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rk322x: update rk322x-edge kernel config, add DMC patches and overlays

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This commit is contained in:
Paolo Sabatino 2021-07-18 14:06:02 +00:00
parent 04914000b1
commit e4add7b8fd
6 changed files with 3210 additions and 246 deletions
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317
config/kernel/linux-rk322x-edge.config
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File diff suppressed because it is too large Load Diff

234
patch/kernel/archive/rk322x-5.12/03-0001-fix-ddr-clock-gate-add-SIP-v2-calls.patch Normal file
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@ -0,0 +1,234 @@
From e039790fb29227f646e91e6d7ec7c3e89c584243 Mon Sep 17 00:00:00 2001
From: Paolo Sabatino <paolo.sabatino@gmail.com>
Date: Tue, 6 Jul 2021 14:21:52 +0000
Subject: [PATCH 1/5] rk3228/rk3328: fix ddr clock gate, add SIP v2 calls
---
drivers/clk/rockchip/clk-ddr.c | 130 ++++++++++++++++++++++++++++++
drivers/clk/rockchip/clk-rk3228.c | 14 ++--
drivers/clk/rockchip/clk-rk3328.c | 7 +-
drivers/clk/rockchip/clk.h | 3 +-
4 files changed, 143 insertions(+), 11 deletions(-)
diff --git a/drivers/clk/rockchip/clk-ddr.c b/drivers/clk/rockchip/clk-ddr.c
index 86718c54e..b16b3795f 100644
--- a/drivers/clk/rockchip/clk-ddr.c
+++ b/drivers/clk/rockchip/clk-ddr.c
@@ -87,6 +87,133 @@ static const struct clk_ops rockchip_ddrclk_sip_ops = {
.get_parent = rockchip_ddrclk_get_parent,
};
+/* See v4.4/include/dt-bindings/display/rk_fb.h */
+#define SCREEN_NULL 0
+#define SCREEN_HDMI 6
+
+static inline int rk_drm_get_lcdc_type(void)
+{
+ return SCREEN_NULL;
+}
+
+struct share_params {
+ u32 hz;
+ u32 lcdc_type;
+ u32 vop;
+ u32 vop_dclk_mode;
+ u32 sr_idle_en;
+ u32 addr_mcu_el3;
+ /*
+ * 1: need to wait flag1
+ * 0: never wait flag1
+ */
+ u32 wait_flag1;
+ /*
+ * 1: need to wait flag1
+ * 0: never wait flag1
+ */
+ u32 wait_flag0;
+ u32 complt_hwirq;
+ /* if need, add parameter after */
+};
+
+struct rockchip_ddrclk_data {
+ u32 inited_flag;
+ void __iomem *share_memory;
+};
+
+static struct rockchip_ddrclk_data ddr_data;
+
+static void rockchip_ddrclk_data_init(void)
+{
+ struct arm_smccc_res res;
+
+ arm_smccc_smc(ROCKCHIP_SIP_SHARE_MEM,
+ 1, SHARE_PAGE_TYPE_DDR, 0,
+ 0, 0, 0, 0, &res);
+
+ if (!res.a0) {
+ ddr_data.share_memory = (void __iomem *)ioremap(res.a1, 1<<12);
+ ddr_data.inited_flag = 1;
+ }
+}
+
+static int rockchip_ddrclk_sip_set_rate_v2(struct clk_hw *hw,
+ unsigned long drate,
+ unsigned long prate)
+{
+ struct share_params *p;
+ struct arm_smccc_res res;
+
+ if (!ddr_data.inited_flag)
+ rockchip_ddrclk_data_init();
+
+ p = (struct share_params *)ddr_data.share_memory;
+
+ p->hz = drate;
+ p->lcdc_type = rk_drm_get_lcdc_type();
+ p->wait_flag1 = 1;
+ p->wait_flag0 = 1;
+
+ arm_smccc_smc(ROCKCHIP_SIP_DRAM_FREQ,
+ SHARE_PAGE_TYPE_DDR, 0,
+ ROCKCHIP_SIP_CONFIG_DRAM_SET_RATE,
+ 0, 0, 0, 0, &res);
+
+ if ((int)res.a1 == -6) {
+ pr_err("%s: timeout, drate = %lumhz\n", __func__, drate/1000000);
+ /* TODO: rockchip_dmcfreq_wait_complete(); */
+ }
+
+ return res.a0;
+}
+
+static unsigned long rockchip_ddrclk_sip_recalc_rate_v2
+ (struct clk_hw *hw, unsigned long parent_rate)
+{
+ struct arm_smccc_res res;
+
+ arm_smccc_smc(ROCKCHIP_SIP_DRAM_FREQ,
+ SHARE_PAGE_TYPE_DDR, 0,
+ ROCKCHIP_SIP_CONFIG_DRAM_GET_RATE,
+ 0, 0, 0, 0, &res);
+ if (!res.a0)
+ return res.a1;
+ else
+ return 0;
+}
+
+static long rockchip_ddrclk_sip_round_rate_v2(struct clk_hw *hw,
+ unsigned long rate,
+ unsigned long *prate)
+{
+ struct share_params *p;
+ struct arm_smccc_res res;
+
+ if (!ddr_data.inited_flag)
+ rockchip_ddrclk_data_init();
+
+ p = (struct share_params *)ddr_data.share_memory;
+
+ p->hz = rate;
+
+ arm_smccc_smc(ROCKCHIP_SIP_DRAM_FREQ,
+ SHARE_PAGE_TYPE_DDR, 0,
+ ROCKCHIP_SIP_CONFIG_DRAM_ROUND_RATE,
+ 0, 0, 0, 0, &res);
+ if (!res.a0)
+ return res.a1;
+ else
+ return 0;
+}
+
+static const struct clk_ops rockchip_ddrclk_sip_ops_v2 = {
+ .recalc_rate = rockchip_ddrclk_sip_recalc_rate_v2,
+ .set_rate = rockchip_ddrclk_sip_set_rate_v2,
+ .round_rate = rockchip_ddrclk_sip_round_rate_v2,
+ .get_parent = rockchip_ddrclk_get_parent,
+};
+
struct clk *rockchip_clk_register_ddrclk(const char *name, int flags,
const char *const *parent_names,
u8 num_parents, int mux_offset,
@@ -114,6 +241,9 @@ struct clk *rockchip_clk_register_ddrclk(const char *name, int flags,
case ROCKCHIP_DDRCLK_SIP:
init.ops = &rockchip_ddrclk_sip_ops;
break;
+ case ROCKCHIP_DDRCLK_SIP_V2:
+ init.ops = &rockchip_ddrclk_sip_ops_v2;
+ break;
default:
pr_err("%s: unsupported ddrclk type %d\n", __func__, ddr_flag);
kfree(ddrclk);
diff --git a/drivers/clk/rockchip/clk-rk3228.c b/drivers/clk/rockchip/clk-rk3228.c
index 1f9176a5c..96393aa16 100644
--- a/drivers/clk/rockchip/clk-rk3228.c
+++ b/drivers/clk/rockchip/clk-rk3228.c
@@ -218,9 +218,9 @@ static struct rockchip_clk_branch rk3228_clk_branches[] __initdata = {
RK2928_CLKSEL_CON(4), 8, 5, DFLAGS),
/* PD_DDR */
- COMPOSITE(0, "clk_ddrphy_src", mux_ddrphy_p, CLK_IGNORE_UNUSED,
- RK2928_CLKSEL_CON(26), 8, 2, MFLAGS, 0, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO,
- RK2928_CLKGATE_CON(0), 2, GFLAGS),
+ COMPOSITE_DDRCLK(SCLK_DDRCLK, "sclk_ddrc", mux_ddrphy_p, 0,
+ RK2928_CLKSEL_CON(26), 8, 2, 0, 2,
+ ROCKCHIP_DDRCLK_SIP_V2),
GATE(0, "ddrphy4x", "clk_ddrphy_src", CLK_IGNORE_UNUSED,
RK2928_CLKGATE_CON(7), 1, GFLAGS),
FACTOR_GATE(0, "ddrc", "clk_ddrphy_src", CLK_IGNORE_UNUSED, 1, 4,
@@ -576,8 +576,8 @@ static struct rockchip_clk_branch rk3228_clk_branches[] __initdata = {
GATE(HCLK_M_CRYPTO, "hclk_crypto_mst", "hclk_cpu", 0, RK2928_CLKGATE_CON(8), 11, GFLAGS),
GATE(HCLK_S_CRYPTO, "hclk_crypto_slv", "hclk_cpu", 0, RK2928_CLKGATE_CON(8), 12, GFLAGS),
- GATE(0, "pclk_ddrupctl", "pclk_ddr_pre", 0, RK2928_CLKGATE_CON(8), 4, GFLAGS),
- GATE(0, "pclk_ddrmon", "pclk_ddr_pre", 0, RK2928_CLKGATE_CON(8), 6, GFLAGS),
+ GATE(0, "pclk_ddr_upctl", "pclk_ddr_pre", 0, RK2928_CLKGATE_CON(8), 4, GFLAGS),
+ GATE(0, "pclk_ddr_mon", "pclk_ddr_pre", 0, RK2928_CLKGATE_CON(8), 6, GFLAGS),
GATE(0, "pclk_msch_noc", "pclk_ddr_pre", 0, RK2928_CLKGATE_CON(10), 2, GFLAGS),
GATE(PCLK_EFUSE_1024, "pclk_efuse_1024", "pclk_cpu", 0, RK2928_CLKGATE_CON(8), 13, GFLAGS),
@@ -652,8 +652,8 @@ static const char *const rk3228_critical_clocks[] __initconst = {
"sclk_initmem_mbist",
"aclk_initmem",
"hclk_rom",
- "pclk_ddrupctl",
- "pclk_ddrmon",
+ "pclk_ddr_upctl",
+ "pclk_ddr_mon",
"pclk_msch_noc",
"pclk_stimer",
"pclk_ddrphy",
diff --git a/drivers/clk/rockchip/clk-rk3328.c b/drivers/clk/rockchip/clk-rk3328.c
index cc18dbc18..5fdd611bb 100644
--- a/drivers/clk/rockchip/clk-rk3328.c
+++ b/drivers/clk/rockchip/clk-rk3328.c
@@ -317,9 +317,10 @@ static struct rockchip_clk_branch rk3328_clk_branches[] __initdata = {
RK3328_CLKGATE_CON(14), 1, GFLAGS),
/* PD_DDR */
- COMPOSITE(0, "clk_ddr", mux_ddrphy_p, CLK_IGNORE_UNUSED,
- RK3328_CLKSEL_CON(3), 8, 2, MFLAGS, 0, 3, DFLAGS | CLK_DIVIDER_POWER_OF_TWO,
- RK3328_CLKGATE_CON(0), 4, GFLAGS),
+ COMPOSITE_DDRCLK(SCLK_DDRCLK, "sclk_ddrc", mux_ddrphy_p, 0,
+ RK3328_CLKSEL_CON(3), 8, 2, 0, 3,
+ ROCKCHIP_DDRCLK_SIP_V2),
+
GATE(0, "clk_ddrmsch", "clk_ddr", CLK_IGNORE_UNUSED,
RK3328_CLKGATE_CON(18), 6, GFLAGS),
GATE(0, "clk_ddrupctl", "clk_ddr", CLK_IGNORE_UNUSED,
diff --git a/drivers/clk/rockchip/clk.h b/drivers/clk/rockchip/clk.h
index ae059b774..fdaa81ebb 100644
--- a/drivers/clk/rockchip/clk.h
+++ b/drivers/clk/rockchip/clk.h
@@ -363,7 +363,8 @@ struct clk *rockchip_clk_register_mmc(const char *name,
* DDRCLK flags, including method of setting the rate
* ROCKCHIP_DDRCLK_SIP: use SIP call to bl31 to change ddrclk rate.
*/
-#define ROCKCHIP_DDRCLK_SIP BIT(0)
+#define ROCKCHIP_DDRCLK_SIP 0x01
+#define ROCKCHIP_DDRCLK_SIP_V2 0x03
struct clk *rockchip_clk_register_ddrclk(const char *name, int flags,
const char *const *parent_names,
--
2.25.1

67
patch/kernel/archive/rk322x-5.12/03-0002-add-ddr-clock-and-SIP-related-constant.patch Normal file
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@ -0,0 +1,67 @@
From 95358ea4a4434ad4af5545b3f762508e4f015fc3 Mon Sep 17 00:00:00 2001
From: Paolo Sabatino <paolo.sabatino@gmail.com>
Date: Tue, 6 Jul 2021 14:23:36 +0000
Subject: [PATCH 2/5] rk3228/rk3328: add ddr clock and SIP related constants
and defines
---
include/dt-bindings/clock/rk3228-cru.h | 1 +
include/soc/rockchip/rockchip_sip.h | 24 ++++++++++++++++++++++++
2 files changed, 25 insertions(+)
diff --git a/include/dt-bindings/clock/rk3228-cru.h b/include/dt-bindings/clock/rk3228-cru.h
index de550ea56..911824731 100644
--- a/include/dt-bindings/clock/rk3228-cru.h
+++ b/include/dt-bindings/clock/rk3228-cru.h
@@ -15,6 +15,7 @@
#define ARMCLK 5
/* sclk gates (special clocks) */
+#define SCLK_DDRCLK 64
#define SCLK_SPI0 65
#define SCLK_NANDC 67
#define SCLK_SDMMC 68
diff --git a/include/soc/rockchip/rockchip_sip.h b/include/soc/rockchip/rockchip_sip.h
index c46a9ae2a..34e653751 100644
--- a/include/soc/rockchip/rockchip_sip.h
+++ b/include/soc/rockchip/rockchip_sip.h
@@ -6,6 +6,7 @@
#ifndef __SOC_ROCKCHIP_SIP_H
#define __SOC_ROCKCHIP_SIP_H
+#define ROCKCHIP_SIP_ATF_VERSION 0x82000001
#define ROCKCHIP_SIP_DRAM_FREQ 0x82000008
#define ROCKCHIP_SIP_CONFIG_DRAM_INIT 0x00
#define ROCKCHIP_SIP_CONFIG_DRAM_SET_RATE 0x01
@@ -16,5 +17,28 @@
#define ROCKCHIP_SIP_CONFIG_DRAM_CLR_IRQ 0x06
#define ROCKCHIP_SIP_CONFIG_DRAM_SET_PARAM 0x07
#define ROCKCHIP_SIP_CONFIG_DRAM_SET_ODT_PD 0x08
+#define ROCKCHIP_SIP_CONFIG_DRAM_GET_VERSION 0x08
+#define ROCKCHIP_SIP_CONFIG_DRAM_POST_SET_RATE 0x09
+#define ROCKCHIP_SIP_CONFIG_DRAM_SET_MSCH_RL 0x0a
+#define ROCKCHIP_SIP_CONFIG_DRAM_DEBUG 0x0b
+
+#define ROCKCHIP_SIP_SHARE_MEM 0x82000009
+#define ROCKCHIP_SIP_SIP_VERSION 0x8200000a
+
+/* Rockchip Sip version */
+#define ROCKCHIP_SIP_IMPLEMENT_V1 (1)
+#define ROCKCHIP_SIP_IMPLEMENT_V2 (2)
+
+/* SIP_ACCESS_REG: read or write */
+#define SECURE_REG_RD 0x0
+#define SECURE_REG_WR 0x1
+
+/* Share mem page types */
+typedef enum {
+ SHARE_PAGE_TYPE_INVALID = 0,
+ SHARE_PAGE_TYPE_UARTDBG,
+ SHARE_PAGE_TYPE_DDR,
+ SHARE_PAGE_TYPE_MAX,
+} share_page_type_t;
#endif
--
2.25.1

743
patch/kernel/archive/rk322x-5.12/03-0003-extend-rockchip-dfi-driver.patch Normal file
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@ -0,0 +1,743 @@
From 415ed43c9b64ca38bc433bd5dc0359292dd80380 Mon Sep 17 00:00:00 2001
From: Paolo Sabatino <paolo.sabatino@gmail.com>
Date: Tue, 6 Jul 2021 14:25:41 +0000
Subject: [PATCH 3/5] rk3228/rk3328: extend rockchip dfi driver
---
arch/arm/boot/dts/rk322x.dtsi | 7 +
drivers/devfreq/event/rockchip-dfi.c | 598 ++++++++++++++++++++++++---
2 files changed, 557 insertions(+), 48 deletions(-)
diff --git a/arch/arm/boot/dts/rk322x.dtsi b/arch/arm/boot/dts/rk322x.dtsi
index 3845abe92..13e0b42e9 100644
--- a/arch/arm/boot/dts/rk322x.dtsi
+++ b/arch/arm/boot/dts/rk322x.dtsi
@@ -100,6 +100,13 @@ opp-1200000000 {
};
};
+ dfi: dfi@11210000 {
+ reg = <0x11210000 0x400>;
+ compatible = "rockchip,rk3228-dfi";
+ rockchip,grf = <&grf>;
+ status = "okay";
+ };
+
arm-pmu {
compatible = "arm,cortex-a7-pmu";
interrupts = <GIC_SPI 76 IRQ_TYPE_LEVEL_HIGH>,
diff --git a/drivers/devfreq/event/rockchip-dfi.c b/drivers/devfreq/event/rockchip-dfi.c
index 9a88faaf8..01fb84b99 100644
--- a/drivers/devfreq/event/rockchip-dfi.c
+++ b/drivers/devfreq/event/rockchip-dfi.c
@@ -18,25 +18,68 @@
#include <linux/list.h>
#include <linux/of.h>
-#include <soc/rockchip/rk3399_grf.h>
-
-#define RK3399_DMC_NUM_CH 2
-
+#define PX30_PMUGRF_OS_REG2 0x208
+
+#define RK3128_GRF_SOC_CON0 0x140
+#define RK3128_GRF_OS_REG1 0x1cc
+#define RK3128_GRF_DFI_WRNUM 0x220
+#define RK3128_GRF_DFI_RDNUM 0x224
+#define RK3128_GRF_DFI_TIMERVAL 0x22c
+#define RK3128_DDR_MONITOR_EN ((1 << (16 + 6)) + (1 << 6))
+#define RK3128_DDR_MONITOR_DISB ((1 << (16 + 6)) + (0 << 6))
+
+#define RK3228_GRF_OS_REG2 0x5d0
+
+#define RK3288_PMU_SYS_REG2 0x9c
+#define RK3288_GRF_SOC_CON4 0x254
+#define RK3288_GRF_SOC_STATUS(n) (0x280 + (n) * 4)
+#define RK3288_DFI_EN (0x30003 << 14)
+#define RK3288_DFI_DIS (0x30000 << 14)
+#define RK3288_LPDDR_SEL (0x10001 << 13)
+#define RK3288_DDR3_SEL (0x10000 << 13)
+
+#define RK3328_GRF_OS_REG2 0x5d0
+
+#define RK3368_GRF_DDRC0_CON0 0x600
+#define RK3368_GRF_SOC_STATUS5 0x494
+#define RK3368_GRF_SOC_STATUS6 0x498
+#define RK3368_GRF_SOC_STATUS8 0x4a0
+#define RK3368_GRF_SOC_STATUS9 0x4a4
+#define RK3368_GRF_SOC_STATUS10 0x4a8
+#define RK3368_DFI_EN (0x30003 << 5)
+#define RK3368_DFI_DIS (0x30000 << 5)
+
+#define MAX_DMC_NUM_CH 2
+#define READ_DRAMTYPE_INFO(n) (((n) >> 13) & 0x7)
+#define READ_CH_INFO(n) (((n) >> 28) & 0x3)
/* DDRMON_CTRL */
-#define DDRMON_CTRL 0x04
-#define CLR_DDRMON_CTRL (0x1f0000 << 0)
-#define LPDDR4_EN (0x10001 << 4)
-#define HARDWARE_EN (0x10001 << 3)
-#define LPDDR3_EN (0x10001 << 2)
-#define SOFTWARE_EN (0x10001 << 1)
-#define SOFTWARE_DIS (0x10000 << 1)
-#define TIME_CNT_EN (0x10001 << 0)
+#define DDRMON_CTRL 0x04
+#define CLR_DDRMON_CTRL (0x3f0000 << 0)
+#define DDR4_EN (0x10001 << 5)
+#define LPDDR4_EN (0x10001 << 4)
+#define HARDWARE_EN (0x10001 << 3)
+#define LPDDR2_3_EN (0x10001 << 2)
+#define SOFTWARE_EN (0x10001 << 1)
+#define SOFTWARE_DIS (0x10000 << 1)
+#define TIME_CNT_EN (0x10001 << 0)
#define DDRMON_CH0_COUNT_NUM 0x28
#define DDRMON_CH0_DFI_ACCESS_NUM 0x2c
#define DDRMON_CH1_COUNT_NUM 0x3c
#define DDRMON_CH1_DFI_ACCESS_NUM 0x40
+/* pmu grf */
+#define PMUGRF_OS_REG2 0x308
+
+enum {
+ DDR4 = 0,
+ DDR3 = 3,
+ LPDDR2 = 5,
+ LPDDR3 = 6,
+ LPDDR4 = 7,
+ UNUSED = 0xFF
+};
+
struct dmc_usage {
u32 access;
u32 total;
@@ -50,33 +93,261 @@ struct dmc_usage {
struct rockchip_dfi {
struct devfreq_event_dev *edev;
struct devfreq_event_desc *desc;
- struct dmc_usage ch_usage[RK3399_DMC_NUM_CH];
+ struct dmc_usage ch_usage[MAX_DMC_NUM_CH];
struct device *dev;
void __iomem *regs;
struct regmap *regmap_pmu;
+ struct regmap *regmap_grf;
+ struct regmap *regmap_pmugrf;
struct clk *clk;
+ u32 dram_type;
+ /*
+ * available mask, 1: available, 0: not available
+ * each bit represent a channel
+ */
+ u32 ch_msk;
+};
+
+static void rk3128_dfi_start_hardware_counter(struct devfreq_event_dev *edev)
+{
+ struct rockchip_dfi *info = devfreq_event_get_drvdata(edev);
+
+ regmap_write(info->regmap_grf,
+ RK3128_GRF_SOC_CON0,
+ RK3128_DDR_MONITOR_EN);
+}
+
+static void rk3128_dfi_stop_hardware_counter(struct devfreq_event_dev *edev)
+{
+ struct rockchip_dfi *info = devfreq_event_get_drvdata(edev);
+
+ regmap_write(info->regmap_grf,
+ RK3128_GRF_SOC_CON0,
+ RK3128_DDR_MONITOR_DISB);
+}
+
+static int rk3128_dfi_disable(struct devfreq_event_dev *edev)
+{
+ rk3128_dfi_stop_hardware_counter(edev);
+
+ return 0;
+}
+
+static int rk3128_dfi_enable(struct devfreq_event_dev *edev)
+{
+ rk3128_dfi_start_hardware_counter(edev);
+
+ return 0;
+}
+
+static int rk3128_dfi_set_event(struct devfreq_event_dev *edev)
+{
+ return 0;
+}
+
+static int rk3128_dfi_get_event(struct devfreq_event_dev *edev,
+ struct devfreq_event_data *edata)
+{
+ struct rockchip_dfi *info = devfreq_event_get_drvdata(edev);
+ unsigned long flags;
+ u32 dfi_wr, dfi_rd, dfi_timer;
+
+ local_irq_save(flags);
+
+ rk3128_dfi_stop_hardware_counter(edev);
+
+ regmap_read(info->regmap_grf, RK3128_GRF_DFI_WRNUM, &dfi_wr);
+ regmap_read(info->regmap_grf, RK3128_GRF_DFI_RDNUM, &dfi_rd);
+ regmap_read(info->regmap_grf, RK3128_GRF_DFI_TIMERVAL, &dfi_timer);
+
+ edata->load_count = (dfi_wr + dfi_rd) * 4;
+ edata->total_count = dfi_timer;
+
+ rk3128_dfi_start_hardware_counter(edev);
+
+ local_irq_restore(flags);
+
+ return 0;
+}
+
+static const struct devfreq_event_ops rk3128_dfi_ops = {
+ .disable = rk3128_dfi_disable,
+ .enable = rk3128_dfi_enable,
+ .get_event = rk3128_dfi_get_event,
+ .set_event = rk3128_dfi_set_event,
+};
+
+static void rk3288_dfi_start_hardware_counter(struct devfreq_event_dev *edev)
+{
+ struct rockchip_dfi *info = devfreq_event_get_drvdata(edev);
+
+ regmap_write(info->regmap_grf, RK3288_GRF_SOC_CON4, RK3288_DFI_EN);
+}
+
+static void rk3288_dfi_stop_hardware_counter(struct devfreq_event_dev *edev)
+{
+ struct rockchip_dfi *info = devfreq_event_get_drvdata(edev);
+
+ regmap_write(info->regmap_grf, RK3288_GRF_SOC_CON4, RK3288_DFI_DIS);
+}
+
+static int rk3288_dfi_disable(struct devfreq_event_dev *edev)
+{
+ rk3288_dfi_stop_hardware_counter(edev);
+
+ return 0;
+}
+
+static int rk3288_dfi_enable(struct devfreq_event_dev *edev)
+{
+ rk3288_dfi_start_hardware_counter(edev);
+
+ return 0;
+}
+
+static int rk3288_dfi_set_event(struct devfreq_event_dev *edev)
+{
+ return 0;
+}
+
+static int rk3288_dfi_get_busier_ch(struct devfreq_event_dev *edev)
+{
+ struct rockchip_dfi *info = devfreq_event_get_drvdata(edev);
+ u32 tmp, max = 0;
+ u32 i, busier_ch = 0;
+ u32 rd_count, wr_count, total_count;
+
+ rk3288_dfi_stop_hardware_counter(edev);
+
+ /* Find out which channel is busier */
+ for (i = 0; i < MAX_DMC_NUM_CH; i++) {
+ if (!(info->ch_msk & BIT(i)))
+ continue;
+ regmap_read(info->regmap_grf,
+ RK3288_GRF_SOC_STATUS(11 + i * 4), &wr_count);
+ regmap_read(info->regmap_grf,
+ RK3288_GRF_SOC_STATUS(12 + i * 4), &rd_count);
+ regmap_read(info->regmap_grf,
+ RK3288_GRF_SOC_STATUS(14 + i * 4), &total_count);
+ info->ch_usage[i].access = (wr_count + rd_count) * 4;
+ info->ch_usage[i].total = total_count;
+ tmp = info->ch_usage[i].access;
+ if (tmp > max) {
+ busier_ch = i;
+ max = tmp;
+ }
+ }
+ rk3288_dfi_start_hardware_counter(edev);
+
+ return busier_ch;
+}
+
+static int rk3288_dfi_get_event(struct devfreq_event_dev *edev,
+ struct devfreq_event_data *edata)
+{
+ struct rockchip_dfi *info = devfreq_event_get_drvdata(edev);
+ int busier_ch;
+ unsigned long flags;
+
+ local_irq_save(flags);
+ busier_ch = rk3288_dfi_get_busier_ch(edev);
+ local_irq_restore(flags);
+
+ edata->load_count = info->ch_usage[busier_ch].access;
+ edata->total_count = info->ch_usage[busier_ch].total;
+
+ return 0;
+}
+
+static const struct devfreq_event_ops rk3288_dfi_ops = {
+ .disable = rk3288_dfi_disable,
+ .enable = rk3288_dfi_enable,
+ .get_event = rk3288_dfi_get_event,
+ .set_event = rk3288_dfi_set_event,
+};
+
+static void rk3368_dfi_start_hardware_counter(struct devfreq_event_dev *edev)
+{
+ struct rockchip_dfi *info = devfreq_event_get_drvdata(edev);
+
+ regmap_write(info->regmap_grf, RK3368_GRF_DDRC0_CON0, RK3368_DFI_EN);
+}
+
+static void rk3368_dfi_stop_hardware_counter(struct devfreq_event_dev *edev)
+{
+ struct rockchip_dfi *info = devfreq_event_get_drvdata(edev);
+
+ regmap_write(info->regmap_grf, RK3368_GRF_DDRC0_CON0, RK3368_DFI_DIS);
+}
+
+static int rk3368_dfi_disable(struct devfreq_event_dev *edev)
+{
+ rk3368_dfi_stop_hardware_counter(edev);
+
+ return 0;
+}
+
+static int rk3368_dfi_enable(struct devfreq_event_dev *edev)
+{
+ rk3368_dfi_start_hardware_counter(edev);
+
+ return 0;
+}
+
+static int rk3368_dfi_set_event(struct devfreq_event_dev *edev)
+{
+ return 0;
+}
+
+static int rk3368_dfi_get_event(struct devfreq_event_dev *edev,
+ struct devfreq_event_data *edata)
+{
+ struct rockchip_dfi *info = devfreq_event_get_drvdata(edev);
+ unsigned long flags;
+ u32 dfi0_wr, dfi0_rd, dfi1_wr, dfi1_rd, dfi_timer;
+
+ local_irq_save(flags);
+
+ rk3368_dfi_stop_hardware_counter(edev);
+
+ regmap_read(info->regmap_grf, RK3368_GRF_SOC_STATUS5, &dfi0_wr);
+ regmap_read(info->regmap_grf, RK3368_GRF_SOC_STATUS6, &dfi0_rd);
+ regmap_read(info->regmap_grf, RK3368_GRF_SOC_STATUS9, &dfi1_wr);
+ regmap_read(info->regmap_grf, RK3368_GRF_SOC_STATUS10, &dfi1_rd);
+ regmap_read(info->regmap_grf, RK3368_GRF_SOC_STATUS8, &dfi_timer);
+
+ edata->load_count = (dfi0_wr + dfi0_rd + dfi1_wr + dfi1_rd) * 2;
+ edata->total_count = dfi_timer;
+
+ rk3368_dfi_start_hardware_counter(edev);
+
+ local_irq_restore(flags);
+
+ return 0;
+}
+
+static const struct devfreq_event_ops rk3368_dfi_ops = {
+ .disable = rk3368_dfi_disable,
+ .enable = rk3368_dfi_enable,
+ .get_event = rk3368_dfi_get_event,
+ .set_event = rk3368_dfi_set_event,
};
static void rockchip_dfi_start_hardware_counter(struct devfreq_event_dev *edev)
{
struct rockchip_dfi *info = devfreq_event_get_drvdata(edev);
void __iomem *dfi_regs = info->regs;
- u32 val;
- u32 ddr_type;
-
- /* get ddr type */
- regmap_read(info->regmap_pmu, RK3399_PMUGRF_OS_REG2, &val);
- ddr_type = (val >> RK3399_PMUGRF_DDRTYPE_SHIFT) &
- RK3399_PMUGRF_DDRTYPE_MASK;
/* clear DDRMON_CTRL setting */
writel_relaxed(CLR_DDRMON_CTRL, dfi_regs + DDRMON_CTRL);
/* set ddr type to dfi */
- if (ddr_type == RK3399_PMUGRF_DDRTYPE_LPDDR3)
- writel_relaxed(LPDDR3_EN, dfi_regs + DDRMON_CTRL);
- else if (ddr_type == RK3399_PMUGRF_DDRTYPE_LPDDR4)
+ if (info->dram_type == LPDDR3 || info->dram_type == LPDDR2)
+ writel_relaxed(LPDDR2_3_EN, dfi_regs + DDRMON_CTRL);
+ else if (info->dram_type == LPDDR4)
writel_relaxed(LPDDR4_EN, dfi_regs + DDRMON_CTRL);
+ else if (info->dram_type == DDR4)
+ writel_relaxed(DDR4_EN, dfi_regs + DDRMON_CTRL);
/* enable count, use software mode */
writel_relaxed(SOFTWARE_EN, dfi_regs + DDRMON_CTRL);
@@ -100,12 +371,22 @@ static int rockchip_dfi_get_busier_ch(struct devfreq_event_dev *edev)
rockchip_dfi_stop_hardware_counter(edev);
/* Find out which channel is busier */
- for (i = 0; i < RK3399_DMC_NUM_CH; i++) {
- info->ch_usage[i].access = readl_relaxed(dfi_regs +
- DDRMON_CH0_DFI_ACCESS_NUM + i * 20) * 4;
+ for (i = 0; i < MAX_DMC_NUM_CH; i++) {
+ if (!(info->ch_msk & BIT(i)))
+ continue;
+
info->ch_usage[i].total = readl_relaxed(dfi_regs +
DDRMON_CH0_COUNT_NUM + i * 20);
- tmp = info->ch_usage[i].access;
+
+ /* LPDDR4 BL = 16,other DDR type BL = 8 */
+ tmp = readl_relaxed(dfi_regs +
+ DDRMON_CH0_DFI_ACCESS_NUM + i * 20);
+ if (info->dram_type == LPDDR4)
+ tmp *= 8;
+ else
+ tmp *= 4;
+ info->ch_usage[i].access = tmp;
+
if (tmp > max) {
busier_ch = i;
max = tmp;
@@ -118,10 +399,14 @@ static int rockchip_dfi_get_busier_ch(struct devfreq_event_dev *edev)
static int rockchip_dfi_disable(struct devfreq_event_dev *edev)
{
+ struct device *dev = &edev->dev;
struct rockchip_dfi *info = devfreq_event_get_drvdata(edev);
rockchip_dfi_stop_hardware_counter(edev);
- clk_disable_unprepare(info->clk);
+ if (info->clk)
+ clk_disable_unprepare(info->clk);
+
+ dev_notice(dev,"Rockchip DFI interface disabled\n");
return 0;
}
@@ -129,20 +414,28 @@ static int rockchip_dfi_disable(struct devfreq_event_dev *edev)
static int rockchip_dfi_enable(struct devfreq_event_dev *edev)
{
struct rockchip_dfi *info = devfreq_event_get_drvdata(edev);
+ struct device *dev = &edev->dev;
int ret;
- ret = clk_prepare_enable(info->clk);
- if (ret) {
- dev_err(&edev->dev, "failed to enable dfi clk: %d\n", ret);
- return ret;
+ if (info->clk) {
+ ret = clk_prepare_enable(info->clk);
+ if (ret) {
+ dev_err(&edev->dev, "failed to enable dfi clk: %d\n",
+ ret);
+ return ret;
+ }
}
rockchip_dfi_start_hardware_counter(edev);
+
+ dev_notice(dev,"Rockchip DFI interface enabled\n");
+
return 0;
}
static int rockchip_dfi_set_event(struct devfreq_event_dev *edev)
{
+
return 0;
}
@@ -151,8 +444,11 @@ static int rockchip_dfi_get_event(struct devfreq_event_dev *edev,
{
struct rockchip_dfi *info = devfreq_event_get_drvdata(edev);
int busier_ch;
+ unsigned long flags;
+ local_irq_save(flags);
busier_ch = rockchip_dfi_get_busier_ch(edev);
+ local_irq_restore(flags);
edata->load_count = info->ch_usage[busier_ch].access;
edata->total_count = info->ch_usage[busier_ch].total;
@@ -167,22 +463,151 @@ static const struct devfreq_event_ops rockchip_dfi_ops = {
.set_event = rockchip_dfi_set_event,
};
-static const struct of_device_id rockchip_dfi_id_match[] = {
- { .compatible = "rockchip,rk3399-dfi" },
- { },
-};
-MODULE_DEVICE_TABLE(of, rockchip_dfi_id_match);
+static __init int px30_dfi_init(struct platform_device *pdev,
+ struct rockchip_dfi *data,
+ struct devfreq_event_desc *desc)
+{
+ struct device_node *np = pdev->dev.of_node, *node;
+ struct resource *res;
+ u32 val;
-static int rockchip_dfi_probe(struct platform_device *pdev)
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ data->regs = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(data->regs))
+ return PTR_ERR(data->regs);
+
+ node = of_parse_phandle(np, "rockchip,pmugrf", 0);
+ if (node) {
+ data->regmap_pmugrf = syscon_node_to_regmap(node);
+ if (IS_ERR(data->regmap_pmugrf))
+ return PTR_ERR(data->regmap_pmugrf);
+ }
+
+ regmap_read(data->regmap_pmugrf, PX30_PMUGRF_OS_REG2, &val);
+ data->dram_type = READ_DRAMTYPE_INFO(val);
+ data->ch_msk = 1;
+ data->clk = NULL;
+
+ desc->ops = &rockchip_dfi_ops;
+
+ return 0;
+}
+
+static __init int rk3128_dfi_init(struct platform_device *pdev,
+ struct rockchip_dfi *data,
+ struct devfreq_event_desc *desc)
+{
+ struct device_node *np = pdev->dev.of_node, *node;
+
+ node = of_parse_phandle(np, "rockchip,grf", 0);
+ if (node) {
+ data->regmap_grf = syscon_node_to_regmap(node);
+ if (IS_ERR(data->regmap_grf))
+ return PTR_ERR(data->regmap_grf);
+ }
+
+ desc->ops = &rk3128_dfi_ops;
+
+ return 0;
+}
+
+static __init int rk3228_dfi_init(struct platform_device *pdev,
+ struct rockchip_dfi *data,
+ struct devfreq_event_desc *desc)
{
+ struct device_node *np = pdev->dev.of_node, *node;
+ struct resource *res;
struct device *dev = &pdev->dev;
- struct rockchip_dfi *data;
- struct devfreq_event_desc *desc;
+ u32 val;
+
+ dev_notice(dev,"rk3228_dfi_init enter\n");
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ data->regs = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(data->regs))
+ return PTR_ERR(data->regs);
+
+ node = of_parse_phandle(np, "rockchip,grf", 0);
+ if (node) {
+ data->regmap_grf = syscon_node_to_regmap(node);
+ if (IS_ERR(data->regmap_grf))
+ return PTR_ERR(data->regmap_grf);
+ }
+
+ regmap_read(data->regmap_grf, RK3228_GRF_OS_REG2, &val);
+ data->dram_type = READ_DRAMTYPE_INFO(val);
+ data->ch_msk = 1;
+ data->clk = NULL;
+
+ desc->ops = &rockchip_dfi_ops;
+
+ dev_notice(dev,"rk3228-dfi initialized, dram type: 0x%x, channels: %d\n", data->dram_type, data->ch_msk);
+
+ return 0;
+}
+
+static __init int rk3288_dfi_init(struct platform_device *pdev,
+ struct rockchip_dfi *data,
+ struct devfreq_event_desc *desc)
+{
struct device_node *np = pdev->dev.of_node, *node;
+ u32 val;
- data = devm_kzalloc(dev, sizeof(struct rockchip_dfi), GFP_KERNEL);
- if (!data)
- return -ENOMEM;
+ node = of_parse_phandle(np, "rockchip,pmu", 0);
+ if (node) {
+ data->regmap_pmu = syscon_node_to_regmap(node);
+ if (IS_ERR(data->regmap_pmu))
+ return PTR_ERR(data->regmap_pmu);
+ }
+
+ node = of_parse_phandle(np, "rockchip,grf", 0);
+ if (node) {
+ data->regmap_grf = syscon_node_to_regmap(node);
+ if (IS_ERR(data->regmap_grf))
+ return PTR_ERR(data->regmap_grf);
+ }
+
+ regmap_read(data->regmap_pmu, RK3288_PMU_SYS_REG2, &val);
+ data->dram_type = READ_DRAMTYPE_INFO(val);
+ data->ch_msk = READ_CH_INFO(val);
+
+ if (data->dram_type == DDR3)
+ regmap_write(data->regmap_grf, RK3288_GRF_SOC_CON4,
+ RK3288_DDR3_SEL);
+ else
+ regmap_write(data->regmap_grf, RK3288_GRF_SOC_CON4,
+ RK3288_LPDDR_SEL);
+
+ desc->ops = &rk3288_dfi_ops;
+
+ return 0;
+}
+
+static __init int rk3368_dfi_init(struct platform_device *pdev,
+ struct rockchip_dfi *data,
+ struct devfreq_event_desc *desc)
+{
+ struct device *dev = &pdev->dev;
+
+ if (!dev->parent || !dev->parent->of_node)
+ return -EINVAL;
+
+ data->regmap_grf = syscon_node_to_regmap(dev->parent->of_node);
+ if (IS_ERR(data->regmap_grf))
+ return PTR_ERR(data->regmap_grf);
+
+ desc->ops = &rk3368_dfi_ops;
+
+ return 0;
+}
+
+static __init int rockchip_dfi_init(struct platform_device *pdev,
+ struct rockchip_dfi *data,
+ struct devfreq_event_desc *desc)
+{
+ struct device *dev = &pdev->dev;
+ struct device_node *np = pdev->dev.of_node, *node;
+ u32 val;
data->regs = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(data->regs))
@@ -202,21 +627,98 @@ static int rockchip_dfi_probe(struct platform_device *pdev)
if (IS_ERR(data->regmap_pmu))
return PTR_ERR(data->regmap_pmu);
}
- data->dev = dev;
+
+ regmap_read(data->regmap_pmu, PMUGRF_OS_REG2, &val);
+ data->dram_type = READ_DRAMTYPE_INFO(val);
+ data->ch_msk = READ_CH_INFO(val);
+
+ desc->ops = &rockchip_dfi_ops;
+
+ return 0;
+}
+
+static __init int rk3328_dfi_init(struct platform_device *pdev,
+ struct rockchip_dfi *data,
+ struct devfreq_event_desc *desc)
+{
+ struct device_node *np = pdev->dev.of_node, *node;
+ struct resource *res;
+ u32 val;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ data->regs = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(data->regs))
+ return PTR_ERR(data->regs);
+
+ node = of_parse_phandle(np, "rockchip,grf", 0);
+ if (node) {
+ data->regmap_grf = syscon_node_to_regmap(node);
+ if (IS_ERR(data->regmap_grf))
+ return PTR_ERR(data->regmap_grf);
+ }
+
+ regmap_read(data->regmap_grf, RK3328_GRF_OS_REG2, &val);
+ data->dram_type = READ_DRAMTYPE_INFO(val);
+ data->ch_msk = 1;
+ data->clk = NULL;
+
+ desc->ops = &rockchip_dfi_ops;
+
+ return 0;
+}
+
+static const struct of_device_id rockchip_dfi_id_match[] = {
+ { .compatible = "rockchip,px30-dfi", .data = px30_dfi_init },
+ { .compatible = "rockchip,rk1808-dfi", .data = px30_dfi_init },
+ { .compatible = "rockchip,rk3128-dfi", .data = rk3128_dfi_init },
+ { .compatible = "rockchip,rk3228-dfi", .data = rk3228_dfi_init },
+ { .compatible = "rockchip,rk3288-dfi", .data = rk3288_dfi_init },
+ { .compatible = "rockchip,rk3328-dfi", .data = rk3328_dfi_init },
+ { .compatible = "rockchip,rk3368-dfi", .data = rk3368_dfi_init },
+ { .compatible = "rockchip,rk3399-dfi", .data = rockchip_dfi_init },
+ { },
+};
+MODULE_DEVICE_TABLE(of, rockchip_dfi_id_match);
+
+static int rockchip_dfi_probe(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct rockchip_dfi *data;
+ struct devfreq_event_desc *desc;
+ struct device_node *np = pdev->dev.of_node;
+ const struct of_device_id *match;
+ int (*init)(struct platform_device *pdev, struct rockchip_dfi *data,
+ struct devfreq_event_desc *desc);
+
+ data = devm_kzalloc(dev, sizeof(struct rockchip_dfi), GFP_KERNEL);
+ if (!data)
+ return -ENOMEM;
desc = devm_kzalloc(dev, sizeof(*desc), GFP_KERNEL);
if (!desc)
return -ENOMEM;
- desc->ops = &rockchip_dfi_ops;
+ match = of_match_node(rockchip_dfi_id_match, pdev->dev.of_node);
+ if (match) {
+ init = match->data;
+ if (init) {
+ if (init(pdev, data, desc))
+ return -EINVAL;
+ } else {
+ return 0;
+ }
+ } else {
+ return 0;
+ }
+
desc->driver_data = data;
desc->name = np->name;
data->desc = desc;
+ data->dev = dev;
- data->edev = devm_devfreq_event_add_edev(&pdev->dev, desc);
+ data->edev = devm_devfreq_event_add_edev(dev, desc);
if (IS_ERR(data->edev)) {
- dev_err(&pdev->dev,
- "failed to add devfreq-event device\n");
+ dev_err(dev, "failed to add devfreq-event device\n");
return PTR_ERR(data->edev);
}
--
2.25.1

1936
patch/kernel/archive/rk322x-5.12/03-0004-add-dmc-driver.patch Normal file
View File

File diff suppressed because it is too large Load Diff

159
patch/kernel/archive/rk322x-5.12/general-add-overlays.patch
View File

@ -1,9 +1,9 @@
diff --git a/arch/arm/boot/dts/overlay/Makefile b/arch/arm/boot/dts/overlay/Makefile
new file mode 100755
index 000000000..894db3d1e
index 000000000..092ff28da
--- /dev/null
+++ b/arch/arm/boot/dts/overlay/Makefile
@@ -0,0 +1,29 @@
@@ -0,0 +1,33 @@
+# SPDX-License-Identifier: GPL-2.0
+dtbo-$(CONFIG_ARCH_ROCKCHIP) += \
+ rk322x-emmc.dtbo \
@ -20,7 +20,11 @@ index 000000000..894db3d1e
+ rk322x-led-conf5.dtbo \
+ rk322x-cpu-hs.dtbo \
+ rk322x-wlan-alt-wiring.dtbo \
+ rk322x-cpu-stability.dtbo
+ rk322x-cpu-stability.dtbo \
+ rk322x-ddr3-330.dtbo \
+ rk322x-ddr3-528.dtbo \
+ rk322x-ddr3-660.dtbo \
+ rk322x-ddr3-800.dtbo
+
+scr-$(CONFIG_ARCH_ROCKCHIP) += \
+ rk322x-fixup.scr
@ -35,10 +39,10 @@ index 000000000..894db3d1e
+
diff --git a/arch/arm/boot/dts/overlay/README.rk322x-overlays b/arch/arm/boot/dts/overlay/README.rk322x-overlays
new file mode 100755
index 000000000..aeabdb0cc
index 000000000..c3d25a204
--- /dev/null
+++ b/arch/arm/boot/dts/overlay/README.rk322x-overlays
@@ -0,0 +1,66 @@
@@ -0,0 +1,75 @@
+This document describes overlays provided in the kernel packages
+For generic Armbian overlays documentation please see
+https://docs.armbian.com/User-Guide_Allwinner_overlays/
@ -56,6 +60,7 @@ index 000000000..aeabdb0cc
+- rk322x-emmc-nand
+- rk322x-led-conf*
+- rk322x-wlan-alt-wiring
+- rk322x-ddr3-*
+
+### Overlay details:
+
@ -105,6 +110,14 @@ index 000000000..aeabdb0cc
+
+Some boards have different SDIO wiring setup for wifi chips. This overlay
+enables the different pin controller wiring and power enable
+
+### rk322x-ddr3-*
+
+Enable DRAM memory controller and sets the speed to the given speed bin.
+The DRAM memory controller reclocking only works with DDR3/LPDDR3, if
+you enable one of these overlays on boards with DDR2 memory the system
+will not boot anymore
+
diff --git a/arch/arm/boot/dts/overlay/rk322x-bluetooth.dts b/arch/arm/boot/dts/overlay/rk322x-bluetooth.dts
new file mode 100755
index 000000000..5698b14ba
@ -361,6 +374,142 @@ index 000000000..f434af926
+ };
+
+};
diff --git a/arch/arm/boot/dts/overlay/rk322x-ddr3-330.dts b/arch/arm/boot/dts/overlay/rk322x-ddr3-330.dts
new file mode 100644
index 000000000..78145548e
--- /dev/null
+++ b/arch/arm/boot/dts/overlay/rk322x-ddr3-330.dts
@@ -0,0 +1,28 @@
+/dts-v1/;
+/plugin/;
+
+/ {
+
+ fragment@0 {
+ target = <&dmc>;
+ __overlay__ {
+ status = "okay";
+ };
+ };
+
+ fragment@1 {
+ target = <&dmc_opp_table>;
+ __overlay__ {
+ opp-534000000 {
+ status = "disabled";
+ };
+ opp-660000000 {
+ status = "disabled";
+ };
+ opp-786000000 {
+ status = "disabled";
+ };
+ };
+ };
+
+};
diff --git a/arch/arm/boot/dts/overlay/rk322x-ddr3-528.dts b/arch/arm/boot/dts/overlay/rk322x-ddr3-528.dts
new file mode 100644
index 000000000..dbbd222dd
--- /dev/null
+++ b/arch/arm/boot/dts/overlay/rk322x-ddr3-528.dts
@@ -0,0 +1,28 @@
+/dts-v1/;
+/plugin/;
+
+/ {
+
+ fragment@0 {
+ target = <&dmc>;
+ __overlay__ {
+ status = "okay";
+ };
+ };
+
+ fragment@1 {
+ target = <&dmc_opp_table>;
+ __overlay__ {
+ opp-534000000 {
+ status = "okay";
+ };
+ opp-660000000 {
+ status = "disabled";
+ };
+ opp-786000000 {
+ status = "disabled";
+ };
+ };
+ };
+
+};
diff --git a/arch/arm/boot/dts/overlay/rk322x-ddr3-660.dts b/arch/arm/boot/dts/overlay/rk322x-ddr3-660.dts
new file mode 100644
index 000000000..65b707515
--- /dev/null
+++ b/arch/arm/boot/dts/overlay/rk322x-ddr3-660.dts
@@ -0,0 +1,28 @@
+/dts-v1/;
+/plugin/;
+
+/ {
+
+ fragment@0 {
+ target = <&dmc>;
+ __overlay__ {
+ status = "okay";
+ };
+ };
+
+ fragment@1 {
+ target = <&dmc_opp_table>;
+ __overlay__ {
+ opp-534000000 {
+ status = "okay";
+ };
+ opp-660000000 {
+ status = "okay";
+ };
+ opp-786000000 {
+ status = "disabled";
+ };
+ };
+ };
+
+};
diff --git a/arch/arm/boot/dts/overlay/rk322x-ddr3-800.dts b/arch/arm/boot/dts/overlay/rk322x-ddr3-800.dts
new file mode 100644
index 000000000..7d11453ad
--- /dev/null
+++ b/arch/arm/boot/dts/overlay/rk322x-ddr3-800.dts
@@ -0,0 +1,28 @@
+/dts-v1/;
+/plugin/;
+
+/ {
+
+ fragment@0 {
+ target = <&dmc>;
+ __overlay__ {
+ status = "okay";
+ };
+ };
+
+ fragment@1 {
+ target = <&dmc_opp_table>;
+ __overlay__ {
+ opp-534000000 {
+ status = "okay";
+ };
+ opp-660000000 {
+ status = "okay";
+ };
+ opp-786000000 {
+ status = "okay";
+ };
+ };
+ };
+
+};
diff --git a/arch/arm/boot/dts/overlay/rk322x-emmc-ddr-ph180.dts b/arch/arm/boot/dts/overlay/rk322x-emmc-ddr-ph180.dts
new file mode 100644
index 000000000..4ba0afb8a