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author | Micky Ching <micky_ching@realsil.com.cn> | 2015-06-29 09:19:39 +0800 |
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committer | Lee Jones <lee.jones@linaro.org> | 2015-10-30 17:19:51 +0000 |
commit | ce6a5acc93876f619f32f8f60c7c6e549e46d962 (patch) | |
tree | d89dbff3343ad44de6bcc01238734916e5381de3 /drivers/mfd | |
parent | 6f44b14870520e2758b758cc3b3b4c09c4b715ab (diff) | |
download | linux-stable-ce6a5acc93876f619f32f8f60c7c6e549e46d962.tar.gz linux-stable-ce6a5acc93876f619f32f8f60c7c6e549e46d962.tar.bz2 linux-stable-ce6a5acc93876f619f32f8f60c7c6e549e46d962.zip |
mfd: rtsx: Add support for rts522A
rts522a(rts5227s) is derived from rts5227, and mainly same with rts5227.
Add it to file mfd/rts5227.c to support this chip.
Signed-off-by: Micky Ching <micky_ching@realsil.com.cn>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'drivers/mfd')
-rw-r--r-- | drivers/mfd/Kconfig | 7 | ||||
-rw-r--r-- | drivers/mfd/rts5227.c | 77 | ||||
-rw-r--r-- | drivers/mfd/rtsx_pcr.c | 5 | ||||
-rw-r--r-- | drivers/mfd/rtsx_pcr.h | 3 |
4 files changed, 87 insertions, 5 deletions
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index d6514fb35f78..2db1337432cf 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -736,9 +736,10 @@ config MFD_RTSX_PCI select MFD_CORE help This supports for Realtek PCI-Express card reader including rts5209, - rts5229, rtl8411, etc. Realtek card reader supports access to many - types of memory cards, such as Memory Stick, Memory Stick Pro, - Secure Digital and MultiMediaCard. + rts5227, rts522A, rts5229, rts5249, rts524A, rts525A, rtl8411, etc. + Realtek card reader supports access to many types of memory cards, + such as Memory Stick, Memory Stick Pro, Secure Digital and + MultiMediaCard. config MFD_RT5033 tristate "Richtek RT5033 Power Management IC" diff --git a/drivers/mfd/rts5227.c b/drivers/mfd/rts5227.c index c5a65298c781..ff296a4bf3d2 100644 --- a/drivers/mfd/rts5227.c +++ b/drivers/mfd/rts5227.c @@ -26,6 +26,14 @@ #include "rtsx_pcr.h" +static u8 rts5227_get_ic_version(struct rtsx_pcr *pcr) +{ + u8 val; + + rtsx_pci_read_register(pcr, DUMMY_REG_RESET_0, &val); + return val & 0x0F; +} + static void rts5227_fill_driving(struct rtsx_pcr *pcr, u8 voltage) { u8 driving_3v3[4][3] = { @@ -88,7 +96,7 @@ static void rts5227_force_power_down(struct rtsx_pcr *pcr, u8 pm_state) rtsx_pci_write_register(pcr, AUTOLOAD_CFG_BASE + 3, 0x01, 0); if (pm_state == HOST_ENTER_S3) - rtsx_pci_write_register(pcr, PM_CTRL3, 0x10, 0x10); + rtsx_pci_write_register(pcr, pcr->reg_pm_ctrl3, 0x10, 0x10); rtsx_pci_write_register(pcr, FPDCTL, 0x03, 0x03); } @@ -121,7 +129,7 @@ static int rts5227_extra_init_hw(struct rtsx_pcr *pcr) rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PETXCFG, 0xB8, 0xB8); else rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PETXCFG, 0xB8, 0x88); - rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, PM_CTRL3, 0x10, 0x00); + rtsx_pci_add_cmd(pcr, WRITE_REG_CMD, pcr->reg_pm_ctrl3, 0x10, 0x00); return rtsx_pci_send_cmd(pcr, 100); } @@ -294,8 +302,73 @@ void rts5227_init_params(struct rtsx_pcr *pcr) pcr->tx_initial_phase = SET_CLOCK_PHASE(27, 27, 15); pcr->rx_initial_phase = SET_CLOCK_PHASE(30, 7, 7); + pcr->ic_version = rts5227_get_ic_version(pcr); pcr->sd_pull_ctl_enable_tbl = rts5227_sd_pull_ctl_enable_tbl; pcr->sd_pull_ctl_disable_tbl = rts5227_sd_pull_ctl_disable_tbl; pcr->ms_pull_ctl_enable_tbl = rts5227_ms_pull_ctl_enable_tbl; pcr->ms_pull_ctl_disable_tbl = rts5227_ms_pull_ctl_disable_tbl; + + pcr->reg_pm_ctrl3 = PM_CTRL3; +} + +static int rts522a_optimize_phy(struct rtsx_pcr *pcr) +{ + int err; + + err = rtsx_pci_write_register(pcr, RTS522A_PM_CTRL3, D3_DELINK_MODE_EN, + 0x00); + if (err < 0) + return err; + + if (is_version(pcr, 0x522A, IC_VER_A)) { + err = rtsx_pci_write_phy_register(pcr, PHY_RCR2, + PHY_RCR2_INIT_27S); + if (err) + return err; + + rtsx_pci_write_phy_register(pcr, PHY_RCR1, PHY_RCR1_INIT_27S); + rtsx_pci_write_phy_register(pcr, PHY_FLD0, PHY_FLD0_INIT_27S); + rtsx_pci_write_phy_register(pcr, PHY_FLD3, PHY_FLD3_INIT_27S); + rtsx_pci_write_phy_register(pcr, PHY_FLD4, PHY_FLD4_INIT_27S); + } + + return 0; +} + +static int rts522a_extra_init_hw(struct rtsx_pcr *pcr) +{ + rts5227_extra_init_hw(pcr); + + rtsx_pci_write_register(pcr, FUNC_FORCE_CTL, FUNC_FORCE_UPME_XMT_DBG, + FUNC_FORCE_UPME_XMT_DBG); + rtsx_pci_write_register(pcr, PCLK_CTL, 0x04, 0x04); + rtsx_pci_write_register(pcr, PM_EVENT_DEBUG, PME_DEBUG_0, PME_DEBUG_0); + rtsx_pci_write_register(pcr, PM_CLK_FORCE_CTL, 0xFF, 0x11); + + return 0; +} + +/* rts522a operations mainly derived from rts5227, except phy/hw init setting. + */ +static const struct pcr_ops rts522a_pcr_ops = { + .fetch_vendor_settings = rts5227_fetch_vendor_settings, + .extra_init_hw = rts522a_extra_init_hw, + .optimize_phy = rts522a_optimize_phy, + .turn_on_led = rts5227_turn_on_led, + .turn_off_led = rts5227_turn_off_led, + .enable_auto_blink = rts5227_enable_auto_blink, + .disable_auto_blink = rts5227_disable_auto_blink, + .card_power_on = rts5227_card_power_on, + .card_power_off = rts5227_card_power_off, + .switch_output_voltage = rts5227_switch_output_voltage, + .cd_deglitch = NULL, + .conv_clk_and_div_n = NULL, + .force_power_down = rts5227_force_power_down, +}; + +void rts522a_init_params(struct rtsx_pcr *pcr) +{ + rts5227_init_params(pcr); + + pcr->reg_pm_ctrl3 = RTS522A_PM_CTRL3; } diff --git a/drivers/mfd/rtsx_pcr.c b/drivers/mfd/rtsx_pcr.c index b98cf1de0a55..f3820d08c9a3 100644 --- a/drivers/mfd/rtsx_pcr.c +++ b/drivers/mfd/rtsx_pcr.c @@ -55,6 +55,7 @@ static const struct pci_device_id rtsx_pci_ids[] = { { PCI_DEVICE(0x10EC, 0x5229), PCI_CLASS_OTHERS << 16, 0xFF0000 }, { PCI_DEVICE(0x10EC, 0x5289), PCI_CLASS_OTHERS << 16, 0xFF0000 }, { PCI_DEVICE(0x10EC, 0x5227), PCI_CLASS_OTHERS << 16, 0xFF0000 }, + { PCI_DEVICE(0x10EC, 0x522A), PCI_CLASS_OTHERS << 16, 0xFF0000 }, { PCI_DEVICE(0x10EC, 0x5249), PCI_CLASS_OTHERS << 16, 0xFF0000 }, { PCI_DEVICE(0x10EC, 0x5287), PCI_CLASS_OTHERS << 16, 0xFF0000 }, { PCI_DEVICE(0x10EC, 0x5286), PCI_CLASS_OTHERS << 16, 0xFF0000 }, @@ -1098,6 +1099,10 @@ static int rtsx_pci_init_chip(struct rtsx_pcr *pcr) rts5227_init_params(pcr); break; + case 0x522A: + rts522a_init_params(pcr); + break; + case 0x5249: rts5249_init_params(pcr); break; diff --git a/drivers/mfd/rtsx_pcr.h b/drivers/mfd/rtsx_pcr.h index ce48842570d7..931d1ae3ce32 100644 --- a/drivers/mfd/rtsx_pcr.h +++ b/drivers/mfd/rtsx_pcr.h @@ -27,6 +27,8 @@ #define MIN_DIV_N_PCR 80 #define MAX_DIV_N_PCR 208 +#define RTS522A_PM_CTRL3 0xFF7E + #define RTS524A_PME_FORCE_CTL 0xFF78 #define RTS524A_PM_CTRL3 0xFF7E @@ -38,6 +40,7 @@ void rts5229_init_params(struct rtsx_pcr *pcr); void rtl8411_init_params(struct rtsx_pcr *pcr); void rtl8402_init_params(struct rtsx_pcr *pcr); void rts5227_init_params(struct rtsx_pcr *pcr); +void rts522a_init_params(struct rtsx_pcr *pcr); void rts5249_init_params(struct rtsx_pcr *pcr); void rts524a_init_params(struct rtsx_pcr *pcr); void rts525a_init_params(struct rtsx_pcr *pcr); |