* [PATCH 0/2] drm/msm/dsi: msm8x94 configuration and support @ 2015-06-18 14:14 Hai Li 2015-06-18 14:14 ` [PATCH 1/2] drm/msm/dsi: Update generated headers with 20nm PHY support Hai Li 2015-06-18 14:14 ` [PATCH 2/2] drm/msm/dsi: Add support for msm8x94 Hai Li 0 siblings, 2 replies; 3+ messages in thread From: Hai Li @ 2015-06-18 14:14 UTC (permalink / raw) To: dri-devel; +Cc: linux-arm-msm, linux-kernel, robdclark, Hai Li Hai Li (2): drm/msm/dsi: Update generated headers with 20nm PHY support drm/msm/dsi: Add support for msm8x94 Documentation/devicetree/bindings/drm/msm/dsi.txt | 7 + drivers/gpu/drm/msm/dsi/dsi.h | 1 + drivers/gpu/drm/msm/dsi/dsi.xml.h | 192 ++++++++++++++++++++-- drivers/gpu/drm/msm/dsi/dsi_host.c | 18 ++ drivers/gpu/drm/msm/dsi/dsi_phy.c | 131 +++++++++++++++ 5 files changed, 338 insertions(+), 11 deletions(-) -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, hosted by The Linux Foundation ^ permalink raw reply [flat|nested] 3+ messages in thread
* [PATCH 1/2] drm/msm/dsi: Update generated headers with 20nm PHY support 2015-06-18 14:14 [PATCH 0/2] drm/msm/dsi: msm8x94 configuration and support Hai Li @ 2015-06-18 14:14 ` Hai Li 2015-06-18 14:14 ` [PATCH 2/2] drm/msm/dsi: Add support for msm8x94 Hai Li 1 sibling, 0 replies; 3+ messages in thread From: Hai Li @ 2015-06-18 14:14 UTC (permalink / raw) To: dri-devel; +Cc: linux-arm-msm, linux-kernel, robdclark, Hai Li Signed-off-by: Hai Li <hali@codeaurora.org> --- drivers/gpu/drm/msm/dsi/dsi.xml.h | 192 +++++++++++++++++++++++++++++++++++--- 1 file changed, 181 insertions(+), 11 deletions(-) diff --git a/drivers/gpu/drm/msm/dsi/dsi.xml.h b/drivers/gpu/drm/msm/dsi/dsi.xml.h index 9791ea0..9bb63a9 100644 --- a/drivers/gpu/drm/msm/dsi/dsi.xml.h +++ b/drivers/gpu/drm/msm/dsi/dsi.xml.h @@ -8,17 +8,8 @@ http://github.com/freedreno/envytools/ git clone https://github.com/freedreno/envytools.git The rules-ng-ng source files this header was generated from are: -- /home/robclark/src/freedreno/envytools/rnndb/msm.xml ( 676 bytes, from 2014-12-05 15:34:49) -- /home/robclark/src/freedreno/envytools/rnndb/freedreno_copyright.xml ( 1453 bytes, from 2013-03-31 16:51:27) -- /home/robclark/src/freedreno/envytools/rnndb/mdp/mdp4.xml ( 20915 bytes, from 2015-03-24 22:05:22) -- /home/robclark/src/freedreno/envytools/rnndb/mdp/mdp_common.xml ( 2352 bytes, from 2015-04-12 15:02:42) -- /home/robclark/src/freedreno/envytools/rnndb/mdp/mdp5.xml ( 35083 bytes, from 2015-04-12 15:04:03) -- /home/robclark/src/freedreno/envytools/rnndb/dsi/dsi.xml ( 22094 bytes, from 2015-05-12 12:45:23) -- /home/robclark/src/freedreno/envytools/rnndb/dsi/sfpb.xml ( 344 bytes, from 2013-08-11 19:26:32) -- /home/robclark/src/freedreno/envytools/rnndb/dsi/mmss_cc.xml ( 1686 bytes, from 2014-10-31 16:48:57) -- /home/robclark/src/freedreno/envytools/rnndb/hdmi/qfprom.xml ( 600 bytes, from 2013-07-05 19:21:12) -- /home/robclark/src/freedreno/envytools/rnndb/hdmi/hdmi.xml ( 29012 bytes, from 2015-05-12 12:45:23) -- /home/robclark/src/freedreno/envytools/rnndb/edp/edp.xml ( 10416 bytes, from 2015-05-12 12:45:23) +- /usr2/hali/local/envytools/envytools/rnndb/dsi/dsi.xml ( 25475 bytes, from 2015-05-08 22:31:43) +- /usr2/hali/local/envytools/envytools/rnndb/freedreno_copyright.xml ( 1453 bytes, from 2015-01-28 21:43:22) Copyright (C) 2013-2015 by the following authors: - Rob Clark <robdclark@gmail.com> (robclark) @@ -994,5 +985,184 @@ static inline uint32_t DSI_28nm_PHY_PLL_SDM_CFG3_FREQ_SEED_15_8(uint32_t val) #define REG_DSI_28nm_PHY_PLL_CTRL_54 0x000000d4 +static inline uint32_t REG_DSI_20nm_PHY_LN(uint32_t i0) { return 0x00000000 + 0x40*i0; } + +static inline uint32_t REG_DSI_20nm_PHY_LN_CFG_0(uint32_t i0) { return 0x00000000 + 0x40*i0; } + +static inline uint32_t REG_DSI_20nm_PHY_LN_CFG_1(uint32_t i0) { return 0x00000004 + 0x40*i0; } + +static inline uint32_t REG_DSI_20nm_PHY_LN_CFG_2(uint32_t i0) { return 0x00000008 + 0x40*i0; } + +static inline uint32_t REG_DSI_20nm_PHY_LN_CFG_3(uint32_t i0) { return 0x0000000c + 0x40*i0; } + +static inline uint32_t REG_DSI_20nm_PHY_LN_CFG_4(uint32_t i0) { return 0x00000010 + 0x40*i0; } + +static inline uint32_t REG_DSI_20nm_PHY_LN_TEST_DATAPATH(uint32_t i0) { return 0x00000014 + 0x40*i0; } + +static inline uint32_t REG_DSI_20nm_PHY_LN_DEBUG_SEL(uint32_t i0) { return 0x00000018 + 0x40*i0; } + +static inline uint32_t REG_DSI_20nm_PHY_LN_TEST_STR_0(uint32_t i0) { return 0x0000001c + 0x40*i0; } + +static inline uint32_t REG_DSI_20nm_PHY_LN_TEST_STR_1(uint32_t i0) { return 0x00000020 + 0x40*i0; } + +#define REG_DSI_20nm_PHY_LNCK_CFG_0 0x00000100 + +#define REG_DSI_20nm_PHY_LNCK_CFG_1 0x00000104 + +#define REG_DSI_20nm_PHY_LNCK_CFG_2 0x00000108 + +#define REG_DSI_20nm_PHY_LNCK_CFG_3 0x0000010c + +#define REG_DSI_20nm_PHY_LNCK_CFG_4 0x00000110 + +#define REG_DSI_20nm_PHY_LNCK_TEST_DATAPATH 0x00000114 + +#define REG_DSI_20nm_PHY_LNCK_DEBUG_SEL 0x00000118 + +#define REG_DSI_20nm_PHY_LNCK_TEST_STR0 0x0000011c + +#define REG_DSI_20nm_PHY_LNCK_TEST_STR1 0x00000120 + +#define REG_DSI_20nm_PHY_TIMING_CTRL_0 0x00000140 +#define DSI_20nm_PHY_TIMING_CTRL_0_CLK_ZERO__MASK 0x000000ff +#define DSI_20nm_PHY_TIMING_CTRL_0_CLK_ZERO__SHIFT 0 +static inline uint32_t DSI_20nm_PHY_TIMING_CTRL_0_CLK_ZERO(uint32_t val) +{ + return ((val) << DSI_20nm_PHY_TIMING_CTRL_0_CLK_ZERO__SHIFT) & DSI_20nm_PHY_TIMING_CTRL_0_CLK_ZERO__MASK; +} + +#define REG_DSI_20nm_PHY_TIMING_CTRL_1 0x00000144 +#define DSI_20nm_PHY_TIMING_CTRL_1_CLK_TRAIL__MASK 0x000000ff +#define DSI_20nm_PHY_TIMING_CTRL_1_CLK_TRAIL__SHIFT 0 +static inline uint32_t DSI_20nm_PHY_TIMING_CTRL_1_CLK_TRAIL(uint32_t val) +{ + return ((val) << DSI_20nm_PHY_TIMING_CTRL_1_CLK_TRAIL__SHIFT) & DSI_20nm_PHY_TIMING_CTRL_1_CLK_TRAIL__MASK; +} + +#define REG_DSI_20nm_PHY_TIMING_CTRL_2 0x00000148 +#define DSI_20nm_PHY_TIMING_CTRL_2_CLK_PREPARE__MASK 0x000000ff +#define DSI_20nm_PHY_TIMING_CTRL_2_CLK_PREPARE__SHIFT 0 +static inline uint32_t DSI_20nm_PHY_TIMING_CTRL_2_CLK_PREPARE(uint32_t val) +{ + return ((val) << DSI_20nm_PHY_TIMING_CTRL_2_CLK_PREPARE__SHIFT) & DSI_20nm_PHY_TIMING_CTRL_2_CLK_PREPARE__MASK; +} + +#define REG_DSI_20nm_PHY_TIMING_CTRL_3 0x0000014c +#define DSI_20nm_PHY_TIMING_CTRL_3_CLK_ZERO_8 0x00000001 + +#define REG_DSI_20nm_PHY_TIMING_CTRL_4 0x00000150 +#define DSI_20nm_PHY_TIMING_CTRL_4_HS_EXIT__MASK 0x000000ff +#define DSI_20nm_PHY_TIMING_CTRL_4_HS_EXIT__SHIFT 0 +static inline uint32_t DSI_20nm_PHY_TIMING_CTRL_4_HS_EXIT(uint32_t val) +{ + return ((val) << DSI_20nm_PHY_TIMING_CTRL_4_HS_EXIT__SHIFT) & DSI_20nm_PHY_TIMING_CTRL_4_HS_EXIT__MASK; +} + +#define REG_DSI_20nm_PHY_TIMING_CTRL_5 0x00000154 +#define DSI_20nm_PHY_TIMING_CTRL_5_HS_ZERO__MASK 0x000000ff +#define DSI_20nm_PHY_TIMING_CTRL_5_HS_ZERO__SHIFT 0 +static inline uint32_t DSI_20nm_PHY_TIMING_CTRL_5_HS_ZERO(uint32_t val) +{ + return ((val) << DSI_20nm_PHY_TIMING_CTRL_5_HS_ZERO__SHIFT) & DSI_20nm_PHY_TIMING_CTRL_5_HS_ZERO__MASK; +} + +#define REG_DSI_20nm_PHY_TIMING_CTRL_6 0x00000158 +#define DSI_20nm_PHY_TIMING_CTRL_6_HS_PREPARE__MASK 0x000000ff +#define DSI_20nm_PHY_TIMING_CTRL_6_HS_PREPARE__SHIFT 0 +static inline uint32_t DSI_20nm_PHY_TIMING_CTRL_6_HS_PREPARE(uint32_t val) +{ + return ((val) << DSI_20nm_PHY_TIMING_CTRL_6_HS_PREPARE__SHIFT) & DSI_20nm_PHY_TIMING_CTRL_6_HS_PREPARE__MASK; +} + +#define REG_DSI_20nm_PHY_TIMING_CTRL_7 0x0000015c +#define DSI_20nm_PHY_TIMING_CTRL_7_HS_TRAIL__MASK 0x000000ff +#define DSI_20nm_PHY_TIMING_CTRL_7_HS_TRAIL__SHIFT 0 +static inline uint32_t DSI_20nm_PHY_TIMING_CTRL_7_HS_TRAIL(uint32_t val) +{ + return ((val) << DSI_20nm_PHY_TIMING_CTRL_7_HS_TRAIL__SHIFT) & DSI_20nm_PHY_TIMING_CTRL_7_HS_TRAIL__MASK; +} + +#define REG_DSI_20nm_PHY_TIMING_CTRL_8 0x00000160 +#define DSI_20nm_PHY_TIMING_CTRL_8_HS_RQST__MASK 0x000000ff +#define DSI_20nm_PHY_TIMING_CTRL_8_HS_RQST__SHIFT 0 +static inline uint32_t DSI_20nm_PHY_TIMING_CTRL_8_HS_RQST(uint32_t val) +{ + return ((val) << DSI_20nm_PHY_TIMING_CTRL_8_HS_RQST__SHIFT) & DSI_20nm_PHY_TIMING_CTRL_8_HS_RQST__MASK; +} + +#define REG_DSI_20nm_PHY_TIMING_CTRL_9 0x00000164 +#define DSI_20nm_PHY_TIMING_CTRL_9_TA_GO__MASK 0x00000007 +#define DSI_20nm_PHY_TIMING_CTRL_9_TA_GO__SHIFT 0 +static inline uint32_t DSI_20nm_PHY_TIMING_CTRL_9_TA_GO(uint32_t val) +{ + return ((val) << DSI_20nm_PHY_TIMING_CTRL_9_TA_GO__SHIFT) & DSI_20nm_PHY_TIMING_CTRL_9_TA_GO__MASK; +} +#define DSI_20nm_PHY_TIMING_CTRL_9_TA_SURE__MASK 0x00000070 +#define DSI_20nm_PHY_TIMING_CTRL_9_TA_SURE__SHIFT 4 +static inline uint32_t DSI_20nm_PHY_TIMING_CTRL_9_TA_SURE(uint32_t val) +{ + return ((val) << DSI_20nm_PHY_TIMING_CTRL_9_TA_SURE__SHIFT) & DSI_20nm_PHY_TIMING_CTRL_9_TA_SURE__MASK; +} + +#define REG_DSI_20nm_PHY_TIMING_CTRL_10 0x00000168 +#define DSI_20nm_PHY_TIMING_CTRL_10_TA_GET__MASK 0x00000007 +#define DSI_20nm_PHY_TIMING_CTRL_10_TA_GET__SHIFT 0 +static inline uint32_t DSI_20nm_PHY_TIMING_CTRL_10_TA_GET(uint32_t val) +{ + return ((val) << DSI_20nm_PHY_TIMING_CTRL_10_TA_GET__SHIFT) & DSI_20nm_PHY_TIMING_CTRL_10_TA_GET__MASK; +} + +#define REG_DSI_20nm_PHY_TIMING_CTRL_11 0x0000016c +#define DSI_20nm_PHY_TIMING_CTRL_11_TRIG3_CMD__MASK 0x000000ff +#define DSI_20nm_PHY_TIMING_CTRL_11_TRIG3_CMD__SHIFT 0 +static inline uint32_t DSI_20nm_PHY_TIMING_CTRL_11_TRIG3_CMD(uint32_t val) +{ + return ((val) << DSI_20nm_PHY_TIMING_CTRL_11_TRIG3_CMD__SHIFT) & DSI_20nm_PHY_TIMING_CTRL_11_TRIG3_CMD__MASK; +} + +#define REG_DSI_20nm_PHY_CTRL_0 0x00000170 + +#define REG_DSI_20nm_PHY_CTRL_1 0x00000174 + +#define REG_DSI_20nm_PHY_CTRL_2 0x00000178 + +#define REG_DSI_20nm_PHY_CTRL_3 0x0000017c + +#define REG_DSI_20nm_PHY_CTRL_4 0x00000180 + +#define REG_DSI_20nm_PHY_STRENGTH_0 0x00000184 + +#define REG_DSI_20nm_PHY_STRENGTH_1 0x00000188 + +#define REG_DSI_20nm_PHY_BIST_CTRL_0 0x000001b4 + +#define REG_DSI_20nm_PHY_BIST_CTRL_1 0x000001b8 + +#define REG_DSI_20nm_PHY_BIST_CTRL_2 0x000001bc + +#define REG_DSI_20nm_PHY_BIST_CTRL_3 0x000001c0 + +#define REG_DSI_20nm_PHY_BIST_CTRL_4 0x000001c4 + +#define REG_DSI_20nm_PHY_BIST_CTRL_5 0x000001c8 + +#define REG_DSI_20nm_PHY_GLBL_TEST_CTRL 0x000001d4 + +#define REG_DSI_20nm_PHY_LDO_CNTRL 0x000001dc + +#define REG_DSI_20nm_PHY_REGULATOR_CTRL_0 0x00000000 + +#define REG_DSI_20nm_PHY_REGULATOR_CTRL_1 0x00000004 + +#define REG_DSI_20nm_PHY_REGULATOR_CTRL_2 0x00000008 + +#define REG_DSI_20nm_PHY_REGULATOR_CTRL_3 0x0000000c + +#define REG_DSI_20nm_PHY_REGULATOR_CTRL_4 0x00000010 + +#define REG_DSI_20nm_PHY_REGULATOR_CTRL_5 0x00000014 + +#define REG_DSI_20nm_PHY_REGULATOR_CAL_PWR_CFG 0x00000018 + #endif /* DSI_XML */ -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, hosted by The Linux Foundation ^ permalink raw reply related [flat|nested] 3+ messages in thread
* [PATCH 2/2] drm/msm/dsi: Add support for msm8x94 2015-06-18 14:14 [PATCH 0/2] drm/msm/dsi: msm8x94 configuration and support Hai Li 2015-06-18 14:14 ` [PATCH 1/2] drm/msm/dsi: Update generated headers with 20nm PHY support Hai Li @ 2015-06-18 14:14 ` Hai Li 1 sibling, 0 replies; 3+ messages in thread From: Hai Li @ 2015-06-18 14:14 UTC (permalink / raw) To: dri-devel; +Cc: linux-arm-msm, linux-kernel, robdclark, Hai Li DSI controller on msm8x94 is version 1.3, which requires different power supplies and works with 20nm DSI PHY. This change is to add the basic support for this version. Signed-off-by: Hai Li <hali@codeaurora.org> --- Documentation/devicetree/bindings/drm/msm/dsi.txt | 7 ++ drivers/gpu/drm/msm/dsi/dsi.h | 1 + drivers/gpu/drm/msm/dsi/dsi_host.c | 18 +++ drivers/gpu/drm/msm/dsi/dsi_phy.c | 131 ++++++++++++++++++++++ 4 files changed, 157 insertions(+) diff --git a/Documentation/devicetree/bindings/drm/msm/dsi.txt b/Documentation/devicetree/bindings/drm/msm/dsi.txt index 4edd6fa..4309f0f 100644 --- a/Documentation/devicetree/bindings/drm/msm/dsi.txt +++ b/Documentation/devicetree/bindings/drm/msm/dsi.txt @@ -47,6 +47,7 @@ Required properties: - compatible: Could be the following * "qcom,dsi-phy-28nm-hpm" * "qcom,dsi-phy-28nm-lp" + * "qcom,dsi-phy-20nm" - reg: Physical base address and length of the registers of PLL, PHY and PHY regulator - reg-names: The names of register regions. The following regions are required: @@ -62,6 +63,10 @@ Required properties: * "iface_clk" - vddio-supply: phandle to vdd-io regulator device node +Optional properties: +- qcom,dsi-phy-regulator-ldo-mode: Boolean value indicating if the LDO mode PHY + regulator is wanted. + Example: mdss_dsi0: qcom,mdss_dsi@fd922800 { compatible = "qcom,mdss-dsi-ctrl"; @@ -124,4 +129,6 @@ Example: clock-names = "iface_clk"; clocks = <&mmcc MDSS_AHB_CLK>; vddio-supply = <&pma8084_l12>; + + qcom,dsi-phy-regulator-ldo-mode; }; diff --git a/drivers/gpu/drm/msm/dsi/dsi.h b/drivers/gpu/drm/msm/dsi/dsi.h index 5e29aad..e18872a 100644 --- a/drivers/gpu/drm/msm/dsi/dsi.h +++ b/drivers/gpu/drm/msm/dsi/dsi.h @@ -30,6 +30,7 @@ enum msm_dsi_phy_type { MSM_DSI_PHY_28NM_HPM, MSM_DSI_PHY_28NM_LP, + MSM_DSI_PHY_20NM, MSM_DSI_PHY_MAX }; diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c index 69c1397..2d8f194 100644 --- a/drivers/gpu/drm/msm/dsi/dsi_host.c +++ b/drivers/gpu/drm/msm/dsi/dsi_host.c @@ -34,6 +34,7 @@ #define MSM_DSI_6G_VER_MINOR_V1_1 0x10010000 #define MSM_DSI_6G_VER_MINOR_V1_1_1 0x10010001 #define MSM_DSI_6G_VER_MINOR_V1_2 0x10020000 +#define MSM_DSI_6G_VER_MINOR_V1_3 0x10030000 #define MSM_DSI_6G_VER_MINOR_V1_3_1 0x10030001 #define DSI_6G_REG_SHIFT 4 @@ -117,6 +118,23 @@ static const struct dsi_config dsi_cfgs[] = { }, }, }, + { /* 8x94 */ + .major = MSM_DSI_VER_MAJOR_6G, + .minor = MSM_DSI_6G_VER_MINOR_V1_3, + .io_offset = DSI_6G_REG_SHIFT, + .reg_cfg = { + .num = 7, + .regs = { + {"gdsc", -1, -1, -1, -1}, + {"vdda", 1250000, 1250000, 100000, 100}, + {"vddio", 1800000, 1800000, 100000, 100}, + {"vcca", 1000000, 1000000, 10000, 100}, + {"vdd", 1800000, 1800000, 100000, 100}, + {"lab_reg", -1, -1, -1, -1}, + {"ibb_reg", -1, -1, -1, -1}, + }, + } + }, }; static int dsi_get_version(const void __iomem *base, u32 *major, u32 *minor) diff --git a/drivers/gpu/drm/msm/dsi/dsi_phy.c b/drivers/gpu/drm/msm/dsi/dsi_phy.c index 52b463e..bd37e61 100644 --- a/drivers/gpu/drm/msm/dsi/dsi_phy.c +++ b/drivers/gpu/drm/msm/dsi/dsi_phy.c @@ -66,6 +66,8 @@ struct msm_dsi_phy { struct dsi_dphy_timing timing; const struct dsi_phy_cfg *cfg; + bool regulator_ldo_mode; + struct msm_dsi_pll *pll; }; @@ -406,6 +408,115 @@ static int dsi_28nm_phy_disable(struct msm_dsi_phy *phy) return 0; } +static void dsi_20nm_phy_regulator_ctrl(struct msm_dsi_phy *phy, bool enable) +{ + void __iomem *base = phy->reg_base; + + if (!enable) { + dsi_phy_write(base + REG_DSI_20nm_PHY_REGULATOR_CAL_PWR_CFG, 0); + return; + } + + if (phy->regulator_ldo_mode) { + dsi_phy_write(phy->base + REG_DSI_20nm_PHY_LDO_CNTRL, 0x1d); + return; + } + + /* non LDO mode */ + dsi_phy_write(base + REG_DSI_20nm_PHY_REGULATOR_CTRL_1, 0x03); + dsi_phy_write(base + REG_DSI_20nm_PHY_REGULATOR_CTRL_2, 0x03); + dsi_phy_write(base + REG_DSI_20nm_PHY_REGULATOR_CTRL_3, 0x00); + dsi_phy_write(base + REG_DSI_20nm_PHY_REGULATOR_CTRL_4, 0x20); + dsi_phy_write(base + REG_DSI_20nm_PHY_REGULATOR_CAL_PWR_CFG, 0x01); + dsi_phy_write(phy->base + REG_DSI_20nm_PHY_LDO_CNTRL, 0x00); + dsi_phy_write(base + REG_DSI_20nm_PHY_REGULATOR_CTRL_0, 0x03); +} + +static int dsi_20nm_phy_enable(struct msm_dsi_phy *phy, int src_pll_id, + const unsigned long bit_rate, const unsigned long esc_rate) +{ + struct dsi_dphy_timing *timing = &phy->timing; + int i; + void __iomem *base = phy->base; + u32 cfg_4[4] = {0x20, 0x40, 0x20, 0x00}; + + DBG(""); + + if (dsi_dphy_timing_calc(timing, bit_rate, esc_rate)) { + pr_err("%s: D-PHY timing calculation failed\n", __func__); + return -EINVAL; + } + + dsi_20nm_phy_regulator_ctrl(phy, true); + + dsi_phy_write(base + REG_DSI_20nm_PHY_STRENGTH_0, 0xff); + + dsi_phy_set_src_pll(phy, src_pll_id, REG_DSI_20nm_PHY_GLBL_TEST_CTRL); + + for (i = 0; i < 4; i++) { + dsi_phy_write(base + REG_DSI_20nm_PHY_LN_CFG_3(i), + (i >> 1) * 0x40); + dsi_phy_write(base + REG_DSI_20nm_PHY_LN_TEST_STR_0(i), 0x01); + dsi_phy_write(base + REG_DSI_20nm_PHY_LN_TEST_STR_1(i), 0x46); + dsi_phy_write(base + REG_DSI_20nm_PHY_LN_CFG_0(i), 0x02); + dsi_phy_write(base + REG_DSI_20nm_PHY_LN_CFG_1(i), 0xa0); + dsi_phy_write(base + REG_DSI_20nm_PHY_LN_CFG_4(i), cfg_4[i]); + } + + dsi_phy_write(base + REG_DSI_20nm_PHY_LNCK_CFG_3, 0x80); + dsi_phy_write(base + REG_DSI_20nm_PHY_LNCK_TEST_STR0, 0x01); + dsi_phy_write(base + REG_DSI_20nm_PHY_LNCK_TEST_STR1, 0x46); + dsi_phy_write(base + REG_DSI_20nm_PHY_LNCK_CFG_0, 0x00); + dsi_phy_write(base + REG_DSI_20nm_PHY_LNCK_CFG_1, 0xa0); + dsi_phy_write(base + REG_DSI_20nm_PHY_LNCK_CFG_2, 0x00); + dsi_phy_write(base + REG_DSI_20nm_PHY_LNCK_CFG_4, 0x00); + + dsi_phy_write(base + REG_DSI_20nm_PHY_TIMING_CTRL_0, + DSI_20nm_PHY_TIMING_CTRL_0_CLK_ZERO(timing->clk_zero)); + dsi_phy_write(base + REG_DSI_20nm_PHY_TIMING_CTRL_1, + DSI_20nm_PHY_TIMING_CTRL_1_CLK_TRAIL(timing->clk_trail)); + dsi_phy_write(base + REG_DSI_20nm_PHY_TIMING_CTRL_2, + DSI_20nm_PHY_TIMING_CTRL_2_CLK_PREPARE(timing->clk_prepare)); + if (timing->clk_zero & BIT(8)) + dsi_phy_write(base + REG_DSI_20nm_PHY_TIMING_CTRL_3, + DSI_20nm_PHY_TIMING_CTRL_3_CLK_ZERO_8); + dsi_phy_write(base + REG_DSI_20nm_PHY_TIMING_CTRL_4, + DSI_20nm_PHY_TIMING_CTRL_4_HS_EXIT(timing->hs_exit)); + dsi_phy_write(base + REG_DSI_20nm_PHY_TIMING_CTRL_5, + DSI_20nm_PHY_TIMING_CTRL_5_HS_ZERO(timing->hs_zero)); + dsi_phy_write(base + REG_DSI_20nm_PHY_TIMING_CTRL_6, + DSI_20nm_PHY_TIMING_CTRL_6_HS_PREPARE(timing->hs_prepare)); + dsi_phy_write(base + REG_DSI_20nm_PHY_TIMING_CTRL_7, + DSI_20nm_PHY_TIMING_CTRL_7_HS_TRAIL(timing->hs_trail)); + dsi_phy_write(base + REG_DSI_20nm_PHY_TIMING_CTRL_8, + DSI_20nm_PHY_TIMING_CTRL_8_HS_RQST(timing->hs_rqst)); + dsi_phy_write(base + REG_DSI_20nm_PHY_TIMING_CTRL_9, + DSI_20nm_PHY_TIMING_CTRL_9_TA_GO(timing->ta_go) | + DSI_20nm_PHY_TIMING_CTRL_9_TA_SURE(timing->ta_sure)); + dsi_phy_write(base + REG_DSI_20nm_PHY_TIMING_CTRL_10, + DSI_20nm_PHY_TIMING_CTRL_10_TA_GET(timing->ta_get)); + dsi_phy_write(base + REG_DSI_20nm_PHY_TIMING_CTRL_11, + DSI_20nm_PHY_TIMING_CTRL_11_TRIG3_CMD(0)); + + dsi_phy_write(base + REG_DSI_20nm_PHY_CTRL_1, 0x00); + + dsi_phy_write(base + REG_DSI_20nm_PHY_STRENGTH_1, 0x06); + + /* make sure everything is written before enable */ + wmb(); + dsi_phy_write(base + REG_DSI_20nm_PHY_CTRL_0, 0x7f); + + return 0; +} + +static int dsi_20nm_phy_disable(struct msm_dsi_phy *phy) +{ + dsi_phy_write(phy->base + REG_DSI_20nm_PHY_CTRL_0, 0); + dsi_20nm_phy_regulator_ctrl(phy, false); + + return 0; +} + static int dsi_phy_enable_resource(struct msm_dsi_phy *phy) { int ret; @@ -456,6 +567,21 @@ static const struct dsi_phy_cfg dsi_phy_cfgs[MSM_DSI_PHY_MAX] = { .disable = dsi_28nm_phy_disable, } }, + [MSM_DSI_PHY_20NM] = { + .type = MSM_DSI_PHY_20NM, + .src_pll_truthtable = { {false, true}, {false, true} }, + .reg_cfg = { + .num = 2, + .regs = { + {"vddio", 1800000, 1800000, 100000, 100}, + {"vcca", 1000000, 1000000, 10000, 100}, + }, + }, + .ops = { + .enable = dsi_20nm_phy_enable, + .disable = dsi_20nm_phy_disable, + } + }, }; static const struct of_device_id dsi_phy_dt_match[] = { @@ -463,6 +589,8 @@ static const struct of_device_id dsi_phy_dt_match[] = { .data = &dsi_phy_cfgs[MSM_DSI_PHY_28NM_HPM],}, { .compatible = "qcom,dsi-phy-28nm-lp", .data = &dsi_phy_cfgs[MSM_DSI_PHY_28NM_LP],}, + { .compatible = "qcom,dsi-phy-20nm", + .data = &dsi_phy_cfgs[MSM_DSI_PHY_20NM],}, {} }; @@ -492,6 +620,9 @@ static int dsi_phy_driver_probe(struct platform_device *pdev) goto fail; } + phy->regulator_ldo_mode = of_property_read_bool(pdev->dev.of_node, + "qcom,dsi-phy-regulator-ldo-mode"); + phy->base = msm_ioremap(pdev, "dsi_phy", "DSI_PHY"); if (IS_ERR(phy->base)) { dev_err(&pdev->dev, "%s: failed to map phy base\n", __func__); -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, hosted by The Linux Foundation ^ permalink raw reply related [flat|nested] 3+ messages in thread
end of thread, other threads:[~2015-06-18 14:14 UTC | newest] Thread overview: 3+ messages (download: mbox.gz follow: Atom feed -- links below jump to the message on this page -- 2015-06-18 14:14 [PATCH 0/2] drm/msm/dsi: msm8x94 configuration and support Hai Li 2015-06-18 14:14 ` [PATCH 1/2] drm/msm/dsi: Update generated headers with 20nm PHY support Hai Li 2015-06-18 14:14 ` [PATCH 2/2] drm/msm/dsi: Add support for msm8x94 Hai Li
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