCLK_MAC_RX 87
+#define SCLK_MAC_TX 88
+#define SCLK_MACREF 89
+#define SCLK_MACREF_OUT 90
+
+
+/* aclk gates */
+#define ACLK_DMAC 192
+#define ACLK_PRE 193
+#define ACLK_CORE 194
+#define ACLK_ENMCORE 195
+#define ACLK_GMAC 196
+
+
+/* pclk gates */
+#define PCLK_GPIO1 256
+#define PCLK_GPIO2 257
+#define PCLK_GPIO3 258
+#define PCLK_GRF 259
+#define PCLK_I2C1 260
+#define PCLK_I2C2 261
+#define PCLK_I2C3 262
+#define PCLK_SPI 263
+#define PCLK_SFC 264
+#define PCLK_UART0 265
+#define PCLK_UART1 266
+#define PCLK_UART2 267
+#define PCLK_TSADC 268
+#define PCLK_PWM 269
+#define PCLK_TIMER 270
+#define PCLK_PERI 271
+#define PCLK_GMAC 272
+
+/* hclk gates */
+#define HCLK_I2S0_8CH 320
+#define HCLK_I2S1_8CH 321
+#define HCLK_I2S2_2CH 322
+#define HCLK_NANDC 323
+#define HCLK_SDMMC 324
+#define HCLK_SDIO 325
+#define HCLK_EMMC 326
+#define HCLK_PERI 327
+#define HCLK_SFC 328
+
+#define CLK_NR_CLKS (HCLK_SFC + 1)
+
+/* reset id */
+#define SRST_CORE_PO_AD 0
+#define SRST_CORE_AD 1
+#define SRST_L2_AD 2
+#define SRST_CPU_NIU_AD 3
+#define SRST_CORE_PO 4
+#define SRST_CORE 5
+#define SRST_L2 6
+#define SRST_CORE_DBG 8
+#define PRST_DBG 9
+#define RST_DAP 10
+#define PRST_DBG_NIU 11
+#define ARST_STRC_SYS_AD 15
+
+#define SRST_DDRPHY_CLKDIV 16
+#define SRST_DDRPHY 17
+#define PRST_DDRPHY 18
+#define PRST_HDMIPHY 19
+#define PRST_VDACPHY 20
+#define PRST_VADCPHY 21
+#define PRST_MIPI_CSI_PHY 22
+#define PRST_MIPI_DSI_PHY 23
+#define PRST_ACODEC 24
+#define ARST_BUS_NIU 25
+#define PRST_TOP_NIU 26
+#define ARST_INTMEM 27
+#define HRST_ROM 28
+#define ARST_DMAC 29
+#define SRST_MSCH_NIU 30
+#define PRST_MSCH_NIU 31
+
+#define PRST_DDRUPCTL 32
+#define NRST_DDRUPCTL 33
+#define PRST_DDRMON 34
+#define HRST_I2S0_8CH 35
+#define MRST_I2S0_8CH 36
+#define HRST_I2S1_2CH 37
+#define MRST_IS21_2CH 38
+#define HRST_I2S2_2CH 39
+#define MRST_I2S2_2CH 40
+#define HRST_CRYPTO 41
+#define SRST_CRYPTO 42
+#define PRST_SPI 43
+#define SRST_SPI 44
+#define PRST_UART0 45
+#define PRST_UART1 46
+#define PRST_UART2 47
+
+#define SRST_UART0 48
+#define SRST_UART1 49
+#define SRST_UART2 50
+#define PRST_I2C1 51
+#define PRST_I2C2 52
+#define PRST_I2C3 53
+#define SRST_I2C1 54
+#define SRST_I2C2 55
+#define SRST_I2C3 56
+#define PRST_PWM1 58
+#define SRST_PWM1 60
+#define PRST_WDT 61
+#define PRST_GPIO1 62
+#define PRST_GPIO2 63
+
+#define PRST_GPIO3 64
+#define PRST_GRF 65
+#define PRST_EFUSE 66
+#define PRST_EFUSE512 67
+#define PRST_TIMER0 68
+#define SRST_TIMER0 69
+#define SRST_TIMER1 70
+#define PRST_TSADC 71
+#define SRST_TSADC 72
+#define PRST_SARADC 73
+#define SRST_SARADC 74
+#define HRST_SYSBUS 75
+#define PRST_USBGRF 76
+
+#define ARST_PERIPH_NIU 80
+#define HRST_PERIPH_NIU 81
+#define PRST_PERIPH_NIU 82
+#define HRST_PERIPH 83
+#define HRST_SDMMC 84
+#define HRST_SDIO 85
+#define HRST_EMMC 86
+#define HRST_NANDC 87
+#define NRST_NANDC 88
+#define HRST_SFC 89
+#define SRST_SFC 90
+#define ARST_GMAC 91
+#define HRST_OTG 92
+#define SRST_OTG 93
+#define SRST_OTG_ADP 94
+#define HRST_HOST0 95
+
+#define HRST_HOST0_AUX 96
+#define HRST_HOST0_ARB 97
+#define SRST_HOST0_EHCIPHY 98
+#define SRST_HOST0_UTMI 99
+#define SRST_USBPOR 100
+#define SRST_UTMI0 101
+#define SRST_UTMI1 102
+
+#define ARST_VIO0_NIU 102
+#define ARST_VIO1_NIU 103
+#define HRST_VIO_NIU 104
+#define PRST_VIO_NIU 105
+#define ARST_VOP 106
+#define HRST_VOP 107
+#define DRST_VOP 108
+#define ARST_IEP 109
+#define HRST_IEP 110
+#define ARST_RGA 111
+#define HRST_RGA 112
+#define SRST_RGA 113
+#define PRST_CVBS 114
+#define PRST_HDMI 115
+#define SRST_HDMI 116
+#define PRST_MIPI_DSI 117
+
+#define ARST_ISP_NIU 118
+#define HRST_ISP_NIU 119
+#define HRST_ISP 120
+#define SRST_ISP 121
+#define ARST_VIP0 122
+#define HRST_VIP0 123
+#define PRST_VIP0 124
+#define ARST_VIP1 125
+#define HRST_VIP1 126
+#define PRST_VIP1 127
+#define ARST_VIP2 128
+#define HRST_VIP2 129
+#define PRST_VIP2 120
+#define ARST_VIP3 121
+#define HRST_VIP3 122
+#define PRST_VIP4 123
+
+#define PRST_CIF1TO4 124
+#define SRST_CVBS_CLK 125
+#define HRST_CVBS 126
+
+#define ARST_VPU_NIU 140
+#define HRST_VPU_NIU 141
+#define ARST_VPU 142
+#define HRST_VPU 143
+#define ARST_RKVDEC_NIU 144
+#define HRST_RKVDEC_NIU 145
+#define ARST_RKVDEC 146
+#define HRST_RKVDEC 147
+#define SRST_RKVDEC_CABAC 148
+#define SRST_RKVDEC_CORE 149
+#define ARST_RKVENC_NIU 150
+#define HRST_RKVENC_NIU 151
+#define ARST_RKVENC 152
+#define HRST_RKVENC 153
+#define SRST_RKVENC_CORE 154
+
+#define SRST_DSP_CORE 156
+#define SRST_DSP_SYS 157
+#define SRST_DSP_GLOBAL 158
+#define SRST_DSP_OECM 159
+#define PRST_DSP_IOP_NIU 160
+#define ARST_DSP_EPP_NIU 161
+#define ARST_DSP_EDP_NIU 162
+#define PRST_DSP_DBG_NIU 163
+#define PRST_DSP_CFG_NIU 164
+#define PRST_DSP_GRF 165
+#define PRST_DSP_MAILBOX 166
+#define PRST_DSP_INTC 167
+#define PRST_DSP_PFM_MON 169
+#define SRST_DSP_PFM_MON 170
+#define ARST_DSP_EDAP_NIU 171
+
+#define SRST_PMU 172
+#define SRST_PMU_I2C0 173
+#define PRST_PMU_I2C0 174
+#define PRST_PMU_GPIO0 175
+#define PRST_PMU_INTMEM 176
+#define PRST_PMU_PWM0 177
+#define SRST_PMU_PWM0 178
+#define PRST_PMU_GRF 179
+#define SRST_PMU_NIU 180
+#define SRST_PMU_PVTM 181
+#define ARST_DSP_EDP_PERF 184
+#define ARST_DSP_EPP_PERF 185
+
+#endif /* _DT_BINDINGS_CLK_ROCKCHIP_RV1108_H */
projects / platform / kernel / u-boot.git / commitdiff