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authorChanho Park <chanho61.park@samsung.com>2022-05-04 10:51:47 +0300
committerSylwester Nawrocki <s.nawrocki@samsung.com>2022-05-10 20:19:34 +0300
commitceb4c8b3c6b9f461d88ddc8c4d9bf19efaebe824 (patch)
tree4cfa1a8f6e3fa7b14df045f77cc1cfe40ccba53b /drivers/clk/samsung
parent17f7dc48aabd90a3327495dfc24c3476c43f12cb (diff)
downloadlinux-ceb4c8b3c6b9f461d88ddc8c4d9bf19efaebe824.tar.xz
clk: samsung: exynosautov9: add cmu_peris clock support
CMU_PERIS is responsible to control clocks of BLK_PERIS which has OPT/MCT/WDT and TMU. This patch only supports WDT gate clocks and all other clocks except WDT will be supported later. Signed-off-by: Chanho Park <chanho61.park@samsung.com> Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Acked-by: Chanwoo Choi <cw00.choi@samsung.com> Link: https://lore.kernel.org/r/20220504075154.58819-6-chanho61.park@samsung.com
Diffstat (limited to 'drivers/clk/samsung')
-rw-r--r--drivers/clk/samsung/clk-exynosautov9.c51
1 files changed, 51 insertions, 0 deletions
diff --git a/drivers/clk/samsung/clk-exynosautov9.c b/drivers/clk/samsung/clk-exynosautov9.c
index 984ecba83e42..b3ea586c0d21 100644
--- a/drivers/clk/samsung/clk-exynosautov9.c
+++ b/drivers/clk/samsung/clk-exynosautov9.c
@@ -1015,6 +1015,53 @@ static const struct samsung_cmu_info core_cmu_info __initconst = {
.clk_name = "dout_clkcmu_core_bus",
};
+/* ---- CMU_PERIS ---------------------------------------------------------- */
+
+/* Register Offset definitions for CMU_PERIS (0x10020000) */
+#define PLL_CON0_MUX_CLKCMU_PERIS_BUS_USER 0x0600
+#define CLK_CON_GAT_GOUT_BLK_PERIS_UID_SYSREG_PERIS_IPCLKPORT_PCLK 0x2058
+#define CLK_CON_GAT_GOUT_BLK_PERIS_UID_WDT_CLUSTER0_IPCLKPORT_PCLK 0x205c
+#define CLK_CON_GAT_GOUT_BLK_PERIS_UID_WDT_CLUSTER1_IPCLKPORT_PCLK 0x2060
+
+static const unsigned long peris_clk_regs[] __initconst = {
+ PLL_CON0_MUX_CLKCMU_PERIS_BUS_USER,
+ CLK_CON_GAT_GOUT_BLK_PERIS_UID_SYSREG_PERIS_IPCLKPORT_PCLK,
+ CLK_CON_GAT_GOUT_BLK_PERIS_UID_WDT_CLUSTER0_IPCLKPORT_PCLK,
+ CLK_CON_GAT_GOUT_BLK_PERIS_UID_WDT_CLUSTER1_IPCLKPORT_PCLK,
+};
+
+/* List of parent clocks for Muxes in CMU_PERIS */
+PNAME(mout_peris_bus_user_p) = { "oscclk", "dout_clkcmu_peris_bus" };
+
+static const struct samsung_mux_clock peris_mux_clks[] __initconst = {
+ MUX(CLK_MOUT_PERIS_BUS_USER, "mout_peris_bus_user",
+ mout_peris_bus_user_p, PLL_CON0_MUX_CLKCMU_PERIS_BUS_USER, 4, 1),
+};
+
+static const struct samsung_gate_clock peris_gate_clks[] __initconst = {
+ GATE(CLK_GOUT_SYSREG_PERIS_PCLK, "gout_sysreg_peris_pclk",
+ "mout_peris_bus_user",
+ CLK_CON_GAT_GOUT_BLK_PERIS_UID_SYSREG_PERIS_IPCLKPORT_PCLK,
+ 21, CLK_IGNORE_UNUSED, 0),
+ GATE(CLK_GOUT_WDT_CLUSTER0, "gout_wdt_cluster0", "mout_peris_bus_user",
+ CLK_CON_GAT_GOUT_BLK_PERIS_UID_WDT_CLUSTER0_IPCLKPORT_PCLK,
+ 21, 0, 0),
+ GATE(CLK_GOUT_WDT_CLUSTER1, "gout_wdt_cluster1", "mout_peris_bus_user",
+ CLK_CON_GAT_GOUT_BLK_PERIS_UID_WDT_CLUSTER1_IPCLKPORT_PCLK,
+ 21, 0, 0),
+};
+
+static const struct samsung_cmu_info peris_cmu_info __initconst = {
+ .mux_clks = peris_mux_clks,
+ .nr_mux_clks = ARRAY_SIZE(peris_mux_clks),
+ .gate_clks = peris_gate_clks,
+ .nr_gate_clks = ARRAY_SIZE(peris_gate_clks),
+ .nr_clk_ids = PERIS_NR_CLK,
+ .clk_regs = peris_clk_regs,
+ .nr_clk_regs = ARRAY_SIZE(peris_clk_regs),
+ .clk_name = "dout_clkcmu_peris_bus",
+};
+
static int __init exynosautov9_cmu_probe(struct platform_device *pdev)
{
const struct samsung_cmu_info *info;
@@ -1031,6 +1078,10 @@ static const struct of_device_id exynosautov9_cmu_of_match[] = {
.compatible = "samsung,exynosautov9-cmu-core",
.data = &core_cmu_info,
}, {
+ }, {
+ .compatible = "samsung,exynosautov9-cmu-peris",
+ .data = &peris_cmu_info,
+ }, {
},
};