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authorTom Rini <trini@konsulko.com>2020-01-06 17:07:49 -0500
committerTom Rini <trini@konsulko.com>2020-01-06 17:07:49 -0500
commit5a8fa095cb848c60c630a83edf30d4fc46101e90 (patch)
tree66652768520899ddea6a24a608c1be4ed6ecfcde /drivers/i2c/designware_i2c.h
parent0b0c6af38738f2c132cfd41a240889acaa031c8f (diff)
parent8fbbec12f7d2c18f8883f3371cfca74a98b5dd87 (diff)
Merge branch 'next'
Bring in the following merges: commit 8fbbec12f7d2c18f8883f3371cfca74a98b5dd87 Merge: 87f69f467a83 63618e71e89b Author: Tom Rini <trini@konsulko.com> Date: Fri Jan 3 09:48:47 2020 -0500 Merge https://gitlab.denx.de/u-boot/custodians/u-boot-fsl-qoriq into next - updates and fixes on ls1028a, lx2, ls1046a, MC-DPSPARSER support commit 87f69f467a8335b171c71bf217d2625d515acd7c Merge: c0912f9bbfb2 4466b9970319 Author: Tom Rini <trini@konsulko.com> Date: Tue Dec 24 08:18:19 2019 -0500 Merge https://gitlab.denx.de/u-boot/custodians/u-boot-mpc85xx into next - Enable DM driver on ppc/km boards - Enable DM_USB for some of NXP powerpc platforms: P5040, T4240, T208x, T104x, P4080, P2041, P2020, P1020, P3041 - Some updates in mpc85xx-ddr driver, km boards commit c0912f9bbfb26dd03d189953678691b799d35b6e Merge: 533c9f5714bd a1d6dc3f8407 Author: Tom Rini <trini@konsulko.com> Date: Wed Dec 18 07:20:19 2019 -0500 Merge branch 'next' of https://gitlab.denx.de/u-boot/custodians/u-boot-x86 into next - Various x86 common codes updated for TPL/SPL - I2C designware driver updated for PCI - ICH SPI driver updated to support Apollo Lake - Add Intel FSP2 base support - Intel Apollo Lake platform specific drivers support - Add a new board Google Chromebook Coral commit 533c9f5714bdba79dc6f2629284d4c1a08a611d1 Merge: 553cb0688782 033e18b47bd0 Author: Tom Rini <trini@konsulko.com> Date: Tue Dec 17 07:53:08 2019 -0500 Merge tag '20191217-for-next' of https://gitlab.denx.de/u-boot/custodians/u-boot-i2c into next i2c: for next - misc: i2c_eeprom: Add partition support and add ability to query size of eeprom device and partitions - i2c common: add support for offset overflow in to address and add sandbox tests for it. commit 553cb06887825314e74a9bdac337467c77d1db88 Merge: f39abbbc531e b4f98b3b16ec Author: Tom Rini <trini@konsulko.com> Date: Thu Dec 12 08:18:59 2019 -0500 Merge tag 'dm-next-13dec19' of https://gitlab.denx.de/u-boot/custodians/u-boot-dm into next buildman improvements including toolchain environment feature sandbox unicode support in serial
Diffstat (limited to 'drivers/i2c/designware_i2c.h')
-rw-r--r--drivers/i2c/designware_i2c.h35
1 files changed, 35 insertions, 0 deletions
diff --git a/drivers/i2c/designware_i2c.h b/drivers/i2c/designware_i2c.h
index 20ff20d9b83..48766d08067 100644
--- a/drivers/i2c/designware_i2c.h
+++ b/drivers/i2c/designware_i2c.h
@@ -7,6 +7,8 @@
#ifndef __DW_I2C_H_
#define __DW_I2C_H_
+#include <reset.h>
+
struct i2c_regs {
u32 ic_con; /* 0x00 */
u32 ic_tar; /* 0x04 */
@@ -131,4 +133,37 @@ struct i2c_regs {
#define I2C_FAST_SPEED 400000
#define I2C_STANDARD_SPEED 100000
+/**
+ * struct dw_scl_sda_cfg - I2C timing configuration
+ *
+ * @has_max_speed: Support maximum speed (1Mbps)
+ * @ss_hcnt: Standard speed high time in ns
+ * @fs_hcnt: Fast speed high time in ns
+ * @ss_lcnt: Standard speed low time in ns
+ * @fs_lcnt: Fast speed low time in ns
+ * @sda_hold: SDA hold time
+ */
+struct dw_scl_sda_cfg {
+ bool has_max_speed;
+ u32 ss_hcnt;
+ u32 fs_hcnt;
+ u32 ss_lcnt;
+ u32 fs_lcnt;
+ u32 sda_hold;
+};
+
+struct dw_i2c {
+ struct i2c_regs *regs;
+ struct dw_scl_sda_cfg *scl_sda_cfg;
+ struct reset_ctl_bulk resets;
+#if CONFIG_IS_ENABLED(CLK)
+ struct clk clk;
+#endif
+};
+
+extern const struct dm_i2c_ops designware_i2c_ops;
+
+int designware_i2c_probe(struct udevice *bus);
+int designware_i2c_remove(struct udevice *dev);
+
#endif /* __DW_I2C_H_ */