Evolution-x-devices/kernel_xiaomi_sm8450-devicetrees
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Merge "ARM: dts: msm: Add limit rate on G4 for Lahaina rumi"

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qctecmdr
2019-12-20 12:22:25 -08:00
committed by Gerrit - the friendly Code Review server
parent 06692b39bd 2ffdfeb80f
commit edd91748b3
3 changed files with 62 additions and 2 deletions
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3
bindings/ufs/ufs-qcom.txt
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@@ -34,7 +34,8 @@ Optional properties:
- vddp-ref-clk-supply : phandle to UFS device ref_clk pad power supply
- vddp-ref-clk-max-microamp : specifies max. load that can be drawn from this supply
- resets : specifies the PHY reset in the UFS controller
- limit-rate : specifies if the rate has to be limited to A or B.
1 = rate B, 0 = rate A.
Example:
ufsphy1: ufsphy@fc597000 {

1
qcom/lahaina-rumi.dtsi
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@@ -18,6 +18,7 @@
&ufshc_mem {
limit-tx-hs-gear = <1>;
limit-rx-hs-gear = <1>;
limit-rate = <1>;
vdd-hba-supply = <&gcc_ufs_phy_gdsc>;
vdd-hba-fixed-regulator;

60
qcom/lahaina.dtsi
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@@ -1141,7 +1141,6 @@
phys = <&ufsphy_mem>;
phy-names = "ufsphy";
#reset-cells = <1>;
lanes-per-direction = <2>;
dev-ref-clk-freq = <0>; /* 19.2 MHz */
@@ -1175,6 +1174,65 @@
<0 0>,
<0 0>,
<0 0>;
interconnects = <&aggre1_noc MASTER_UFS_MEM &mc_virt SLAVE_EBI1>,
<&gem_noc MASTER_APPSS_PROC &config_noc SLAVE_UFS_MEM_CFG>;
interconnect-names = "ufs-ddr", "cpu-ufs";
qcom,ufs-bus-bw,name = "ufshc_mem";
qcom,ufs-bus-bw,num-cases = <26>;
qcom,ufs-bus-bw,num-paths = <2>;
qcom,ufs-bus-bw,vectors-KBps =
/*
* During HS G3 UFS runs at nominal voltage corner, vote
* higher bandwidth to push other buses in the data path
* to run at nominal to achieve max throughput.
* 4GBps pushes BIMC to run at nominal.
* 200MBps pushes CNOC to run at nominal.
* Vote for half of this bandwidth for HS G3 1-lane.
* For max bandwidth, vote high enough to push the buses
* to run in turbo voltage corner.
*/
<0 0>, <0 0>, /* No vote */
<922 0>, <1000 0>, /* PWM G1 */
<1844 0>, <1000 0>, /* PWM G2 */
<3688 0>, <1000 0>, /* PWM G3 */
<7376 0>, <1000 0>, /* PWM G4 */
<1844 0>, <1000 0>, /* PWM G1 L2 */
<3688 0>, <1000 0>, /* PWM G2 L2 */
<7376 0>, <1000 0>, /* PWM G3 L2 */
<14752 0>, <1000 0>, /* PWM G4 L2 */
<127796 0>, <1000 0>, /* HS G1 RA */
<255591 0>, <1000 0>, /* HS G2 RA */
<2097152 0>, <102400 0>, /* HS G3 RA */
<4194304 0>, <204800 0>, /* HS G4 RA */
<255591 0>, <1000 0>, /* HS G1 RA L2 */
<511181 0>, <1000 0>, /* HS G2 RA L2 */
<4194304 0>, <204800 0>, /* HS G3 RA L2 */
<8388608 0>, <409600 0>, /* HS G4 RA L2 */
<149422 0>, <1000 0>, /* HS G1 RB */
<298189 0>, <1000 0>, /* HS G2 RB */
<2097152 0>, <102400 0>, /* HS G3 RB */
<4194304 0>, <204800 0>, /* HS G4 RB */
<298189 0>, <1000 0>, /* HS G1 RB L2 */
<596378 0>, <1000 0>, /* HS G2 RB L2 */
/* As UFS working in HS G3 RB L2 mode, aggregated
* bandwidth (AB) should take care of providing
* optimum throughput requested. However, as tested,
* in order to scale up CNOC clock, instantaneous
* bindwidth (IB) needs to be given a proper value too.
*/
<4194304 0>, <204800 409600>, /* HS G3 RB L2 */
<8388608 0>, <409600 409600>, /* HS G4 RB L2 */
<7643136 0>, <307200 0>; /* Max. bandwidth */
qcom,bus-vector-names = "MIN",
"PWM_G1_L1", "PWM_G2_L1", "PWM_G3_L1", "PWM_G4_L1",
"PWM_G1_L2", "PWM_G2_L2", "PWM_G3_L2", "PWM_G4_L2",
"HS_RA_G1_L1", "HS_RA_G2_L1", "HS_RA_G3_L1", "HS_RA_G4_L1",
"HS_RA_G1_L2", "HS_RA_G2_L2", "HS_RA_G3_L2", "HS_RA_G4_L2",
"HS_RB_G1_L1", "HS_RB_G2_L1", "HS_RB_G3_L1", "HS_RB_G4_L1",
"HS_RB_G1_L2", "HS_RB_G2_L2", "HS_RB_G3_L2", "HS_RB_G4_L2",
"MAX";
reset-gpios = <&tlmm 203 GPIO_ACTIVE_LOW>;