summaryrefslogtreecommitdiffstats
path: root/drivers/clk/sprd
diff options
context:
space:
mode:
authorChunyan Zhang <chunyan.zhang@spreadtrum.com>2018-02-09 17:55:09 +0800
committerStephen Boyd <sboyd@kernel.org>2018-03-16 15:53:30 -0700
commitb3316a672bfbedbe0437b21937c1d6aeacbaabe4 (patch)
treed28cb461ad7970044c0ecf78a9a98759fb59e998 /drivers/clk/sprd
parentf7c14dd5b1291abaec3dda97867c5018e1b6aa01 (diff)
downloadlinux-stable-b3316a672bfbedbe0437b21937c1d6aeacbaabe4.tar.gz
linux-stable-b3316a672bfbedbe0437b21937c1d6aeacbaabe4.tar.bz2
linux-stable-b3316a672bfbedbe0437b21937c1d6aeacbaabe4.zip
clk: sprd: add RTC gate for SC9860
Add a few gate clocks which are used for gating RTC for some devices on AON area of SC9860. This patch has been tested on SC9860, with this patch and proper DT configurations, the watchdog can be initialized and work well. Signed-off-by: Chunyan Zhang <chunyan.zhang@spreadtrum.com> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Diffstat (limited to 'drivers/clk/sprd')
-rw-r--r--drivers/clk/sprd/sc9860-clk.c76
1 files changed, 76 insertions, 0 deletions
diff --git a/drivers/clk/sprd/sc9860-clk.c b/drivers/clk/sprd/sc9860-clk.c
index ed5c027df0f4..9980ab55271b 100644
--- a/drivers/clk/sprd/sc9860-clk.c
+++ b/drivers/clk/sprd/sc9860-clk.c
@@ -959,6 +959,44 @@ static SPRD_SC_GATE_CLK(sdio2_2x_en, "sdio2-2x-en", "aon-apb", 0x13c,
0x1000, BIT(6), 0, 0);
static SPRD_SC_GATE_CLK(emmc_2x_en, "emmc-2x-en", "aon-apb", 0x13c,
0x1000, BIT(9), 0, 0);
+static SPRD_SC_GATE_CLK(arch_rtc_eb, "arch-rtc-eb", "aon-apb", 0x10,
+ 0x1000, BIT(0), CLK_IGNORE_UNUSED, 0);
+static SPRD_SC_GATE_CLK(kpb_rtc_eb, "kpb-rtc-eb", "aon-apb", 0x10,
+ 0x1000, BIT(1), CLK_IGNORE_UNUSED, 0);
+static SPRD_SC_GATE_CLK(aon_syst_rtc_eb, "aon-syst-rtc-eb", "aon-apb", 0x10,
+ 0x1000, BIT(2), CLK_IGNORE_UNUSED, 0);
+static SPRD_SC_GATE_CLK(ap_syst_rtc_eb, "ap-syst-rtc-eb", "aon-apb", 0x10,
+ 0x1000, BIT(3), CLK_IGNORE_UNUSED, 0);
+static SPRD_SC_GATE_CLK(aon_tmr_rtc_eb, "aon-tmr-rtc-eb", "aon-apb", 0x10,
+ 0x1000, BIT(4), CLK_IGNORE_UNUSED, 0);
+static SPRD_SC_GATE_CLK(ap_tmr0_rtc_eb, "ap-tmr0-rtc-eb", "aon-apb", 0x10,
+ 0x1000, BIT(5), CLK_IGNORE_UNUSED, 0);
+static SPRD_SC_GATE_CLK(eic_rtc_eb, "eic-rtc-eb", "aon-apb", 0x10,
+ 0x1000, BIT(6), CLK_IGNORE_UNUSED, 0);
+static SPRD_SC_GATE_CLK(eic_rtcdv5_eb, "eic-rtcdv5-eb", "aon-apb", 0x10,
+ 0x1000, BIT(7), CLK_IGNORE_UNUSED, 0);
+static SPRD_SC_GATE_CLK(ap_wdg_rtc_eb, "ap-wdg-rtc-eb", "aon-apb", 0x10,
+ 0x1000, BIT(9), CLK_IGNORE_UNUSED, 0);
+static SPRD_SC_GATE_CLK(ap_tmr1_rtc_eb, "ap-tmr1-rtc-eb", "aon-apb", 0x10,
+ 0x1000, BIT(15), CLK_IGNORE_UNUSED, 0);
+static SPRD_SC_GATE_CLK(ap_tmr2_rtc_eb, "ap-tmr2-rtc-eb", "aon-apb", 0x10,
+ 0x1000, BIT(16), CLK_IGNORE_UNUSED, 0);
+static SPRD_SC_GATE_CLK(dcxo_tmr_rtc_eb, "dcxo-tmr-rtc-eb", "aon-apb", 0x10,
+ 0x1000, BIT(17), CLK_IGNORE_UNUSED, 0);
+static SPRD_SC_GATE_CLK(bb_cal_rtc_eb, "bb-cal-rtc-eb", "aon-apb", 0x10,
+ 0x1000, BIT(18), CLK_IGNORE_UNUSED, 0);
+static SPRD_SC_GATE_CLK(avs_big_rtc_eb, "avs-big-rtc-eb", "aon-apb", 0x10,
+ 0x1000, BIT(20), CLK_IGNORE_UNUSED, 0);
+static SPRD_SC_GATE_CLK(avs_lit_rtc_eb, "avs-lit-rtc-eb", "aon-apb", 0x10,
+ 0x1000, BIT(21), CLK_IGNORE_UNUSED, 0);
+static SPRD_SC_GATE_CLK(avs_gpu0_rtc_eb, "avs-gpu0-rtc-eb", "aon-apb", 0x10,
+ 0x1000, BIT(22), CLK_IGNORE_UNUSED, 0);
+static SPRD_SC_GATE_CLK(avs_gpu1_rtc_eb, "avs-gpu1-rtc-eb", "aon-apb", 0x10,
+ 0x1000, BIT(23), CLK_IGNORE_UNUSED, 0);
+static SPRD_SC_GATE_CLK(gpu_ts_eb, "gpu-ts-eb", "aon-apb", 0x10,
+ 0x1000, BIT(24), CLK_IGNORE_UNUSED, 0);
+static SPRD_SC_GATE_CLK(rtcdv10_eb, "rtcdv10-eb", "aon-apb", 0x10,
+ 0x1000, BIT(27), CLK_IGNORE_UNUSED, 0);
static struct sprd_clk_common *sc9860_aon_gate[] = {
/* address base is 0x402e0000 */
@@ -1030,6 +1068,25 @@ static struct sprd_clk_common *sc9860_aon_gate[] = {
&sdio1_2x_en.common,
&sdio2_2x_en.common,
&emmc_2x_en.common,
+ &arch_rtc_eb.common,
+ &kpb_rtc_eb.common,
+ &aon_syst_rtc_eb.common,
+ &ap_syst_rtc_eb.common,
+ &aon_tmr_rtc_eb.common,
+ &ap_tmr0_rtc_eb.common,
+ &eic_rtc_eb.common,
+ &eic_rtcdv5_eb.common,
+ &ap_wdg_rtc_eb.common,
+ &ap_tmr1_rtc_eb.common,
+ &ap_tmr2_rtc_eb.common,
+ &dcxo_tmr_rtc_eb.common,
+ &bb_cal_rtc_eb.common,
+ &avs_big_rtc_eb.common,
+ &avs_lit_rtc_eb.common,
+ &avs_gpu0_rtc_eb.common,
+ &avs_gpu1_rtc_eb.common,
+ &gpu_ts_eb.common,
+ &rtcdv10_eb.common,
};
static struct clk_hw_onecell_data sc9860_aon_gate_hws = {
@@ -1102,6 +1159,25 @@ static struct clk_hw_onecell_data sc9860_aon_gate_hws = {
[CLK_SDIO1_2X_EN] = &sdio1_2x_en.common.hw,
[CLK_SDIO2_2X_EN] = &sdio2_2x_en.common.hw,
[CLK_EMMC_2X_EN] = &emmc_2x_en.common.hw,
+ [CLK_ARCH_RTC_EB] = &arch_rtc_eb.common.hw,
+ [CLK_KPB_RTC_EB] = &kpb_rtc_eb.common.hw,
+ [CLK_AON_SYST_RTC_EB] = &aon_syst_rtc_eb.common.hw,
+ [CLK_AP_SYST_RTC_EB] = &ap_syst_rtc_eb.common.hw,
+ [CLK_AON_TMR_RTC_EB] = &aon_tmr_rtc_eb.common.hw,
+ [CLK_AP_TMR0_RTC_EB] = &ap_tmr0_rtc_eb.common.hw,
+ [CLK_EIC_RTC_EB] = &eic_rtc_eb.common.hw,
+ [CLK_EIC_RTCDV5_EB] = &eic_rtcdv5_eb.common.hw,
+ [CLK_AP_WDG_RTC_EB] = &ap_wdg_rtc_eb.common.hw,
+ [CLK_AP_TMR1_RTC_EB] = &ap_tmr1_rtc_eb.common.hw,
+ [CLK_AP_TMR2_RTC_EB] = &ap_tmr2_rtc_eb.common.hw,
+ [CLK_DCXO_TMR_RTC_EB] = &dcxo_tmr_rtc_eb.common.hw,
+ [CLK_BB_CAL_RTC_EB] = &bb_cal_rtc_eb.common.hw,
+ [CLK_AVS_BIG_RTC_EB] = &avs_big_rtc_eb.common.hw,
+ [CLK_AVS_LIT_RTC_EB] = &avs_lit_rtc_eb.common.hw,
+ [CLK_AVS_GPU0_RTC_EB] = &avs_gpu0_rtc_eb.common.hw,
+ [CLK_AVS_GPU1_RTC_EB] = &avs_gpu1_rtc_eb.common.hw,
+ [CLK_GPU_TS_EB] = &gpu_ts_eb.common.hw,
+ [CLK_RTCDV10_EB] = &rtcdv10_eb.common.hw,
},
.num = CLK_AON_GATE_NUM,
};