soc: qcom: Driver for the Qualcomm RPM over SMD

Driver for the Resource Power Manager (RPM) found in Qualcomm 8974 based
devices.
The driver exposes resources that child drivers can operate on; to
implementing regulator, clock and bus frequency drivers.

Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Andy Gross <agross@codeaurora.org>

1 files changed, 35 insertions, 0 deletions

diff --git a/include/linux/soc/qcom/smd-rpm.h b/include/linux/soc/qcom/smd-rpm.h
new file mode 100644
index 000000000000..2a53dcaeeeed
--- /dev/null
+++ b/include/linux/soc/qcom/smd-rpm.h
@@ -0,0 +1,35 @@
+#ifndef __QCOM_SMD_RPM_H__
+#define __QCOM_SMD_RPM_H__
+
+struct qcom_smd_rpm;
+
+#define QCOM_SMD_RPM_ACTIVE_STATE        0
+#define QCOM_SMD_RPM_SLEEP_STATE         1
+
+/*
+ * Constants used for addressing resources in the RPM.
+ */
+#define QCOM_SMD_RPM_BOOST      0x61747362
+#define QCOM_SMD_RPM_BUS_CLK    0x316b6c63
+#define QCOM_SMD_RPM_BUS_MASTER 0x73616d62
+#define QCOM_SMD_RPM_BUS_SLAVE  0x766c7362
+#define QCOM_SMD_RPM_CLK_BUF_A  0x616B6C63
+#define QCOM_SMD_RPM_LDOA       0x616f646c
+#define QCOM_SMD_RPM_LDOB       0x626F646C
+#define QCOM_SMD_RPM_MEM_CLK    0x326b6c63
+#define QCOM_SMD_RPM_MISC_CLK   0x306b6c63
+#define QCOM_SMD_RPM_NCPA       0x6170636E
+#define QCOM_SMD_RPM_NCPB       0x6270636E
+#define QCOM_SMD_RPM_OCMEM_PWR  0x706d636f
+#define QCOM_SMD_RPM_QPIC_CLK   0x63697071
+#define QCOM_SMD_RPM_SMPA       0x61706d73
+#define QCOM_SMD_RPM_SMPB       0x62706d73
+#define QCOM_SMD_RPM_SPDM       0x63707362
+#define QCOM_SMD_RPM_VSA        0x00617376
+
+int qcom_rpm_smd_write(struct qcom_smd_rpm *rpm,
+                       int state,
+                       u32 resource_type, u32 resource_id,
+                       void *buf, size_t count);
+
+#endif