summaryrefslogtreecommitdiffstats
path: root/dts/Bindings/memory-controllers
diff options
context:
space:
mode:
Diffstat (limited to 'dts/Bindings/memory-controllers')
-rw-r--r--dts/Bindings/memory-controllers/fsl/fsl,ddr.yaml6
-rw-r--r--dts/Bindings/memory-controllers/ingenic,nemc-peripherals.yaml46
-rw-r--r--dts/Bindings/memory-controllers/ingenic,nemc.yaml32
-rw-r--r--dts/Bindings/memory-controllers/nvidia,tegra186-mc.yaml80
-rw-r--r--dts/Bindings/memory-controllers/renesas,h8300-bsc.yaml35
-rw-r--r--dts/Bindings/memory-controllers/renesas,rpc-if.yaml6
-rw-r--r--dts/Bindings/memory-controllers/rockchip,rk3399-dmc.yaml384
7 files changed, 510 insertions, 79 deletions
diff --git a/dts/Bindings/memory-controllers/fsl/fsl,ddr.yaml b/dts/Bindings/memory-controllers/fsl/fsl,ddr.yaml
index af5147f9da..84f778a995 100644
--- a/dts/Bindings/memory-controllers/fsl/fsl,ddr.yaml
+++ b/dts/Bindings/memory-controllers/fsl/fsl,ddr.yaml
@@ -25,12 +25,6 @@ properties:
- const: fsl,qoriq-memory-controller
- enum:
- fsl,bsc9132-memory-controller
- - fsl,8540-memory-controller
- - fsl,8541-memory-controller
- - fsl,8544-memory-controller
- - fsl,8548-memory-controller
- - fsl,8555-memory-controller
- - fsl,8568-memory-controller
- fsl,mpc8536-memory-controller
- fsl,mpc8540-memory-controller
- fsl,mpc8541-memory-controller
diff --git a/dts/Bindings/memory-controllers/ingenic,nemc-peripherals.yaml b/dts/Bindings/memory-controllers/ingenic,nemc-peripherals.yaml
new file mode 100644
index 0000000000..b8ed52a44d
--- /dev/null
+++ b/dts/Bindings/memory-controllers/ingenic,nemc-peripherals.yaml
@@ -0,0 +1,46 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/memory-controllers/ingenic,nemc-peripherals.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Ingenic SoCs NAND / External Memory Controller (NEMC) devicetree bindings
+
+maintainers:
+ - Paul Cercueil <paul@crapouillou.net>
+
+properties:
+ reg:
+ minItems: 1
+ maxItems: 255
+
+ ingenic,nemc-bus-width:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ enum: [8, 16]
+ description: Specifies the bus width in bits.
+
+ ingenic,nemc-tAS:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: Address setup time in nanoseconds.
+
+ ingenic,nemc-tAH:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: Address hold time in nanoseconds.
+
+ ingenic,nemc-tBP:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: Burst pitch time in nanoseconds.
+
+ ingenic,nemc-tAW:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: Address wait time in nanoseconds.
+
+ ingenic,nemc-tSTRV:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: Static memory recovery time in nanoseconds.
+
+required:
+ - reg
+
+additionalProperties: true
+...
diff --git a/dts/Bindings/memory-controllers/ingenic,nemc.yaml b/dts/Bindings/memory-controllers/ingenic,nemc.yaml
index 24f9e19820..dd13a5106d 100644
--- a/dts/Bindings/memory-controllers/ingenic,nemc.yaml
+++ b/dts/Bindings/memory-controllers/ingenic,nemc.yaml
@@ -39,38 +39,6 @@ properties:
patternProperties:
".*@[0-9]+$":
type: object
- properties:
- reg:
- minItems: 1
- maxItems: 255
-
- ingenic,nemc-bus-width:
- $ref: /schemas/types.yaml#/definitions/uint32
- enum: [8, 16]
- description: Specifies the bus width in bits.
-
- ingenic,nemc-tAS:
- $ref: /schemas/types.yaml#/definitions/uint32
- description: Address setup time in nanoseconds.
-
- ingenic,nemc-tAH:
- $ref: /schemas/types.yaml#/definitions/uint32
- description: Address hold time in nanoseconds.
-
- ingenic,nemc-tBP:
- $ref: /schemas/types.yaml#/definitions/uint32
- description: Burst pitch time in nanoseconds.
-
- ingenic,nemc-tAW:
- $ref: /schemas/types.yaml#/definitions/uint32
- description: Address wait time in nanoseconds.
-
- ingenic,nemc-tSTRV:
- $ref: /schemas/types.yaml#/definitions/uint32
- description: Static memory recovery time in nanoseconds.
-
- required:
- - reg
required:
- compatible
diff --git a/dts/Bindings/memory-controllers/nvidia,tegra186-mc.yaml b/dts/Bindings/memory-controllers/nvidia,tegra186-mc.yaml
index 13c4c82fd0..c7cfa6c2cd 100644
--- a/dts/Bindings/memory-controllers/nvidia,tegra186-mc.yaml
+++ b/dts/Bindings/memory-controllers/nvidia,tegra186-mc.yaml
@@ -34,8 +34,12 @@ properties:
- nvidia,tegra234-mc
reg:
- minItems: 1
- maxItems: 3
+ minItems: 6
+ maxItems: 18
+
+ reg-names:
+ minItems: 6
+ maxItems: 18
interrupts:
items:
@@ -142,7 +146,18 @@ allOf:
then:
properties:
reg:
- maxItems: 1
+ maxItems: 6
+ description: 5 memory controller channels and 1 for stream-id registers
+
+ reg-names:
+ maxItems: 6
+ items:
+ - const: sid
+ - const: broadcast
+ - const: ch0
+ - const: ch1
+ - const: ch2
+ - const: ch3
- if:
properties:
@@ -151,7 +166,30 @@ allOf:
then:
properties:
reg:
- minItems: 3
+ minItems: 18
+ description: 17 memory controller channels and 1 for stream-id registers
+
+ reg-names:
+ minItems: 18
+ items:
+ - const: sid
+ - const: broadcast
+ - const: ch0
+ - const: ch1
+ - const: ch2
+ - const: ch3
+ - const: ch4
+ - const: ch5
+ - const: ch6
+ - const: ch7
+ - const: ch8
+ - const: ch9
+ - const: ch10
+ - const: ch11
+ - const: ch12
+ - const: ch13
+ - const: ch14
+ - const: ch15
- if:
properties:
@@ -160,13 +198,37 @@ allOf:
then:
properties:
reg:
- minItems: 3
+ minItems: 18
+ description: 17 memory controller channels and 1 for stream-id registers
+
+ reg-names:
+ minItems: 18
+ items:
+ - const: sid
+ - const: broadcast
+ - const: ch0
+ - const: ch1
+ - const: ch2
+ - const: ch3
+ - const: ch4
+ - const: ch5
+ - const: ch6
+ - const: ch7
+ - const: ch8
+ - const: ch9
+ - const: ch10
+ - const: ch11
+ - const: ch12
+ - const: ch13
+ - const: ch14
+ - const: ch15
additionalProperties: false
required:
- compatible
- reg
+ - reg-names
- interrupts
- "#address-cells"
- "#size-cells"
@@ -182,7 +244,13 @@ examples:
memory-controller@2c00000 {
compatible = "nvidia,tegra186-mc";
- reg = <0x0 0x02c00000 0x0 0xb0000>;
+ reg = <0x0 0x02c00000 0x0 0x10000>, /* MC-SID */
+ <0x0 0x02c10000 0x0 0x10000>, /* Broadcast channel */
+ <0x0 0x02c20000 0x0 0x10000>, /* MC0 */
+ <0x0 0x02c30000 0x0 0x10000>, /* MC1 */
+ <0x0 0x02c40000 0x0 0x10000>, /* MC2 */
+ <0x0 0x02c50000 0x0 0x10000>; /* MC3 */
+ reg-names = "sid", "broadcast", "ch0", "ch1", "ch2", "ch3";
interrupts = <GIC_SPI 223 IRQ_TYPE_LEVEL_HIGH>;
#address-cells = <2>;
diff --git a/dts/Bindings/memory-controllers/renesas,h8300-bsc.yaml b/dts/Bindings/memory-controllers/renesas,h8300-bsc.yaml
deleted file mode 100644
index 514b2c5f88..0000000000
--- a/dts/Bindings/memory-controllers/renesas,h8300-bsc.yaml
+++ /dev/null
@@ -1,35 +0,0 @@
-# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
-%YAML 1.2
----
-$id: http://devicetree.org/schemas/memory-controllers/renesas,h8300-bsc.yaml#
-$schema: http://devicetree.org/meta-schemas/core.yaml#
-
-title: H8/300 bus controller
-
-maintainers:
- - Krzysztof Kozlowski <krzk@kernel.org>
- - Yoshinori Sato <ysato@users.sourceforge.jp>
-
-properties:
- compatible:
- items:
- - enum:
- - renesas,h8300h-bsc
- - renesas,h8s-bsc
- - const: renesas,h8300-bsc
-
- reg:
- maxItems: 1
-
-required:
- - compatible
- - reg
-
-additionalProperties: false
-
-examples:
- - |
- memory-controller@fee01e {
- compatible = "renesas,h8300h-bsc", "renesas,h8300-bsc";
- reg = <0xfee01e 8>;
- };
diff --git a/dts/Bindings/memory-controllers/renesas,rpc-if.yaml b/dts/Bindings/memory-controllers/renesas,rpc-if.yaml
index 9a6dbf54b5..645249ea21 100644
--- a/dts/Bindings/memory-controllers/renesas,rpc-if.yaml
+++ b/dts/Bindings/memory-controllers/renesas,rpc-if.yaml
@@ -31,14 +31,20 @@ properties:
- renesas,r8a774b1-rpc-if # RZ/G2N
- renesas,r8a774c0-rpc-if # RZ/G2E
- renesas,r8a774e1-rpc-if # RZ/G2H
+ - renesas,r8a7795-rpc-if # R-Car H3
+ - renesas,r8a7796-rpc-if # R-Car M3-W
+ - renesas,r8a77961-rpc-if # R-Car M3-W+
+ - renesas,r8a77965-rpc-if # R-Car M3-N
- renesas,r8a77970-rpc-if # R-Car V3M
- renesas,r8a77980-rpc-if # R-Car V3H
+ - renesas,r8a77990-rpc-if # R-Car E3
- renesas,r8a77995-rpc-if # R-Car D3
- renesas,r8a779a0-rpc-if # R-Car V3U
- const: renesas,rcar-gen3-rpc-if # a generic R-Car gen3 or RZ/G2{E,H,M,N} device
- items:
- enum:
+ - renesas,r9a07g043-rpc-if # RZ/G2UL
- renesas,r9a07g044-rpc-if # RZ/G2{L,LC}
- renesas,r9a07g054-rpc-if # RZ/V2L
- const: renesas,rzg2l-rpc-if
diff --git a/dts/Bindings/memory-controllers/rockchip,rk3399-dmc.yaml b/dts/Bindings/memory-controllers/rockchip,rk3399-dmc.yaml
new file mode 100644
index 0000000000..fb4920397d
--- /dev/null
+++ b/dts/Bindings/memory-controllers/rockchip,rk3399-dmc.yaml
@@ -0,0 +1,384 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# %YAML 1.2
+---
+$id: http://devicetree.org/schemas/memory-controllers/rockchip,rk3399-dmc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Rockchip rk3399 DMC (Dynamic Memory Controller) device
+
+maintainers:
+ - Brian Norris <briannorris@chromium.org>
+
+properties:
+ compatible:
+ enum:
+ - rockchip,rk3399-dmc
+
+ devfreq-events:
+ $ref: /schemas/types.yaml#/definitions/phandle
+ description:
+ Node to get DDR loading. Refer to
+ Documentation/devicetree/bindings/devfreq/event/rockchip-dfi.txt.
+
+ clocks:
+ maxItems: 1
+
+ clock-names:
+ items:
+ - const: dmc_clk
+
+ operating-points-v2: true
+
+ center-supply:
+ description:
+ DMC regulator supply.
+
+ rockchip,pmu:
+ $ref: /schemas/types.yaml#/definitions/phandle
+ description:
+ Phandle to the syscon managing the "PMU general register files".
+
+ interrupts:
+ maxItems: 1
+ description:
+ The CPU interrupt number. It should be a DCF interrupt. When DDR DVFS
+ finishes, a DCF interrupt is triggered.
+
+ rockchip,ddr3_speed_bin:
+ deprecated: true
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description:
+ For values, reference include/dt-bindings/clock/rk3399-ddr.h. Selects the
+ DDR3 cl-trp-trcd type. It must be set according to "Speed Bin" in DDR3
+ datasheet; DO NOT use a smaller "Speed Bin" than specified for the DDR3
+ being used.
+
+ rockchip,pd_idle:
+ deprecated: true
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description:
+ Configure the PD_IDLE value. Defines the power-down idle period in which
+ memories are placed into power-down mode if bus is idle for PD_IDLE DFI
+ clock cycles.
+ See also rockchip,pd-idle-ns.
+
+ rockchip,sr_idle:
+ deprecated: true
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description:
+ Configure the SR_IDLE value. Defines the self-refresh idle period in
+ which memories are placed into self-refresh mode if bus is idle for
+ SR_IDLE * 1024 DFI clock cycles (DFI clocks freq is half of DRAM clock).
+ See also rockchip,sr-idle-ns.
+ default: 0
+
+ rockchip,sr_mc_gate_idle:
+ deprecated: true
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description:
+ Defines the memory self-refresh and controller clock gating idle period.
+ Memories are placed into self-refresh mode and memory controller clock
+ arg gating started if bus is idle for sr_mc_gate_idle*1024 DFI clock
+ cycles.
+ See also rockchip,sr-mc-gate-idle-ns.
+
+ rockchip,srpd_lite_idle:
+ deprecated: true
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description:
+ Defines the self-refresh power down idle period in which memories are
+ placed into self-refresh power down mode if bus is idle for
+ srpd_lite_idle * 1024 DFI clock cycles. This parameter is for LPDDR4
+ only.
+ See also rockchip,srpd-lite-idle-ns.
+
+ rockchip,standby_idle:
+ deprecated: true
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description:
+ Defines the standby idle period in which memories are placed into
+ self-refresh mode. The controller, pi, PHY and DRAM clock will be gated
+ if bus is idle for standby_idle * DFI clock cycles.
+ See also rockchip,standby-idle-ns.
+
+ rockchip,dram_dll_dis_freq:
+ deprecated: true
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: |
+ Defines the DDR3 DLL bypass frequency in MHz. When DDR frequency is less
+ than DRAM_DLL_DISB_FREQ, DDR3 DLL will be bypassed.
+ Note: if DLL was bypassed, the odt will also stop working.
+
+ rockchip,phy_dll_dis_freq:
+ deprecated: true
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: |
+ Defines the PHY dll bypass frequency in MHz (Mega Hz). When DDR frequency
+ is less than DRAM_DLL_DISB_FREQ, PHY DLL will be bypassed.
+ Note: PHY DLL and PHY ODT are independent.
+
+ rockchip,auto_pd_dis_freq:
+ deprecated: true
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description:
+ Defines the auto PD disable frequency in MHz.
+
+ rockchip,ddr3_odt_dis_freq:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 1000000 # In case anyone thought this was MHz.
+ description:
+ When the DRAM type is DDR3, this parameter defines the ODT disable
+ frequency in Hz. When the DDR frequency is less then ddr3_odt_dis_freq,
+ the ODT on the DRAM side and controller side are both disabled.
+
+ rockchip,ddr3_drv:
+ deprecated: true
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description:
+ When the DRAM type is DDR3, this parameter defines the DRAM side drive
+ strength in ohms.
+ default: 40
+
+ rockchip,ddr3_odt:
+ deprecated: true
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description:
+ When the DRAM type is DDR3, this parameter defines the DRAM side ODT
+ strength in ohms.
+ default: 120
+
+ rockchip,phy_ddr3_ca_drv:
+ deprecated: true
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description:
+ When the DRAM type is DDR3, this parameter defines the phy side CA line
+ (incluing command line, address line and clock line) drive strength.
+ default: 40
+
+ rockchip,phy_ddr3_dq_drv:
+ deprecated: true
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description:
+ When the DRAM type is DDR3, this parameter defines the PHY side DQ line
+ (including DQS/DQ/DM line) drive strength.
+ default: 40
+
+ rockchip,phy_ddr3_odt:
+ deprecated: true
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description:
+ When the DRAM type is DDR3, this parameter defines the PHY side ODT
+ strength.
+ default: 240
+
+ rockchip,lpddr3_odt_dis_freq:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 1000000 # In case anyone thought this was MHz.
+ description:
+ When the DRAM type is LPDDR3, this parameter defines then ODT disable
+ frequency in Hz. When DDR frequency is less then ddr3_odt_dis_freq, the
+ ODT on the DRAM side and controller side are both disabled.
+
+ rockchip,lpddr3_drv:
+ deprecated: true
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description:
+ When the DRAM type is LPDDR3, this parameter defines the DRAM side drive
+ strength in ohms.
+ default: 34
+
+ rockchip,lpddr3_odt:
+ deprecated: true
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description:
+ When the DRAM type is LPDDR3, this parameter defines the DRAM side ODT
+ strength in ohms.
+ default: 240
+
+ rockchip,phy_lpddr3_ca_drv:
+ deprecated: true
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description:
+ When the DRAM type is LPDDR3, this parameter defines the PHY side CA line
+ (including command line, address line and clock line) drive strength.
+ default: 40
+
+ rockchip,phy_lpddr3_dq_drv:
+ deprecated: true
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description:
+ When the DRAM type is LPDDR3, this parameter defines the PHY side DQ line
+ (including DQS/DQ/DM line) drive strength.
+ default: 40
+
+ rockchip,phy_lpddr3_odt:
+ deprecated: true
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description:
+ When dram type is LPDDR3, this parameter define the phy side odt
+ strength, default value is 240.
+
+ rockchip,lpddr4_odt_dis_freq:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ minimum: 1000000 # In case anyone thought this was MHz.
+ description:
+ When the DRAM type is LPDDR4, this parameter defines the ODT disable
+ frequency in Hz. When the DDR frequency is less then ddr3_odt_dis_freq,
+ the ODT on the DRAM side and controller side are both disabled.
+
+ rockchip,lpddr4_drv:
+ deprecated: true
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description:
+ When the DRAM type is LPDDR4, this parameter defines the DRAM side drive
+ strength in ohms.
+ default: 60
+
+ rockchip,lpddr4_dq_odt:
+ deprecated: true
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description:
+ When the DRAM type is LPDDR4, this parameter defines the DRAM side ODT on
+ DQS/DQ line strength in ohms.
+ default: 40
+
+ rockchip,lpddr4_ca_odt:
+ deprecated: true
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description:
+ When the DRAM type is LPDDR4, this parameter defines the DRAM side ODT on
+ CA line strength in ohms.
+ default: 40
+
+ rockchip,phy_lpddr4_ca_drv:
+ deprecated: true
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description:
+ When the DRAM type is LPDDR4, this parameter defines the PHY side CA line
+ (including command address line) drive strength.
+ default: 40
+
+ rockchip,phy_lpddr4_ck_cs_drv:
+ deprecated: true
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description:
+ When the DRAM type is LPDDR4, this parameter defines the PHY side clock
+ line and CS line drive strength.
+ default: 80
+
+ rockchip,phy_lpddr4_dq_drv:
+ deprecated: true
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description:
+ When the DRAM type is LPDDR4, this parameter defines the PHY side DQ line
+ (including DQS/DQ/DM line) drive strength.
+ default: 80
+
+ rockchip,phy_lpddr4_odt:
+ deprecated: true
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description:
+ When the DRAM type is LPDDR4, this parameter defines the PHY side ODT
+ strength.
+ default: 60
+
+ rockchip,pd-idle-ns:
+ description:
+ Configure the PD_IDLE value in nanoseconds. Defines the power-down idle
+ period in which memories are placed into power-down mode if bus is idle
+ for PD_IDLE nanoseconds.
+
+ rockchip,sr-idle-ns:
+ description:
+ Configure the SR_IDLE value in nanoseconds. Defines the self-refresh idle
+ period in which memories are placed into self-refresh mode if bus is idle
+ for SR_IDLE nanoseconds.
+ default: 0
+
+ rockchip,sr-mc-gate-idle-ns:
+ description:
+ Defines the memory self-refresh and controller clock gating idle period in nanoseconds.
+ Memories are placed into self-refresh mode and memory controller clock
+ arg gating started if bus is idle for sr_mc_gate_idle nanoseconds.
+
+ rockchip,srpd-lite-idle-ns:
+ description:
+ Defines the self-refresh power down idle period in which memories are
+ placed into self-refresh power down mode if bus is idle for
+ srpd_lite_idle nanoseonds. This parameter is for LPDDR4 only.
+
+ rockchip,standby-idle-ns:
+ description:
+ Defines the standby idle period in which memories are placed into
+ self-refresh mode. The controller, pi, PHY and DRAM clock will be gated
+ if bus is idle for standby_idle nanoseconds.
+
+ rockchip,pd-idle-dis-freq-hz:
+ description:
+ Defines the power-down idle disable frequency in Hz. When the DDR
+ frequency is greater than pd-idle-dis-freq, power-down idle is disabled.
+ See also rockchip,pd-idle-ns.
+
+ rockchip,sr-idle-dis-freq-hz:
+ description:
+ Defines the self-refresh idle disable frequency in Hz. When the DDR
+ frequency is greater than sr-idle-dis-freq, self-refresh idle is
+ disabled. See also rockchip,sr-idle-ns.
+
+ rockchip,sr-mc-gate-idle-dis-freq-hz:
+ description:
+ Defines the self-refresh and memory-controller clock gating disable
+ frequency in Hz. When the DDR frequency is greater than
+ sr-mc-gate-idle-dis-freq, the clock will not be gated when idle. See also
+ rockchip,sr-mc-gate-idle-ns.
+
+ rockchip,srpd-lite-idle-dis-freq-hz:
+ description:
+ Defines the self-refresh power down idle disable frequency in Hz. When
+ the DDR frequency is greater than srpd-lite-idle-dis-freq, memory will
+ not be placed into self-refresh power down mode when idle. See also
+ rockchip,srpd-lite-idle-ns.
+
+ rockchip,standby-idle-dis-freq-hz:
+ description:
+ Defines the standby idle disable frequency in Hz. When the DDR frequency
+ is greater than standby-idle-dis-freq, standby idle is disabled. See also
+ rockchip,standby-idle-ns.
+
+required:
+ - compatible
+ - devfreq-events
+ - clocks
+ - clock-names
+ - operating-points-v2
+ - center-supply
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/rk3399-cru.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+ memory-controller {
+ compatible = "rockchip,rk3399-dmc";
+ devfreq-events = <&dfi>;
+ rockchip,pmu = <&pmu>;
+ interrupts = <GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&cru SCLK_DDRC>;
+ clock-names = "dmc_clk";
+ operating-points-v2 = <&dmc_opp_table>;
+ center-supply = <&ppvar_centerlogic>;
+ rockchip,pd-idle-ns = <160>;
+ rockchip,sr-idle-ns = <10240>;
+ rockchip,sr-mc-gate-idle-ns = <40960>;
+ rockchip,srpd-lite-idle-ns = <61440>;
+ rockchip,standby-idle-ns = <81920>;
+ rockchip,ddr3_odt_dis_freq = <333000000>;
+ rockchip,lpddr3_odt_dis_freq = <333000000>;
+ rockchip,lpddr4_odt_dis_freq = <333000000>;
+ rockchip,pd-idle-dis-freq-hz = <1000000000>;
+ rockchip,sr-idle-dis-freq-hz = <1000000000>;
+ rockchip,sr-mc-gate-idle-dis-freq-hz = <1000000000>;
+ rockchip,srpd-lite-idle-dis-freq-hz = <0>;
+ rockchip,standby-idle-dis-freq-hz = <928000000>;
+ };