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authorTom Rini <trini@konsulko.com>2017-03-17 09:11:12 -0400
committerTom Rini <trini@konsulko.com>2017-03-17 14:15:17 -0400
commitf9515756b6d76cde99b385dda905dfb20d31ea48 (patch)
treeb2cd0007fb90a43992cb51f1a02d4e191e3dde10 /drivers/clk
parente245f1a5db086d676cbd97371046ea5c5e554326 (diff)
parent520c174b3564ae183f0e7c118dc8ce3770ae20b0 (diff)
Merge git://git.denx.de/u-boot-rockchip
This includes support for rk3188 from Heiko Stübner and and rk3328 from Kever Yang. Also included is SPL support for rk3399 and a fix for rk3288 to get it booting again (spl_early_init()).
Diffstat (limited to 'drivers/clk')
-rw-r--r--drivers/clk/at91/pmc.c3
-rw-r--r--drivers/clk/rockchip/Makefile2
-rw-r--r--drivers/clk/rockchip/clk_rk3188.c527
-rw-r--r--drivers/clk/rockchip/clk_rk3288.c2
-rw-r--r--drivers/clk/rockchip/clk_rk3328.c581
-rw-r--r--drivers/clk/rockchip/clk_rk3399.c91
6 files changed, 1196 insertions, 10 deletions
diff --git a/drivers/clk/at91/pmc.c b/drivers/clk/at91/pmc.c
index c73156a0df..fcd693a2f6 100644
--- a/drivers/clk/at91/pmc.c
+++ b/drivers/clk/at91/pmc.c
@@ -10,6 +10,7 @@
#include <dm/device.h>
#include <dm/lists.h>
#include <dm/root.h>
+#include <dm/util.h>
#include "pmc.h"
DECLARE_GLOBAL_DATA_PTR;
@@ -56,7 +57,7 @@ int at91_clk_sub_device_bind(struct udevice *dev, const char *drv_name)
offset > 0;
offset = fdt_next_subnode(fdt, offset)) {
if (pre_reloc_only &&
- !fdt_getprop(fdt, offset, "u-boot,dm-pre-reloc", NULL))
+ !dm_fdt_pre_reloc(fdt, offset))
continue;
/*
* If this node has "compatible" property, this is not
diff --git a/drivers/clk/rockchip/Makefile b/drivers/clk/rockchip/Makefile
index 1f8e41739d..1091a76f05 100644
--- a/drivers/clk/rockchip/Makefile
+++ b/drivers/clk/rockchip/Makefile
@@ -5,5 +5,7 @@
#
obj-$(CONFIG_ROCKCHIP_RK3036) += clk_rk3036.o
+obj-$(CONFIG_ROCKCHIP_RK3188) += clk_rk3188.o
obj-$(CONFIG_ROCKCHIP_RK3288) += clk_rk3288.o
+obj-$(CONFIG_ROCKCHIP_RK3328) += clk_rk3328.o
obj-$(CONFIG_ROCKCHIP_RK3399) += clk_rk3399.o
diff --git a/drivers/clk/rockchip/clk_rk3188.c b/drivers/clk/rockchip/clk_rk3188.c
new file mode 100644
index 0000000000..459649f724
--- /dev/null
+++ b/drivers/clk/rockchip/clk_rk3188.c
@@ -0,0 +1,527 @@
+/*
+ * (C) Copyright 2015 Google, Inc
+ * (C) Copyright 2016 Heiko Stuebner <heiko@sntech.de>
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#include <common.h>
+#include <clk-uclass.h>
+#include <dm.h>
+#include <dt-structs.h>
+#include <errno.h>
+#include <mapmem.h>
+#include <syscon.h>
+#include <asm/io.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/cru_rk3188.h>
+#include <asm/arch/grf_rk3188.h>
+#include <asm/arch/hardware.h>
+#include <dt-bindings/clock/rk3188-cru.h>
+#include <dm/device-internal.h>
+#include <dm/lists.h>
+#include <dm/uclass-internal.h>
+#include <linux/log2.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+enum rk3188_clk_type {
+ RK3188_CRU,
+ RK3188A_CRU,
+};
+
+struct rk3188_clk_plat {
+#if CONFIG_IS_ENABLED(OF_PLATDATA)
+ struct dtd_rockchip_rk3188_cru dtd;
+#endif
+};
+
+struct pll_div {
+ u32 nr;
+ u32 nf;
+ u32 no;
+};
+
+enum {
+ VCO_MAX_HZ = 2200U * 1000000,
+ VCO_MIN_HZ = 440 * 1000000,
+ OUTPUT_MAX_HZ = 2200U * 1000000,
+ OUTPUT_MIN_HZ = 30 * 1000000,
+ FREF_MAX_HZ = 2200U * 1000000,
+ FREF_MIN_HZ = 30 * 1000,
+};
+
+enum {
+ /* PLL CON0 */
+ PLL_OD_MASK = 0x0f,
+
+ /* PLL CON1 */
+ PLL_NF_MASK = 0x1fff,
+
+ /* PLL CON2 */
+ PLL_BWADJ_MASK = 0x0fff,
+
+ /* PLL CON3 */
+ PLL_RESET_SHIFT = 5,
+
+ /* GRF_SOC_STATUS0 */
+ SOCSTS_DPLL_LOCK = 1 << 5,
+ SOCSTS_APLL_LOCK = 1 << 6,
+ SOCSTS_CPLL_LOCK = 1 << 7,
+ SOCSTS_GPLL_LOCK = 1 << 8,
+};
+
+#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, _nr, _no) {\
+ .nr = _nr, .nf = (u32)((u64)hz * _nr * _no / OSC_HZ), .no = _no};\
+ _Static_assert(((u64)hz * _nr * _no / OSC_HZ) * OSC_HZ /\
+ (_nr * _no) == hz, #hz "Hz cannot be hit with PLL "\
+ "divisors on line " __stringify(__LINE__));
+
+/* Keep divisors as low as possible to reduce jitter and power usage */
+#ifdef CONFIG_SPL_BUILD
+static const struct pll_div gpll_init_cfg = PLL_DIVISORS(GPLL_HZ, 2, 2);
+static const struct pll_div cpll_init_cfg = PLL_DIVISORS(CPLL_HZ, 1, 2);
+#endif
+
+static int rkclk_set_pll(struct rk3188_cru *cru, enum rk_clk_id clk_id,
+ const struct pll_div *div, bool has_bwadj)
+{
+ int pll_id = rk_pll_id(clk_id);
+ struct rk3188_pll *pll = &cru->pll[pll_id];
+ /* All PLLs have same VCO and output frequency range restrictions. */
+ uint vco_hz = OSC_HZ / 1000 * div->nf / div->nr * 1000;
+ uint output_hz = vco_hz / div->no;
+
+ debug("PLL at %x: nf=%d, nr=%d, no=%d, vco=%u Hz, output=%u Hz\n",
+ (uint)pll, div->nf, div->nr, div->no, vco_hz, output_hz);
+ assert(vco_hz >= VCO_MIN_HZ && vco_hz <= VCO_MAX_HZ &&
+ output_hz >= OUTPUT_MIN_HZ && output_hz <= OUTPUT_MAX_HZ &&
+ (div->no == 1 || !(div->no % 2)));
+
+ /* enter reset */
+ rk_setreg(&pll->con3, 1 << PLL_RESET_SHIFT);
+
+ rk_clrsetreg(&pll->con0,
+ CLKR_MASK << CLKR_SHIFT | PLL_OD_MASK,
+ ((div->nr - 1) << CLKR_SHIFT) | (div->no - 1));
+ rk_clrsetreg(&pll->con1, CLKF_MASK, div->nf - 1);
+
+ if (has_bwadj)
+ rk_clrsetreg(&pll->con2, PLL_BWADJ_MASK, (div->nf >> 1) - 1);
+
+ udelay(10);
+
+ /* return from reset */
+ rk_clrreg(&pll->con3, 1 << PLL_RESET_SHIFT);
+
+ return 0;
+}
+
+static int rkclk_configure_ddr(struct rk3188_cru *cru, struct rk3188_grf *grf,
+ unsigned int hz, bool has_bwadj)
+{
+ static const struct pll_div dpll_cfg[] = {
+ {.nf = 25, .nr = 2, .no = 1},
+ {.nf = 400, .nr = 9, .no = 2},
+ {.nf = 500, .nr = 9, .no = 2},
+ {.nf = 100, .nr = 3, .no = 1},
+ };
+ int cfg;
+
+ switch (hz) {
+ case 300000000:
+ cfg = 0;
+ break;
+ case 533000000: /* actually 533.3P MHz */
+ cfg = 1;
+ break;
+ case 666000000: /* actually 666.6P MHz */
+ cfg = 2;
+ break;
+ case 800000000:
+ cfg = 3;
+ break;
+ default:
+ debug("Unsupported SDRAM frequency");
+ return -EINVAL;
+ }
+
+ /* pll enter slow-mode */
+ rk_clrsetreg(&cru->cru_mode_con, DPLL_MODE_MASK << DPLL_MODE_SHIFT,
+ DPLL_MODE_SLOW << DPLL_MODE_SHIFT);
+
+ rkclk_set_pll(cru, CLK_DDR, &dpll_cfg[cfg], has_bwadj);
+
+ /* wait for pll lock */
+ while (!(readl(&grf->soc_status0) & SOCSTS_DPLL_LOCK))
+ udelay(1);
+
+ /* PLL enter normal-mode */
+ rk_clrsetreg(&cru->cru_mode_con, DPLL_MODE_MASK << DPLL_MODE_SHIFT,
+ DPLL_MODE_NORMAL << DPLL_MODE_SHIFT);
+
+ return 0;
+}
+
+/* Get pll rate by id */
+static uint32_t rkclk_pll_get_rate(struct rk3188_cru *cru,
+ enum rk_clk_id clk_id)
+{
+ uint32_t nr, no, nf;
+ uint32_t con;
+ int pll_id = rk_pll_id(clk_id);
+ struct rk3188_pll *pll = &cru->pll[pll_id];
+ static u8 clk_shift[CLK_COUNT] = {
+ 0xff, APLL_MODE_SHIFT, DPLL_MODE_SHIFT, CPLL_MODE_SHIFT,
+ GPLL_MODE_SHIFT
+ };
+ uint shift;
+
+ con = readl(&cru->cru_mode_con);
+ shift = clk_shift[clk_id];
+ switch ((con >> shift) & APLL_MODE_MASK) {
+ case APLL_MODE_SLOW:
+ return OSC_HZ;
+ case APLL_MODE_NORMAL:
+ /* normal mode */
+ con = readl(&pll->con0);
+ no = ((con >> CLKOD_SHIFT) & CLKOD_MASK) + 1;
+ nr = ((con >> CLKR_SHIFT) & CLKR_MASK) + 1;
+ con = readl(&pll->con1);
+ nf = ((con >> CLKF_SHIFT) & CLKF_MASK) + 1;
+
+ return (24 * nf / (nr * no)) * 1000000;
+ case APLL_MODE_DEEP:
+ default:
+ return 32768;
+ }
+}
+
+static ulong rockchip_mmc_get_clk(struct rk3188_cru *cru, uint gclk_rate,
+ int periph)
+{
+ uint div;
+ u32 con;
+
+ switch (periph) {
+ case HCLK_EMMC:
+ con = readl(&cru->cru_clksel_con[12]);
+ div = (con >> EMMC_DIV_SHIFT) & EMMC_DIV_MASK;
+ break;
+ case HCLK_SDMMC:
+ con = readl(&cru->cru_clksel_con[11]);
+ div = (con >> MMC0_DIV_SHIFT) & MMC0_DIV_MASK;
+ break;
+ case HCLK_SDIO:
+ con = readl(&cru->cru_clksel_con[12]);
+ div = (con >> SDIO_DIV_SHIFT) & SDIO_DIV_MASK;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return DIV_TO_RATE(gclk_rate, div);
+}
+
+static ulong rockchip_mmc_set_clk(struct rk3188_cru *cru, uint gclk_rate,
+ int periph, uint freq)
+{
+ int src_clk_div;
+
+ debug("%s: gclk_rate=%u\n", __func__, gclk_rate);
+ src_clk_div = RATE_TO_DIV(gclk_rate, freq);
+ assert(src_clk_div <= 0x3f);
+
+ switch (periph) {
+ case HCLK_EMMC:
+ rk_clrsetreg(&cru->cru_clksel_con[12],
+ EMMC_DIV_MASK << EMMC_DIV_SHIFT,
+ src_clk_div << EMMC_DIV_SHIFT);
+ break;
+ case HCLK_SDMMC:
+ rk_clrsetreg(&cru->cru_clksel_con[11],
+ MMC0_DIV_MASK << MMC0_DIV_SHIFT,
+ src_clk_div << MMC0_DIV_SHIFT);
+ break;
+ case HCLK_SDIO:
+ rk_clrsetreg(&cru->cru_clksel_con[12],
+ SDIO_DIV_MASK << SDIO_DIV_SHIFT,
+ src_clk_div << SDIO_DIV_SHIFT);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return rockchip_mmc_get_clk(cru, gclk_rate, periph);
+}
+
+static ulong rockchip_spi_get_clk(struct rk3188_cru *cru, uint gclk_rate,
+ int periph)
+{
+ uint div;
+ u32 con;
+
+ switch (periph) {
+ case SCLK_SPI0:
+ con = readl(&cru->cru_clksel_con[25]);
+ div = (con >> SPI0_DIV_SHIFT) & SPI0_DIV_MASK;
+ break;
+ case SCLK_SPI1:
+ con = readl(&cru->cru_clksel_con[25]);
+ div = (con >> SPI1_DIV_SHIFT) & SPI1_DIV_MASK;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return DIV_TO_RATE(gclk_rate, div);
+}
+
+static ulong rockchip_spi_set_clk(struct rk3188_cru *cru, uint gclk_rate,
+ int periph, uint freq)
+{
+ int src_clk_div = RATE_TO_DIV(gclk_rate, freq);
+
+ switch (periph) {
+ case SCLK_SPI0:
+ assert(src_clk_div <= SPI0_DIV_MASK);
+ rk_clrsetreg(&cru->cru_clksel_con[25],
+ SPI0_DIV_MASK << SPI0_DIV_SHIFT,
+ src_clk_div << SPI0_DIV_SHIFT);
+ break;
+ case SCLK_SPI1:
+ assert(src_clk_div <= SPI1_DIV_MASK);
+ rk_clrsetreg(&cru->cru_clksel_con[25],
+ SPI1_DIV_MASK << SPI1_DIV_SHIFT,
+ src_clk_div << SPI1_DIV_SHIFT);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return rockchip_spi_get_clk(cru, gclk_rate, periph);
+}
+
+#ifdef CONFIG_SPL_BUILD
+static void rkclk_init(struct rk3188_cru *cru, struct rk3188_grf *grf,
+ bool has_bwadj)
+{
+ u32 aclk_div, hclk_div, pclk_div, h2p_div;
+
+ /* pll enter slow-mode */
+ rk_clrsetreg(&cru->cru_mode_con,
+ GPLL_MODE_MASK << GPLL_MODE_SHIFT |
+ CPLL_MODE_MASK << CPLL_MODE_SHIFT,
+ GPLL_MODE_SLOW << GPLL_MODE_SHIFT |
+ CPLL_MODE_SLOW << CPLL_MODE_SHIFT);
+
+ /* init pll */
+ rkclk_set_pll(cru, CLK_GENERAL, &gpll_init_cfg, has_bwadj);
+ rkclk_set_pll(cru, CLK_CODEC, &cpll_init_cfg, has_bwadj);
+
+ /* waiting for pll lock */
+ while ((readl(&grf->soc_status0) &
+ (SOCSTS_CPLL_LOCK | SOCSTS_GPLL_LOCK)) !=
+ (SOCSTS_CPLL_LOCK | SOCSTS_GPLL_LOCK))
+ udelay(1);
+
+ /*
+ * cpu clock pll source selection and
+ * reparent aclk_cpu_pre from apll to gpll
+ * set up dependent divisors for PCLK/HCLK and ACLK clocks.
+ */
+ aclk_div = RATE_TO_DIV(GPLL_HZ, CPU_ACLK_HZ);
+ assert((aclk_div + 1) * CPU_ACLK_HZ == GPLL_HZ && aclk_div < 0x1f);
+
+ rk_clrsetreg(&cru->cru_clksel_con[0],
+ CPU_ACLK_PLL_MASK << CPU_ACLK_PLL_SHIFT |
+ A9_CPU_DIV_MASK << A9_CPU_DIV_SHIFT,
+ CPU_ACLK_PLL_SELECT_GPLL << CPU_ACLK_PLL_SHIFT |
+ aclk_div << A9_CPU_DIV_SHIFT);
+
+ hclk_div = ilog2(CPU_ACLK_HZ / CPU_HCLK_HZ);
+ assert((1 << hclk_div) * CPU_HCLK_HZ == CPU_ACLK_HZ && hclk_div < 0x3);
+ pclk_div = ilog2(CPU_ACLK_HZ / CPU_PCLK_HZ);
+ assert((1 << pclk_div) * CPU_PCLK_HZ == CPU_ACLK_HZ && pclk_div < 0x4);
+ h2p_div = ilog2(CPU_HCLK_HZ / CPU_H2P_HZ);
+ assert((1 << h2p_div) * CPU_H2P_HZ == CPU_HCLK_HZ && pclk_div < 0x3);
+
+ rk_clrsetreg(&cru->cru_clksel_con[1],
+ AHB2APB_DIV_MASK << AHB2APB_DIV_SHIFT |
+ CPU_PCLK_DIV_MASK << CPU_PCLK_DIV_SHIFT |
+ CPU_HCLK_DIV_MASK << CPU_HCLK_DIV_SHIFT,
+ h2p_div << AHB2APB_DIV_SHIFT |
+ pclk_div << CPU_PCLK_DIV_SHIFT |
+ hclk_div << CPU_HCLK_DIV_SHIFT);
+
+ /*
+ * peri clock pll source selection and
+ * set up dependent divisors for PCLK/HCLK and ACLK clocks.
+ */
+ aclk_div = GPLL_HZ / PERI_ACLK_HZ - 1;
+ assert((aclk_div + 1) * PERI_ACLK_HZ == GPLL_HZ && aclk_div < 0x1f);
+
+ hclk_div = ilog2(PERI_ACLK_HZ / PERI_HCLK_HZ);
+ assert((1 << hclk_div) * PERI_HCLK_HZ ==
+ PERI_ACLK_HZ && (hclk_div < 0x4));
+
+ pclk_div = ilog2(PERI_ACLK_HZ / PERI_PCLK_HZ);
+ assert((1 << pclk_div) * PERI_PCLK_HZ ==
+ PERI_ACLK_HZ && (pclk_div < 0x4));
+
+ rk_clrsetreg(&cru->cru_clksel_con[10],
+ PERI_PCLK_DIV_MASK << PERI_PCLK_DIV_SHIFT |
+ PERI_HCLK_DIV_MASK << PERI_HCLK_DIV_SHIFT |
+ PERI_ACLK_DIV_MASK << PERI_ACLK_DIV_SHIFT,
+ PERI_SEL_GPLL << PERI_SEL_PLL_SHIFT |
+ pclk_div << PERI_PCLK_DIV_SHIFT |
+ hclk_div << PERI_HCLK_DIV_SHIFT |
+ aclk_div << PERI_ACLK_DIV_SHIFT);
+
+ /* PLL enter normal-mode */
+ rk_clrsetreg(&cru->cru_mode_con,
+ GPLL_MODE_MASK << GPLL_MODE_SHIFT |
+ CPLL_MODE_MASK << CPLL_MODE_SHIFT,
+ GPLL_MODE_NORMAL << GPLL_MODE_SHIFT |
+ CPLL_MODE_NORMAL << CPLL_MODE_SHIFT);
+
+ rockchip_mmc_set_clk(cru, PERI_HCLK_HZ, HCLK_SDMMC, 16000000);
+}
+#endif
+
+static ulong rk3188_clk_get_rate(struct clk *clk)
+{
+ struct rk3188_clk_priv *priv = dev_get_priv(clk->dev);
+ ulong new_rate, gclk_rate;
+
+ gclk_rate = rkclk_pll_get_rate(priv->cru, CLK_GENERAL);
+ switch (clk->id) {
+ case 1 ... 4:
+ new_rate = rkclk_pll_get_rate(priv->cru, clk->id);
+ break;
+ case HCLK_EMMC:
+ case HCLK_SDMMC:
+ case HCLK_SDIO:
+ new_rate = rockchip_mmc_get_clk(priv->cru, PERI_HCLK_HZ,
+ clk->id);
+ break;
+ case SCLK_SPI0:
+ case SCLK_SPI1:
+ new_rate = rockchip_spi_get_clk(priv->cru, PERI_PCLK_HZ,
+ clk->id);
+ break;
+ case PCLK_I2C0:
+ case PCLK_I2C1:
+ case PCLK_I2C2:
+ case PCLK_I2C3:
+ case PCLK_I2C4:
+ return gclk_rate;
+ default:
+ return -ENOENT;
+ }
+
+ return new_rate;
+}
+
+static ulong rk3188_clk_set_rate(struct clk *clk, ulong rate)
+{
+ struct rk3188_clk_priv *priv = dev_get_priv(clk->dev);
+ struct rk3188_cru *cru = priv->cru;
+ ulong new_rate;
+
+ switch (clk->id) {
+ case CLK_DDR:
+ new_rate = rkclk_configure_ddr(priv->cru, priv->grf, rate,
+ priv->has_bwadj);
+ break;
+ case HCLK_EMMC:
+ case HCLK_SDMMC:
+ case HCLK_SDIO:
+ new_rate = rockchip_mmc_set_clk(cru, PERI_HCLK_HZ,
+ clk->id, rate);
+ break;
+ case SCLK_SPI0:
+ case SCLK_SPI1:
+ new_rate = rockchip_spi_set_clk(cru, PERI_PCLK_HZ,
+ clk->id, rate);
+ break;
+ default:
+ return -ENOENT;
+ }
+
+ return new_rate;
+}
+
+static struct clk_ops rk3188_clk_ops = {
+ .get_rate = rk3188_clk_get_rate,
+ .set_rate = rk3188_clk_set_rate,
+};
+
+static int rk3188_clk_ofdata_to_platdata(struct udevice *dev)
+{
+#if !CONFIG_IS_ENABLED(OF_PLATDATA)
+ struct rk3188_clk_priv *priv = dev_get_priv(dev);
+
+ priv->cru = (struct rk3188_cru *)dev_get_addr(dev);
+#endif
+
+ return 0;
+}
+
+static int rk3188_clk_probe(struct udevice *dev)
+{
+ struct rk3188_clk_priv *priv = dev_get_priv(dev);
+ enum rk3188_clk_type type = dev_get_driver_data(dev);
+
+ priv->grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF);
+ if (IS_ERR(priv->grf))
+ return PTR_ERR(priv->grf);
+ priv->has_bwadj = (type == RK3188A_CRU) ? 1 : 0;
+
+#ifdef CONFIG_SPL_BUILD
+#if CONFIG_IS_ENABLED(OF_PLATDATA)
+ struct rk3188_clk_plat *plat = dev_get_platdata(dev);
+
+ priv->cru = map_sysmem(plat->dtd.reg[0], plat->dtd.reg[1]);
+#endif
+
+ rkclk_init(priv->cru, priv->grf, priv->has_bwadj);
+#endif
+
+ return 0;
+}
+
+static int rk3188_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, "rk3188_sysreset", "reset", &dev);
+ if (ret)
+ debug("Warning: No rk3188 reset driver: ret=%d\n", ret);
+
+ return 0;
+}
+
+static const struct udevice_id rk3188_clk_ids[] = {
+ { .compatible = "rockchip,rk3188-cru", .data = RK3188_CRU },
+ { .compatible = "rockchip,rk3188a-cru", .data = RK3188A_CRU },
+ { }
+};
+
+U_BOOT_DRIVER(rockchip_rk3188_cru) = {
+ .name = "rockchip_rk3188_cru",
+ .id = UCLASS_CLK,
+ .of_match = rk3188_clk_ids,
+ .priv_auto_alloc_size = sizeof(struct rk3188_clk_priv),
+ .platdata_auto_alloc_size = sizeof(struct rk3188_clk_plat),
+ .ops = &rk3188_clk_ops,
+ .bind = rk3188_clk_bind,
+ .ofdata_to_platdata = rk3188_clk_ofdata_to_platdata,
+ .probe = rk3188_clk_probe,
+};
diff --git a/drivers/clk/rockchip/clk_rk3288.c b/drivers/clk/rockchip/clk_rk3288.c
index d15504c3aa..78356766a7 100644
--- a/drivers/clk/rockchip/clk_rk3288.c
+++ b/drivers/clk/rockchip/clk_rk3288.c
@@ -131,8 +131,10 @@ enum {
/* Keep divisors as low as possible to reduce jitter and power usage */
static const struct pll_div apll_init_cfg = PLL_DIVISORS(APLL_HZ, 1, 1);
+#ifdef CONFIG_SPL_BUILD
static const struct pll_div gpll_init_cfg = PLL_DIVISORS(GPLL_HZ, 2, 2);
static const struct pll_div cpll_init_cfg = PLL_DIVISORS(CPLL_HZ, 1, 2);
+#endif
static int rkclk_set_pll(struct rk3288_cru *cru, enum rk_clk_id clk_id,
const struct pll_div *div)
diff --git a/drivers/clk/rockchip/clk_rk3328.c b/drivers/clk/rockchip/clk_rk3328.c
new file mode 100644
index 0000000000..0ff1e30bb5
--- /dev/null
+++ b/drivers/clk/rockchip/clk_rk3328.c
@@ -0,0 +1,581 @@
+/*
+ * (C) Copyright 2017 Rockchip Electronics Co., Ltd
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ */
+
+#include <common.h>
+#include <clk-uclass.h>
+#include <dm.h>
+#include <errno.h>
+#include <syscon.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/cru_rk3328.h>
+#include <asm/arch/hardware.h>
+#include <asm/io.h>
+#include <dm/lists.h>
+#include <dt-bindings/clock/rk3328-cru.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+struct pll_div {
+ u32 refdiv;
+ u32 fbdiv;
+ u32 postdiv1;
+ u32 postdiv2;
+ u32 frac;
+};
+
+#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 const struct pll_div gpll_init_cfg = PLL_DIVISORS(GPLL_HZ, 1, 4, 1);
+static const struct pll_div cpll_init_cfg = PLL_DIVISORS(CPLL_HZ, 2, 2, 1);
+
+static const struct pll_div apll_816_cfg = PLL_DIVISORS(816 * MHz, 1, 2, 1);
+static const struct pll_div apll_600_cfg = PLL_DIVISORS(600 * MHz, 1, 3, 1);
+
+static const struct pll_div *apll_cfgs[] = {
+ [APLL_816_MHZ] = &apll_816_cfg,
+ [APLL_600_MHZ] = &apll_600_cfg,
+};
+
+enum {
+ /* PLL_CON0 */
+ PLL_POSTDIV1_SHIFT = 12,
+ PLL_POSTDIV1_MASK = 0x7 << PLL_POSTDIV1_SHIFT,
+ PLL_FBDIV_SHIFT = 0,
+ PLL_FBDIV_MASK = 0xfff,
+
+ /* PLL_CON1 */
+ PLL_DSMPD_SHIFT = 12,
+ PLL_DSMPD_MASK = 1 << PLL_DSMPD_SHIFT,
+ PLL_INTEGER_MODE = 1,
+ PLL_LOCK_STATUS_SHIFT = 10,
+ PLL_LOCK_STATUS_MASK = 1 << PLL_LOCK_STATUS_SHIFT,
+ PLL_POSTDIV2_SHIFT = 6,
+ PLL_POSTDIV2_MASK = 0x7 << PLL_POSTDIV2_SHIFT,
+ PLL_REFDIV_SHIFT = 0,
+ PLL_REFDIV_MASK = 0x3f,
+
+ /* PLL_CON2 */
+ PLL_FRACDIV_SHIFT = 0,
+ PLL_FRACDIV_MASK = 0xffffff,
+
+ /* MODE_CON */
+ APLL_MODE_SHIFT = 0,
+ NPLL_MODE_SHIFT = 1,
+ DPLL_MODE_SHIFT = 4,
+ CPLL_MODE_SHIFT = 8,
+ GPLL_MODE_SHIFT = 12,
+ PLL_MODE_SLOW = 0,
+ PLL_MODE_NORM,
+
+ /* CLKSEL_CON0 */
+ CLK_CORE_PLL_SEL_APLL = 0,
+ CLK_CORE_PLL_SEL_GPLL,
+ CLK_CORE_PLL_SEL_DPLL,
+ CLK_CORE_PLL_SEL_NPLL,
+ CLK_CORE_PLL_SEL_SHIFT = 6,
+ CLK_CORE_PLL_SEL_MASK = 3 << CLK_CORE_PLL_SEL_SHIFT,
+ CLK_CORE_DIV_SHIFT = 0,
+ CLK_CORE_DIV_MASK = 0x1f,
+
+ /* CLKSEL_CON1 */
+ ACLKM_CORE_DIV_SHIFT = 4,
+ ACLKM_CORE_DIV_MASK = 0x7 << ACLKM_CORE_DIV_SHIFT,
+ PCLK_DBG_DIV_SHIFT = 0,
+ PCLK_DBG_DIV_MASK = 0xF << PCLK_DBG_DIV_SHIFT,
+
+ /* CLKSEL_CON28 */
+ ACLK_PERIHP_PLL_SEL_CPLL = 0,
+ ACLK_PERIHP_PLL_SEL_GPLL,
+ ACLK_PERIHP_PLL_SEL_HDMIPHY,
+ ACLK_PERIHP_PLL_SEL_SHIFT = 6,
+ ACLK_PERIHP_PLL_SEL_MASK = 3 << ACLK_PERIHP_PLL_SEL_SHIFT,
+ ACLK_PERIHP_DIV_CON_SHIFT = 0,
+ ACLK_PERIHP_DIV_CON_MASK = 0x1f,
+
+ /* CLKSEL_CON29 */
+ PCLK_PERIHP_DIV_CON_SHIFT = 4,
+ PCLK_PERIHP_DIV_CON_MASK = 0x7 << PCLK_PERIHP_DIV_CON_SHIFT,
+ HCLK_PERIHP_DIV_CON_SHIFT = 0,
+ HCLK_PERIHP_DIV_CON_MASK = 3 << HCLK_PERIHP_DIV_CON_SHIFT,
+
+ /* CLKSEL_CON22 */
+ CLK_TSADC_DIV_CON_SHIFT = 0,
+ CLK_TSADC_DIV_CON_MASK = 0x3ff,
+
+ /* CLKSEL_CON23 */
+ CLK_SARADC_DIV_CON_SHIFT = 0,
+ CLK_SARADC_DIV_CON_MASK = 0x3ff << CLK_SARADC_DIV_CON_SHIFT,
+
+ /* CLKSEL_CON24 */
+ CLK_PWM_PLL_SEL_CPLL = 0,
+ CLK_PWM_PLL_SEL_GPLL,
+ CLK_PWM_PLL_SEL_SHIFT = 15,
+ CLK_PWM_PLL_SEL_MASK = 1 << CLK_PWM_PLL_SEL_SHIFT,
+ CLK_PWM_DIV_CON_SHIFT = 8,
+ CLK_PWM_DIV_CON_MASK = 0x7f << CLK_PWM_DIV_CON_SHIFT,
+
+ CLK_SPI_PLL_SEL_CPLL = 0,
+ CLK_SPI_PLL_SEL_GPLL,
+ CLK_SPI_PLL_SEL_SHIFT = 7,
+ CLK_SPI_PLL_SEL_MASK = 1 << CLK_SPI_PLL_SEL_SHIFT,
+ CLK_SPI_DIV_CON_SHIFT = 0,
+ CLK_SPI_DIV_CON_MASK = 0x7f << CLK_SPI_DIV_CON_SHIFT,
+
+ /* CLKSEL_CON30 */
+ CLK_SDMMC_PLL_SEL_CPLL = 0,
+ CLK_SDMMC_PLL_SEL_GPLL,
+ CLK_SDMMC_PLL_SEL_24M,
+ CLK_SDMMC_PLL_SEL_USBPHY,
+ CLK_SDMMC_PLL_SHIFT = 8,
+ CLK_SDMMC_PLL_MASK = 0x3 << CLK_SDMMC_PLL_SHIFT,
+ CLK_SDMMC_DIV_CON_SHIFT = 0,
+ CLK_SDMMC_DIV_CON_MASK = 0xff << CLK_SDMMC_DIV_CON_SHIFT,
+
+ /* CLKSEL_CON32 */
+ CLK_EMMC_PLL_SEL_CPLL = 0,
+ CLK_EMMC_PLL_SEL_GPLL,
+ CLK_EMMC_PLL_SEL_24M,
+ CLK_EMMC_PLL_SEL_USBPHY,
+ CLK_EMMC_PLL_SHIFT = 8,
+ CLK_EMMC_PLL_MASK = 0x3 << CLK_EMMC_PLL_SHIFT,
+ CLK_EMMC_DIV_CON_SHIFT = 0,
+ CLK_EMMC_DIV_CON_MASK = 0xff << CLK_EMMC_DIV_CON_SHIFT,
+
+ /* CLKSEL_CON34 */
+ CLK_I2C_PLL_SEL_CPLL = 0,
+ CLK_I2C_PLL_SEL_GPLL,
+ CLK_I2C_DIV_CON_MASK = 0x7f,
+ CLK_I2C_PLL_SEL_MASK = 1,
+ CLK_I2C1_PLL_SEL_SHIFT = 15,
+ CLK_I2C1_DIV_CON_SHIFT = 8,
+ CLK_I2C0_PLL_SEL_SHIFT = 7,
+ CLK_I2C0_DIV_CON_SHIFT = 0,
+
+ /* CLKSEL_CON35 */
+ CLK_I2C3_PLL_SEL_SHIFT = 15,
+ CLK_I2C3_DIV_CON_SHIFT = 8,
+ CLK_I2C2_PLL_SEL_SHIFT = 7,
+ CLK_I2C2_DIV_CON_SHIFT = 0,
+};
+
+#define VCO_MAX_KHZ (3200 * (MHz / KHz))
+#define VCO_MIN_KHZ (800 * (MHz / KHz))
+#define OUTPUT_MAX_KHZ (3200 * (MHz / KHz))
+#define OUTPUT_MIN_KHZ (16 * (MHz / KHz))
+
+/*
+ * the div restructions of pll in integer mode, these are defined in
+ * * CRU_*PLL_CON0 or PMUCRU_*PLL_CON0
+ */
+#define PLL_DIV_MIN 16
+#define PLL_DIV_MAX 3200
+
+/*
+ * How to calculate the PLL(from TRM V0.3 Part 1 Page 63):
+ * Formulas also embedded within the Fractional PLL Verilog model:
+ * If DSMPD = 1 (DSM is disabled, "integer mode")
+ * FOUTVCO = FREF / REFDIV * FBDIV
+ * FOUTPOSTDIV = FOUTVCO / POSTDIV1 / POSTDIV2
+ * Where:
+ * FOUTVCO = Fractional PLL non-divided output frequency
+ * FOUTPOSTDIV = Fractional PLL divided output frequency
+ * (output of second post divider)
+ * FREF = Fractional PLL input reference frequency, (the OSC_HZ 24MHz input)
+ * REFDIV = Fractional PLL input reference clock divider
+ * FBDIV = Integer value programmed into feedback divide
+ *
+ */
+static void rkclk_set_pll(struct rk3328_cru *cru, enum rk_clk_id clk_id,
+ const struct pll_div *div)
+{
+ u32 *pll_con;
+ u32 mode_shift, mode_mask;
+
+ pll_con = NULL;
+ mode_shift = 0;
+ switch (clk_id) {
+ case CLK_ARM:
+ pll_con = cru->apll_con;
+ mode_shift = APLL_MODE_SHIFT;
+ break;
+ case CLK_DDR:
+ pll_con = cru->dpll_con;
+ mode_shift = DPLL_MODE_SHIFT;
+ break;
+ case CLK_CODEC:
+ pll_con = cru->cpll_con;
+ mode_shift = CPLL_MODE_SHIFT;
+ break;
+ case CLK_GENERAL:
+ pll_con = cru->gpll_con;
+ mode_shift = GPLL_MODE_SHIFT;
+ break;
+ case CLK_NEW:
+ pll_con = cru->npll_con;
+ mode_shift = NPLL_MODE_SHIFT;
+ break;
+ default:
+ break;
+ }
+ mode_mask = 1 << mode_shift;
+
+ /* All 8 PLLs have same VCO and output frequency range restrictions. */
+ u32 vco_khz = OSC_HZ / 1000 * div->fbdiv / div->refdiv;
+ u32 output_khz = vco_khz / div->postdiv1 / div->postdiv2;
+
+ debug("PLL at %p: fbdiv=%d, refdiv=%d, postdiv1=%d, \
+ postdiv2=%d, vco=%u khz, output=%u khz\n",
+ pll_con, div->fbdiv, div->refdiv, div->postdiv1,
+ div->postdiv2, vco_khz, output_khz);
+ assert(vco_khz >= VCO_MIN_KHZ && vco_khz <= VCO_MAX_KHZ &&
+ output_khz >= OUTPUT_MIN_KHZ && output_khz <= OUTPUT_MAX_KHZ &&
+ div->fbdiv >= PLL_DIV_MIN && div->fbdiv <= PLL_DIV_MAX);
+
+ /*
+ * When power on or changing PLL setting,
+ * we must force PLL into slow mode to ensure output stable clock.
+ */
+ rk_clrsetreg(&cru->mode_con, mode_mask, PLL_MODE_SLOW << mode_shift);
+
+ /* use integer mode */
+ rk_clrsetreg(&pll_con[1], PLL_DSMPD_MASK,
+ PLL_INTEGER_MODE << PLL_DSMPD_SHIFT);
+
+ rk_clrsetreg(&pll_con[0],
+ PLL_FBDIV_MASK | PLL_POSTDIV1_MASK,
+ (div->fbdiv << PLL_FBDIV_SHIFT) |
+ (div->postdiv1 << PLL_POSTDIV1_SHIFT));
+ rk_clrsetreg(&pll_con[1],
+ PLL_POSTDIV2_MASK | PLL_REFDIV_MASK,
+ (div->postdiv2 << PLL_POSTDIV2_SHIFT) |
+ (div->refdiv << PLL_REFDIV_SHIFT));
+
+ /* waiting for pll lock */
+ while (!(readl(&pll_con[1]) & (1 << PLL_LOCK_STATUS_SHIFT)))
+ udelay(1);
+
+ /* pll enter normal mode */
+ rk_clrsetreg(&cru->mode_con, mode_mask, PLL_MODE_NORM << mode_shift);
+}
+
+static void rkclk_init(struct rk3328_cru *cru)
+{
+ u32 aclk_div;
+ u32 hclk_div;
+ u32 pclk_div;
+
+ /* configure gpll cpll */
+ rkclk_set_pll(cru, CLK_GENERAL, &gpll_init_cfg);
+ rkclk_set_pll(cru, CLK_CODEC, &cpll_init_cfg);
+
+ /* configure perihp aclk, hclk, pclk */
+ aclk_div = GPLL_HZ / PERIHP_ACLK_HZ - 1;
+ hclk_div = PERIHP_ACLK_HZ / PERIHP_HCLK_HZ - 1;
+ pclk_div = PERIHP_ACLK_HZ / PERIHP_PCLK_HZ - 1;
+
+ rk_clrsetreg(&cru->clksel_con[28],
+ ACLK_PERIHP_PLL_SEL_MASK | ACLK_PERIHP_DIV_CON_MASK,
+ ACLK_PERIHP_PLL_SEL_GPLL << ACLK_PERIHP_PLL_SEL_SHIFT |
+ aclk_div << ACLK_PERIHP_DIV_CON_SHIFT);
+ rk_clrsetreg(&cru->clksel_con[29],
+ PCLK_PERIHP_DIV_CON_MASK | HCLK_PERIHP_DIV_CON_MASK,
+ pclk_div << PCLK_PERIHP_DIV_CON_SHIFT |
+ hclk_div << HCLK_PERIHP_DIV_CON_SHIFT);
+}
+
+void rk3328_configure_cpu(struct rk3328_cru *cru,
+ enum apll_frequencies apll_freq)
+{
+ u32 clk_core_div;
+ u32 aclkm_div;
+ u32 pclk_dbg_div;
+
+ rkclk_set_pll(cru, CLK_ARM, apll_cfgs[apll_freq]);
+
+ clk_core_div = APLL_HZ / CLK_CORE_HZ - 1;
+ aclkm_div = APLL_HZ / ACLKM_CORE_HZ / (clk_core_div + 1) - 1;
+ pclk_dbg_div = APLL_HZ / PCLK_DBG_HZ / (clk_core_div + 1) - 1;
+
+ rk_clrsetreg(&cru->clksel_con[0],
+ CLK_CORE_PLL_SEL_MASK | CLK_CORE_DIV_MASK,
+ CLK_CORE_PLL_SEL_APLL << CLK_CORE_PLL_SEL_SHIFT |
+ clk_core_div << CLK_CORE_DIV_SHIFT);
+
+ rk_clrsetreg(&cru->clksel_con[1],
+ PCLK_DBG_DIV_MASK | ACLKM_CORE_DIV_MASK,
+ pclk_dbg_div << PCLK_DBG_DIV_SHIFT |
+ aclkm_div << ACLKM_CORE_DIV_SHIFT);
+}
+
+
+static ulong rk3328_i2c_get_clk(struct rk3328_cru *cru, ulong clk_id)
+{
+ u32 div, con;
+
+ switch (clk_id) {
+ case SCLK_I2C0:
+ con = readl(&cru->clksel_con[34]);
+ div = con >> CLK_I2C0_DIV_CON_SHIFT & CLK_I2C_DIV_CON_MASK;
+ break;
+ case SCLK_I2C1:
+ con = readl(&cru->clksel_con[34]);
+ div = con >> CLK_I2C1_DIV_CON_SHIFT & CLK_I2C_DIV_CON_MASK;
+ break;
+ case SCLK_I2C2:
+ con = readl(&cru->clksel_con[35]);
+ div = con >> CLK_I2C2_DIV_CON_SHIFT & CLK_I2C_DIV_CON_MASK;
+ break;
+ case SCLK_I2C3:
+ con = readl(&cru->clksel_con[35]);
+ div = con >> CLK_I2C3_DIV_CON_SHIFT & CLK_I2C_DIV_CON_MASK;
+ break;
+ default:
+ printf("do not support this i2c bus\n");
+ return -EINVAL;
+ }
+
+ return DIV_TO_RATE(GPLL_HZ, div);
+}
+
+static ulong rk3328_i2c_set_clk(struct rk3328_cru *cru, ulong clk_id, uint hz)
+{
+ int src_clk_div;
+
+ src_clk_div = GPLL_HZ / hz;
+ assert(src_clk_div - 1 < 127);
+
+ switch (clk_id) {
+ case SCLK_I2C0:
+ rk_clrsetreg(&cru->clksel_con[34],
+ CLK_I2C_DIV_CON_MASK << CLK_I2C0_DIV_CON_SHIFT |
+ CLK_I2C_PLL_SEL_MASK << CLK_I2C0_PLL_SEL_SHIFT,
+ (src_clk_div - 1) << CLK_I2C0_DIV_CON_SHIFT |
+ CLK_I2C_PLL_SEL_GPLL << CLK_I2C0_PLL_SEL_SHIFT);
+ break;
+ case SCLK_I2C1:
+ rk_clrsetreg(&cru->clksel_con[34],
+ CLK_I2C_DIV_CON_MASK << CLK_I2C1_DIV_CON_SHIFT |
+ CLK_I2C_PLL_SEL_MASK << CLK_I2C1_PLL_SEL_SHIFT,
+ (src_clk_div - 1) << CLK_I2C1_DIV_CON_SHIFT |
+ CLK_I2C_PLL_SEL_GPLL << CLK_I2C1_PLL_SEL_SHIFT);
+ break;
+ case SCLK_I2C2:
+ rk_clrsetreg(&cru->clksel_con[35],
+ CLK_I2C_DIV_CON_MASK << CLK_I2C2_DIV_CON_SHIFT |
+ CLK_I2C_PLL_SEL_MASK << CLK_I2C2_PLL_SEL_SHIFT,
+ (src_clk_div - 1) << CLK_I2C2_DIV_CON_SHIFT |
+ CLK_I2C_PLL_SEL_GPLL << CLK_I2C2_PLL_SEL_SHIFT);
+ break;
+ case SCLK_I2C3:
+ rk_clrsetreg(&cru->clksel_con[35],
+ CLK_I2C_DIV_CON_MASK << CLK_I2C3_DIV_CON_SHIFT |
+ CLK_I2C_PLL_SEL_MASK << CLK_I2C3_PLL_SEL_SHIFT,
+ (src_clk_div - 1) << CLK_I2C3_DIV_CON_SHIFT |
+ CLK_I2C_PLL_SEL_GPLL << CLK_I2C3_PLL_SEL_SHIFT);
+ break;
+ default:
+ printf("do not support this i2c bus\n");
+ return -EINVAL;
+ }
+
+ return DIV_TO_RATE(GPLL_HZ, src_clk_div);
+}
+
+static ulong rk3328_mmc_get_clk(struct rk3328_cru *cru, uint clk_id)
+{
+ u32 div, con, con_id;
+
+ switch (clk_id) {
+ case HCLK_SDMMC:
+ con_id = 30;
+ break;
+ case HCLK_EMMC:
+ con_id = 32;
+ break;
+ default:
+ return -EINVAL;
+ }
+ con = readl(&cru->clksel_con[con_id]);
+ div = (con & CLK_EMMC_DIV_CON_MASK) >> CLK_EMMC_DIV_CON_SHIFT;
+
+ if ((con & CLK_EMMC_PLL_MASK) >> CLK_EMMC_PLL_SHIFT
+ == CLK_EMMC_PLL_SEL_24M)
+ return DIV_TO_RATE(OSC_HZ, div);
+ else
+ return DIV_TO_RATE(GPLL_HZ, div);
+}
+
+static ulong rk3328_mmc_set_clk(struct rk3328_cru *cru,
+ ulong clk_id, ulong set_rate)
+{
+ int src_clk_div;
+ u32 con_id;
+
+ switch (clk_id) {
+ case HCLK_SDMMC:
+ con_id = 30;
+ break;
+ case HCLK_EMMC:
+ con_id = 32;
+ break;
+ default:
+ return -EINVAL;
+ }
+ /* Select clk_sdmmc/emmc source from GPLL by default */
+ src_clk_div = GPLL_HZ / set_rate;
+
+ if (src_clk_div > 127) {
+ /* use 24MHz source for 400KHz clock */
+ src_clk_div = OSC_HZ / set_rate;
+ rk_clrsetreg(&cru->clksel_con[con_id],
+ CLK_EMMC_PLL_MASK | CLK_EMMC_DIV_CON_MASK,
+ CLK_EMMC_PLL_SEL_24M << CLK_EMMC_PLL_SHIFT |
+ (src_clk_div - 1) << CLK_EMMC_DIV_CON_SHIFT);
+ } else {
+ rk_clrsetreg(&cru->clksel_con[con_id],
+ CLK_EMMC_PLL_MASK | CLK_EMMC_DIV_CON_MASK,
+ CLK_EMMC_PLL_SEL_GPLL << CLK_EMMC_PLL_SHIFT |
+ (src_clk_div - 1) << CLK_EMMC_DIV_CON_SHIFT);
+ }
+
+ return rk3328_mmc_get_clk(cru, clk_id);
+}
+
+static ulong rk3328_pwm_get_clk(struct rk3328_cru *cru)
+{
+ u32 div, con;
+
+ con = readl(&cru->clksel_con[24]);
+ div = (con & CLK_PWM_DIV_CON_MASK) >> CLK_PWM_DIV_CON_SHIFT;
+
+ return DIV_TO_RATE(GPLL_HZ, div);
+}
+
+static ulong rk3328_pwm_set_clk(struct rk3328_cru *cru, uint hz)
+{
+ u32 div = GPLL_HZ / hz;
+
+ rk_clrsetreg(&cru->clksel_con[24],
+ CLK_PWM_PLL_SEL_MASK | CLK_PWM_DIV_CON_MASK,
+ CLK_PWM_PLL_SEL_GPLL << CLK_PWM_PLL_SEL_SHIFT |
+ (div - 1) << CLK_PWM_DIV_CON_SHIFT);
+
+ return DIV_TO_RATE(GPLL_HZ, div);
+}
+
+static ulong rk3328_clk_get_rate(struct clk *clk)
+{
+ struct rk3328_clk_priv *priv = dev_get_priv(clk->dev);
+ ulong rate = 0;
+
+ switch (clk->id) {
+ case 0 ... 29:
+ return 0;
+ case HCLK_SDMMC:
+ case HCLK_EMMC:
+ rate = rk3328_mmc_get_clk(priv->cru, clk->id);
+ break;
+ case SCLK_I2C0:
+ case SCLK_I2C1:
+ case SCLK_I2C2:
+ case SCLK_I2C3:
+ rate = rk3328_i2c_get_clk(priv->cru, clk->id);
+ break;
+ case SCLK_PWM:
+ rate = rk3328_pwm_get_clk(priv->cru);
+ break;
+ default:
+ return -ENOENT;
+ }
+
+ return rate;
+}
+
+static ulong rk3328_clk_set_rate(struct clk *clk, ulong rate)
+{
+ struct rk3328_clk_priv *priv = dev_get_priv(clk->dev);
+ ulong ret = 0;
+
+ switch (clk->id) {
+ case 0 ... 29:
+ return 0;
+ case HCLK_SDMMC:
+ case HCLK_EMMC:
+ ret = rk3328_mmc_set_clk(priv->cru, clk->id, rate);
+ break;
+ case SCLK_I2C0:
+ case SCLK_I2C1:
+ case SCLK_I2C2:
+ case SCLK_I2C3:
+ ret = rk3328_i2c_set_clk(priv->cru, clk->id, rate);
+ break;
+ case SCLK_PWM:
+ ret = rk3328_pwm_set_clk(priv->cru, rate);
+ break;
+ default:
+ return -ENOENT;
+ }
+
+ return ret;
+}
+
+static struct clk_ops rk3328_clk_ops = {
+ .get_rate = rk3328_clk_get_rate,
+ .set_rate = rk3328_clk_set_rate,
+};
+
+static int rk3328_clk_probe(struct udevice *dev)
+{
+ struct rk3328_clk_priv *priv = dev_get_priv(dev);
+
+ rkclk_init(priv->cru);
+
+ return 0;
+}
+
+static int rk3328_clk_ofdata_to_platdata(struct udevice *dev)
+{
+ struct rk3328_clk_priv *priv = dev_get_priv(dev);
+
+ priv->cru = (struct rk3328_cru *)dev_get_addr(dev);
+
+ return 0;
+}
+
+static int rk3328_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, "rk3328_sysreset", "reset", &dev);
+ if (ret)
+ printf("Warning: No RK3328 reset driver: ret=%d\n", ret);
+
+ return ret;
+}
+
+static const struct udevice_id rk3328_clk_ids[] = {
+ { .compatible = "rockchip,rk3328-cru" },
+ { }
+};
+
+U_BOOT_DRIVER(rockchip_rk3328_cru) = {
+ .name = "rockchip_rk3328_cru",
+ .id = UCLASS_CLK,
+ .of_match = rk3328_clk_ids,
+ .priv_auto_alloc_size = sizeof(struct rk3328_clk_priv),
+ .ofdata_to_platdata = rk3328_clk_ofdata_to_platdata,
+ .ops = &rk3328_clk_ops,
+ .bind = rk3328_clk_bind,
+ .probe = rk3328_clk_probe,
+};
diff --git a/drivers/clk/rockchip/clk_rk3399.c b/drivers/clk/rockchip/clk_rk3399.c
index 2e87e4b62d..922ce7e549 100644
--- a/drivers/clk/rockchip/clk_rk3399.c
+++ b/drivers/clk/rockchip/clk_rk3399.c
@@ -7,7 +7,9 @@
#include <common.h>
#include <clk-uclass.h>
#include <dm.h>
+#include <dt-structs.h>
#include <errno.h>
+#include <mapmem.h>
#include <syscon.h>
#include <asm/io.h>
#include <asm/arch/clock.h>
@@ -18,10 +20,16 @@
DECLARE_GLOBAL_DATA_PTR;
-struct rk3399_pmuclk_priv {
- struct rk3399_pmucru *pmucru;
+#if CONFIG_IS_ENABLED(OF_PLATDATA)
+struct rk3399_clk_plat {
+ struct dtd_rockchip_rk3399_cru dtd;
};
+struct rk3399_pmuclk_plat {
+ struct dtd_rockchip_rk3399_pmucru dtd;
+};
+#endif
+
struct pll_div {
u32 refdiv;
u32 fbdiv;
@@ -381,6 +389,7 @@ static int pll_para_config(u32 freq_hz, struct pll_div *div)
return 0;
}
+#ifdef CONFIG_SPL_BUILD
static void rkclk_init(struct rk3399_cru *cru)
{
u32 aclk_div;
@@ -456,6 +465,7 @@ static void rkclk_init(struct rk3399_cru *cru)
hclk_div << HCLK_PERILP1_DIV_CON_SHIFT |
HCLK_PERILP1_PLL_SEL_GPLL << HCLK_PERILP1_PLL_SEL_SHIFT);
}
+#endif
void rk3399_configure_cpu(struct rk3399_cru *cru,
enum apll_l_frequencies apll_l_freq)
@@ -709,6 +719,44 @@ static ulong rk3399_mmc_set_clk(struct rk3399_cru *cru,
return rk3399_mmc_get_clk(cru, clk_id);
}
+#define PMUSGRF_DDR_RGN_CON16 0xff330040
+static ulong rk3399_ddr_set_clk(struct rk3399_cru *cru,
+ ulong set_rate)
+{
+ struct pll_div dpll_cfg;
+
+ /* IC ECO bug, need to set this register */
+ writel(0xc000c000, PMUSGRF_DDR_RGN_CON16);
+
+ /* clk_ddrc == DPLL = 24MHz / refdiv * fbdiv / postdiv1 / postdiv2 */
+ switch (set_rate) {
+ case 200*MHz:
+ dpll_cfg = (struct pll_div)
+ {.refdiv = 1, .fbdiv = 50, .postdiv1 = 6, .postdiv2 = 1};
+ break;
+ case 300*MHz:
+ dpll_cfg = (struct pll_div)
+ {.refdiv = 2, .fbdiv = 100, .postdiv1 = 4, .postdiv2 = 1};
+ break;
+ case 666*MHz:
+ dpll_cfg = (struct pll_div)
+ {.refdiv = 2, .fbdiv = 111, .postdiv1 = 2, .postdiv2 = 1};
+ break;
+ case 800*MHz:
+ dpll_cfg = (struct pll_div)
+ {.refdiv = 1, .fbdiv = 100, .postdiv1 = 3, .postdiv2 = 1};
+ break;
+ case 933*MHz:
+ dpll_cfg = (struct pll_div)
+ {.refdiv = 1, .fbdiv = 116, .postdiv1 = 3, .postdiv2 = 1};
+ break;
+ default:
+ error("Unsupported SDRAM frequency!,%ld\n", set_rate);
+ }
+ rkclk_set_pll(&cru->dpll_con[0], &dpll_cfg);
+
+ return set_rate;
+}
static ulong rk3399_clk_get_rate(struct clk *clk)
{
struct rk3399_clk_priv *priv = dev_get_priv(clk->dev);
@@ -763,6 +811,9 @@ static ulong rk3399_clk_set_rate(struct clk *clk, ulong rate)
case DCLK_VOP1:
ret = rk3399_vop_set_clk(priv->cru, clk->id, rate);
break;
+ case SCLK_DDRCLK:
+ ret = rk3399_ddr_set_clk(priv->cru, rate);
+ break;
default:
return -ENOENT;
}
@@ -777,19 +828,26 @@ static struct clk_ops rk3399_clk_ops = {
static int rk3399_clk_probe(struct udevice *dev)
{
+#ifdef CONFIG_SPL_BUILD
struct rk3399_clk_priv *priv = dev_get_priv(dev);
- rkclk_init(priv->cru);
+#if CONFIG_IS_ENABLED(OF_PLATDATA)
+ struct rk3399_clk_plat *plat = dev_get_platdata(dev);
+ priv->cru = map_sysmem(plat->dtd.reg[1], plat->dtd.reg[3]);
+#endif
+ rkclk_init(priv->cru);
+#endif
return 0;
}
static int rk3399_clk_ofdata_to_platdata(struct udevice *dev)
{
+#if !CONFIG_IS_ENABLED(OF_PLATDATA)
struct rk3399_clk_priv *priv = dev_get_priv(dev);
priv->cru = (struct rk3399_cru *)dev_get_addr(dev);
-
+#endif
return 0;
}
@@ -811,7 +869,7 @@ static const struct udevice_id rk3399_clk_ids[] = {
};
U_BOOT_DRIVER(clk_rk3399) = {
- .name = "clk_rk3399",
+ .name = "rockchip_rk3399_cru",
.id = UCLASS_CLK,
.of_match = rk3399_clk_ids,
.priv_auto_alloc_size = sizeof(struct rk3399_clk_priv),
@@ -819,6 +877,9 @@ U_BOOT_DRIVER(clk_rk3399) = {
.ops = &rk3399_clk_ops,
.bind = rk3399_clk_bind,
.probe = rk3399_clk_probe,
+#if CONFIG_IS_ENABLED(OF_PLATDATA)
+ .platdata_auto_alloc_size = sizeof(struct rk3399_clk_plat),
+#endif
};
static ulong rk3399_i2c_get_pmuclk(struct rk3399_pmucru *pmucru, ulong clk_id)
@@ -930,6 +991,7 @@ static struct clk_ops rk3399_pmuclk_ops = {
.set_rate = rk3399_pmuclk_set_rate,
};
+#ifndef CONFIG_SPL_BUILD
static void pmuclk_init(struct rk3399_pmucru *pmucru)
{
u32 pclk_div;
@@ -939,27 +1001,35 @@ static void pmuclk_init(struct rk3399_pmucru *pmucru)
/* configure pmu pclk */
pclk_div = PPLL_HZ / PMU_PCLK_HZ - 1;
- assert((pclk_div + 1) * PMU_PCLK_HZ == PPLL_HZ && pclk_div < 0x1f);
rk_clrsetreg(&pmucru->pmucru_clksel[0],
PMU_PCLK_DIV_CON_MASK,
pclk_div << PMU_PCLK_DIV_CON_SHIFT);
}
+#endif
static int rk3399_pmuclk_probe(struct udevice *dev)
{
struct rk3399_pmuclk_priv *priv = dev_get_priv(dev);
- pmuclk_init(priv->pmucru);
+#if CONFIG_IS_ENABLED(OF_PLATDATA)
+ struct rk3399_pmuclk_plat *plat = dev_get_platdata(dev);
+
+ priv->pmucru = map_sysmem(plat->dtd.reg[1], plat->dtd.reg[3]);
+#endif
+#ifndef CONFIG_SPL_BUILD
+ pmuclk_init(priv->pmucru);
+#endif
return 0;
}
static int rk3399_pmuclk_ofdata_to_platdata(struct udevice *dev)
{
+#if !CONFIG_IS_ENABLED(OF_PLATDATA)
struct rk3399_pmuclk_priv *priv = dev_get_priv(dev);
priv->pmucru = (struct rk3399_pmucru *)dev_get_addr(dev);
-
+#endif
return 0;
}
@@ -969,11 +1039,14 @@ static const struct udevice_id rk3399_pmuclk_ids[] = {
};
U_BOOT_DRIVER(rockchip_rk3399_pmuclk) = {
- .name = "pmuclk_rk3399",
+ .name = "rockchip_rk3399_pmucru",
.id = UCLASS_CLK,
.of_match = rk3399_pmuclk_ids,
.priv_auto_alloc_size = sizeof(struct rk3399_pmuclk_priv),
.ofdata_to_platdata = rk3399_pmuclk_ofdata_to_platdata,
.ops = &rk3399_pmuclk_ops,
.probe = rk3399_pmuclk_probe,
+#if CONFIG_IS_ENABLED(OF_PLATDATA)
+ .platdata_auto_alloc_size = sizeof(struct rk3399_pmuclk_plat),
+#endif
};