arm: mach-snapdragon: refactor clock driver
In preparation to add support for the Dragonboard820c (APQ8096),
refactor the current Snapdragon clock driver.
No new functionality has been added.
Signed-off-by: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org>
diff --git a/arch/arm/mach-snapdragon/clock-snapdragon.h b/arch/arm/mach-snapdragon/clock-snapdragon.h
new file mode 100644
index 0000000..d7026aa
--- /dev/null
+++ b/arch/arm/mach-snapdragon/clock-snapdragon.h
@@ -0,0 +1,40 @@
+/*
+ * Qualcomm APQ8016, APQ8096
+ *
+ * (C) Copyright 2017 Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+#ifndef _CLOCK_SNAPDRAGON_H
+#define _CLOCK_SNAPDRAGON_H
+
+#define CFG_CLK_SRC_CXO (0 << 8)
+#define CFG_CLK_SRC_GPLL0 (1 << 8)
+#define CFG_CLK_SRC_MASK (7 << 8)
+
+struct gpll0_ctrl {
+ uintptr_t status;
+ int status_bit;
+ uintptr_t ena_vote;
+ int vote_bit;
+};
+
+struct bcr_regs {
+ uintptr_t cfg_rcgr;
+ uintptr_t cmd_rcgr;
+ uintptr_t M;
+ uintptr_t N;
+ uintptr_t D;
+};
+
+struct msm_clk_priv {
+ phys_addr_t base;
+};
+
+void clk_enable_gpll0(phys_addr_t base, const struct gpll0_ctrl *pll0);
+void clk_bcr_update(phys_addr_t apps_cmd_rgcr);
+void clk_enable_cbc(phys_addr_t cbcr);
+void clk_rcg_set_rate_mnd(phys_addr_t base, const struct bcr_regs *regs,
+ int div, int m, int n, int source);
+
+#endif