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Subject[PATCH v2 5/5] ARM: dts: use real clocks for bcm21664
Date
Replace the "fake" fixed-rate clocks used previously for the
bcm21664 family with "real" ones.

Signed-off-by: Alex Elder <elder@linaro.org>
---
arch/arm/boot/dts/bcm21664.dtsi | 190 ++++++++++++++++++++++++---------------
1 file changed, 118 insertions(+), 72 deletions(-)

diff --git a/arch/arm/boot/dts/bcm21664.dtsi b/arch/arm/boot/dts/bcm21664.dtsi
index 08a44d4..8b36682 100644
--- a/arch/arm/boot/dts/bcm21664.dtsi
+++ b/arch/arm/boot/dts/bcm21664.dtsi
@@ -14,6 +14,8 @@
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/interrupt-controller/irq.h>

+#include "dt-bindings/clock/bcm21664.h"
+
#include "skeleton.dtsi"

/ {
@@ -43,7 +45,7 @@
compatible = "brcm,bcm21664-dw-apb-uart", "snps,dw-apb-uart";
status = "disabled";
reg = <0x3e000000 0x118>;
- clocks = <&uartb_clk>;
+ clocks = <&slave_ccu BCM21664_SLAVE_CCU_UARTB>;
interrupts = <GIC_SPI 67 IRQ_TYPE_LEVEL_HIGH>;
reg-shift = <2>;
reg-io-width = <4>;
@@ -53,7 +55,7 @@
compatible = "brcm,bcm21664-dw-apb-uart", "snps,dw-apb-uart";
status = "disabled";
reg = <0x3e001000 0x118>;
- clocks = <&uartb2_clk>;
+ clocks = <&slave_ccu BCM21664_SLAVE_CCU_UARTB2>;
interrupts = <GIC_SPI 66 IRQ_TYPE_LEVEL_HIGH>;
reg-shift = <2>;
reg-io-width = <4>;
@@ -63,7 +65,7 @@
compatible = "brcm,bcm21664-dw-apb-uart", "snps,dw-apb-uart";
status = "disabled";
reg = <0x3e002000 0x118>;
- clocks = <&uartb3_clk>;
+ clocks = <&slave_ccu BCM21664_SLAVE_CCU_UARTB3>;
interrupts = <GIC_SPI 65 IRQ_TYPE_LEVEL_HIGH>;
reg-shift = <2>;
reg-io-width = <4>;
@@ -85,7 +87,7 @@
compatible = "brcm,kona-timer";
reg = <0x35006000 0x1c>;
interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&hub_timer_clk>;
+ clocks = <&aon_ccu BCM21664_AON_CCU_HUB_TIMER>;
};

gpio: gpio@35003000 {
@@ -106,7 +108,7 @@
compatible = "brcm,kona-sdhci";
reg = <0x3f180000 0x801c>;
interrupts = <GIC_SPI 77 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&sdio1_clk>;
+ clocks = <&master_ccu BCM21664_MASTER_CCU_SDIO1>;
status = "disabled";
};

@@ -114,7 +116,7 @@
compatible = "brcm,kona-sdhci";
reg = <0x3f190000 0x801c>;
interrupts = <GIC_SPI 76 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&sdio2_clk>;
+ clocks = <&master_ccu BCM21664_MASTER_CCU_SDIO2>;
status = "disabled";
};

@@ -122,7 +124,7 @@
compatible = "brcm,kona-sdhci";
reg = <0x3f1a0000 0x801c>;
interrupts = <GIC_SPI 74 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&sdio3_clk>;
+ clocks = <&master_ccu BCM21664_MASTER_CCU_SDIO3>;
status = "disabled";
};

@@ -130,7 +132,7 @@
compatible = "brcm,kona-sdhci";
reg = <0x3f1b0000 0x801c>;
interrupts = <GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&sdio4_clk>;
+ clocks = <&master_ccu BCM21664_MASTER_CCU_SDIO4>;
status = "disabled";
};

@@ -140,7 +142,7 @@
interrupts = <GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH>;
#address-cells = <1>;
#size-cells = <0>;
- clocks = <&bsc1_clk>;
+ clocks = <&slave_ccu BCM21664_SLAVE_CCU_BSC1>;
status = "disabled";
};

@@ -150,7 +152,7 @@
interrupts = <GIC_SPI 102 IRQ_TYPE_LEVEL_HIGH>;
#address-cells = <1>;
#size-cells = <0>;
- clocks = <&bsc2_clk>;
+ clocks = <&slave_ccu BCM21664_SLAVE_CCU_BSC2>;
status = "disabled";
};

@@ -160,7 +162,7 @@
interrupts = <GIC_SPI 169 IRQ_TYPE_LEVEL_HIGH>;
#address-cells = <1>;
#size-cells = <0>;
- clocks = <&bsc3_clk>;
+ clocks = <&slave_ccu BCM21664_SLAVE_CCU_BSC3>;
status = "disabled";
};

@@ -170,105 +172,149 @@
interrupts = <GIC_SPI 170 IRQ_TYPE_LEVEL_HIGH>;
#address-cells = <1>;
#size-cells = <0>;
- clocks = <&bsc4_clk>;
+ clocks = <&slave_ccu BCM21664_SLAVE_CCU_BSC4>;
status = "disabled";
};

clocks {
- bsc1_clk: bsc1 {
- compatible = "fixed-clock";
- clock-frequency = <13000000>;
- #clock-cells = <0>;
- };
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;

- bsc2_clk: bsc2 {
- compatible = "fixed-clock";
- clock-frequency = <13000000>;
+ /*
+ * Fixed clocks are defined before CCUs whose
+ * clocks may depend on them.
+ */
+
+ ref_32k_clk: ref_32k {
#clock-cells = <0>;
+ compatible = "fixed-clock";
+ clock-frequency = <32768>;
};

- bsc3_clk: bsc3 {
- compatible = "fixed-clock";
- clock-frequency = <13000000>;
+ bbl_32k_clk: bbl_32k {
#clock-cells = <0>;
+ compatible = "fixed-clock";
+ clock-frequency = <32768>;
};

- bsc4_clk: bsc4 {
+ ref_13m_clk: ref_13m {
+ #clock-cells = <0>;
compatible = "fixed-clock";
clock-frequency = <13000000>;
- #clock-cells = <0>;
};

- pmu_bsc_clk: pmu_bsc {
+ var_13m_clk: var_13m {
+ #clock-cells = <0>;
compatible = "fixed-clock";
clock-frequency = <13000000>;
- #clock-cells = <0>;
};

- hub_timer_clk: hub_timer {
- compatible = "fixed-clock";
- clock-frequency = <32768>;
+ dft_19_5m_clk: dft_19_5m {
#clock-cells = <0>;
+ compatible = "fixed-clock";
+ clock-frequency = <19500000>;
};

- pwm_clk: pwm {
+ ref_crystal_clk: ref_crystal {
+ #clock-cells = <0>;
compatible = "fixed-clock";
clock-frequency = <26000000>;
- #clock-cells = <0>;
};

- sdio1_clk: sdio1 {
- compatible = "fixed-clock";
- clock-frequency = <48000000>;
+ ref_52m_clk: ref_52m {
#clock-cells = <0>;
- };
-
- sdio2_clk: sdio2 {
compatible = "fixed-clock";
- clock-frequency = <48000000>;
- #clock-cells = <0>;
+ clock-frequency = <52000000>;
};

- sdio3_clk: sdio3 {
- compatible = "fixed-clock";
- clock-frequency = <48000000>;
+ var_52m_clk: var_52m {
#clock-cells = <0>;
- };
-
- sdio4_clk: sdio4 {
- compatible = "fixed-clock";
- clock-frequency = <48000000>;
- #clock-cells = <0>;
- };
-
- tmon_1m_clk: tmon_1m {
compatible = "fixed-clock";
- clock-frequency = <1000000>;
- #clock-cells = <0>;
- };
-
- uartb_clk: uartb {
- compatible = "fixed-clock";
- clock-frequency = <13000000>;
- #clock-cells = <0>;
- };
-
- uartb2_clk: uartb2 {
- compatible = "fixed-clock";
- clock-frequency = <13000000>;
- #clock-cells = <0>;
- };
-
- uartb3_clk: uartb3 {
- compatible = "fixed-clock";
- clock-frequency = <13000000>;
- #clock-cells = <0>;
+ clock-frequency = <52000000>;
};

usb_otg_ahb_clk: usb_otg_ahb {
+ #clock-cells = <0>;
compatible = "fixed-clock";
clock-frequency = <52000000>;
+ };
+
+ ref_96m_clk: ref_96m {
#clock-cells = <0>;
+ compatible = "fixed-clock";
+ clock-frequency = <96000000>;
+ };
+
+ var_96m_clk: var_96m {
+ #clock-cells = <0>;
+ compatible = "fixed-clock";
+ clock-frequency = <96000000>;
+ };
+
+ ref_104m_clk: ref_104m {
+ #clock-cells = <0>;
+ compatible = "fixed-clock";
+ clock-frequency = <104000000>;
+ };
+
+ var_104m_clk: var_104m {
+ #clock-cells = <0>;
+ compatible = "fixed-clock";
+ clock-frequency = <104000000>;
+ };
+
+ ref_156m_clk: ref_156m {
+ #clock-cells = <0>;
+ compatible = "fixed-clock";
+ clock-frequency = <156000000>;
+ };
+
+ var_156m_clk: var_156m {
+ #clock-cells = <0>;
+ compatible = "fixed-clock";
+ clock-frequency = <156000000>;
+ };
+
+ root_ccu: root_ccu {
+ compatible = BCM21664_DT_ROOT_CCU_COMPAT;
+ reg = <0x35001000 0x0f00>;
+ #clock-cells = <1>;
+ clock-output-names = "frac_1m";
+ };
+
+ aon_ccu: aon_ccu {
+ compatible = BCM21664_DT_AON_CCU_COMPAT;
+ reg = <0x35002000 0x0f00>;
+ #clock-cells = <1>;
+ clock-output-names = "hub_timer";
+ };
+
+ master_ccu: master_ccu {
+ compatible = BCM21664_DT_MASTER_CCU_COMPAT;
+ reg = <0x3f001000 0x0f00>;
+ #clock-cells = <1>;
+ clock-output-names = "sdio1",
+ "sdio2",
+ "sdio3",
+ "sdio4",
+ "sdio1_sleep",
+ "sdio2_sleep",
+ "sdio3_sleep",
+ "sdio4_sleep";
+ };
+
+ slave_ccu: slave_ccu {
+ compatible = BCM21664_DT_SLAVE_CCU_COMPAT;
+ reg = <0x3e011000 0x0f00>;
+ #clock-cells = <1>;
+ clock-output-names = "uartb",
+ "uartb2",
+ "uartb3",
+ "bsc1",
+ "bsc2",
+ "bsc3",
+ "bsc4";
};
};

--
1.7.9.5


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