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authorArnd Bergmann <arnd@arndb.de>2013-04-08 13:30:48 -0400
committerArnd Bergmann <arnd@arndb.de>2013-04-08 13:30:48 -0400
commitdc2d3db8137fba0f62d7517e1bea8a47f69fcbc4 (patch)
treeaee802680d09fe7c1288138cbfc0db17702e8075 /drivers/extcon/extcon-max77693.c
parent8355ae69afca3b6bcb7b68712f30223455caebda (diff)
parent7f585bbfc54fec9dcf387fd2edb2d6f4908badf8 (diff)
Merge tag 'omap-for-v3.10/timer-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/drivers
From Tony Lindgren <tony@atomide.com>: Clean-up for omap2+ timers from Jon Hunter <jon-hunter@ti.com>: This series consists mainly of clean-ups for clockevents and clocksource timers on OMAP2+ devices. The most significant change in functionality comes from the 5th patch which is changing the selection of the clocksource timer for OMAP3 and AM335x devices when gptimers are used for clocksource. Note that this series depends on 7185684 (ARM: OMAP: use consistent error checking) in RMK's tree and 960cba6 (ARM: OMAP5: timer: Update the clocksource name as per clock data) in omap-for-v3.10/fixes-non-critical. So this branch is based on a merge of 7185684 and omap-for-v3.10/fixes-non-critical to avoid non-trivial merge conflicts. * tag 'omap-for-v3.10/timer-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: ARM: OMAP4+: Fix sparse warning in system timers ARM: OMAP2+: Store ID of system timers in timer structure ARM: OMAP3: Update clocksource timer selection ARM: OMAP2+: Simplify system timers definitions ARM: OMAP2+: Simplify system timer clock definitions ARM: OMAP2+: Remove hard-coded test on timer ID ARM: OMAP2+: Display correct system timer name ARM: OMAP2+: fix typo "CONFIG_BRIDGE_DVFS" ARM: OMAP1: remove "config MACH_OMAP_HTCWIZARD" ARM: OMAP: dpll: enable bypass clock only when attempting dpll bypass ARM: OMAP2+: powerdomain: avoid testing whether an unsigned char is less than 0 ARM: OMAP2+: hwmod: Remove unused _HWMOD_WAKEUP_ENABLED flag ARM: OMAP2+: am335x: Change the wdt1 func clk src to per_32k clk ARM: OMAP2+: AM33xx: hwmod: Add missing sysc definition to wdt1 entry Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'drivers/extcon/extcon-max77693.c')
-rw-r--r--drivers/extcon/extcon-max77693.c103
1 files changed, 80 insertions, 23 deletions
diff --git a/drivers/extcon/extcon-max77693.c b/drivers/extcon/extcon-max77693.c
index b70e3815c459..8f3c947b0029 100644
--- a/drivers/extcon/extcon-max77693.c
+++ b/drivers/extcon/extcon-max77693.c
@@ -32,6 +32,38 @@
32#define DEV_NAME "max77693-muic" 32#define DEV_NAME "max77693-muic"
33#define DELAY_MS_DEFAULT 20000 /* unit: millisecond */ 33#define DELAY_MS_DEFAULT 20000 /* unit: millisecond */
34 34
35/*
36 * Default value of MAX77693 register to bring up MUIC device.
37 * If user don't set some initial value for MUIC device through platform data,
38 * extcon-max77693 driver use 'default_init_data' to bring up base operation
39 * of MAX77693 MUIC device.
40 */
41struct max77693_reg_data default_init_data[] = {
42 {
43 /* STATUS2 - [3]ChgDetRun */
44 .addr = MAX77693_MUIC_REG_STATUS2,
45 .data = STATUS2_CHGDETRUN_MASK,
46 }, {
47 /* INTMASK1 - Unmask [3]ADC1KM,[0]ADCM */
48 .addr = MAX77693_MUIC_REG_INTMASK1,
49 .data = INTMASK1_ADC1K_MASK
50 | INTMASK1_ADC_MASK,
51 }, {
52 /* INTMASK2 - Unmask [0]ChgTypM */
53 .addr = MAX77693_MUIC_REG_INTMASK2,
54 .data = INTMASK2_CHGTYP_MASK,
55 }, {
56 /* INTMASK3 - Mask all of interrupts */
57 .addr = MAX77693_MUIC_REG_INTMASK3,
58 .data = 0x0,
59 }, {
60 /* CDETCTRL2 */
61 .addr = MAX77693_MUIC_REG_CDETCTRL2,
62 .data = CDETCTRL2_VIDRMEN_MASK
63 | CDETCTRL2_DXOVPEN_MASK,
64 },
65};
66
35enum max77693_muic_adc_debounce_time { 67enum max77693_muic_adc_debounce_time {
36 ADC_DEBOUNCE_TIME_5MS = 0, 68 ADC_DEBOUNCE_TIME_5MS = 0,
37 ADC_DEBOUNCE_TIME_10MS, 69 ADC_DEBOUNCE_TIME_10MS,
@@ -1045,8 +1077,9 @@ static int max77693_muic_probe(struct platform_device *pdev)
1045{ 1077{
1046 struct max77693_dev *max77693 = dev_get_drvdata(pdev->dev.parent); 1078 struct max77693_dev *max77693 = dev_get_drvdata(pdev->dev.parent);
1047 struct max77693_platform_data *pdata = dev_get_platdata(max77693->dev); 1079 struct max77693_platform_data *pdata = dev_get_platdata(max77693->dev);
1048 struct max77693_muic_platform_data *muic_pdata = pdata->muic_data;
1049 struct max77693_muic_info *info; 1080 struct max77693_muic_info *info;
1081 struct max77693_reg_data *init_data;
1082 int num_init_data;
1050 int delay_jiffies; 1083 int delay_jiffies;
1051 int ret; 1084 int ret;
1052 int i; 1085 int i;
@@ -1145,15 +1178,25 @@ static int max77693_muic_probe(struct platform_device *pdev)
1145 goto err_irq; 1178 goto err_irq;
1146 } 1179 }
1147 1180
1148 /* Initialize MUIC register by using platform data */ 1181
1149 for (i = 0 ; i < muic_pdata->num_init_data ; i++) { 1182 /* Initialize MUIC register by using platform data or default data */
1150 enum max77693_irq_source irq_src = MAX77693_IRQ_GROUP_NR; 1183 if (pdata->muic_data) {
1184 init_data = pdata->muic_data->init_data;
1185 num_init_data = pdata->muic_data->num_init_data;
1186 } else {
1187 init_data = default_init_data;
1188 num_init_data = ARRAY_SIZE(default_init_data);
1189 }
1190
1191 for (i = 0 ; i < num_init_data ; i++) {
1192 enum max77693_irq_source irq_src
1193 = MAX77693_IRQ_GROUP_NR;
1151 1194
1152 max77693_write_reg(info->max77693->regmap_muic, 1195 max77693_write_reg(info->max77693->regmap_muic,
1153 muic_pdata->init_data[i].addr, 1196 init_data[i].addr,
1154 muic_pdata->init_data[i].data); 1197 init_data[i].data);
1155 1198
1156 switch (muic_pdata->init_data[i].addr) { 1199 switch (init_data[i].addr) {
1157 case MAX77693_MUIC_REG_INTMASK1: 1200 case MAX77693_MUIC_REG_INTMASK1:
1158 irq_src = MUIC_INT1; 1201 irq_src = MUIC_INT1;
1159 break; 1202 break;
@@ -1167,22 +1210,40 @@ static int max77693_muic_probe(struct platform_device *pdev)
1167 1210
1168 if (irq_src < MAX77693_IRQ_GROUP_NR) 1211 if (irq_src < MAX77693_IRQ_GROUP_NR)
1169 info->max77693->irq_masks_cur[irq_src] 1212 info->max77693->irq_masks_cur[irq_src]
1170 = muic_pdata->init_data[i].data; 1213 = init_data[i].data;
1171 } 1214 }
1172 1215
1173 /* 1216 if (pdata->muic_data) {
1174 * Default usb/uart path whether UART/USB or AUX_UART/AUX_USB 1217 struct max77693_muic_platform_data *muic_pdata = pdata->muic_data;
1175 * h/w path of COMP2/COMN1 on CONTROL1 register.
1176 */
1177 if (muic_pdata->path_uart)
1178 info->path_uart = muic_pdata->path_uart;
1179 else
1180 info->path_uart = CONTROL1_SW_UART;
1181 1218
1182 if (muic_pdata->path_usb) 1219 /*
1183 info->path_usb = muic_pdata->path_usb; 1220 * Default usb/uart path whether UART/USB or AUX_UART/AUX_USB
1184 else 1221 * h/w path of COMP2/COMN1 on CONTROL1 register.
1222 */
1223 if (muic_pdata->path_uart)
1224 info->path_uart = muic_pdata->path_uart;
1225 else
1226 info->path_uart = CONTROL1_SW_UART;
1227
1228 if (muic_pdata->path_usb)
1229 info->path_usb = muic_pdata->path_usb;
1230 else
1231 info->path_usb = CONTROL1_SW_USB;
1232
1233 /*
1234 * Default delay time for detecting cable state
1235 * after certain time.
1236 */
1237 if (muic_pdata->detcable_delay_ms)
1238 delay_jiffies =
1239 msecs_to_jiffies(muic_pdata->detcable_delay_ms);
1240 else
1241 delay_jiffies = msecs_to_jiffies(DELAY_MS_DEFAULT);
1242 } else {
1185 info->path_usb = CONTROL1_SW_USB; 1243 info->path_usb = CONTROL1_SW_USB;
1244 info->path_uart = CONTROL1_SW_UART;
1245 delay_jiffies = msecs_to_jiffies(DELAY_MS_DEFAULT);
1246 }
1186 1247
1187 /* Set initial path for UART */ 1248 /* Set initial path for UART */
1188 max77693_muic_set_path(info, info->path_uart, true); 1249 max77693_muic_set_path(info, info->path_uart, true);
@@ -1208,10 +1269,6 @@ static int max77693_muic_probe(struct platform_device *pdev)
1208 * driver should notify cable state to upper layer. 1269 * driver should notify cable state to upper layer.
1209 */ 1270 */
1210 INIT_DELAYED_WORK(&info->wq_detcable, max77693_muic_detect_cable_wq); 1271 INIT_DELAYED_WORK(&info->wq_detcable, max77693_muic_detect_cable_wq);
1211 if (muic_pdata->detcable_delay_ms)
1212 delay_jiffies = msecs_to_jiffies(muic_pdata->detcable_delay_ms);
1213 else
1214 delay_jiffies = msecs_to_jiffies(DELAY_MS_DEFAULT);
1215 schedule_delayed_work(&info->wq_detcable, delay_jiffies); 1272 schedule_delayed_work(&info->wq_detcable, delay_jiffies);
1216 1273
1217 return ret; 1274 return ret;